Ofertas de empleo para Kotlin

• Nivel de experiencia---
• Tipo de contratoTemporal
• PublicadaNueva

. Javascript Java Python Cloud Coumputing Kotlin Swift

Somos una compañía global, líder en el desarrollo de infraestructuras regenerativas que generan un impacto positivo en la sociedad. Nuestra plantilla, formada por más de 65.000 profesionales y presente en más de 40 países de los cinco continentes, contribuye a nuestra misión de diseñar un planeta mejor. Buscamos personas que quieran marcar la diferencia, promover el desarrollo sostenible y encontrar soluciones a los mayores desafíos globales, incluidos el cambio climático, la sobrepoblación y la escasez hídrica. Únete a nosotros en la búsqueda de soluciones para lograr un futuro sostenible.

En el Programa de Becas de ACCIONA formarás parte de equipos que te involucrarán en proyectos desde el primer día, acompañado por expertos que te ayudarán a desarrollar tus capacidades y participar en el día a día de una empresa global.

Descripción del puesto

• Desarrollo de pruebas de concepto: Experimentar con tecnologías Cloud y Mobile para validar nuevas soluciones.
• Pruebas de aplicaciones: Identificar problemas en las Apps y en los sistemas que le dan soporte.
• Diagnóstico de problemas encontrados: Trabajar codo con codo con los equipos de desarrollo, para encontrar la mejor solución a los problemas identificados.
• Análisis de rendimiento: Diseñar, ejecutar y evaluar pruebas de carga de sistema para las Apps del departamento.
  
  

• Estudiante de grado o máster en Ingeniería Informática, Telecomunicaciones , Matemáticas o similar.
• Conocimientos de programación en Java, Javascript, Kotlin, Swift o Python.
• Conocimientos de bases de datos.
• Ganas de aprender.
• Capacidad de trabajo en equipo y con autonomía
  
  

• Nivel de experiencia---
• Tipo de contratoA tiempo completo
• Publicada2 mar.

Teletrabajo Agile Kotlin Android QA

Senior Android Engineer

Fully Remote Work Model (Based in Spain)

We´re seeking an experienced Senior Android Engineer to focus on developing and optimizing our Android applications, using strong expertise in modern mobile technologies. You´ll be involved throughout the entire mobile app lifecycle, shaping features, designing the software, and refining the user experience.

Profile & Experience

• 5+ years of Android development experience, ideally in product-driven or high-scale environments.
• Strong problem-solving skills and the ability to turn complex challenges into actionable steps.
• Focus on scalability, maintainability, and long-term platform health.
• Experience working in Agile teams with planning, estimation, and iterative delivery

Key Responsibilities

• Build and maintain reliable, high-performing Android apps.
• Write clean, efficient and testable Kotlin code.
• Work closely with engineering, product, design, and QA teams.
• Translate product requirements into solid technical solutions.
• Refactor and modernize legacy code and support the transition toward a modular application architecture.

Must-Have Skills

• Strong expertise in Kotlin, MVVM, MVI, Clean Architecture, and modular app architecture.
• Experienced with Coroutines, Jetpack Compose, Room, and dependency injection (Hilt/Dagger).
• Solid experience integrating RESTful APIs, data processing, and error management.
• Able to analyze and improve app performance, memory usage, stability, and responsiveness.
• Proven ability to deliver polished, intuitive, user-focused mobile interfaces.
• Excellent communication skills in English.

Nice-to-Have Skills

• Familiarity with CI/CD, automated testing, and mobile release processes.
• Understanding of mobile analytics and A/B testing.
• Experience using AI-assisted development tools like Cursor or Copilot.
• Experience working in Agile teams with planning, estimation, and iterative delivery

What do we offer?

• Fully remote work model within Spain
• Long term opportunity to grow in one of the most successful technology consultancy companies all over the world.
• Trainings to develop your role correctly.
• Social benefits like health insurance and meal card.

The Cognizant community:
We are a high caliber team who appreciate and support one another. Our people uphold an energetic, collaborative and inclusive workplace where everyone can thrive.
- Cognizant is a global community with more than 300,000 associates around the world.
- We don´t just dream of a better way - we make it happen.
- We take care of our people, clients, company, communities and climate by doing what´s right.
- We foster an innovative environment where you can build the career path that´s right for you.

