Ofertas de empleo de Programador/a Back-End

• Nivel de experiencia---
• Tipo de contratoFreelance
• Publicada20 feb.

API .Net C# CSS TSQL HTML Git React SQL Server

Job Role : .NET Backend Developer
Job Type : B2B Contract
Duration : 6+ Months Contract
Location : Barcelona, Spain
Work Mode : Hybrid (3 days onsite in a week)

Job Description
• 5- 8 years of proven experience as a Back-end Developer with a focus on middle tier API development Frameworks.
• Strong proficiency in C# and Microsoft technologies (e.g., .NET, SQL Server) and ORM frameworks (e.g., Entity Framework).
• knowledge of Front-end technologies (e.g., HTML5, CSS3, ReactJS – Should have familiar with this)
• Knowledge of version control systems (e.g., Git).
• Knowledge on AWS

• Flexibilidad horariaSí
• Nivel de experiencia---
• Tipo de contratoA tiempo completo
• Publicada19 feb.

API Java TSQL Scrum Maven Jenkins Cloud Coumputing Git REST PostgreSQL Spring ITIL UML

En DTA buscamos incorporación un perfil de SENIOR BACKEND JAVA con al menos 3-4 años de experiencia.


¿QUÉ NECESITAMOS DE TI?

Senior Backend a partir de 4 años de experiencia.
- Lenguaje de programación java
- Frameworks: Spring boot, hibernate/jpa, Spring Core.
- API Rest, Open API
- Mensajería asíncrona con protocolo AMQP basado en xsd/xml).
- Test unitario con Junits y mockito.
- Conocimiento SQL y bbdd PostgreSQL.
- Construcción con Maven

Requisitos Deseables:
- Frameworks: Spring Openfeign, spring-data, Spring Security.
- Versionado de bbdd con Flyway.
- Authenticación/authorización basada en protoclo OpenId Connect y Oauth2
- Versionado de código con GIT y Gitflow Valorable:
- Conocimientos UML (Diagramas de clases, casos de uso y secuencia).
- Uso de Jenkins para CICD


MODALIDAD DE TRABAJO: 100% presencial o híbrido en Málaga.

CONDICIONES: Horario Flexible oficina, jornada intensiva verano.


¿POR QUÉ ELEGIRNOS? ¡Esto es lo que te ofrecemos!

- Modalidad de trabajo flexible
- Flexibilidad horaria favoreciendo la conciliación laboral.
- Contrato indefinido y posición estable.
- Grandes posibilidades de crecimiento profesional y estabilidad laboral.
- Oportunidades de formación en tecnologías punteras (Open Webinars, con todo tipo de cursos e itinerarios para formarte desde un nivel principiante hasta avanzado.
- Clases de inglés con diferentes niveles, adaptadas a ti, con profesores nativos (Learnlight.
- Certificaciones en las últimas tendencias (Scrum, ITIL, PMP....
- Acceso a beneficios fiscales gracias a nuestro plan de Retribución Flexible (tickets restaurante, transporte, guardería y formación.
- Descuentos en multitud de productos y servicios (Universidad UNIR, Escape Rooms, Abono teatro, Cloud Edenred, Dogfy Diet, etc.
- Iniciativas corporativas de team building como torneos deportivos.
- Seguimiento personalizado en todo momento gracias al acompañamiento de nuestras figuras de People Partner y Business Manager.
- Trato cercano y feedback: vas a estar en constante comunicación con nosotros para saber cómo avanzas en la posición.


En Digital Talent Agency te ofrecemos desarrollar proyectos en empresas destacadas del sector tecnológico, poniendo foco en tu desarrollo profesional, qué te gusta, cómo eres y con qué tipo de proyectos te sientes motivado.

¡Queremos conocerte!

En Zemsania, creemos en la igualdad de oportunidades y en la diversidad como valores fundamentales para el éxito de nuestra organización. Por ello, garantizamos un proceso de selección basado en el mérito y sin discriminación por motivos de género, edad, discapacidad, orientación sexual, raza, religión o cualquier otra condición personal o social

• Nivel de experiencia---
• Tipo de contratoA tiempo completo
• Publicada14 feb.

