Senior Software Engineer (Python/React) – Tech for good

Company IconOliver Bernard
Location IconLondon

Senior Software Engineer (Python/React) – Tech for goodUp to £85k2-4 days p/month in LondonSenior Software Engineer (Python/React) – Would you like the opportunity to work for a climate technology company? This is an exci...Read More>>.

Posted: June 6th, 2026
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Senior Python Software Engineer | AWS, Client-Facing, Hybrid

Company IconTieTalent
Location IconBristol

A leading recruitment agency is seeking a Senior Software Engineer (Python) in Bristol. This hybrid role involves working with Agile teams and clients to develop bespoke software solutions. Candidates should have strong Python skills, AWS experience,...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer - Cloud CI/CD, Python/Go/Node

Company IconOffice for National Statistics
Location IconNewport

The Office for National Statistics in Newport is seeking an experienced Software Engineer with a passion for Continuous Integration and Deployment in cloud applications. The role involves developing software solutions, mentoring colleagues, and ensur...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer - Cloud-Native SaaS (AWS)

Company Icondjr
Location IconManchester

djr is seeking a skilled engineer to design and build scalable cloud-native applications using .NET and AWS. The role involves modern distributed systems and mentoring within a high-calibre engineering environment. Candidates should have strong .NET/...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer (Python/ Automation) in Cambridge - Imagination Technologies

Company IconImagination Technologies
Location IconCambridge

Senior Software Engineer (Python/ Automation) Cambridge, United Kingdom Posted 10 months ago Tech Stack Automation Python Software Engineer Responsibilities Ca...Read More>>.

Posted: June 6th, 2026
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Enterprise Solution Architect – Cloud & API Integration

Company IconMishcon de Reya LLP
Location IconLondon

The DepartmentOur Technology team continues to go from strength to strength, playing a vital role in firm-wide innovation and strategy. Far from being a support function, Technology is integral to the firm's growth agenda,...Read More>>.

Posted: June 6th, 2026
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Senior Quantitative Python Engineer - Trading & Risk

Company IconVBeyond Europe
Location IconLondon

VBeyond Europe is seeking a Python Developer with strong experience in trading and risk management systems within investment banking. The ideal candidate will develop backend applications and data processing logic supporting risk calculations, tra...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer: Platform & Architecture for B2B SaaS

Company IconPlain
Location IconLondon

A pioneering tech startup in Greater London is seeking a talented engineer to define product direction and shape backend architecture. This role is key in building solutions for customer problems and enhancing the developer experience. If you thrive...Read More>>.

Posted: June 6th, 2026
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Staff Machine Learning Engineer (£220,000 | RecSys | Python)

Company IconDex
Location IconLondon

Location: London, 4 days in office (Shoreditch)Salary: Up to £220,000 + Bonus + Compelling EquityThis role is with one of Dex’s trusted partner companies. We work closely with their teams to truly understand their...Read More>>.

Posted: June 6th, 2026
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Senior Python Engineer - FinTech SaaS & Data Viz

Company IconBMLL Technologies
Location IconLondon

About BMLL:BMLL is the leading independent provider of harmonised Level 3, 2 and 1 historical data and analytics across global equities, ETFs, futures and US equity options. We provide market participants with immediate...Read More>>.

Posted: June 6th, 2026
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Senior Python Engineer – FinTech Data & SaaS

Company IconBMLL
Location IconLondon

BMLL is seeking a Senior Engineer to join our hybrid team in London. This role involves designing and implementing features for market-leading SaaS applications in a fast-paced environment. You will collaborate closely with the Product Owner and m...Read More>>.

Posted: June 6th, 2026
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Senior Rust Engineer - Low-Latency Trading Backend

Company IconGrid Dynamics Holdings
Location IconLondon

A global financial institution is seeking a Senior Rust Engineer to enhance their equity derivatives trading platform. The role involves designing core components, writing high-performance Rust code, and guiding less-experienced engineers. Candidates...Read More>>.

Posted: June 6th, 2026
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Lead Backend Engineer - Platform Architect (Contract, UK)

Company Iconitecopeople
Location Icon

A leading IT consultancy is seeking a Contract Software Engineer / Lead Developer to join their team in the UK. This role involves back-end development of a new platform using advanced software design patterns. The ideal candidate has over 5 years of...Read More>>.