About us:
Cognizant is one of the world´s leading professional services companies, transforming clients´ business, operating, and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build, and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant (a member of the NASDAQ-100 and one of Forbes World´s Best Employers 2025) is consistently listed among the most admired companies in the world.

Cognizant is an equal opportunity employer.

Disclaimer:
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

• Nivel de experiencia---
• Tipo de contratoPor días
• Publicada1 mar.

Teletrabajo Ventas Inglés Marketing Español Marketing digital Photoshop Publicidad Integración de equipos Administración de marketing Comunicaciones empresariales Investigación de mercado Planificación Planificación de mercado Kotlin UX/UI Flutter

Estamos construyendo un nuevo concepto que convierte lugares en experiencias vivas. Arrancamos en Valladolid con un piloto físico que servirá como base para escalar el modelo.

❌ No buscamos un empleado.

✅ Buscamos 3 figuras clave que quieran construir esto con nosotros.

🚀 SI ERES EL RESPONSABLE DE MARKETING

¿Te apetece construir una cartera de LEADs y salir a la caza de clientes B2B?

Qué harás

• Diseñar la estrategia de posicionamiento desde cero
• Análisis de verticales y generación de LEADs B2B
• Liderar estudios de mercado reales (campo + datos)
• Definir propuesta de valor, pricing y segmentación
• Validar hipótesis con mentalidad lean
• Construir el departamento de marketing a futuro

Serás responsable de que el proyecto tenga mercado, tracción y narrativa.

Perfil que buscamos

• Mentalidad emprendedora real (no corporativa)
• Experiencia en marketing estratégico y research
• Capacidad analítica + ejecución
• Obsesión por entender al cliente
• Ganas de vivir el proceso desde cero
• Residencia en Valladolid (imprescindible)

Valoramos experiencia en startups, validación de modelos o lanzamientos desde cero.

Qué ofrecemos

• Liderar la estrategia desde el día 1, tras un periodo de prueba de 2–3 semanas, con decisiones reales y resultados visibles.
• Tras la validación, la oportunidad de convertirte en CMO (Chief Marketin Officer) y obtener equity real en el proyecto.
• Construir algo desde el inicio, con capacidad de definir dirección y prioridades.
• Experiencia en decisiones estratégicas con potencial de escalabilidad nacional.

🎨 SI ERES EL RESPONSABLE DE DISEÑO

¿Te ves capaz de alcanzar un nivel de diseño comparable a este portafolio de referencia UX/UI?https://dribbble.com/uixninja

Qué harás

• Diseñar la experiencia de usuario de nuestra app desde cero, enfocada en engagement y retención.
• Definir la arquitectura de información y los flujos de interacción de la app.
• Crear prototipos, wireframes y mockups que validen hipótesis de producto.
• Colaborar con marketing y tecnología para asegurar una experiencia consistente en todos los canales.
• Construir la base del departamento de diseño, con capacidad de influir en branding, diseño físico y visual del proyecto a medida que crece.

Serás responsable de que la experiencia de usuario sea intuitiva, atractiva y escalable, y que el producto digital tenga coherencia desde el primer día.

Perfil que buscamos

• Mentalidad emprendedora real (no corporativa).
• Experiencia demostrable en diseño UX/UI de apps (esto será tu cometido principal).
• Capacidad de transformar insights en flujos de usuario y pantallas funcionales.
• Obsesión por la experiencia del cliente y detalle visual.
• Ganas de vivir el proceso desde cero.
• Residencia en Valladolid (imprescindible).

Qué ofrecemos

• Participar como líder de la estrategia de diseño desde el día 1 durante un periodo de prueba de 2–3 semanas, tomando decisiones reales y viendo tus ideas ejecutadas.
• Tras la validación, la oportunidad de asumir el rol de CDO (Chief Design Officer) y obtener equity real en el proyecto.
• Construir algo desde el inicio, definiendo la dirección de diseño y experiencia del usuario, tanto digital como visual/físico.
• Experiencia en decisiones estratégicas con potencial de escalabilidad nacional.