Javascript API .Net C# ASP.Net CSS TSQL OOP HTML Angular MVC

Join Aristocrat in Bringing Joy to Life Through the Power of Play. Be part of our growing global team where people come first because they fuel our success. Here, it’s All About the Player and we create a world of its own for everyone, everywhere with premium casino and world-class digital and mobile products. Our value of Good Business, Good Citizen ensures that corporate growth and responsible gameplay go hand in hand to help our industry remain sustainable. Aristocrat offers a highly diverse, inclusive, and equitable culture as well as the professional tools and resources to ensure your Talent is Unleashed. We achieve success through Collective Brilliance. Individually, we are great, but together, we are unstoppable. Aristocrat enhances the player experience—and careers—with opportunities featuring meaningful challenges, strong advancement potential, and global exposure.


*What You´ll Do*
MAIN DUTIES AND RESPONSIBILITIES

*  Develop and troubleshoot new and existing software within time and scope of the integration.
* Perform tests of the applications and apply remediation as needed to eliminate errors.
* Ensures smooth process during third-party API integrations.
* Assist in the development and peer review of plans, technical solutions, and related documentation.
* Integration of user-facing elements developed by front-end developers with server-side logic.
* Building reusable code and libraries for future use.
* Optimization of the applications for maximum speed and scalability.
* Implementation of security and data protection.
* Design and implementation of data storage solution.
* Maintain transparent communication with immediate manager, with respect to work undertaken and ensure that performance standards/expectations should not get breached.
* Regularly update and consult with direct manager regarding ongoing tasks and projects.
* Provide timely progress reports and seek guidance as needed to ensure efficient workflow.
* Attend & contribute to team huddles, meetings & ad hoc meetings when required.
* Assist in additional tasks and projects as assigned by supervisors or management to support the achievement of department and organizational goals.
II. INFORMATION LINKS AND RELATIONSHIP

* In his/her everyday work the Back-End Developer is subordinate to his/her superior or to the Managing Director of the Company, according to the approved Company’s organizational chart.
* Work closely with all relevant parties both inside and outside of the company.
*What We´re Looking For*

*REQUIREMENTS
•    2+ years of experience in .NET Framework – MVC, Web API, Entity Framework
•    Experience with .
NET 6: Strong understanding of the .
NET 6 framework and experience in building and maintaining high-performance applications using C#.
•    Understanding of the Mediator Pattern: Ability to work with the Mediator pattern for managing communication between different components, promoting loose coupling and ensuring that each component focuses on a single responsibility.
•    Knowledge of CQRS (Command Query Responsibility Segregation): Basic understanding of CQRS principles to separate read and write operations, helping to improve application scalability and organization.
•    Good understanding of best coding practices
•    Experience in MS-SQL Server
•    Basic knowledge in front-end development with HTML5, JavaScript, CSS, Angular
•    Experience in C# .NET 
•    Experience in ASP.NET MVC
•    Experience in API Programming & Integrations
•    Skilled with all OOP concepts
•    Experience in MS-SQL Server – Scheme, Stored procedures, trigger, indexes
•    Experience in performance tuning of both C# code as well as SQL queries
•    Understanding in Networks
•    Experience in Unit-Testing development
•    Proficiency in examining, investigating and solving dynamic problems and develop creative solutions
•    Excellent spoken and written English*
*Company Summary*
*Aristocrat Interactive   *

Aristocrat Interactive is Aristocrat Leisure Limited’s (ASX:ALL) regulated online Real Money Gaming (RMG) business and was formed in 2024 when the Anaxi and NeoGames businesses (Anaxi, NeoGames, Aspire Global, BtoBet, and Pariplay) came together.
  The business is an industry leader in content and technology solutions for online RMG, with a full-service offering that includes content, proprietary technology platforms and a range of value added services across iLottery, iGaming and Online Sports Betting (OSB).
 

