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Salary
≈ $82k – $206k per year (Estimated)
Location
Remote (likely Sri Lanka)
Seniority
Senior
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 17, 2026. First seen by Alion on Oct 15, 2026.

Overview
Company
Impact
Profile match

99X

99X provides product engineering and digital innovation services. Its teams build software for Nordic and European technology companies. The company is known for a strong engineering culture.

This is a remote position.

We are looking for a Senior Full Stack Engineer to join our team and contribute to the development of modern enterprise applications across both frontend and backend domains.

In this role, you will work across the full technology stack, with a particular focus on frontend development while maintaining strong ownership of backend services and integrations. You will collaborate with multidisciplinary teams to deliver scalable, high-quality solutions and contribute to technical decisions, software architecture, and continuous improvement initiatives.

The role combines frontend engineering, backend development, and modern software engineering practices, with a strong focus on Angular, Java, and enterprise application development.

Responsibilities

  • Design, develop, and maintain full-stack enterprise applications
  • Build modern frontend applications using:
    • Angular
    • TypeScript
  • Develop and maintain backend services and APIs using:
    • Java
    • Spring Boot and/or Quarkus
  • Design and implement RESTful APIs and integrations with internal and external systems
  • Develop and optimize data models and database interactions
  • Contribute to software architecture decisions and technical design discussions
  • Implement features independently across the full technology stack
  • Ensure code quality through:
    • Clean code principles
    • Automated testing
    • Peer reviews
  • Collaborate with distributed Agile teams to deliver high-quality solutions
  • Contribute to continuous improvement initiatives and engineering best practices

Requirements

  • Strong experience with:
    • Angular
    • TypeScript
  • Strong backend development experience using:
    • Java
    • Spring Boot, Quarkus, or similar frameworks
  • Experience developing and integrating:
    • REST APIs
  • Solid understanding of:
    • SQL
    • Relational database concepts
  • Hands-on experience with:
    • PostgreSQL or similar relational databases
  • Strong understanding of:
    • Software architecture
    • Clean code practices
    • Automated testing
  • Ability to independently design and implement features across the full technology stack
  • Experience working with complex enterprise applications
  • Strong analytical and problem-solving skills
  • Ability to take ownership of tasks and proactively propose solutions
  • Experience working in Agile and distributed teams
  • Strong communication skills in English

Nice-to-have

  • Experience with:
    • Kubernetes
    • GitLab CI
    • Argo CD
  • Knowledge of:
    • Authentication and authorization concepts
  • Experience with cloud-native deployment environments
  • Familiarity with DevOps practices and CI/CD pipelines
  • Experience contributing to technical mentoring, architecture discussions, and code reviews

If this sounds like you, share your CV with us and let’s talk!

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