Software Developer (Java)

Lisbon, Portugal

Senior (4-6 Years)

Hybrid

English Required Portuguese Required Not Accepting Candidates Living Abroad

Optical networking and telecommunications technology company with an engineering presence in Portugal. The team works on backend software components for large-scale networking and telecommunications systems, building services that need to be reliable, scalable, and performant.

What you will do

Design and develop backend software components using Java and object-oriented principles.
Work with data structures and multi-threaded programming to build efficient, scalable services.
Implement and integrate database-driven features using SQL and related concepts.
Collaborate with cross-functional teams across different environments and cultures.
Contribute to APIs and event-driven integrations using REST and messaging technologies.
Participate in code reviews and follow best practices for software quality and maintainability.

Location and work model

Hybrid (2 days/week in the office, Lisboa)

Java
Object Oriented Programming
Data Structures
Multithreading
Database concepts (SQL)
English C1
Portuguese

Nice to have

REST and Event Driven Architecture (e.g. Kafka, NATS)
Python
MongoDB / NoSQL
Docker and Kubernetes
AWS or other cloud platforms
Network technologies (e.g. Ethernet, IP, DWDM)

We connect IT professionals with projects that match their skills, professional experience, and goals, then we offer a career progression program, delivered by in-house specialists - our People Experience Partners - to guide them through our journey with us.

What we offer:

A project that matches your skills and ambitions, as well as your preferences for working policies and culture.
A competitive salary with awesome benefits and opportunities to leverage your knowledge and network to earn additional income.
An empowering and respectful work culture enriched with social and learning events.
A People Experience Partner specially assigned to you - your go-to career guide, responsible for supporting your growth, facilitating training, and ensuring your work-life balance at KWAN.

At KWAN, they make sure that I feel comfortable with the client I’m working for and that what I’m doing aligns with my career aspirations.

Luis Caldeira, DevOps @ KWAN

At KWAN, I’m given the space to be myself and do what I love. I have control over the projects I work on, as well as the direction of my career.

Pedro Fonseca, Front End Developer @ KWAN

I see my People Experience Partner as someone who is always available to provide me with motivation and constant feedback, which helps me be sure that I am in the right place.

Josimar dos Reis, Software Developer @ KWAN

I know that I’ve contributed to the growth of a company that truly values a “people first culture”, because my ideas, experiences, and individuality were always appreciated.

João Nascimento, Software Developer (KWAN Alumni)

My two years at KWAN were an incredible experience! From the start, I was welcomed into a warm and collaborative environment where I felt truly supported.

Laís Ortiz, Software Developer @ (KWAN Alumni)

Grab this opportunity, apply now!