**About Aristocrat**
Aristocrat Leisure Limited (ASX: ALL) is a leading gaming content creation company powered by technology to deliver industry-leading casino games together with mobile games and online real money games, collectively entertaining millions of players worldwide, every day. Headquartered in Sydney, Australia, Aristocrat has three operating business units, spanning regulated land-based gaming (Aristocrat Gaming), mobile games publishing (Pixel United) and regulated online real money (Aristocrat Interactive). Our team of over 8,500 people across the globe are united by our company mission to bring joy to life through the power of play.
*Our Values*

* All about the Player

* Talent Unleashed

* Collective Brilliance

* Good Business Good Citizen

*Travel Expectations*
None

• Nivel de experiencia---
• Tipo de contratoA tiempo completo
• Publicada13 feb.

Teletrabajo API Java MongoDB NoSQL Scrum REST TDD Spring Microservices Kanban Kafka Couchbase

En Serbyte, somos una empresa joven y dinámica que, desde inicios de 2024, forma parte de la multinacional Seidor. Apostamos por la innovación y el talento.
Actualmente, buscamos un/a Programador/a con experiencia en Java y arquitectura microservicios, de al menos 4-5 años.

Tareas

- Desarrollarás software de manera profesional con Java y Spring Boot, aplicando principios de arquitectura de microservicios.

- Trabajarás con bases de datos NoSQL (MongoDB, Couchbase) y relacionales, asegurando eficiencia y escalabilidad.

- Diseñarás e implementarás APIs REST con herramientas como Swagger/Open API, Kafka y JMS.

- Aplicarás metodologías de extreme programming (TDD, pairing) y principios de diseño de software como arquitectura hexagonal y clean code.

- Colaborarás en equipos ágiles (Scrum, Kanban), participando en retrospectivas y demostraciones para mejorar continuamente

Requisitos
Al menos 5 años de experiencia en Java y 4 años en arquitectura de microservicios.
Experiencia con Spring Boot y bases de datos NoSQL y relacionales.
Conocimientos en APIs REST, Swagger/Open API, Kafka, JMS.

Beneficios

- Contrato indefinido con jornada laboral completa.

- Modalidad remota/teletrabajo con posibilidad de acudir a las oficinas en: Madrid, Gijon, Bilbao, BCN, Valladolid, VLC, Zaragoza, Granada, Almería.

- Salario: Entre 36.000 y 45.000 €/año (según experiencia y expectativas).

Si buscas un entorno dinámico, oportunidades de crecimiento y formar parte de una gran familia como Serbyte by Seidor, esta es tu oportunidad. ¡Inscríbete ahora!

• Nivel de experiencia---
• Tipo de contratoA tiempo completo
• Publicada12 feb.

Teletrabajo API Java Agile Spring Scrum Maven Cloud Coumputing Jira Kafka DDD

En la actualidad estamos seleccionando un perfil de DEVELOPER BACKEND JAVA con al menos 1 año de experiencia, para colaborar en interesante proyecto con empresa final.

MODALIDAD DE TRABAJO: Remoto desde cualquier ubicación de España

HORARIO: Jornada partida de lunes a jueves y continua los viernes.


¿QUÉ VAS A HACER?

- Comunicar ideas, nuevos métodos o tecnologías con el objetivo de mejorar el stack tecnológico actual.
- Participar de forma activa y constante en diseño y desarrollo de APIs.
- Velar por la calidad de desarrollo y limpieza de código (Clean Code).
- Aprender y mantenerse actualizado en tecnologías, especialmente en aquellas asociadas al desarrollo de aplicaciones internas y back-office.
- Trabajar en equipo y mano a mano con el Tech Lead y el resto del equipo de desarrollo.
- Cumplir con todas las pautas y estándares del proyecto y la empresa y asegurarse de que el equipo lo esté haciendo.
- Trabajar en sprints de 2 semanas, compuestos principalmente por historias de usuario iterativas y hacerse responsable en equipo de dicho compromiso.


