Java Developer

Job Title: Java Developer

Company: HITO Solutions (LUZA)

Location: Lisbon, Portugal

Work Regime: Full-time & Hybrid (3x office days)

Overview / Summary: We are looking for a Java Developer to join our team in a project in Lisbon. This Java Developer should have vast experience working with Java technologies and microservices, strong problem‑solving skills, and the ability to work independently or in a team environment with excellent communication and documentation skills.

Responsibilities and Tasks: Design, develop, and maintain multiple applications for system integration using Java technologies; work on international financial projects, ensuring performance, scalability, and security; integrate systems using IBM App
Connect and IBM MQ; collaborate with teams to deliver high‑quality solutions; write clean, maintainable code, participate in code reviews, and follow best practices and project standards.

Mandatory Requirements:

• +4 years of experience in Java Development or similar roles.
• Experience with Java, SQL, Spring, non‑relational databases.
• Experience with microservices using RESTful APIs.
• Practice with IBM App
  Connect and MQ.
• Familiarity with software development lifecycle, version control (Git), and agile methodologies.
• Fluency in Portuguese and English (minimum C1 level).

Benefits:

Our company does not sponsor work visas or work permits. All applicants must have the legal right to work in the country where the position is based. Only candidates who meet the required qualifications and match the profile requested by our clients will be contacted.

#Visionary
Future - Build the future, join our living ecosystem!

Job Description

• 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.

Qualifications

• 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).

Additional Information

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 to the creativity, dynamism and excellence of our organization. All of our vacancies are open to people with disabilities.

Java/Spark Developer

Location: Lisbon

Hybrid: 2 times a week at the client’s office

Candidates must possess a valid work permit for Portugal

Mandatory Languages Required: English (minimum B2) French (is a plus)

About the Role: We are looking for a Java/Spark Developer to join our team in Lisbon. You will work on designing and developing cloud‑native solutions with a strong focus on data processing, leveraging modern frameworks, cloud platforms, and containerized environments.

Key Responsibilities

• Design, develop, and optimize 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
  - 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.

Must‑Have Skills

• 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, Kubernetes for container orchestration.
• Hands‑on experience with CI/CD tooling (Maven, Git
  Lab, Argo
  CD, Liquibase).

Advantages of joining Mo
Ongy

• International Mobility: Access to a dedicated international mobility department with personalized relocation programs to facilitate your move to a new country.
• Career Development: Opportunities to work on projects with cutting‑edge technologies in different countries and various sectors.
• Continuous Learning: Access to ongoing and free training and career‑oriented certifications.
• Personal Growth: Exchange of ideas and best practices among professionals across Europe, fostering creativity and innovation in IT.
• 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.
• We stand for equality and value diversity; we create a safe, diverse environment where opportunities are equal for everyone. All applications with skills needed for the position are welcome!

Software Engineer (. NET)

Location: Lisbon, Portugal

Work Regime: Full-time & Hybrid (2x to 3x office days)

Overview / Summary: We are looking for a Software Engineer (. NET) with strong experience in event‑driven architectures, event sourcing, and data streaming. The role involves developing and maintaining microservices, implementing reliable event‑driven solutions.

Responsibilities

• Very good knowledge of. NET Core (ideally version 6 or above)
• Implement event‑driven solutions, including producing and consuming events, handling failures, and ensuring reliability (at‑least‑once delivery, retries, idempotency).
• Work with data streaming technologies such as Kafka Streams, ksql
  DB, or Spark Streaming.
• Operate within Azure cloud environments and contribute to scalable, reliable architecture designs.

Mandatory Requirements

• Very good knowledge of. NET Core (ideally version 6 or above)
• Experience with APIs and microservices development
• Understanding of SOLID, DDD (Domain‑Driven Design) or Clean Architecture
• Excellent understanding of relational databases and Entity Framework
• Experience with Azure or other cloud platform
• Git knowledge (preferably Azure Dev
  Ops)
• Kafka, Kubernetes

Benefits:

Our company does not sponsor work visas or work permits. All applicants must have the legal right to work in the country where the position is based. Only candidates who meet the required qualifications and match the profile requested by our clients will be contacted.

#Visionary
Future - Build the future, join our living ecosystem!

Lead Java/React. js Software Developer

Company: Agile
Engine

Location: Lisbon

What you will do: 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 hyper‑care phase and handover to support team; Work independently on projects and be responsible yourself for complying with time and quality specifications.

Must Haves:

• 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.

Benefits of joining us:

• Professional growth: Accelerate your professional journey with mentorship, Tech
  Talks, and personalized growth roadmaps.
• Competitive compensation: We match your ever‑growing skills, talent, and contributions with competitive USD‑based compensation and budgets for education, fitness, and team activities.
• A selection of exciting projects: Join projects with modern solutions development and top‑tier clients that include Fortune 500 enterprises and leading product brands.
• Flextime: Tailor your schedule for an optimal work‑life balance, by having the options of working from home and going to the office – whatever makes you the happiest and most productive.

Embedded Software Engineer

Company: FOSSA Systems

Location: Lisbon, metropolitan area

Hybrid Work: Hybrid

Full Time: Full Time

Who are we looking for?

We are seeking an Embedded Software Engineer to join our dynamic team in Lisbon. In this role, you will design, develop, and test FOSSA’s next‑generation Io
T nodes and modules. These devices will collect sensor data and transmit it via our satellite network and/or cellular connectivity, enabling seamless communication for remote assets.

Responsibilities

• 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).

Profile

• Graduate in telecommunications, industrial or electronics engineering.
• 1 to 3 years of minimum related experience (development of related personal projects will be considered as experience).
• Experience in embedded software development (C/C++, Python).
• Experience in the development of firmware for low power consumption devices.
• Experience working on Git
  Hub or other code repositories.
• Personal software related projects.
• Full professional proficiency in English.
• Educational MSc level.

Why FOSSA?

FOSSA is a fast growing, revolutionary and dynamic company that works every day to find the latest technology on the market and make wonderful and functional things with it. We trust each and every one of our employees and give them the space to contribute ideas, to grow, to investigate, to try and learn from their mistakes. We are a company that believes in equal opportunities, all applications will be considered and no discrimination for any reason will be tolerated.

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. In ADENTIS, we focus on PEOPLE. This is our emotional salary:

• Great Work-Life balance;
• Very flexible organizational routine;
• Health benefits (for you and your family);
• Team Building activities;
• Over 300 protocols to offer you great discounts in different areas;
• Continuous professional development sponsored by our Training and Certification Department;
• Regular feedback on your performance through a personalized plan;
• Comprehensive career plan and progression involving assertive performance reviews.

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 project’s team lead is aware of risks, dependencies/blockers, mitigation efforts, and any business impact, communicated in a clear and structured way.
• 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.

Requirements

• 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, message queuing, and Scrum tools/methodology.
• Excellent communication skills; resilient and goal‑oriented.
• Technology‑driven and motivated 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.

Nice to Have

• Cloud experience (e. g. , Azure, AWS, or GCP).

If you want to be part of a real People First organization, join us! Send your CV to …