At Nexer, we are a modern tech company with roots in Sweden and a global presence. We believe that technology can make the world a better place, and our people are at the heart of everything we do. We help our clients drive digital transformation through innovation, expertise, and long-term partnerships.
As part of our growing international team, you will have the opportunity to work on exciting projects, collaborate with skilled professionals across the globe, and contribute to solutions that have a real business impact.
About the RoleWe are looking for a DevOps FullStack Associate Software Engineer to join an international aviation project. The ideal candidate will have solid experience in Java development, modern software engineering practices, and DevOps environments. You will be involved in the full software development lifecycle, from design and implementation to deployment and support of business-critical applications.
ResponsibilitiesDesign, develop, and maintain Java-based enterprise applications.
Build and enhance microservices and RESTful APIs.
Develop frontend functionality using JSP, HTML, CSS, and JavaScript.
Participate in DevOps processes and CI/CD pipeline activities.
Write and optimize SQL queries for relational databases.
Implement integrations using JMS, Message Queues, and Kafka.
Follow Test-Driven Development (TDD) practices.
Ensure compliance with secure coding standards and OWASP guidelines.
Collaborate with architects, developers, QA engineers, and business stakeholders.
Support continuous improvement and modernization initiatives.
Java 8+
Object-Oriented Design and Development
Microservices Architecture
Persistence API and Hibernate 4+
JSP, HTML, CSS, JavaScript
Maven and Git
CI/CD and DevOps practices
Test-Driven Development (TDD)
Spring Boot and Java EE
Database technologies
JMS, Message Queues, Kafka
REST API development and consumption
JSON and XML processing
AI-assisted development tools (nice to have)
SQL query development
CI/CD pipelines
REST APIs and JSON
Apache POI for XLS processing
Jira or similar tools
OWASP Top 10 and secure coding practices
Java 8+
Spring Boot
Java EE
Hibernate
Microservices
REST APIs
JMS / Kafka
Maven
Git
Bamboo
SQL
MS SQL Server
Oracle Database
JSP
HTML
CSS
JavaScript
JSON / XML
4-10 years of software development experience.
Strong backend development expertise in Java.
Experience working in agile and DevOps environments.
Ability to deliver high-quality, secure, and maintainable code.
Strong communication and collaboration skills.
Proactive mindset and problem-solving attitude.
Located in Czechia
Exciting international aviation project.
Collaboration with experienced engineers and architects.
Flexible working environment.
Opportunities for professional growth and continuous learning.
Modern technology stack and DevOps culture.
Supportive and inclusive company culture.
Location: Remote / Hybrid
Experience: 4-10 years
Technology Focus: Java, Full Stack Development, DevOps, DevSecOps, Microservices, CI/CD
At Nexer, competence and quality matter more than scale. We work with some of the world’s leading brands and offer our consultants exciting, impactful assignments.
You’ll be part of a culture built on trust, expertise, and continuous development — with the freedom to grow your skills and influence your own path.
If this sounds like the right opportunity for you, we would be delighted to meet you.
Apply today — your promising future might start here.
Skills Required
- 4-10 years of software development experience
- Java 8+
- Object-Oriented Design and Development
- Microservices architecture
- Persistence API and Hibernate 4+
- JSP, HTML, CSS, JavaScript
- Maven and Git
- CI/CD and DevOps practices
- Test-Driven Development (TDD)
- SQL query development (MS SQL Server, Oracle)
- Experience with REST APIs and JSON/XML
- Integrations using JMS / Message Queues / Kafka
- Knowledge of OWASP Top 10 and secure coding practices
- Located in Czechia
- Spring Boot and Java EE
- AI-assisted development tools
- Apache POI for XLS processing
What We Do
Nexer Group is a global tech company and full-service provider that drives technological development and digitalization for businesses and society. Formerly known as Sigma IT, the company leverages expertise in strategy, technology, and communication to deliver cutting-edge services in artificial intelligence, innovation, IT, and R&D, helping clients navigate digital transformation with a vision of building a promising future.