¿CÓMO LO HARÁS?

- Desarrollando en Java, utilizando Spring Framework, entre otro stack disponible.
- Utilizando frameworks, servicios provistos por la organización para la entrega continua de funcionalidad.
- Utilizando scrum como metodología agile, con tools de soporte como Jira, confluence, etc.

¿CON QUIÉN LO VAS A HACER?

El perfil trabajará dentro del equipo de Proyectos Devoluciones de Ecommerce de la empresa. Trabajando mano a mano con el resto de desarrolladores y el Team Leader del equipo.
El objetivo es formar parte del equipo de desarrollo que lo conforman desarrolladores de Front y desarrolladores de Back para el desarrollo de herramientas que proveen de soluciones técnicas a problemas de Devoluciones.



REQUISITOS TECNOLÓGICOS

- Experiencia de al menos 1 año en desarrollo con Java.
- Experiencia participando en el diseño de arquitectura de sistemas basado en servicios distribuidos.
- Experiencia o conocimientos sobre arquitectura hexagonal
- Experiencia demostrable en entornos de ejecución de alto rendimiento y concurrencia.
- Experiencia en el diseño y desarrollo de APIs.
- Conocimientos de kafka o algún otro gestor de colas.
- Experiencia demostrable en el desarrollo bajo el modelo de integración continua y revisión de código.
- Experiencia con Spring.
- Experiencia como parte de un equipo Scrum.
- Que conozca y comparta los fundamentos de DDD.
- Conocimiento profundo de patrones y arquitecturas de desarrollo en Java.

HARD SKILLS: DDD, SCRUM, API first, Spring, OpenAPI, Maven, Java 8 -11, CI/CD

Es valorable:

- Experiencia en desarrollo en tecnologías de cloud.
- Que haya participado en la definición de una estrategia de APIs y que conozca especificaciones estándar (OpenAPI, AsyncAPI, RAML, etc).

• Nivel de experiencia---
• Tipo de contratoA tiempo completo
• Publicada11 feb.

Teletrabajo Java REST Spring

The Opportunity

Are you one of those Backend Developers who push yourself to the limit?

Why choose us?

HIGH QUALITY PROJECTS. You will take part in demanding projects focused mainly on digitalization or even start projects from scratch. Show us what you´re made of!

LATEST TECHNOLOGIES. We know you love the fascinating world of Developing, which is why you´ll continue to grow in this field by working with the latest technologies.

REMOTE POSITION WITHIN SPAIN. Flexibility, what else do we need? You´ll be able to work from the comfort of your home from any location within Spain.

LEARNING. Your current knowledge is never enough, is it? You´ll have access to learning platforms that will train you to become an expert or even start learning one of those skills you know you´ve been wanting to study.

TEAMWORK. This team will always be there for you! We know you´re tough and have a "no task too small" attitude, but you´ll always have a talented teammate to count on if you need to!

INTERNATIONAL TEAM. If you stand out among your peers because you´ve got great English communication skills, you´ll be able to put that to good use! If it´s not your strongest suit, don´t worry! Here´s where you can improve it by working alongside teams distributed all around the world.

CAREER PLAN. It is a fact, here you´ll grow in every direction: vertically towards gaining more responsibilities and increasing in category, and horizontally towards learning new technologies and becoming an expert in your business.

Other benefits that you´ll find:

Restaurant tickets for every working day!

Permanent contract: you are here to grow with us!

Flexible retribution for the Gympass and nursery tickets: take care of your health and your children!

Referral program: it´s time to bring your colleagues to an awesome team and get rewarded for it!

Salary and bonuses: it´s a matter of reaching an agreement. We´ll discuss it on our first call!

What will make you successful in this position?

Experience Java

Experience Spring Boot, REST services and API´s.

Architectural experience and you know how design API´s.

Ingles (B2+)

What will be your mission?