Posted: June 6th, 2026
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Senior Lead Python Engineer - Rates Risk & PnL (Athena)

Company IconJPMorganChase
Location IconLondon

JPMorganChase is looking for an experienced Senior Athena Python Rates Senior Lead Software Engineer to join our development team in Greater London. This role requires hands-on Python development skills and a strong financial services background to s...Read More>>.

Posted: June 6th, 2026
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Backend SaaS Engineer — Open Source (Remote, Global Travel)

Company IconCanonical
Location IconManchester

A leading open-source software firm is seeking a Software Developer (Backend SaaS) to join their distributed team. This role requires strong proficiency in Python and web frameworks like Flask and Django. Responsibilities include writing code, collab...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer II — Scale AI Platform

Company Icon9fin Limited
Location IconLondon

9fin Limited is seeking a Senior Engineer II to take technical ownership of the backend systems powering their platform. You will lead design and delivery of backend services, work closely with cross-functional teams, and drive engineering initiat...Read More>>.

Posted: June 6th, 2026
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Senior Full Stack Software Engineer (Python / React)

Company IconSkin + Me
Location IconLondon

Skin + Me is a technology-driven start-up on a mission to revolutionise personalised skincare. We've delivered millions of treatments across our multi-brand ecosystem (Skin + Me, Hair + Me, Renew + Me), powered by a proprietary stack that runs...Read More>>.

Posted: June 6th, 2026
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Lead Python/Rust Engineer — High‑Frequency Quant Tech

Company IconJobs via eFinancialCareers
Location IconLondon

Jobs via eFinancialCareers is seeking a Python engineer with tech leadership experience to join one of the largest global HFT funds. You will work on infrastructure and applications in Python and Rust while mentoring junior talent.The role...Read More>>.

Posted: June 6th, 2026
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Senior Python Engineer at CarbonChain – London, UK or New York City, USA

Company IconVictrays
Location IconLondon

Senior Python Engineer at CarbonChain – London, UK or New York City, USA About Us Do you want to work on the most pressing problem of our generation? Do you have experience building great products and know what it’s like t...Read More>>.

Posted: June 6th, 2026
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Backend Engineer for Secure Government Systems (Node/.NET)

Company IconSynergy Solutions Limited
Location IconLondon

A technology consultancy in the UK seeks a skilled Software Engineer to work on impactful government projects. You will design and develop systems and APIs with Node.js/.Net in an agile environment, collaborating with multidisciplinary teams to ensur...Read More>>.

Posted: June 6th, 2026
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Senior Python Engineer — Real-Time Risk Platform Lead

Company IconJPMorgan Chase & Co.
Location IconLondon

A leading financial services firm in London is seeking a Senior Lead Software Engineer to enhance credit risk management solutions. The role involves providing technical leadership, developing secure code, and advocating for best practices in softwar...Read More>>.

Posted: June 6th, 2026
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Contract Lead Python Engineer for Production-Grade Systems

Company IconObsidian
Location IconLondon

Obsidian is looking for a Software Engineer to join a model-training project with a leading AI lab. This contract role requires expertise in Python and involves around 20 hours of work per week.Successful candidates will have experience wit...Read More>>.

Posted: June 6th, 2026
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Senior Lead Python Engineer – Real-Time Trading Platform

Company IconJPMorgan Chase & Co.
Location IconLondon

JPMorgan Chase & Co. is seeking a Senior Lead Software Engineer for the Credit Trading - Realtime Risk team in Greater London. You will play a crucial role in building secure and scalable technology solutions, guiding engineering teams, and driving p...Read More>>.

Posted: June 6th, 2026
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Lead Python Front Office Quant Engineer

Company IconJPMorgan Chase & Co.
Location IconLondon

A leading financial services firm in London seeks a Lead Software Engineer specializing in Python for its Global Equity Derivatives Technology team. The role involves collaborating with quants and traders to develop trading applications and APIs, in...Read More>>.

Posted: June 6th, 2026
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Senior Back-end Software Engineer (Python and Rust) - London

Company IconValidus Risk Management Ltd.
Location IconLondon

Validus is looking for a financial software engineer to join our back-end team. This team is responsible for designing, implementing and maintaining the systems and services powering the rapidly growing, award-winning technology offering at Val...Read More>>.