💻 SI ERES EL RESPONSABLE DE SOFTWARE

¿Te apetece construir la app y el dashboard web usando Flutter (u otra tecnología moderna) y experimentar con enfoques de vibe coding para maximizar productividad?

Qué harás

• Desarrollar la app principal usando Flutter, con Supabase como backend. Alternativamente, podrías usar Kotlin Multiplatform u otras soluciones modernas (Convex, etc.).
• Implementar un dashboard web de control de usuarios para gestión y métricas.
• Explorar y aprovechar tecnologías de vibe coding / antigravity para maximizar productividad y escalabilidad.
• Colaborar con marketing y diseño para asegurar coherencia entre producto, UX/UI y datos.
• Construir la base del departamento de tecnología, estableciendo arquitectura, buenas prácticas y escalabilidad futura.

Serás responsable de que la app y el dashboard sean robustos, escalables y alineados con la visión del proyecto desde el primer día.

Perfil que buscamos

• Mentalidad emprendedora real (no corporativa).
• Experiencia demostrable en Flutter / desarrollo móvil / web.
• Conocimiento opcional en Supabase, Convex u otras soluciones back modernas.
• Capacidad de construir arquitectura escalable y dashboards de control de usuarios.
• Ganas de vivir el proceso desde cero y asumir responsabilidad estratégica.
• Residencia en Valladolid (imprescindible).

Qué ofrecemos

• Participar como líder de la estrategia tecnológica desde el día 1 durante un periodo de prueba de 2–3 semanas, tomando decisiones reales y viendo tus ideas ejecutadas.
• Tras la validación, la oportunidad de asumir el rol de CTO (Chief Technology Officer) y obtener equity real en el proyecto..
• Construir algo desde el inicio, definiendo arquitectura, tecnología y procesos.
• Experiencia en decisiones estratégicas con potencial de escalabilidad nacional.

Si quieres un salario fijo cómodo, este no es tu sitio.

Si quieres liderar y dejar tu huella desde el primer día, ¡queremos hablar contigo!

• Nivel de experiencia---
• Tipo de contratoTemporal
• Publicada28 feb.

. Java Python Kotlin Android iOS Swift LESS Office

Are you looking to turbo charge your career? Say no more!

We’re Glovo, one of the fastest-growing multi-category apps out there. A performance-driven, bold and restless tech company.

We’re redefining what’s possible, pushing boundaries and aiming for nothing less than excellence and innovation. To make this happen, we're putting together a talent house of high-performing teams and building the largest marketplace in your city, giving you access to anything in minutes!

Together we revolutionize the way people connect with their everyday needs, from delivering essentials to connecting our ecosystem of users through innovative solutions powered by technology. For us, every day is filled with purpose.

What makes our ride unique?

🤝 Our strong culture and non-vanilla personality.

💪 A Talent House.

🤝 Our commitment to being a force for good.

We have a vision: To give everyone easy access to anything in their cities.

And this is where your ride starts…

YOUR MISSION

Join our Tech Accelerator Programme! As a Software Engineer intern in Barcelona, you'll be embedded in a cross-functional team, working alongside experienced Backend, Web, Mobile developers, and Product stakeholders. This 6-month internship programme offers an unparalleled opportunity to work with a modern tech stack tailored to your focus area: Java and Kotlin for Backend, Kotlin with Jetpack Compose for Android, or Swift with SwiftUI for iOS. You will contribute directly to customer-centric projects, and successful interns will have the chance to transition into full-time Junior Engineer roles in their respective fields.

THE JOURNEY

> Cohort Kick-off: Join a shared learning journey with peers as the programme kicks off on April 20th 2026, with a second intake in October, building skills, community, and momentum together across the 6 months.

> Curated Learning Programme: Each month focus your learning on a key topic focused on building your soft and technical skills

> Design Pattern Mastery: Seek to continuously learn design patterns and gain insights from the team's overall system design.

> Documentation Review: Be keen to identify and rectify issues in the current documentation to ensure accurate and up-to-date resources.

> Code Quality: Deliver tested code that adheres to Team guidelines and best practices.

