Lead Developer with React

Cavendish Professionals
Full-time Helsinki, Uusimaa Other-General
Posted:
February 27, 2026
Location:
Helsinki, Uusimaa, Finland

Job Description

Our client works on very challenging and exciting projects and is looking for a Lead Developer + React)
Skills and Experience:
10+ years of back-end development experience.
Expertise in building distributed systems at scale using microservices and event-driven architectures.
Experience with and back-end integration patterns (API routes, server-side logic).
Knowledge of MongoDB (Document DB) including schema design, indexing, and performance optimization.
Deep familiarity with RESTful APIs and GraphQL, including security and query performance tuning.
Hands-on experience with Azure cloud services, especially Azure Service Bus and Event Hub.
Experience with GenAI tools integrated into SDLC workflows (e.g., code assist, documentation, analysis).
Strong understanding of non-functional requirements (NFRs) such as performance, reliability, and observability.
Proficient with CI/CD pipelines, GitHub workflows, and Trunk-Based Development in a monorepo setup (e.g....

Apply for this Job

Submit your application for the Lead Developer with React position at Cavendish Professionals.

Apply Now Save for Later

Job Overview

Job Type: Full-time
Location: Helsinki, Finland
Posted: February 27, 2026
Deadline: April 08, 2026