Senior Developer - DLT Platform

Sector: Fintech / Asset Management Technology Location: Luxembourg Contract: Full-time, Permanent (CDI) Platform: Distributed Ledger Technology (DLT), Cloud-Native Infrastructure

THE ROLE

You will design, build, test, and deploy scalable, resilient software on a DLT-based platform, owning backend services and blockchain integration with clean, maintainable code.

Key responsibilities:

• Shape architecture for new services and platform enhancements

• Drive best practices: CI/CD, automated testing, code reviews, Agile delivery

• Mentor junior developers and support the full product lifecycle, from concept to production

• Connect legacy systems to modern platforms via APIs

REQUIRED EXPERIENCE

• 10+ years in professional software development, including 3+ years in a lead developer role

• Strong grounding in distributed systems, microservices, and API design

• Agile/Scrum experience

• Fluent English; French is a plus

• Right to work in Luxembourg

TECHNICAL STACK

• Languages: Go, Java, Node.js, or Python

• DLT / Blockchain: Ethereum or permissioned platforms (e.g., Consensys Quorum) a strong asset

• Cloud: Microsoft Azure preferred

• APIs: RESTful and event-driven services

• Containers: Docker, Kubernetes

• Databases: SQL and NoSQL

• IaC / CI-CD: Terraform, Ansible

• Nice to have: SWIFT, SFTP, or FIX connectivity experience