Java Developer
At Devoteam, we believe that technology with strong human values can actively drive change for the better. Discover how Tech for People unlocks the future, creating a positive impact on the people and the world around us. We are a global leading player in Digital Transformation for leading organisations across EMEA, with a revenue of €1B. We believe in transforming technology to create value for our clients, partners and employees in a world where technology is developed for people. We are proud of the culture we have built together. We are proud of our people at the service of technology. We are proud of our diverse environment. Because we are #Techfor
People. Join our multidisciplinary team of Cloud experts, Designers, Business consultants, Security experts, Engineers, Developers and other extraordinary talents, spread across more than 20 EMEA countries. Become one of our +10. 000 tech and business leaders on cloud, data and cyber security. Let’s fuse creativity with technology together and build innovative solutions that actively change things for the better.
- Design and develop
- quality, scalable, and secure Java/Spring applications. - Lead code reviews and enforce best practices to ensure clean, reliable code.
- Mentor junior developers, fostering technical excellence and knowledge sharing.
- Architect robust,
- proof solutions aligned with business needs. - Collaborate with product, design, and business teams to deliver effective solutions.
- Ensure code quality with strong unit/integration testing and high test coverage.
- Troubleshoot and resolve complex performance, scalability, and reliability issues.
- Optimize application and database performance using advanced profiling techniques.
- Embed security best practices throughout the development lifecycle.
- Stay current with emerging Java/Spring technologies and apply them to enhance solutions.
- Document technical specifications and design decisions clearly and effectively.
- Contribute to strategic planning and provide technical leadership in key decisions.
- Degree in Computer Science or related field (or equivalent experience).
- Proven expertise in Java development, with strong proficiency in the Spring ecosystem.
- Hands‑on experience with microservices architecture and distributed systems.
- Strong knowledge of SQL optimization, stored procedures (e. g. , PL/SQL), and relational databases (Oracle, SQL Server, My
SQL, etc. ). - Solid understanding of software engineering best practices, including SOLID principles.
- Experience building and consuming web services (REST and SOAP).
- Familiarity with CI/CD pipelines, version control, and automated deployment practices.
- Proficiency in French (written and spoken).
Devoteam Group works for equal opportunities, promoting its employees based on merit and actively fights against all forms of discrimination. We are convinced that diversity contributes the creativity, dynamism and excellence of our organization. All of our vacancies are open to people with disabilities.
Java/Spark Developer
Lisbon, Lisboa IT International Mobility
Founded in 2005 in Lisbon by three visionary entrepreneurs, Mo
Ongy quickly became a leading group in Engineering and Information Technology (IT) across Europe and North Africa. Today, with a presence in 14 countries and more than 40 subsidiary companies, Mo
Ongy employs over 9, 500 talents who share a common passion for innovation and excellence.
We are looking for a Java/Spark Developer to join our team in Lisbon. You will work on designing and developing
- native solutions with a strong focus on data processing, leveraging modern frameworks, cloud platforms, and containerised environments.
- Design, develop, and optimise applications in Java/J2EE, focusing on data processing and performance tuning.
- Build and maintain Apache Spark pipelines and integrations.
- Contribute to solution design, applying proven patterns and avoiding
- patterns. - Work with cloud-native applications using Docker & Kubernetes.
- Develop and maintain robust CI/CD pipelines using modern tools.
- Collaborate with cross‑functional teams to ensure scalable and efficient data solutions.
- 3+ years of experience with Apache Spark (hands‑on).
- Strong experience in Java/J2EE, Spring, Spring MVC.
- Advanced knowledge of Java features (lambdas, streams, futures).
- Transactional SQL and Spark SQL expertise.
- Experience with relational databases: Postgre
SQL, Oracle Exa
CC. - Familiarity with object storage solutions (e. g. , S3).
- Proficiency with Docker and Kubernetes for container orchestration.
- Hands‑on experience with CI/CD tooling (Maven, Git
Lab, Argo
CD, Liquibase).
