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Senior Fullstack Engineer Hybrid, Cloud & APIs

A leading UK banking organization seeks a Senior Software Engineer (Fullstack) to develop scalable and secure applications. You will work in a hybrid environment and must be proficient in Python, Node.js, React, and containers. Ideal candidates have a strong background in both frontend and backend development, w ...

Hybrid VP: Full Stack Engineer (Kotlin & Python)

Citibank (Switzerland) AG is seeking a Full Stack Engineer (Kotlin and/or Python) in Greater London. This VP-level role involves designing and developing cutting-edge financial software solutions while collaborating closely with business stakeholders. