Senior Software Engineer — Node.js / Serverless Cloud & API Integrations

Job title:

Senior Software Engineer — Node.js / Serverless Cloud & API Integrations

Company

HR-ON

Job description

Do you want to help shape a modern, scalable HR platform used by organisations worldwide?
At HR-ON we’re looking for a Senior Backend Software Engineer who enjoys building cloud-native services, optimising data workflows, and—yes—crafting solid API integrations … but treats these as just one part of a varied engineering role.What You’ll DoDesign and build core backend services in Node.js & TypeScript running on AWS serverless infrastructure (Lambda, API Gateway, SQS, etc.).Model and optimise data in PostgreSQL and MariaDB, ensuring performance and reliability at scale.Develop and maintain GraphQL & REST endpoints that power our own product features and partner integrations.Evolve the platform architecture for resilience, observability, and easy maintenance.Automate CI/CD pipelines with GitLab and champion clean-code practices through code reviews and pair-programming.Collaborate with product, frontend, and DevOps peers to deliver end-to-end features that delight our users.API and third-party integrations remain important, but they sit alongside core service development, data engineering, and architectural work.About YouYou’re an experienced engineer who:Writes production-grade Node.js/TypeScript and understands modern serverless patterns.Knows your way around SQL—from schema design to complex query optimisation.Has built GraphQL or REST services and integrated external systems, even if integrations aren’t your sole focus.Uses GitLab (or similar) for version control, CI, and automated tests.Thinks in terms of scalable, maintainable architecture and values knowledge-sharing with teammates.Bonus PointsAWS infrastructure-as-code (CDK, Terraform, CloudFormation).Bash/Zsh scripting on *nix systems.A fondness for type-safe, declarative coding styles (e.g. fp-inspired TypeScript).We don’t expect you to tick every box—curiosity and a growth mindset matter most.Why HR-ONHigh autonomy & influence over tech choices and ways of working.Value-based self-management—trust, transparency, and flexibility come first.Central Odense office with remote options; we still value regular in-person collaboration.50 passionate colleagues across Denmark, Germany, Norway, and Japan, united by a flat structure and meaningful work.How to ApplyWe assess applications continuously – apply online today, ideally with code samples or project links.Questions?Ali E. Cevik, CEO: +45 71 99 07 65 |Rune Veerasawmy, Lead Technology Strategist: +45 48 88 30 63 |We look forward to hearing from you!Work location : Odense C
Application deadline : As soon as possible

Expected salary

Location

Odense, Syddanmark

Job date

Sat, 28 Jun 2025 03:44:32 GMT

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