Ongy
International Mobility: Access to a dedicated international mobility department with personalised relocation programmes.
Career Development: Opportunities to work on projects with cutting‑edge technologies in different countries and sectors.
Continuous Learning: Access to ongoing and free training and career‑oriented certifications.
Personal Growth: Exchange of ideas and best practices across Europe, fostering creativity and innovation.
Global Citizen in the World of Technology: Opportunity to work in a global network of companies, with access to a wide range of challenging projects in different European markets.
@Mo
Ongy Group we stand for equality and value diversity. We create a safe, diverse environment where opportunities are equal for everyone! We do not discriminate based on age, ethnicity, sexual orientation, gender, disability, or any other factor other than merit. All applications with skills needed for the position are welcome!
Senior Java Developer – Relocation to Brussels
Lisbon, Lisboa All European Careers
We are urgently looking for a Senior Java Developer for the European Institutions in Brussels, Belgium.
A work permit is provided for non‑European candidates. EU candidates are welcome to apply.
Tasks and Responsibilities:
- Design and development of components and building blocks.
- Analyse integration of different information systems.
- Data analysis and data modelling.
- Coordination of the implementation of the technical architecture.
- Participation in technical working groups, progress meetings, and users meetings.
- Definition of testing needs and assistance in testing.
- Assistance during relevant parts of testing, analysis, technical documentation, deployment, evaluation, and reporting.
Profile:
- +5/+10/+15 years of Java development experience.
- Good knowledge of Spring.
- Good knowledge of Hibernate.
Lead Java/React. js Software Developer
Agile
Engine is a
- ranking provider of software solutions to Fortune 500, Global 500, and Future 50 companies. Listed on Inc. 5000 among the
- growing US companies, we are always open to talented software, UX, and data experts in the Americas, Europe, and Asia.
- Create interfaces to backend systems of our customers using Java and Spring
Boot, e. g. for REST Services, databases, SAP. - Configure user interfaces and take care of on‑premise installation of our software.
- Work with the latest Smart Glasses and other wearable devices and bring them to use at our customers.
- Do technical consulting for our customers.
- Support user acceptance and system integration tests.
- Execute roll‑out at customer site.
- Take on bug‑fixing during hypercare phase and handover to support team.
- Work independently on projects and be responsible for complying with time and quality specifications.
- University or college degree in computer science, IT, informatics or any other related subject.
- Familiar with API designs / specifications and XML / JSON.
- Database experience like My
SQL. - Ideally you have experience with logistics processes or manufacturing companies, such as the automotive industry.
- Proven ability to understand the big picture and quickly comprehend complex relationships in dynamic organizations.
- Enthusiasm for acting as team player, especially when it comes to cross‑functional teams paired with passion to work independently, assuming holistic responsibility for a project when needed.
- Fluency in English is mandatory, further languages are a plus.
Embedded Software Engineer
FOSSA Systems is a leading space engineering and telecommunications company with +40 employees, specialising in developing and deploying Io
T satellite solutions for remote asset management. With headquarters in Madrid and an R centre in Lisbon, FOSSA Systems is at the forefront of innovation.
We want an Embedded Software Engineer to design, develop, and test FOSSA’s next‑generation Io
T nodes and modules that collect sensor data and transmit it via our satellite network and/or cellular connectivity.
- Develop and program microcontrollers (e. g. ESP32) for Io
T devices. - Design and implement embedded software libraries.
- Define state machines and flow diagrams for system logic.
- Execute software verification and validation campaigns.
- Work with real‑time operating systems (Free
RTOS).
- Graduate in telecommunications, industrial or electronics engineering.
- 1 to 3 years of minimum related experience.
- Experience in embedded software development (C/C++, Python).
- Experience developing firmware for low power devices.
- Experience on Git
Hub or other code repositories. - Full professional proficiency in English.
- Educational MSc level.
Java Software Engineer
With just over 7 years of experience in the Portuguese market, we share our DNA with more than 200 workers and position our offer according to 3 lines of service: Strategy, Nearshore.
Responsibilities- Participate in the development effort of the project, with a strong focus on Spring Boot.
- Act as a liaison between stakeholders to align expectations, negotiate deadlines, and provide regular progress updates.
- Ensure the project’s team lead is aware of risks, dependencies, blockers, mitigation efforts, and any business impact, communicated clearly.
- Guarantee that high‑quality deliverables are produced on schedule and aligned with client guidelines and industry best practices.
- Make sound architectural decisions to ensure robust and scalable solutions.
- Bachelor’s or Master’s degree in Computer Science or a related field.
- Proven expertise in Spring Boot, microservices development, database integration, RESTful API development, and related technologies.
- Solid knowledge of foundational architecture design patterns, Dev
Ops/CI‑CD, Git, testing, build tooling, troubleshooting, observability, caching, messaging, and Scrum tools/methodology. - Excellent communication skills; resilient and goal‑oriented.
- Technology‑driven and by challenges.
- Proficiency in English (written and spoken).
- European Union Citizenship or Portuguese Working Visa / Portuguese Residency.
- Availability to go to the office, once or twice per week.
- Cloud experience (e. g. , Azure, AWS, or GCP).
Senior Software Engineer
Reporting to the Senior Director, Development, the Senior Software Engineer will contribute expertise in solution architecture for Core Banking implementations leveraging Java Spring Boot microservices.
- Design and develop solution architecture for Core Banking implementations.
- Articulate and design product extensibility, customizations and integrations.
- Design and develop applications using Java EE platforms.
- Ensure adherence to Testable, Secure and Performant coding practices.
- Utilise strong knowledge of Relational Databases, including Oracle, IBM DB2, or Postgre
SQL, and Liquibase concepts. - Design and develop applications using Messaging Technologies such as JMS, Active MQ, Kafka, and Debezium.
- Work with J2EE application servers such as Web
Sphere, JBoss, and Apache Tomcat. - Blend technical and functional knowledge to architect, design, and implement solutions.
- Solve complex problems and perform analytical tasks.
- Communicate effectively through verbal, written and telephonic channels.
- 5‑8 years of proven experience in designing solution architecture for Core Banking implementations.
- Expertise in developing Java Spring Boot microservices and deep knowledge of Java as a programming language.
- Capability to articulate and design product extensibility, customisations and integrations in alignment with product architecture.
- Proficiency in designing and developing applications using Java EE platforms with an understanding of the Software Development Life Cycle.
- Understanding of Testable, Secure and Performant Coding practices.
- Strong knowledge of Relational Databases, with expertise in at least one of Oracle, IBM DB2, or Postgre
SQL, along with Liquibase concepts. - Expertise in designing and developing applications using Messaging Technologies such as JMS, Active MQ, Kafka, and Debezium.
- Solid understanding of J2EE application servers such as Web
Sphere, JBoss, and Apache Tomcat. - A good blend of technical and functional knowledge to architect, design, and implement solutions.
- Excellent problem‑solving and analytical skills.
- Strong verbal, written, and telephonic communication skills.
Java Back‑End Spark Developer
Lisbon, Lisboa IT International Mobility.
Founded in 2005 in Lisbon, Mo
Ongy quickly became a leading group in Engineering and IT across Europe and North Africa. Today, with a presence in 14 countries and more than 40 subsidiary companies, Mo
Ongy employs over 9, 500 talents.
You’ll be part of an IT team responsible for designing and developing a large‑scale Data Processing application, executed in batch mode and powered by Spark. Expect a technical playground involving cloud‑native architectures, containers, and high‑performance data pipelines.
Work Experience Required- 8+ years of Java/J2EE development, ideally within data‑processing environments.
- 3+ years of hands‑on Apache Spark development.
- Solid experience building and deploying cloud‑native applications using Docker and Kubernetes.
- Strong, hands‑on experience with
- Informações detalhadas sobre a oferta de emprego
Empresa: Primeit Localização: Lisboa
Lisboa, Lisboa, PortugalPublicado: 2. 12. 2025
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