Senior Software Engineer

Nixor; Remote; GBP 125,000 - 150,000; Full time

Job summary

A technology consultancy is seeking a Senior Software Developer to enhance its ongoing digital project. The role involves full stack development across frontend and backend components, focusing on improving reliability and maintainability rather than on new features. Candidates must have SC Clearance or BPSS. The position offers a contract outside IR35 with a daily rate between £550 and £650, primarily remote with occasional travel required.

Qualifications

• MUST HAVE SC Clearance OR BPSS Minimum.
• Experience in full stack development required.
• Knowledge of Kotlin, Spring Boot, TypeScript, and Express.js necessary.

Responsibilities

• Develop, maintain, and enhance frontend applications.
• Build and refine backend services using Kotlin and Spring Boot.
• Implement automated testing for UI and backend components.

Skills

Full stack development

Technical debt reduction

Automated testing

Kotlin

TypeScript

Express.js

Job description

Job Description

Senior Software Developer

Contract - OUTSIDE IR35

6 Months (3 year project)

Location : UK Remote, Occasional travel

MUST HAVE SC Clearance OR BPSS Min

Rate - £550 - £650

A technology consultancy is seeking a Senior Software Developer to join an ongoing digital project and provide additional engineering capacity. The successful candidate will work across the full stack, with responsibilities spanning frontend, backend, infrastructure, and automated testing. This role focuses on production hardening, technical debt reduction, and improving the reliability and maintainability of the service rather than feature-heavy delivery.

Key Responsibilities

• Develop, maintain, and enhance frontend applications using Express.js, TypeScript, templating systems, and a shared design system.
• Build, integrate, and refine backend services written in Kotlin using Spring Boot, including interactions with internal and external APIs.
• Implement comprehensive automated testing for both UI and backend components, championing TDD principles.
• Improve system stability by addressing technical debt, strengthening production readiness, and supporting operational needs.

Contribute to infrastructure work ...