> Debugging Proficiency: Show enthusiasm for learning various debugging tools and processes common to our tech stack.

> Security Awareness: Use security standards to understand the team's systems compliance and apply them in your daily work to ensure a secure development environment.

> Task Understanding: Always seek to understand the 'why' behind all the tasks at hand to contribute effectively to the project.

> 360°Feedback Seeker: Actively reach out and provide quantitative, qualitative, and constructive feedback to improve your skills and performance.

> Team Support: Actively reach out for or provide support to the team and mentor when required, fostering a collaborative and supportive work environment.

> Issue Reporting: Actively raise any issues you encounter to colleagues and/or managers, contributing to the overall project's success and improvement.

What You Will Bring To The Ride

• Your eagerness and gas to start a ride in the industry and embrace the challenges!
• Effective Communication (English)
• Currently pursuing or a recent graduate of a STEM (Science, Technology, Engineering, and Math) degree
• Strong Computer Science knowledge
• Knowledge of Java, Kotlin, Swift, Python or other programming languages. For Mobile applicants: Initial knowledge of mobile technologies (Android/iOS), and especially having developed your own applications (even personal projects), is a strong plus.
• Problem-Solving Acumen and proactive approach to innovation
• Willingness to learn and adapt to various roles
• Cross-Cultural Awareness - appreciation of diverse perspectives
• You are available and interested to work tree days at the office in Barcelona
• You are available for joining full-time preferably or at least 4h part time during the 6 months internship
  
  

• 💪 Top-notch learning experience that will fuel your career and enhance your professional and personal growth
• 🍔 Monthly Glovo credit to satisfy your cravings with zero delivery fees on all Glovo orders!
• 🏊 Discounted gym memberships to keep you energized.
• 🧠 Inspiring learning opportunities! You will have access to all our learning portals and be supported by our incredible mentors group.
• 💛 Online therapy and wellbeing benefits to ensure your mental well-being.
  
  

• Flexibilidad horariaSí
• Nivel de experiencia---
• Tipo de contratoA tiempo completo
• Publicada28 feb.

Teletrabajo API Java Agile Kotlin Microservices Swift jUnit Spring

GFT is a digital transformation pioneer that develops sustainable solutions based on new technologies including artificial intelligence and blockchain/DLT. GFT experts create and implement scalable software applications that make access to innovative business models safe and easy.

Are you driven by innovation and ready to create the future of banking? At GFT, we´re teaming up with DKB group to launch a tech hub in Valencia, focused on developing sustainable, next-generation software. Be part of a pioneering team that will reshape the banking industry. If you´re looking for an exciting challenge and the chance to grow your career, we want to hear from you!

Your main responsibilities will be:

- Drive the development and delivery of Services, prioritizing quality code, feature scope, and timely delivery.
- Write efficient, maintainable code that balances quality with speed to market.
- Proactively provide pragmatic technical solutions that align with business objectives and delivery timelines.
- Facilitate knowledge sharing by providing clear and actionable feedback during code reviews.
- Ensure software quality through testing and best practices.
- Collaborate closely within a cross-functional team and stakeholders to ensure alignment and swift execution of tasks.
- Stay current with industry trends and emerging technologies to supplement our perpetual quest for betterment.
- Support ongoing maintenance and enhancement efforts to ensure stable and efficient operation of software systems.

Required Skills:

- Strong proficiency in Java or Kotlin
- Solid experience with Spring and Spring Boot for building scalable, maintainable applications.
- Hands-on experience in developing RESTful web services and API specifications, e.g. using Swagger.
- Familiarity with Microservices architecture and related patterns.
- Experience with relational databases (e.g., Postgres) and migration tools like Flyway or Liquibase.
- Strong understanding of automated testing frameworks (e.g., JUnit, Mockito, Selenide) and performance testing tools (Gatling).

Preferred Skills:

- Bachelor´s Degree in Computer Science, Engineering, or related field.
- Expertise in Java (Spring, Spring Boot) and microservices architecture.
- Strong understanding of Agile methodologies and an interest in the banking and asset management industry.
- Fluent in English (B2 level or higher).

