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Staff Backend Engineer

Staff Backend EngineerTeam: Engineering & DataLocation: Depop - LondonCompany DescriptionDepop is the community-powered circular fashion marketplace where anyone can buy, sell and discover desirable secondhand fashion. With a community of over ...

Senior Backend Engineer

Why We ExistEconomic incentives, environmental pressures, and regulatory shifts are driving a global move toward the circular economy. Consumers and businesses are already moving away from rigid ownership models in favour of more flexi ...

Backend Engineer Rails

Why We ExistEconomic incentives, environmental pressures, and regulatory shifts are driving a global move toward the circular economy. Consumers and businesses are already moving away from rigid ownership models i ...

Senior Backend Engineer

The role This is a Senior Backend Engineer position. You'll work across the engineering surface which spans payment orchestration, merchant APIs, settlement flows, internal business services, and the infrastructure that supports them. What you work on will depend on where the team needs you ...

Backend Software Engineer

Join a specialist engineering team delivering mission-critical software for UK National Security. Back-end Software Engineer Location: Hampshire, London, Cheltenham (Hybrid) Clearance: eDV Security Clearance Salary: £55,000 - £85,000 + DV Bonus ...

Senior Backend Engineer

Plexus has partnered with a revenue-generating, all-in-one platform for on-chain trading, trusted daily by tens of thousands of active traders and built for the speed demands of high-frequency Solana trading. They are looking for a Senior Backend Engineer who brings deep DeFi engineering experience and thr ...

Backend Engineer RiskOS

Location United Kingdom - Remote Employment Type Full time Department Tech Why Socure? Socure is building the identity trust infrastructure for the digital economy — verifying 100% of good identities in real time and stopping fraud before it s ...

Backend Software Engineer

Due to an internal promotion we’re looking for a Backend Software Engineer to join our platform engineering team. You will be focused on key business priorities, helping build a successful brand using industry best tools (Golang, Event‑Driven Architecture and AWS Serverless technologies such as Lambda, Eve ...

Backend Engineer (London)

(Mid/Senior/Staff) Backend Engineer – London Please note that the positions are based in London, United Kingdom — relocation and visa support is provided if required. THE BEST WORK OF YOUR CAREER Trade Republic is the largest savings platform in Europe — we operate in 18 countries ...

Platform Engineer (Backend)

The employer is a cryptocurrency launchpad for the Solana blockchain that enables users to create tokens and trade them immediately on the platform, as well as to launch them onto decentralized exchanges. With over 6 million meme coins launched on the platform, it is one of the ...

Staff Backend Engineer

The employer is a cryptocurrency launchpad for the Solana blockchain that enables users to create tokens and trade them immediately on the platform, as well as to launch them onto decentralized exchanges. With over 6 million meme coins launched on the platform, it is one of the ...

Senior Backend Engineer

📝 TL;DRDeducta is a fast-growing startup serving some of the world’s largest and most recognizable companies. We are well funded and actively solving the most pressing business challenges in the modern enterprise.We are looking for a Senior Backend Engineer to be a leader in t ...

Platform Engineer (Backend)

The employer is a cryptocurrency launchpad for the Solana blockchain that enables users to create tokens and trade them immediately on the platform, as well as to launch them onto decentralized exchanges. With over 6 million meme coins launched on the platform, it is one of the ...

Senior Backend Engineer

Why We ExistEconomic incentives, environmental pressures, and regulatory shifts are driving a global move toward the circular economy. Consumers and businesses are already moving away from rigid ownership models in favour of more flexi ...

Senior Backend Engineer

United Kingdom - London Posted: 16/03/2026 Salary: £0.00 to £550.00 per Day ID: 37187_BH Apply OR Senior Backend Engineer6 months initial contractOutside IR35 - Fully remote (UK) We are working with a leading global techn ...

Senior Backend Engineer

Senior Backend Engineer (Platform & Cloud)Location: London (Hybrid)Contract: 6–12 monthsRate: Negotiable (DOE)We’re working with a global enterprise organisation that is expanding a centralised engineering function supporting multiple product teams across an international portfolio.<b ...

