Principal .NET Backend Engineer | IoT Systems + Equity

Company IconRecenso
Location IconLondon

A leading IoT technology firm is seeking a highly skilled Principle and Senior Backend Engineer (.NET) to design and develop critical backend services for IoT products. The role involves building scalable systems, ensuring high automated test coverag...Read More>>.

Posted: June 6th, 2026
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Hybrid Python Engineer - Trading Systems & Markets

Company IconThe Cypress Group
Location IconLondon

A global leader in market infrastructure is seeking a Python Software Engineer in London. This role involves developing optimization systems for trading operations, collaborating with stakeholders, and supporting mission-critical systems. Ideal candi...Read More>>.

Posted: June 6th, 2026
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Senior Python Engineer — High-Impact, Hybrid

Company IconHarnham
Location IconLondon

A technology company in Greater London is looking for a Senior Software Engineer to build and scale a high-impact ad-fraud prevention platform. This senior individual contributor role emphasizes ownership and quality in engineering. Candidates should...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer, Node.js

Company Icon1inch
Location Icon

Overview1inch is the DeFi ecosystem building financial freedom for everyone. 1inch products help users and builders trade, hold and track digital assets—with self-custody, security and an intuitive user experience to unlock true cryp...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer — Platform & Scale (Hybrid)

Company IconPersonio
Location IconLondon

Personio is looking for a Senior Software Engineer to join their EO team in London. In this role, you will evolve backend systems that power key functionalities of Personio while working collaboratively with various teams. The position requires exper...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer, Banking Connectivity

Company IconRipple
Location IconLondon

A global financial tech company in London is seeking a Senior Software Engineer to build critical bank integrations for their Banking Connectivity platform. The successful candidate will work on backend systems using Java and engage in ensuring relia...Read More>>.

Posted: June 6th, 2026
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Senior Platform & Services Engineer (Cloud, Microservices)

Company IconMotilent Ltd
Location IconLondon

Motilent Ltd is looking for a Senior Platform and Services Software Engineer to design, build, and maintain their medical imaging analysis platform. This role encompasses working with microservices and ensuring regulatory compliance for software p...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer — Cloud Microservices for Energy

Company IconAurora Energy Research
Location IconOxford

A leading company in the energy sector is seeking a Software Engineer to join their innovative team in Oxford. The role involves developing cloud-based software solutions that impact global energy markets. You will work with cutting-edge technologies...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer (JVM, Kotlin)

Company IconSimple Machines
Location IconLondon

OverviewSimple Machines is a leading independent boutique technology firm with a global footprint across London, Sydney, San Francisco, and New Zealand. We operate at the intersection of data, AI, machine learning, data engineering, an...Read More>>.

Posted: June 6th, 2026
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Backend Engineer: Medical Imaging & Health APIs

Company IconV7
Location IconLondon

Your role at V7:Own and maintain backend infrastructure and processes dealing with the input, output, and consumption of both radiological and pathological medical imaging scans.Build out infrastructure for import/export of an...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer — Payments Platform

Company IconOpulent Mind
Location IconLondon

Opulent Mind is seeking a Senior Backend Engineer to join a dynamic fintech team in London. In this role, you will design and build core services that accurately manage money transactions amidst complex financial scenarios. The successful candidat...Read More>>.

Posted: June 6th, 2026
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Senior Cloud Backend Engineer – Build Scalable Systems

Company IconInstil
Location IconBelfast

Instil is seeking experienced Senior Software Engineers to design and build backend services using C#, TypeScript, or Java. This role emphasizes cloud-native application development across AWS, Azure, or GCP while fostering a strong engineering cu...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer

Company IconTerra API
Location IconLondon

Role Overview You will own and ship core platform systems that power how health data flows through Terra — from upstream data suppliers (wearables, health apps, sensors) into our unified schema, and out to downstream developers and A...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer - Remote

Company IconTriptease
Location IconLondon

A dynamic travel technology firm in the UK is seeking collaborative developers to enhance its tech stack including Node.js, TypeScript, and Google Cloud. You'll join a small, empowered team, committed to delivering high-quality software. Expect to en...Read More>>.