Soft skills:

- Fluent communication skills.
- Team player: ability to work with teams distributed geographically in different locations.
- Solid analytical and problem-solving skills/investigating skills on technical matters.
- Well organised.
- Good time management and prioritization of tasks
- Ability to identify problems and suggest mitigating and contingency actions.
- Proactive, motivated and willing to learn and develop oneself.

What we offer:

- Work-Life Balance and Flexibility: Option to work in a hybrid setup, flexible schedules, and compressed Fridays.
- Training and Development: Personalized plan and training programs.
- Social Benefits: Meal vouchers, life insurance, telecommuting support.
- Flexible Compensation: Adapted to your needs(health insurance, childcare, training, among others).
- Relocation Package (if applicable): Financial support, guidance, visa sponsorship.
- Referral Program.
- Wellness Program: Nutrition, Physical, Mental. Discounts with Gympass.
- Life at GFT: Smart offices, events, values awards, inspiring talks.
- International Corporate Culture.

At GFT we consider diversity as one of our main pillars and we foster an inclusive work environment based on cooperation and mutual respect. We offer equal opportunities for everyone regardless of race, cultural background, gender, age, sexual orientation, gender identity, disability or religious beliefs. GFT has drafted and registered an Equality Plan that outlines the measures to be taken with the aim of achieving equal treatment and opportunities between women and men within the company, and eliminating, if present, discrimination based on gender.

Join our Global Team!

Als Partner für IT-Beratung und Software-Entwicklung sind wir auf die digitale Transformation unserer Kunden aus den Bereichen Finanzen, Versicherungen und Industrie spezialisiert. Unsere rund 700 Talente in Deutschland entwickeln mit modernsten Technologien nachhaltige Lösungen.

Qué ofrecemos
- Conciliación y Flexibilidad: Posibilidad de trabajar desde casa híbrido/remoto, jornadas flexibles y viernes intensivos.
- Formación y Desarrollo: Plan personalizado, programas formativos.
- Beneficios Sociales: Cheques comida, seguro vida, apoyo teletrabajo.
- Retribución Flexible: Ajustada a tus necesidades (seguro médico, guardería, formación, otros).
- Paquete de Reubicación (si aplica): Apoyo económico, asesoramiento, patrocinio visas.
- Programa de Recomendaciones.
- Programa de Bienestar: Nutrición, Física, Mental. Descuentos con Wellhub. Servicio de apoyo psicológico gratuito.
- Vida en GFT: Oficinas inteligentes, eventos, premios de valores, charlas inspiradoras.
- Cultura corporativa internacional.

¿Quieres estar al tanto de nuestras oportunidades profesionales?

• Nivel de experiencia---
• Tipo de contratoA tiempo completo
• Publicada27 feb.

Teletrabajo Java Azure Scrum Kotlin Git Bash DevOps jUnit Spring Microservices Kanban

Desde Grupo NS, precisamos incorporar desarrolladores Java con experiencia en microservicios.

Skills

Experiencia: Éxito demostrado como ingeniero de software.

Dominio técnico:

Habilidades Spring Boot, Java, Kotlin.

Experiencia en pipelines

Conocimientos complementarios: Git, Bash.

Habilidades metódicas: Competencia en prácticas de Scrum, Kanban y DevOps.

Experiencia en CI/CD: Conocimiento de herramientas, configuración y funcionamiento de pipelines.

Competencia en la nube: experiencia práctica con Azure.

Prácticas de pruebas: familiaridad con JUnit y SpringContracts.

Habilidades lingüísticas: dominio del inglés y el español.

Mentalidad: ágil, colaborativa e innovadora.

Experiencia de al menos 3 años en desarrollo Java habiendo trabajado bajo arquitectura de microservicios

Habilidades Spring Boot, Java, Kotlin.


Experiencia en pipelines

Conocimientos complementarios: Git, Bash.


Habilidades metódicas: Competencia en prácticas de Scrum, Kanban y DevOps.


Experiencia en CI/CD: Conocimiento de herramientas, configuración y funcionamiento de pipelines.


Competencia en la nube: experiencia práctica con Azure.