Senior Backend Engineer

Our client is a successful tech scale-up, a cash-generative SME currently at c.£10m turnover and c.80 staff, looking to double in size in the next five years under the guidance of its experienced, highly charismatic and driven owner, supported by a first-class senior leadership team including new CEO. We are lo ...

Platform Engineer (Backend)

The employer is a cryptocurrency launchpad for the Solana blockchain that enables users to create tokens and trade them immediately on the platform, as well as to launch them onto decentralized exchanges. With over 6 million meme coins launched on the platform, it is one of the fastest-growing crypto application ...

Staff Backend Engineer

The employer is a cryptocurrency launchpad for the Solana blockchain that enables users to create tokens and trade them immediately on the platform, as well as to launch them onto decentralized exchanges. With over 6 million meme coins launched on the platform, it is one of the fastest-growing crypto application ...

Senior Backend Engineer

Scala Developer London Hybrid - at least once a week in Central London Up to £85,000 DOE + Regular Pay Reviews + Healthcare + Life Insurance + BenefitsExcellent opportunity for a Senior Backend Engineer with strong Scala and functional programming experience to join a small, highly technical ...

Senior Backend Engineer

Senior Backend Engineer (Platform & Cloud)Location: London (Hybrid)Contract: 6–12 monthsRate: Negotiable (DOE)We’re working with a global enterprise organisation that is expanding a centralised engineering function supporting multiple product teams across an international portfolio.<b ...

Senior Backend Engineer

Our client is a successful tech scale‑up, a cash‑generative SME currently at c.£10m turnover and c.80 staff, looking to double in size in the next five years under the guidance of its experienced, highly charismatic and driven owner, supported by a first‑class senior leadership team including new CEO. We are loo ...

Backend Java Engineer

AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies.Our Contingent Workforce Solutions (CWS) is one of our serv ...

Backend Software Engineer

Software Engineer - Java 21, SpringbootUp to £550 per day (Inside IR35)London / Remote6 monthsMy client is an instantly recognisable consultancy who require a strong Backend Software Engineer with deep expertise in Java (Spring Boot) to join a large-scale, business‑critical micros ...

Senior Backend Engineer

Scala Developer London Hybrid - at least once a week in Central London Up to £85,000 DOE + Regular Pay Reviews + Healthcare + Life Insurance + BenefitsExcellent opportunity for a Senior Backend Engineer with strong Scala and functional programming experience to join a small, highly technical ...

Backend Software Engineer

Software Engineer - Java 21, SpringbootUp to £550 per day (Inside IR35)London / Remote6 monthsMy client is an instantly recognisable consultancy who require a strong Backend Software Engineer with deep expertise in Java (Spring Boot) to join a large-scale, business‑critical micros ...

Senior Backend Engineer

Our client is a successful tech scale‑up, a cash‑generative SME currently at c.£10m turnover and c.80 staff, looking to double in size in the next five years under the guidance of its experienced, highly charismatic and driven owner, supported by a first‑class senior leadership team including new CEO. We are loo ...

Backend Java Engineer

AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies.Our Contingent Workforce Solutions (CWS) is one of our serv ...

Senior Software Engineer

Senior Software Engineer (Python) | Hybrid/London | £85,000 + Equity High-growth InsurTech modernising how underwriting and risk decisions are made. This is a key hire as the business scales its core platform, with backend engineering and AI-enabled workfl ...

Backend Software Engineer C# .Net Sports Trading

Backend Software Engineer C# .Net - Sports Trading Experience pay is based on skill and experience. You can learn more by contacting the recruiter. Base pay range Direct message the job poster from Client Server Backend Software Engineer / Developer (C# .Net) London o ...

Junior Java Developer Python, Ruby, Fintech50 in London Quant Capital

Job Opening: Junior Java Developer Location: London Salary: £45,000-50,000 + bonus Quant Capital is urgently seeking a Junior Java Developer to join our high profile client. Our client is an established financial data technology startup, addressing challenges within the ...

