
Full Stack Engineer
Job Description
Posted on: October 29, 2025
The current staffing model is broken, with low wages and limited opportunities. As flexible work continues to grow, we’re taking a radically different approach: providing job seekers with control, ownership and choice, so employees can find the working patterns and scenarios to suit their lifestyles. In doing so, we aim to revolutionise the industry.
After demonstrating our approach throughout the UK under the Syft brand, we were acquired by Indeed.com in 2019 and we rebranded to Indeed Flex in 2020. With continued independence and phenomenal levels of support we’ve been able to accelerate our mission as we expand throughout the US as well as the UK.
Project Objectives
The Flexer Marketplace group connects our Flexers to our employer clients, for short and long-term assignments. We are responsible for getting the best flexers we can as quickly as we can to meet the shift opportunities of our clients.
Flex is primarily a Ruby monolith and as we align more tightly to Indeed systems and platforms we’re looking for capable staff-level lead engineers to execute on a rolling transformation towards Indeed ecosystems leveraging Java, Python and Rust.
Scope of work_Outside IR35 - Remote UK - 12 months - Market Daily Rates_
Work with Flexer Marketplace teams and with wider Flex and Indeed teams to achieve a safe feature-by-feature decommission of our Ruby monolith. Analyse each nominated feature with our embedded product teams to propose and evaluate safe but aggressive extraction strategies that align with our business and engineering priorities and follow our engineering best practices. Then, own and drive the implementation of that extraction to achieve a seamless transition and resolve technical debt.
Deliverables
- Own and lead on discrete areas of Rails monolith decommission as we move towards non-Ruby ecosystems, resulting in smooth transition and feature minimisation as you follow best practice engineering
 - Identify, drive and support broader engineering efforts that facilitate the effective decommission efforts across multiple teams
 - Ensure comprehensive test suite including integration tests and e2e testing with our existing mobile app testing infrastructure
 - Documentation for system architecture, API specifications, and deployment procedures
 - Performance monitoring and observability tools for system reliability
 
Skills Required
Technical Skills:
- Advanced Java development experience
 - Significant Python or Rust experience
 - Significant Ruby on Rails experience
 - Experience leveraging coding agents to reduce delivery time and maintain output quality
 - RESTful API and GraphQL development
 - Database design and optimisation (MySQL, Redis)
 - React frontend development experience
 
Soft Skills:
- Strong collaboration abilities
 - Problem-solving and technical debt assessment
 - Cross-functional communication with product and engineering teams
 - Leadership in technical decision-making and architecture design
 - Leadership in engineering project execution
 - Operate independently or leading small teams
 
Indeed Flex is an Equal Opportunities Employer. We welcome applications from all qualified candidates, valuing diversity and committed to fair treatment for everyone, in accordance with the Equality Act 2010.
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