This new talent will belong to the development of new applications within the sector: Pharmaceutical, Re-Insurance, Credit, Retail among others and providing solutions to market-leading global clients, we want a new member eager to Grow up, a lover of technology and with a clear objective of participating in this world circuit with us.

To sum up!

Apply for this position if you want to remain a successful professional surrounded by a healthy and trendy environment.

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.

• Nivel de experiencia---
• Tipo de contratoA tiempo completo
• Publicada9 feb.

Teletrabajo Java Agile Azure Jenkins AWS DevOps Spring Terraform

We are looking for a Backend Engineer – Focus Java, Spring Boot (x|f|m) for our IT Software Development & Innovations department.

Are you an experienced backend developer who is passionate about driving security in software development? Join Sartorius in this key position and lead the implementation and improvement of our identity and access management systems. You will take technical leadership ensuring best practices are followed while collaborating with cross-functional teams to create value for users.

We are looking for a Senior Backend Developer (x|f|m) for our IT Software Development & Innovations department. Are you an experienced backend developer who is passionate about driving security in software development? Join Sartorius in this key position and lead the implementation and improvement of our identity and access management systems. You will take technical leadership ensuring best practices are followed while collaborating with cross-functional teams to create value for users.

Grow with us – Your Responsibilities

• You will make an important contribution to our applications focusing on identity and access management
• This includes implementing identity management end-to-end and defining architectural standards and best practices
• You will collaborate with cross-functional teams to translate requirements into technical designs and application functionality
• This includes creating and implementing robust technical designs to enhance existing applications and drive new developments
• You will collaborate with developers and product owners to implement solutions and create value for users
• Participating in code reviews and peer programming sessions to maintain high coding standards and best practices rounds off your responsibilities
  
  

• You have successfully completed a degree in computer science, engineering or a related field
• This is complemented by experience in software development, as well as an portfolio of successfully completed projects
• Good understanding of Java, Spring Boot, and containerized applications
• Experience in implementing and running scalable micro-service architectures on AWS, Azure or GCP is benefical
• Ideally first expertise in identity and access management solutions like Okta or Keycloak, and frameworks such as OAuth 2.0 and SAML
• Familiarity with continuous deployment tools (e.g., Jenkins, ADOS) and infrastructure as code (IaC) via Terraform is a plus
• You understand and practice agile software development and DevOps culture
• You describe yourself as a team player to identify and implement the best solution together with your team
• Fluent English skills round off your profile
  
  

• Personal and Professional Development: Mentoring, leadership programs, Talent Talks, LinkedIn Learning, internal seminar offerings, coaching for managers
• Work life balance: Remote options, flextime, flexible work schedules, sabbaticals
• Making an impact right from the start: Comprehensive onboarding, including a virtual online platform even before joining, Welcome Workshops, "buddy" as point of contact
• Welcoming Culture: Mutual support, teamspirit and international collaboration; communities on numerous topics, such as coaching, agile working and business women network
  
  

• Flexibilidad horariaSí
• Nivel de experiencia---
• Tipo de contratoA tiempo completo
• Publicada5 feb.

Teletrabajo Javascript API Java Angular Agile TSQL NoSQL jQuery Jenkins Docker Microservices Git REST TDD OpenShift AWS Office

Node JS Backend Developer (Málaga) - Santander Digital Services

Country: Spain

Job Description

Hello! Welcome to the place responsible for developing the technology that improves the lives of 160 million customers around the world!

This job offer is an opportunity not only to join a great company but also to collaborate in projects that have a real impact on society.

We are looking for a Node JS Backend Developer based in one of our Hubs in Málaga, with at least 4 years of experience in significant domain knowledge of the business area and technology, and demonstrable track record of driving change in a regulated, matrixed environment.

Let´s get to know each other!

We are undergoing one of the biggest transformations in our history and technology is at the heart of our strategy. Join our team to play a part in one of the most important technological projects for the financial sector in the world.

One of our guiding principles is continuous innovation, working with Agile and DevSecOps methodologies and adopting all the leading market technology to work with the best tech stack.