Python Desk developer | Energy Trading Desk | £150k | Hybrid, LDN | Perm

Python Desk developer | Energy Trading Desk | £150k | Hybrid, LDN | Perm Python Engineer to work directly on the trading desk for a Global Energy Trading Firm is scaling aggressively into new‑energy markets . They’re looking for a Python engineer who has ex ...

SC Cleared Python Developer AWS £500 IR35 Occasional Office Newcastle

SC Cleared Python Developer - AWS - £500 - IR35 - Occasional office - Newcastle RecOps is partnered with a leading digital consultancy to bolster their existing engineering team with a contract Python Developer with AWS experience and ideally with experience on previous government projects. <p ...

Back End Developer (DV Cleared)

DV Cleared Backend Developer Location: UK Wide Clearance: DV clearance required Sector: Defence & National Security Role Summary Our client is seeking DV cleared Backend Developers to support high impact Defence and Security programmes. You will design, build and opera ...

Full Stack Engineer

This range is provided by intro. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from intro Full Stack Developer - Hybrid (3 days onsite) Permanent - Competitive Package ...

Senior Backend Engineer (App Store & Ecosystem)

About Incard Incard's mission is to build the financial operating system for entrepreneurs. We are focused on creating a system where business banking, financial tools, and application logic are coordinated into a single control layer. Through the app store, entrepreneurs and deve ...

Lead Software Engineer Python Vice President

We have an exciting opportunity to join an agile development team working on a top-tier Delta One platform that empowers the front office to create, manage, and report on equities-based baskets. You will collaborate with other skilled engineers worldwide and gain exposure to the entire portfolio management ...

Director – Quant Developer, FO/Sales

This range is provided by Barclay Simpson. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Barclay Simpson I recruit front office quants, strats & researchers | Sell-Side & Buy-Side ...

Senior Java Backend Engineer – Public Sector

Mastek is seeking an experienced Java Backend Developer for its Public Sector accounts in the UK. The role involves designing, developing, and maintaining backend applications using Java 17/21 and Spring MVC. You will lead Java EE library migrations, work with Oracle 19C databases, and implement SOAP and REST in ...

Senior Backend Engineer Contractor (Java, Python, Rust + Ruby nice to have) | Fully Remote / EU[...]

Senior Backend Engineer Contractor (Java, Python, Rust + Ruby nice-to-have) | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep expe ...

Senior Software Engineer

Senior Software Engineer (Python) | Hybrid/London | £85,000 + Equity High-growth InsurTech modernising how underwriting and risk decisions are made. This is a key hire as the business scales its core platform, with backend engineering and AI-enabled workfl ...

Platform Engineer: Backend Java for Data Fabric

A leading consultancy firm is looking for a Backend Java Developer for a hybrid role in London. You will build core backend services for a Data Fabric platform, implementing rule engines and working with SQL parsing and distributed data systems. Ideal candidates should have strong experience in Java (17/21), Spr ...

Platform Backend Engineer Remote, High Impact AI Audio

Clutch Canada is seeking a Backend Developer to design and maintain APIs in a dynamic and innovative environment. The ideal candidate will have proven experience in backend development, particularly with TS/Node, and direct experience with GCP, AWS, or Azure. You will work collaboratively across teams to enhance ...

Backend Engineer B2B Integrations & APIs

Tombola in Sunderland is seeking a Software Developer to join their backend development team. This role involves building backend services and APIs that power integrations with external partners. Candidates should have strong knowledge of C#, .Net experience, and a background in developing backend systems. The p ...

Backend Software Engineer C# .Net SQL Hedge Fund

Get AI-powered advice on this job and more exclusive features. This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Backend Software Engineer / Developer (C# .NET SQL) – London onsite This ro ...

Senior Python Engineer

This range is provided by Corecom Consulting. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Senior Python Engineer (Fully Remote, UK) Contract: Permanent Location: Fully remote (UK) with optional in-person ses ...

Senior Python Engineer

Join to apply for the Senior Python Engineer role at Cleo Be among the first 25 applicants About Cleo At Cleo, we’re not just building another fintech app. We’re embarking on a mission to fundamentally change humanity’s relationship with money. Imagine a world wher ...

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    Backend Developer Python Nodejs Jobs in United Kingdom Job Search Guide, Trends and Insights