Freelance Software Engineer

Role: Fullstack Engineer (Backend‑Oriented Focus)

• Location: Helsinki (1 day per week on-site)
• Duration: 12 months (extension options available)
• Employment type: Full-time (160 hours /pm)
• Contract type: B2B Freelance
• Note: Must be able to work on-site in Helsinki

Responsibilities:

• Build and evolve personalisation microservices and APIs
• Integrate backend systems with AWS
• Implement tracking, consent, and data‑quality practices
• Design and optimise modern, high‑load APIs for performance and resilience

Requirements:

• Strong backend engineering skills using Node.js/TypeScript or Java/Spring
• Experience with AWS and microservices architectures
• Solid REST API design and implementation experience
• Knowledge of observability and monitoring best practices (logging, metrics, alerting)

Bonus points for:

• Salesforce ecosystem familiarity
• Recommendation systems or personalisation engine experience
• Experience with their tech stack: AWS CDK, Docker, Angular

Soft Skills

• A collaborative mindset (work closely with frontend, data, Salesforce, and product teams)
• Product‑driven thinking (understanding why features matter, not just how)
• Strong commitment to data quality and its impact on personalisation
• Proactive problem‑solver who spots issues early and takes ownership
• Curiosity and willingness to learn and share what you learn with the team

Technical Stack

• Frontend: Angular, TypeScript/JavaScript, HTML5, CSS3, Sass
• Backend: AWS CDK, Microservices, Docker, Node.js, TypeScript, Java, Spring, Akamai
• CI/CD & Test Automation: CodeBuild, CodePipeline, Playwright, JUnit, Jest
• Monitoring: AWS CloudWatch, Datadog, Sentry
• Tools / IDE: Your choice — GitHub Copilot included