Senior Full Stack Engineer (Consultant)

About the Role

Were looking for a senior engineer who can hit the ground running in complex client environments and bring both technical depth and delivery ownership to the table. Youll be embedded with clients across fintech insurance SaaS and enterprise software leading backend architecture driving frontend quality and mentoring the engineers around you.

This is a hands-on role. We need someone who writes production code makes architectural calls and communicates trade-offs clearly to both engineers and stakeholders.

What Youll Do

Design and build scalable cloud-native applications using TypeScript and React

Architect backend services using NestJS GraphQL and microservices patterns on AWS

Lead database design and optimization across PostgreSQL and Redis

Drive CI/CD pipelines containerization (Docker Kubernetes) and cloud deployments

Work across async messaging layers (Kafka SQS) in distributed system contexts

Build and maintain real-time communication features using WebRTC and peer-to-peer protocols

Consult directly with client engineering leads on architecture and delivery strategy

Collaborate across US and Nordic client teams navigating time zones communication styles and delivery expectations

Mentor mid-level engineers and contribute to technical standards across the team

What Were Looking For

5 years in full stack development with a polyglot background (TypeScript/JavaScript C#/.NET SQL)

Strong command of backend frameworks particularly NestJS

React expertise at scale including performance optimization and component architecture

Solid AWS depth: Lambda S3 EC2 RDS SQS and ideally ECS or EKS

Hands-on experience with WebRTC and real-time communication systems in production

Proven track record working with US-based clients or teams in an embedded or consulting model

Familiarity with Nordic engineering culture and workplace norms direct communication flat hierarchies delivery autonomy

Comfort owning delivery in a consulting or embedded team model not just executing tickets

Clear written and verbal communication especially with non-technical stakeholders

Nice to Have

Experience building AI-powered features or integrating LLM APIs (OpenAI Anthropic LangChain/LangGraph)

Familiarity with agentic development workflows or spec-driven delivery approaches

C#/.NET background for legacy system contexts

Prior exposure to regulated industries such as insurance fintech or telecom

Why This Role

Youll work across real product teams not just maintenance accounts. We run lean embedded teams with clear accountability and we give experienced engineers room to shape how work gets done not just what gets built. Our client base spans the US and Nordics so youll bring cross-market perspective that most candidates simply dont have.