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Montash

Lead Fullstack Developer

Remote

United kingdom

Senior

Freelance

11-02-2026

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Skills

Communication Leadership Java TypeScript SQL CI/CD DevOps Docker Jenkins Test Databases react AWS Agile Junit Spring Spring Boot Gradle Kafka PostGres

Job Specifications

Job Title: Lead Fullstack Developer

Clearance Required: SC Clearance

Location: UK (Remote)

Contract Length: 12 Months (with scope to extend)

Role Overview

We are seeking an experienced Lead Fullstack Developer to join a high-profile programme within a secure environment. This role requires active SC Clearance.

You will lead a team of senior and mid-level engineers while remaining hands-on across the full technology stack. The position combines technical leadership, architectural input, and close collaboration with cross-functional stakeholders.

Key Responsibilities

Lead and mentor a team of fullstack engineers
Contribute hands-on across backend and frontend development
Design and deliver scalable, secure Java-based services
Collaborate with product, delivery, and non-technical stakeholders
Promote engineering best practices including TDD and CI/CD
Support DevOps processes and cloud-native deployment in AWS
Contribute to architectural decisions and technical direction

Essential Skills & Experience

Strong Java experience (Spring Boot)
Experience with relational databases (Postgres or similar SQL databases)
Docker and containerised application deployment
Test-driven development (JUnit, Mockito or equivalent frameworks)
CI/CD pipeline tooling (Jenkins or similar)
Experience working within Agile delivery teams
Strong communication skills and ability to lead technical teams

Desirable Experience

API specifications (Swagger / OpenAPI)
Gradle
Liquibase
Kafka
React
TypeScript

About the Company

Since 2004, The Montash Group have worked to scale leading tech teams across the globe. Offering four unique service areas, the Montash Group are your specialists in niche tech requirements. We operate industry agnostic while supporting organizations of all sizes. Montash's core offering is local sourcing and placing freelance and/or permanent specialists for your tech teams. Operating on a remote-first approach, Remobi augments existing or new tech teams nearshore and our in- house solution teams provide consultation and E2... Know more