# Full Stack Engineer

**Company:** [Mark43](https://hotfix.jobs/companies/mark43)
**Location:** Manchester, United Kingdom
**Role:** Fullstack Engineering
**Salary:** £30k – £80k/yr
**Skills:** React, TypeScript, Java, Spring Boot, JavaScript, MySQL, GraphQL, AWS, Kubernetes, Argo Cd, Terraform, Datadog, Claude Code
**Posted:** 2026-06-26

> Builds end-to-end software for police custody systems, working across React, TypeScript, Java, Spring Boot, GraphQL, MySQL, and AWS. The role suits a collaborative engineer interested in AI-assisted development and production-quality systems.

## Job Description

## Responsibilities
- Build full-stack software for UK police custody suites, owning features end-to-end from database migrations to user interfaces.
- Develop workflows spanning GraphQL schemas and React components.
- Investigate production issues using Datadog traces and logs, and deliver fixes.
- Collaborate with teammates to solve state-management and other application problems.
- Build agentic development workflows to automate pull-request reviews and engineering reporting.
- Write database migrations and integration tests for load-related behavior.
- Review pull requests and identify potentially unintended application impacts.
- Participate in biannual hackathons and prototype new ideas.

## Technology Stack
- React
- TypeScript
- Java
- Spring Boot
- MySQL
- GraphQL
- AWS
- Kubernetes
- Argo CD
- Terraform
- Datadog
- Claude Code

## Requirements
- Professional software engineering experience, or a computer science degree with internship experience for graduate roles.
- Experience with at least part of the stack, including Java, JavaScript, TypeScript, React, or MySQL.
- Curiosity about AI-assisted development tools such as Claude Code.
- Clean, maintainable coding practices.
- Strong collaboration and communication skills.
- Authorization to work in the UK; visa sponsorship is not available.
- Ability to complete Non-Police Personnel Vetting (NPPV) security clearance up to level 3, if required.

## Compensation and Benefits
- Target base annual salary: **£30,000–£80,000**, plus bonus opportunity, company stock options, and benefits.
- 28 days of holiday plus UK bank holidays.
- Private medical, dental, and vision insurance through AXA Health and BUPA for employees and dependents.
- 18 weeks of paid parental leave for primary caregivers, plus a ramp-back programme.
- Income protection at 75% of salary and death-in-service cover at four times salary.
- Nest pension with a 3% employer contribution.
- Gym reimbursement for employees and partners.
- Home-office equipment allowance.
- Claude Code Enterprise and ChatGPT Enterprise licences.
- Spring Health membership with covered therapy sessions and mental wellness tools.
- Paid sabbatical of one month after five years.
- Biannual hackathons and a learning budget.

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