Posted: June 6th, 2026
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.NET Backend Engineer – Data Products & Payments Insights

Company IconDojo
Location IconLondon

A dynamic payment solutions company in London is seeking a Software Engineer .NET to shape their payments data into valuable insights. You will design scalable data products and collaborate closely with cross-functional teams. Ideal candidates will h...Read More>>.

Posted: June 6th, 2026
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Senior/Lead Backend Engineer

Company IconFuse Energy
Location IconLondon

In this role you will work closely within product to build the core digital infrastructure for a next-generation energy company. You will use your experience to engineer backend infrastructure that is second-to-none.You'll be working acr...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer - Quantum-Safe Encryption (Python)

Company IconArqit
Location IconBelfast

A leading cybersecurity firm located in Belfast is seeking a Senior Python Developer to enhance their Encryption Intelligence technology. The ideal candidate will have significant commercial experience and a deep understanding of Python programming....Read More>>.

Posted: June 6th, 2026
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Senior Python software engineer

Company IconScanmarQED
Location Icon

Senior Python software engineer - with strong Maths background Are you a software engineer who thrives on building robust, scalable products with a strong foundation in mathematics and analytics? We’re specifically looking for a...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer (Full Stack and Backend)

Company IconEuropython
Location IconLondon

Senior • London, Barcelona, Edinburgh and BerlinResponsibilitiesPragmatism and obsession for simplicity, efficiency, and performanceExtensive experience in similar roles building technically complex products in any...Read More>>.

Posted: June 6th, 2026
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Quantitative Developer - Python

Company IconQh4 Consulting
Location IconLondon

OverviewQuantitative Developer | Structured Finance | VP / Director Level — A fast-growing London-based investment firm at the cutting edge of fixed income and structured credit is looking for a quantitative developer to join a small...Read More>>.

Posted: June 6th, 2026
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Quantitative Python Developer

Company IconVBeyond Europe
Location IconLondon

We are looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role involves building backend applications and data processing logic supporting risk calculations, trade workflo...Read More>>.

Posted: June 6th, 2026
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Senior MuleSoft Engineer - CloudHub & Microservices

Company IconN Consulting Ltd
Location IconLondon

N Consulting Ltd is seeking a Senior Mulesoft Developer based in London, England. The role requires MuleSoft certification and experience with CloudHub, Runtime Fabric, and Agile/Scrum methodologies. Candidates should hold a background in Java or oth...Read More>>.

Posted: June 6th, 2026
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Python Engineer – Trading Platform & Tools

Company IconDRW Holdings, LLC.
Location IconLondon

A diversified trading firm is seeking a Python Software Engineer to design and develop tools for Traders and Quantitative Researchers. This role involves collaborating across teams to enhance the existing trading platform while ensuring software engi...Read More>>.

Posted: June 6th, 2026
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Python Data Platform Engineer — Hybrid London

Company IconHunter Bond
Location IconLondon

A leading trading firm in London is looking for an experienced Python Software Engineer to join their team. This role focuses on designing and developing data and research platforms that support quantitative research. The candidate should possess str...Read More>>.

Posted: June 6th, 2026
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Go Backend Engineer — Build Scalable, Secure Apps

Company IconInfoSum Limited
Location IconBasingstoke

A leading data collaboration platform is seeking a Software Engineer based in Basingstoke, UK. The role involves designing, developing, and maintaining high-quality software solutions to meet client needs. Ideal candidates will have 4+ years of exper...Read More>>.

Posted: June 6th, 2026
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Senior Node.js Engineer for CMS Platform & Mentorship

Company IconLeoVegas Group
Location IconNewcastle upon Tyne

LeoVegas Group, located in Newcastle upon Tyne, seeks a proactive Senior Software Engineer. This role involves developing key features for their headless CMS, mentoring team members, and collaborating within an agile environment. Ideal candidates wil...Read More>>.