We recently received Top Employer certification in Spain, Europe and globally for the sixth consecutive year and we are one of the World´s 25 Best Workplaces. We are very proud to be an equal opportunities organisation and we are building a dynamic and proactive team. All we ask from you is that you bring a positive attitude and share our values and a commitment to development of cutting-edge technology, no matter where you come from or where you end up.

Your role

We are looking for a Node JS Backend Developer based in one of our Hubs in Málaga, a key team in our technology ecosystem.

We value delivering high-quality products that meet the needs of our customers. To this end, we are seeking candidates who will oversee the entire software development lifecycle, from planning to deployment and beyond.

- Take responsibility of the software delivery by ensuring quality and scope expectations are met;

- A software engineer who takes pride in their craftsmanship and in the results that they deliver

Your main tasks will be:
- Take responsibility of the software delivery by ensuring quality and scope expectations are met.
- A software engineer who takes pride in their craftsmanship and in the results that they deliver.

What you´ll bring

You´re sure to fit in if you like technology and are constantly learning about new developments, as well as having an interest in better understanding the risks faced by the Bank. In addition to developing your technical skills, you should also be interested in improving your soft skills.

If you think you´ve got what it takes, these are the key skills we´ll be looking for in your CV:
- 5 years of experience in Node (JavaScript).
- Extensive knowledge of working with distributed infrastructure systems and client-server architectures.
- Back-end technologies such as Node JS, Mongo DB, Java, npm packaging, RESTful APIs. Experience in IBM API Connect and StrongLoop is a plus.
- Experience with AWS serverless (lambdas) is highly desirable.
- Excellent working knowledge of both SQL and NoSQL databases.
- Experience of using agile methodologies and TDD (test-driven development).
- Experience with any of the JavaScript libraries (JQuery, AngularJS)
- Experience with API development (REST).
- Knowledge of continuous Integration and continuous delivery using Jenkins and the Nexus repository manager.
- Knowledge of Docker, Git, GitHub, Openshift and MicroServices Architecture.
- Strong written and verbal communication skills in English.

The following would also be great...
- University degree in technology, preferably in computer science.

What is the Be Tech! experience like?
- Hybrid working model (working remotely some days and meeting with the team in the office on other days).
- Flexible working hours.
- Possibility of travelling to collaborate with teams in other countries.
- Opportunities to develop your career in different overseas units and countries.
- Continuous training in innovative technical fields so you are always up to date and have the tools you need to do your job.
- Career plan to ensure your professional growth and that your efforts are duly rewarded.
- Highly competitive salary and bonuses.
- Financial benefits (special interest rates for loans, preferential banking terms, pension plan, life insurance, etc.)
- Social benefits (gym and medical centre on the premises, daily meal subsidy with a choice of seven restaurants, parking, shuttle service to the centre of Madrid, discounts and offers with different companies for Santander employees and much, much more that we will tell you all about when you arrive!)

What now?

If you like what you´ve read so far, you´ll like it even more once you´re on board... So why not join us?

• Nivel de experiencia---
• Tipo de contratoConsultor
• Publicada4 feb.

Java MongoDB Agile Azure Scrum Jenkins Oracle TDD OpenShift AWS Spring PostgreSQL Redis Kafka

Sr. Backend Developer
• Experience:
• 2-3 years in Event-Driven Architecture
• 3-5 years in IT projects
• 1-2 years Banking projects
• Advanced knowledge in: Micro-services, Event-Driven Arch., SpringBoot, SpringCloud (Web, Data, JPA, Stream), Kafka, Redis HA, Functional Programming, Reactive Programming, Java (8 onwards), S3, Oracle, PostgreSQL, MongoDB, AWS, Azure, OpenShift, GitHub, Jenkins, Sonar, Test(TDD or BDD)), Knowledge of CI/CD tools.
• APIs (Development and efficient performance for high volumes, low response times, OAs3)
• Valuable functional knowledge in transaction banking and accounting, specifically cash flows. Experience in Agile methodologies (Scrum)