Prácticas de pruebas: familiaridad con JUnit y SpringContracts.


Habilidades lingüísticas: dominio del inglés y el español.


Mentalidad: ágil, colaborativa e innovadora.

• Nivel de experiencia---
• Tipo de contratoA tiempo completo
• Publicada21 feb.

.Net Kotlin Android iOS Swift QA

¿Dominas el mundo Mobile? ¡Buscamos tu talento Kotlin & Swift!

En Randstad Digital no buscamos solo a alguien que escriba código, buscamos a un desarrollador Mobile Fullstack con ganas de dar el salto definitivo en su carrera, dominando los dos ecosistemas líderes: Kotlin y Swift.

Nuestro cliente

Somos la consultora tecnológica líder, presente en más de 20 mercados. En España sumamos más de 400 especialistas en oficinas de Madrid, Barcelona, Valencia, Sevilla, Zaragoza, Bilbao y Valladolid.

Tus funciones

Tu reto con nosotros:

• Desarrollo Dual: Implementación nativa bilingüe en Kotlin y Swift para garantizar la excelencia en Android e iOS.
• Visión End-to-End: Participarás en el ciclo de vida completo de aplicaciones móviles robustas.
• Sinergia Técnica: Colaboración directa con equipos de Backend (.NET) y QA.
• Calidad de Código: Aplicación de mejores prácticas y Clean Code en un entorno de alto impacto.

Requisitos del puesto

- Formación: Grado
- Conocimientos: data, data analysis
- Experiencia: 5 años

Dominando los dos ecosistemas líderes: Kotlin y Swift.

¿Por qué con Randstad Digital?

En Randstad Digital estamos enfocados en ayudarte a encontrar el puesto de trabajo que mejor se adapte a ti y a tus expectativas.

Sabemos que los perfiles profesionales IT son unos de los más demandados en el mercado laboral actual. Randstad Digital somos una división encargada de la selección profesional y especializada de perfiles IT tanto para su contratación directa como para su contratación temporal.

Usamos nuestra propia metodología de análisis y selección que nos permite garantizarte un puesto de trabajo 100% ajustado a tu perfil profesional.

Además estamos siempre cerca de ti, realizamos un seguimiento personalizado de tu incorporación para facilitarte la adaptación a tu nuevo puesto de trabajo. Y hacemos uso de nuestra tecnología para brindarte una experiencia excelente en tu búsqueda de empleo, proceso de selección y como trabajador.

¿A qué estás esperando?

Apúntate a nuestras ofertas y encuentra el empleo que buscas.

Somos empleo sostenible

La ambición de Randstad es ser la compañía de talento más equitativa y especializada del mundo. Ayudamos a las personas y a las organizaciones a desarrollar su verdadero potencial, buscando oportunidades que impulsen la sostenibilidad económica y prioricen el bienestar de las personas y el planeta.

Empleo inclusivo

Nuestra convicción de que todas las personas, independientemente de su procedencia, tienen las mismas oportunidades de éxito se demuestra en nuestros procesos, donde promovemos la equidad laboral a través equipos diversos e inclusivos.

Compromiso NetZero

Reforzamos nuestro compromiso ambiental para lograr la neutralidad de carbono en 2050 a través de la iniciativa Science Based Targets (SBTi).

• Nivel de experiencia---
• Tipo de contratoA tiempo completo
• Publicada16 feb.

Teletrabajo Python TSQL Kubernetes Kotlin REST AWS Fintech Machine Learning Office

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest.

The Fraud Engineering organization builds the foundational and tactical software that enables Affirm to respond strategically to fraud-both in real time and after the transaction. Our mission is to support business growth while protecting Affirm, our buyers, and our merchants. We evaluate risk at critical decision points in the user journey, rapidly adapt to evolving fraud patterns, and equip operations teams with the tools needed to investigate and mitigate fraud at scale.

We´re looking for a Senior Software Engineer to join our fully remote team based in Europe. You´ll collaborate closely with stakeholders across North America-including teams in Product, Compliance, Machine Learning, Fraud Operations, Fraud Strategy, and other Fraud Engineering teams.