Posted: June 6th, 2026
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Backend .NET Engineer — Onsite, Central London

Company IconDigital Waffle
Location IconLondon

A tech organisation in Central London is seeking an experienced .Net Developer to join their backend team. In this role, you will design and develop software applications aimed at improving internal systems and client solutions in high-regulated indu...Read More>>.

Posted: June 6th, 2026
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Python Software Engineer, Trading Platform

Company IconDRW Holdings, LLC.
Location IconLondon

Python Software Engineer, Trading Platform Job Location London Employment type Regular Department Technology Targeted Start Date Immediate DRW is a diversified trading firm with over 3 decades of expe...Read More>>.

Posted: June 6th, 2026
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Senior Backend Software Engineer (Ground Segment)

Company IconOpen Cosmos
Location IconHarwell

Senior Backend Software Engineer (Ground Segment) At Open Cosmos we are solving the world’s biggest challenges from space, providing businesses, governments and researchers access to more readily available information than ever befor...Read More>>.

Posted: June 6th, 2026
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Senior Lead Software Engineer - Python

Company IconJPMorgan Chase
Location IconGlasgow

As a Senior Lead Software Engineer at JPMorgan Chase within the Corporate & Investment Bank Post Trade Technology team, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology produc...Read More>>.

Posted: June 6th, 2026
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Global Enterprise API Integration Engineer

Company IconPayPal
Location IconLondon

PayPal is seeking an Integration Engineer to guide global merchants through the integration of PayPal products. Your role will involve resolving technical issues, providing hands-on coding support, and ensuring seamless implementations across plat...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer, Backend Services & APIs

Company IconFortinet
Location IconLondon

Job Description Senior Software Engineer, Backend Services & APIs Office based in Moorgate, London Join Fortinet, a global cybersecurity pioneer with over two decades of excellence, as we continue to shape the future of c...Read More>>.

Posted: June 6th, 2026
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Trading Connectivity Software Engineer (Go Backend)

Company IconCoin Metrics
Location IconLondon

A leading technology firm in London seeks a Software Engineer for the Trading Connectivity team. This role involves designing and maintaining high-performance backend systems to support the Talos trading platform. Candidates should have 2-5 years of...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer (TypeScript) — Hybrid, London

Company IconMANUAL
Location IconLondon

MANUAL is looking for a Senior Backend Engineer to lead major backend features. The ideal candidate should have over 5 years of experience in backend development, be proficient in TypeScript, and be confident in using AI tools. This hybrid position i...Read More>>.

Posted: June 6th, 2026
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Lead Full Stack Engineer (Backend Leaning)

Company IconAND Digital
Location IconLondon

Senior Full‑Stack/AI Engineer (Backend-leaning) Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations bui...Read More>>.

Posted: June 6th, 2026
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Golang Backend Engineer for Global Loyalty Platform

Company IconCBTS
Location IconLondon

CBTS is seeking an enthusiastic Golang Software Engineer in Greater London to work on a global Loyalty and Benefits platform for American Express. The role involves building features within a microservice architecture, requiring strong technical skil...Read More>>.

Posted: June 6th, 2026
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Lead / Senior Software Engineer- Python

Company IconVortexa
Location IconLondon

3 weeks ago Be among the first 25 applicants Vortexa is a fast‑growing international technology business founded to solve the immense information gap that exists in the energy industry. By using massive amounts of new satellite data an...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer — APIs & Services

Company IconFortinet, Inc.
Location IconLondon

A leading cybersecurity company in London is seeking a Senior Software Engineer for backend services and APIs. This role involves implementing new features, maintaining existing functionalities, and contributing to the quality of the FortiDLP platfor...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer - Scale High-Performance APIs

Company IconInfoSum
Location IconBasingstoke

InfoSum is looking for a Senior Backend Engineer to design and maintain high-performance backend systems for their data collaboration platform. You will collaborate with teams including frontend engineers and product managers to deliver efficient...Read More>>.

