Join a high-profile central government engagement delivering essential public services. You will work across the full stack (65% backend) using Java, Spring Boot, and React.js within an agile, multidisciplinary team. This role is about sustainable change, building long-term capability for major UK departments like MHCLG while driving modern engineering best practices.
Back to all jobs
Find a job withJack
This job is no longer actively hiring. Open Roles to see active jobs.
United Kingdom Wide, UK£50K - £65K
Senior Software Engineer - Fullstack at TPXimpact
Are you a Java expert who genuinely enjoys frontend work and wants to make a tangible impact on UK public services? TPXimpact is hiring Senior Fullstack Engineers to lead high-profile digital transformations for major government departments. You’ll work with a modern stack of Java, Spring Boot, and React.js while enjoying 30 days of holiday and a culture that prioritizes people-powered transformation over profit. If you're SC-eligible and ready to build sustainable digital solutions that actually matter, this B Corp certified consultancy offers the perfect blend of purpose and technical challenge.
Overview
Role overview
Company
TPXimpact
Consulting
TPXimpact - B Corp certified digital transformation consultancy
Responsibilities
What you will do
- Design and deploy robust microservices using Java and Spring Boot while owning frontend features in React.js.
- Mentor junior engineers and lead code reviews to maintain high standards across CI/CD pipelines and containerised environments.
- Collaborate with non-technical stakeholders to translate complex requirements into scalable, secure-by-design architectural solutions.
Candidate profile
Who this is a fit for
- Proven production experience with Java, Spring Boot, and modern frontend frameworks like React.js.
- Strong background in DevOps practices including Docker, Kubernetes, and Infrastructure as Code on AWS, Azure, or GCP.
- Must be a UK resident for 5+ years to meet SC-clearance eligibility and possess excellent client-facing communication skills.
What makes it remarkable
Why this role is remarkable
- Impact-driven work where your code directly improves the lives of citizens through large-scale public sector modernisation projects.
- Join a mission-led B Corp that values sustainable change over "body-shopping," recently securing a £19m contract for planning system transformation.
- Exceptional benefits package including 30 days holiday, a personal L&D budget, and access to equity through a Share Incentive Plan.
Jack & Jill
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 14 million jobs daily and introduces you directly to hiring managers.
How does this work?
Jack's an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack's network.
If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.
Jack