-
TechTree

Full Stack Engineer

TechTree
United Kingdom Β· Full-time Β· Mid-Senior

Our client is a technology company building robust, scalable systems, comparable to leaders like MongoDB and HashiCorp. They are at an early stage and need a senior fullstack engineer to design and implement new products from the ground up. This role exists to drive architecture and hands-on development without reliance on established frameworks, targeting candidates who thrive in ambiguity and autonomy.


Priority will be given to candidates with the right to work in the UK.


πŸ”§ Core expectation (what they really want)

A senior-level systems engineer (7+ years) who can:

  • Build backend + frontend systems end-to-end
  • Design distributed systems and architecture from scratch
  • Make independent technical decisions without frameworks
  • Work in high ambiguity, early-stage environment
  • Own product development from concept β†’ production


Critical requirements

Go is mandatory and central to the role. We are specifically looking for someone who:

  • Has deep production Go experience
  • Builds scalable backend systems in Go
  • Understands Go in the context of: microservices, APIs, system design, cloud-native infrastructure
  • Can use Go as the primary systems language, not just secondary tooling

πŸ‘‰ If you don’t have strong Go in production, you are automatically filtered out.


Technical scope

You are expected to work across the full stack:

Backend (primary focus)

  • Go-based microservices
  • APIs and distributed systems
  • Databases (SQL + NoSQL)
  • Cloud infrastructure

Frontend (secondary but required)

  • Ability to build interfaces when needed
  • Not necessarily deep frontend specialization, but full ownership expected

Systems level

  • Architecture design
  • Performance optimization
  • Scalability decisions
  • Technology selection (no rigid stack)


πŸš€ Ideal candidate profile has

  • Built 0β†’1 products in startups
  • Worked without rigid frameworks
  • Golang hands-on experience
  • Shipped systems independently end-to-end
  • Strong polyglot engineering ability
  • Experience choosing and integrating technologies into production
  • Comfortable in remote EU-based distributed teams


🟒 Strong signals (green flags)

  • Built products from scratch in early-stage startups
  • Designed system architecture independently
  • Deep Go production experience
  • Experience with distributed systems / microservices
  • Strong autonomy + ownership mindset
  • Has shipped real production systems, not just internal tools


Compensation & benefits

Salary to be discussed DOE + Equity 0.1–0.25% equity Perks

Opportunity to shape architecture and technology from day one Collaborative, hands-on work

environment.

Key Skills

Ranked by relevance

microservices cloud sql
Login to Apply
Posted
May 09, 2026
Type
Full-time
Level
Mid-Senior
Location
United Kingdom
Company
TechTree

Industries

IT Services IT Consulting

Categories

Information Technology

Related Jobs

3 roles aligned with this opportunity

View all jobs
View Job Details
STACKIT
Related

Fullstack Engineer (m/w/d) - Android & Kotlin

2026-05-22

Full-time
Not Applicable
Germany
IT Services
Engineering
View Job Details
Atruvia AG
Related

System Engineer/Site Reliability Engineer (m/w/d)

2026-06-09

Full-time
Not Applicable
Germany
IT Services
Engineering
View Job Details
Thinkport GmbH
Related

DevOps Engineer (all genders)

2026-05-29

Full-time
Associate
Germany
IT Services
Information Technology