Senior Software Engineer — Full-Stack Python & React

Company IconSelby Jennings
Location IconLondon

A leading investment management firm in London is seeking an expert Software Engineer to join their Data Products team. The ideal candidate will have proficiency in Python, TypeScript, and React, with 4+ years of software engineering experience. This...Read More>>.

Posted: June 6th, 2026
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Senior Software Engineer – Climate Tech (Python/React)

Company IconOliver Bernard
Location IconLondon

Oliver Bernard is hiring a Senior Software Engineer (Python/React) in Greater London to develop software for climate technology initiatives. This role involves full-stack product development and partnership with a small, mission-led team. Candidates...Read More>>.

Posted: June 6th, 2026
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Senior Backend Engineer - Kotlin/AWS, Lead & Mentor

Company IconZopa Bank
Location IconManchester

A modern banking institution in Manchester is seeking a Senior Software Engineer to design and run scalable backend systems using Kotlin and AWS. The ideal candidate will have strong experience in backend engineering and a passion for building reliab...Read More>>.

Posted: June 6th, 2026
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Senior .NET Engineer: HealthTech API & Azure Expert

Company IconBrio Digital
Location IconLeeds

A digital health consultancy is seeking a .NET Developer to support a national digital transformation project in Leeds. The role requires strong C#/.NET Core and React expertise and experience in healthcare integration, specifically within NHS or gov...Read More>>.

Posted: June 6th, 2026
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Senior Python Engineer - Math-Driven Optimization (Remote)

Company IconScanmarQED
Location Icon

A leading provider of analytical solutions is seeking a Senior Python Software Engineer with a strong mathematical background. The ideal candidate will design and develop advanced Python-based modules for optimization and analytics, work with modern...Read More>>.

Posted: June 6th, 2026
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Senior Python Engineer - Real-Time Data, Remote & Equity

Company IconVortexa Ltd
Location IconLondon

Vortexa Ltd is seeking a talented engineer to design and build robust data processing infrastructure in a fast-paced environment. The role includes ensuring data pipeline reliability and collaborating with engineers and data scientists. Candidates sh...Read More>>.

Posted: June 6th, 2026
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London Hybrid Lead Software Engineer — AWS & API

Company IconLorien
Location IconLondon

Lorien is seeking a hands-on Lead Developer for a hybrid position in London. This role involves taking technical ownership of software delivery across the Distribution/Broker Connectivity platform within an Agile team.The ideal candidate wi...Read More>>.

Posted: June 6th, 2026
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Senior Lead Backend Engineer – Services (Hybrid, London)

Company IconCapital One (Europe) plc
Location IconLondon

Capital One (Europe) plc is seeking a Senior Software Development Engineer in London, UK. This role involves leading a backend team in delivering complex projects and requires proven technical leadership and exceptional programming skills in modern O...Read More>>.

Posted: June 6th, 2026
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Mid / Senior Software Engineer - Full Stack (React / TypeScript / Node.js)

Company IconAforza
Location IconStoke on Trent

£55,000 - £70,000 (dependent on experience) Cardiff / Remote (UK only) About Aforza Aforza aims to transform the lives of every consumer on the planet by helping the world’s best Consumer Goods companies become more a...Read More>>.

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

Company IconSkin + Me
Location IconLondon

Skin + Me is a fast-growing, technology-driven start-up on a mission to revolutionise personalised skincare. Our tech team powers all three of our brands (Skin + Me, Hair + Me, and Renew + Me), building everything from our ecommerce plat...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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Senior Backend Engineer - AWS Serverless & TS/Node

Company IconInsight Global
Location IconLondon

Insight Global is searching for a Sr. Backend Engineer to join the senior level team focused on partnership platforms. The ideal candidate must have experience with Typescript and Node.js for backend development in an enterprise setting, extensive ex...Read More>>.

Posted: June 6th, 2026
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Senior Internal Model Actuary – Python & DevOps (ERM)

Company IconThe Emerald Group
Location IconLondon

The Emerald Group is seeking a Model Implementation Actuary in London. In this permanent role, you will design, develop, and document internal models for various financial risks, including credit and interest rates. A strong background in capital mod...Read More>>.

Posted: June 6th, 2026
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Backend Product Engineer: Scale APIs & AI Infra (London)

Company IconGranola inc
Location IconLondon

A dynamic technology startup in London is looking for a Product Engineer focused on the Backend. This role involves scaling and evolving backend infrastructure, designing APIs, and implementing AI capabilities. The ideal candidate has strong skills i...Read More>>.

Posted: June 6th, 2026
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Cloud Data Platform Engineer - Multi-Tenant & API-Driven

Company IconNextWave Consulting Ltd
Location IconLondon

NextWave Consulting Ltd is seeking a Data Technology Engineer in London to design, build, and run secure, multi‑tenant data platform capabilities. This role will focus on platform services, security, and observability, enabling reliable access to d...Read More>>.

Posted: June 6th, 2026
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Laser Equipment Maintenance Engineer - Hybrid & Flexible

Company IconAPI Microelectronics Ltd.
Location IconGreat Yarmouth

API Microelectronics Ltd. in Great Yarmouth is seeking a skilled Manufacturing Engineer to support maintenance within a fast‑paced environment. The role involves maintaining and repairing laser systems, ensuring compliance with safety standards,...Read More>>.

Posted: June 6th, 2026
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Field Service & Repair Engineer / Assembler

Company IconAPI Delevan, Inc.
Location IconBedford

Field Service & Repair Engineer / Assembler page is loaded## Field Service & Repair Engineer / Assemblerremote type: Hybridlocations: Bedford, Bedfordshire, United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: R25\_0...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 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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Senior Full-Stack Engineer – AI‑Driven Backend (London)

Company IconBNY
Location IconLondon

BNY is seeking a Senior Associate, Full-Stack Engineer in London. In this role, you will design and maintain backend services while collaborating on frontend development. Key responsibilities include delivering secure, scalable systems and contrib...Read More>>.

Posted: June 11th, 2026
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Senior Integration Engineer: Azure & API Integrations (Hybrid, London)

Company IconIntec Select
Location IconLondon

Intec Select is looking for an experienced Integration Engineer to join a global Financial Services organization. This hybrid role focuses on designing, developing, and supporting enterprise integrations across critical business systems, ensuring...Read More>>.

Posted: June 11th, 2026
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Senior Full-Stack Engineer (Python/React) for Impact

Company IconOliver Bernard
Location IconLondon

Oliver Bernard is seeking a Senior Product Engineer (Python/React) to join their tech for good organization based in London. The ideal candidate will have hands-on experience in building full-stack applications and will contribute to product desig...Read More>>.

Posted: June 11th, 2026
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Software Engineer, Backend - AI Practice Team

Company IconAmerican Bureau of Shipping (ABS)
Location IconWarrington

Job Description ABS is seeking an exceptional Backend Engineer to join us full time on our Artificial Intelligence (AI) Practice Team. In this role, you will design and scale high-performance backend systems that power real-time analyt...Read More>>.

Posted: June 11th, 2026
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