Posted: June 6th, 2026
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Python Software Engineer – Quantitative Hedge Fund : £120-180k

Company IconHunter Bond
Location IconLondon

Are you a world-class Python engineer ready to push your technical limits in one of the most intellectually rigorous environments in finance? Our client is a leading quantitative investment fund—combining deep research, cutting‑edg...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer - High-Impact AI & Robotics

Company IconOxford Dynamics
Location IconLondon

Oxford Dynamics is seeking a skilled backend developer to join their growing team in the Greater London area. The candidate will work on innovative AI and robotics projects, focusing on backend architecture and API development in a hybrid working...Read More>>.

Posted: June 6th, 2026
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Senior Platform Engineer - Python & AI Tools

Company IconJPMorgan Chase & Co.
Location IconLondon

As a Lead Software Engineer at JPMorgan Chase & Co. in the Athena Core DevTools team, you will play a pivotal role in designing and building tools to improve the daily work of thousands of engineers. Your responsibilities include developing develo...Read More>>.

Posted: June 6th, 2026
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Senior JavaScript Engineer — Node.js & Web Apps

Company IconConsortio RG Ltd
Location Icon

An innovative technology company in the United Kingdom is seeking a developer to work on web applications using JavaScript on Node.js. The role involves collaborating on technical solutions and architecture design as well as developing applications i...Read More>>.

Posted: June 6th, 2026
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Hybrid Backend Engineer (C++, Rust) Low-Latency Trading

Company IconClient Server
Location IconLondon

A leading trading firm in Greater London is seeking a skilled Backend Software Engineer to develop high throughput low-latency backend services using C++ and Rust for trading engines. You'll be part of a collaborative team with opportunities for remo...Read More>>.

Posted: June 6th, 2026
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Remote Full-Stack Engineer II (Python) — Build Data Tools

Company IconMintel International
Location IconLondon

A leading market intelligence firm in Greater London is seeking a Full Stack Software Engineer to develop and maintain internal tools that streamline insights delivery. You will collaborate with technical consultants, design intuitive user interfaces...Read More>>.

Posted: June 6th, 2026
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Cloud-Native Fullstack Engineer: Python + Angular

Company IconSynergy Solutions Limited
Location IconLondon

A leading technology consultancy in the United Kingdom is seeking a Full Stack Python Developer to join their strategic digital programmes. The role involves working with backend systems using Python and frontend frameworks like Angular, focusing on...Read More>>.

Posted: June 6th, 2026
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Senior Full Stack Engineer C# Python AWS

Company IconClient Server
Location IconLondon

Senior Full Stack Engineer C# Python AWS (PR/100657) London, England Salary: GBP150000 - GBP180000 per annum + benefits Senior Full Stack Engineer / Developer (C# Python AWS SQL IaC) London 12 month FTC to £180k A...Read More>>.

Posted: June 6th, 2026
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Lead Backend Engineer — Scale-Driven Distributed Systems

Company Icon5V Video
Location IconLondon

5V Video in Greater London is seeking a Senior Backend Engineer to build and scale backend systems for a large streaming platform. The role involves leading the development of scalable APIs and microservices using Python and AWS, while fostering obse...Read More>>.

Posted: June 6th, 2026
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Senior Java Consultant. Central London

Company IconSituations Vacant Ltd
Location IconLondon

We have an exciting opportunity for aJava Specialistto join our rapidly-growing Oracle CX Cloud Practice, working on cutting-edge projects. You will be working in a wider team, and will be striving to deliver elegant, user-friendly solution...Read More>>.

Posted: June 6th, 2026
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Senior Python Automation Engineer – Demo Data & Production

Company IconGlobal Relay
Location IconLondon

A leading technology firm in Greater London is seeking a Python Software Developer to design, develop, and maintain scripts for demo data publishing. You will work in a collaborative environment, assisting sales teams in demonstrating our services. T...Read More>>.

