Staff Full Stack Engineer (Contract) | Rust And Java (Primary) | React And Python (Secondary) | Full

Owen Thomas | B Corp
Zaragoza, Spain
9 days ago
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Role details

Contract type
Temporary contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours

Tech stack

Java (Programming Language) Application Programming Interfaces (APIs) Python (Programming Language) Software Architecture Ruby Systems Integration ReactJS Backend Front End Software Development

Job description

Staff Full stack Engineer (Contract) Rust and Java (Primary) React and Python (Secondary) Fully Remote (EU-based) £***/day Outside IR35 12-month contract The Opportunity We’re supporting a fast-scaling, globally distributed tech business that is evolving its backend architecture and investing heavily in performance, scalability, and long?term platform direction.They’re looking for a Senior Full stack Contractor with strong Java and/or Rust experience to help shape and build the next generation of backend services.Rust is particularly relevant to where the platform is heading, though Java remains important.On the frontend, the team works with React, and there is existing exposure to Ruby and Python, where a working, mid?level understanding is beneficial rather than core.This is a high?impact, long?term contract within an experienced engineering team, ideal for a contractor who enjoys working close to product and infrastructure while influencing technical direction.What You’ll Be Doing Staff Full stack Engineer (Contract) Rust and Java (Primary) React and Python (Secondary) Fully Remote (EU-based) £***/day Outside IR35 12?month contract Designing and building high?performance backend services using Java and/or RustContributing to architectural decisions as the platform evolves toward more systems?level and performance?focused solutionsWorking alongside frontend engineers using React to deliver end?to?end featuresSupporting and integrating with existing services written in Ruby and PythonCollaborating with product, platform, and infrastructure teams to scale critical systemsDriving best practices around clean architecture, performance, reliability, and securityCore Skills & Experience Staff Full stack Engineer (Contract) Rust and Java (Primary) React and Python (Secondary) Fully Remote (EU-based) £***/day Outside IR35 12?month contract Senior?level backend engineering experience in Java and/or Rust (production systems)Strong understanding of scalable backend architecture, APIs, and distributed systemsExperience working in cloud?native environmentsContractor mindset: able to onboard quickly, communicate clearly, and deliver value fastStrongly Preferred Commercial experience with Rust, or a clear desire to work more deeply with itExperience working alongside React frontend teams (hands?on or close collaboration)Nice to Have Mid?level exposure to Ruby or Python (not required to be expert?level)Experience working on systems at scale or within high?growth environmentsContract Details Staff Full stack Engineer (Contract) Rust and Java (Primary) React and Python (Secondary) Fully Remote (EU-based) £***/day Outside IR35 12?month contract Contract Type: LTD Company (UK) / B2BLocation: Fully remote (EU?based required for legal and timezone reasons)Duration: 12 months, with strong extension potentialStart Date: ASAPIf you’re a Full stack Engineer contractor with a strong Java or Rust background, looking for a long?term, high?impact Full stack role in a team that’s moving toward modern, performance?focused architecture, we’d love to hear from you.#J-*****-Ljbffr

Requirements

systemsDriving best practices around clean architecture, performance, reliability, and securityCore Skills & Experience Staff Full stack Engineer (Contract) | Rust and Java (Primary) | React and Python (Secondary) | Fully Remote (EU-based) | £**/day | Outside IR35 | 12?month contract Senior?level backend engineering experience in Java and/or Rust (production systems)Strong understanding of scalable backend architecture, APIs, and distributed systemsExperience working in cloud?native environmentsContractor mindset: able to onboard quickly, communicate clearly, and deliver value fastStrongly Preferred Commercial experience with Rust, or a clear desire to work more deeply with itExperience working alongside React frontend teams (hands?on or close collaboration)Nice to Have Mid?level exposure to Ruby or Python (not required to be expert?level)Experience working on systems at scale or within high?growth environmentsContract Details Staff Full stack Engineer (Contract) | Rust and Java (Primary) | React and Python (Secondary) | Fully Remote (EU-based) | £**/day | Outside IR35 | 12?month contract Contract Type: LTD Company (UK) / B2BLocation: Fully remote (EU?based required for legal and timezone reasons)Duration: 12 months, with strong extension potentialStart Date: ASAPIf you’re a Full stack Engineer contractor with a strong Java or Rust background, looking for a long?term, high?impact Full stack role in a team that’s moving toward modern, performance?focused architecture, we’d love to hear from you. #J-*****-Ljbffr

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