Posted: June 6th, 2026
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Senior Node.js Engineer — CMS & Platform (Hybrid)

Company IconLeoVegas Group
Location IconLeeds

LeoVegas Group is seeking a self-driven Senior Software Engineer to join the CMS team. The role involves developing key features, writing maintainable code in an agile environment, and mentoring peers. Key qualifications include experience in Node.js...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer (Backend)

Company IconLloyds Banking Group
Location IconLeeds

Join to apply for the Senior Software Engineer (Backend) role at Lloyds Banking Group Base pay range Salary: £70,929 - £86,691. Location(s): Edinburgh, Bristol, Halifax, Leeds & Chester. Hours: Full-time - 35 hou...Read More>>.

Posted: June 6th, 2026
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Senior Go Backend Engineer for FinTech Analytics

Company IconDelio Group
Location IconCardiff

Delio Group is seeking a skilled Go Developer to design and build large-scale financial calculation services. This role focuses on developing high-performance backend systems to support portfolio analytics. The ideal candidate will have strong Go exp...Read More>>.

Posted: June 6th, 2026
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Mid-Level Backend Engineer (Driver Squad)

Company IconHIVED Ltd
Location IconLondon

About HIVED At HIVED, we’re steamrolling forward as one of Europe’s fastest growing startups, and our momentum shows no signs of slowing. Based in London, we are a climate and logistics start-up building the first sustainabl...Read More>>.

Posted: June 6th, 2026
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Python Software Engineer - Pricing Platform, Flexible Work

Company IconPrima
Location IconLondon

A leading motor insurance provider in London is looking for a Software Engineer to enhance their pricing and underwriting tools. You will develop innovative solutions while collaborating with a dynamic team of engineers and stakeholders. The ideal ca...Read More>>.

Posted: June 6th, 2026
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Senior .NET Backend Engineer – Fintech Payments

Company IconEden Scott
Location IconGlasgow

A fast-growing global fintech company is seeking a Senior Software Engineer .Net to design and develop payment processing platforms. You'll work within a collaborative environment, honing your skills and impacting merchants worldwide. The ideal candi...Read More>>.

Posted: June 6th, 2026
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Lead Python Engineer, Commodities Platform

Company IconJ.P. Morgan
Location IconLondon

A global financial institution in Greater London is seeking a Python Lead Software Engineer to enhance and deliver market-leading technology products for Commodities trading. This role involves executing creative software solutions, developing secure...Read More>>.

Posted: June 6th, 2026
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Senior Lead Software Engineer - Python / Go

Company IconJPMorganChase
Location IconGlasgow

Are you ready to shape the future of technology at a global financial leader? Join us and make a real impact by building advanced cloud platforms that power data-driven decision making. At JPMorganChase, you'll collaborate with top talent, leve...Read More>>.

Posted: June 8th, 2026
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Senior Backend Engineer, Dashboard Platform & Infra

Company IconAlgolia
Location IconLondon

Algolia is looking for a Senior Software Engineer for their Dashboard Platform team, focusing on infrastructure automation. You will work on core dashboard features and collaborate closely with teams to enhance developer experience.The role...Read More>>.

Posted: June 10th, 2026
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Senior Software Engineer - Python / hx Renew

Company IconTravelers
Location IconLondon

Who Are We? Taking care of our customers, our communities and each other. That’s the Travelers Promise. By honoring this commitment, we have maintained our reputation as one of the best property casualty insurers in the industry for...Read More>>.

Posted: June 10th, 2026
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Lead Software Engineer - Python & AWS

Company IconAumni
Location IconGlasgow

As a Lead Software Engineer at JPMorgan Chase within Markets Technology team, you are an integral part of an agile team that works to enhance, build, and deliver trusted market‑leading technology products in a secure, stable, and scalable way...Read More>>.

Posted: June 10th, 2026
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