Posted: June 6th, 2026
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Senior SDET: Python & AWS Platform Quality Engineer

Company IconInsight International (UK) Ltd
Location IconLondon

A leading technology firm in England seeks an experienced Software Development Engineer in Test (SDET). You will be responsible for designing and building high-performance tools to validate ML data pipelines and developing automation frameworks. The...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer, Cloud Networking SaaS

Company IconClutch Canada
Location IconLondon

A leading cloud networking company in Greater London is seeking a Software Engineer to join a newly formed team. This role involves designing and building scalable backend systems to support the next phase of the company's growth. The ideal candidate...Read More>>.

Posted: June 6th, 2026
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Senior Kotlin Backend Engineer - TDD, Kubernetes, CI/CD

Company IconGrid Dynamics Holdings
Location IconLondon

A global financial leader is seeking a Senior Kotlin Developer to join a high-caliber engineering team. You will design high-performance backend services and maintain code quality while leveraging Kotlin and Kubernetes. Ideal candidates should have d...Read More>>.

Posted: June 6th, 2026
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Backend Engineer (AI Engine)

Company IconContinuum Industries
Location IconCity of Edinburgh

About the RoleContinuum Industries is on a mission to help rewire the world with cleaner, green energy. We have developed Optioneer, an AI-powered tool that helps plan new infrastructure projects much faster, more sust...Read More>>.

Posted: June 6th, 2026
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Senior Full Stack Developer (Python & Vue.js) - Contract

Company IconInfused Solutions
Location Icon

Senior Full Stack Developer (Python & Vue.js) - Contract Contract Length: Initial 3 months Location: Fully Remote (UK Based) Day Rate: Competitive IR35 Status: Outside IR35 UK based candidates...Read More>>.

Posted: June 6th, 2026
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Data Protection Automation Engineer - Python & Ansible

Company IconSoda
Location IconLondon

Soda is looking for a Data Protection Automation Engineer to work in London, United Kingdom. The ideal candidate will have extensive experience in software development, specifically with Python and Bash, and must be well-versed in automation tools li...Read More>>.

Posted: June 6th, 2026
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Hybrid Automation Test Engineer: API & Data Validation

Company IconDataCareers
Location IconLondon

A leading software company in London is seeking an Automation Test Engineer to join their team. This hybrid role will involve working onsite 2-3 days per week. The ideal candidate will have a strong background in integration and API testing, solid da...Read More>>.

Posted: June 6th, 2026
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Senior Full-Stack Engineer (Python/React) - Hybrid, Equity

Company IconSkinandme
Location IconLondon

Skinandme in London is hiring a Senior Full Stack Engineer to own features across their Python/Flask/React stack. The role involves backend services and customer-facing frontend development, making architectural decisions to ensure scalability....Read More>>.

Posted: June 7th, 2026
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Senior C#/.NET Engineer - Platform Ownership & API

Company IconUnited Cerebral Palsy of Georgia
Location IconAccrington

United Cerebral Palsy of Georgia is seeking a Senior Software Developer based in Accrington to join their team. The successful candidate will develop and maintain applications using C#, .NET, and SQL Server while improving and enhancing an establi...Read More>>.

Posted: June 8th, 2026
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Senior Backend Software Engineer · UK Remote · Permanent

Company IconThisisbud
Location Icon

Our Mission Bud's mission is simple. We're here to create the world’s most compelling financial data products. The products we're building are used by some of the world's most prestigious institutions to help millions of their c...Read More>>.

Posted: June 10th, 2026
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Senior .NET/Python Engineer - Hybrid London, 12-Month FTC

Company IconClient Server
Location IconLondon

Client Server in London is seeking a Senior Software Engineer (.Net, Python, SQL) on a 12-month Fixed Term Contract, offering a salary of up to £180k. You'll design and develop investment applications, focusing on full stack development with a hy...Read More>>.

Posted: June 10th, 2026
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WCA Functional Assessor

Company IconMaven Consulting Group Ltd
Location Icon

NMC and HCPC professionals eligible to apply.Submit your CV and any additional required information after you have read this description by clicking on the application button.What is on offer as a WCA Fun...Read More>>.

Posted: May 15th, 2026
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Senior Backend Engineer with Content delivery experience

Company IconRandstad Technologies
Location Icon

Job title: Senior Backend Engineer with Content delivery experienceLocation: RemoteDuration: 06 months contractAbout the Position We're looking for a S...Read More>>.

Posted: June 2nd, 2026
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