What You´ll Do
- You will be responsible for owning and delivering quarterly goals for your team, leading engineers through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery.
- You will design and implement backend services and APIs using Python or Kotlin, operating within Affirm´s microservice and event-driven architecture.
- You will take an active role in shaping the team´s roadmap, collaborating on technical design, and driving execution across projects that span multiple teams.
- You will partner with the Engineering Manager and your teammates to elevate quality standards, evolve engineering processes, and represent the team in cross-functional initiatives.
- You will collaborate cross-functionally with stakeholders in Fraud Ops, Compliance, Product, Machine Learning, and Analytics to build scalable fraud tooling and infrastructure.
- You will proactively identify opportunities to improve system reliability, team efficiency, or architecture-and lead efforts to address them.
- You will contribute to operational excellence by maintaining high observability standards, responding to incidents, and participating in the on-call rotation.
- You will foster a culture of ownership, inclusion, and craftsmanship by mentoring teammates, providing feedback, and upholding high code and design standards.
- On-Call Rotation - There would be an on-call rotation for this role as a requirement.

What We Look For
- 5+ years of experience building backend systems at scale using Python or Kotlin.
- Experience with distributed systems and infrastructure using AWS, MySQL/PostgreSQL, and Kubernetes.
- Strong system design skills and a track record of delivering maintainable, extensible services.
- Proficiency in SQL and working with data-rich environments.
- Familiarity with CI/CD practices and safe production deployments.
- Strong written and verbal communication skills, especially in distributed teams.
- A proactive, ownership-driven mindset with a focus on learning and team success.
- Experience with Snowflake, dbt, Airflow, or Chronosphere (nice to have)
- Background in fraud prevention, risk systems, or post-transaction tooling. (nice to have)
- Experience working in the fintech sector or other highly regulated environments, with a strong understanding of risk, compliance, and operational constraints. (nice to have)
Compensation & Benefits

Base Pay Grade - N

Equity Grade - 4

Employees new to Affirm typically come in at the start of the pay range. Affirm focuses on providing a simple and transparent pay structure which is based on a variety of factors, including location, experience and job-related skills.

Base pay is part of a total compensation package that may include monthly stipends for health, wellness and tech spending, and benefits (including 100% subsidized medical coverage, dental and vision for you and your dependents). In addition, the employees may be eligible for equity rewards offered by Affirm Holdings, Inc. (parent company).

ESP base pay range per year: €85,000 - €115,000

Additional benefits include:
- Flexible Spending Wallets for tech, food and lifestyle
- Away Days - wellness days to take off work and recharge
- Learning & Development programs
- Parental benefits
- Employee Resource & Community Groups

We are able to offer visa sponsorship for this role, but do require that someone is based in Spain for the role.

Location - Remote Spain

#LI-Remote

Affirm is proud to be a remote-first company! The majority of our roles are remote and you can work almost anywhere within the country of employment. Affirmers in proximal roles have the flexibility to work remotely, but will occasionally be required to work out of their assigned Affirm office. A limited number of roles remain office-based due to the nature of their job responsibilities.

We´re extremely proud to offer competitive benefits that are anchored to our core value of people come first. Some key highlights of our benefits package include:
- Health care coverage - Affirm covers all premiums for all levels of coverage for you and your dependents
- Flexible Spending Wallets - generous stipends for spending on Technology, Food, various Lifestyle needs, and family forming expenses
- Time off - competitive vacation and holiday schedules allowing you to take time off to rest and recharge
- ESPP - An employee stock purchase plan enabling you to buy shares of Affirm at a discount

We believe It´s On Us to provide an inclusive interview experience for all, including people with disabilities. We are happy to provide reasonable accommodations to candidates in need of individualized support during the hiring process.

[For U.S. positions that could be performed in Los Angeles or San Francisco] Pursuant to the San Francisco Fair Chance Ordinance and Los Angeles Fair Chance Initiative for Hiring Ordinance, Affirm will consider for employment qualified applicants with arrest and conviction records.

By clicking "Submit Application," you acknowledge that you have read Affirm´s Global Candidate Privacy Notice and hereby freely and unambiguously give informed consent to the collection, processing, use, and storage of your personal information as described therein.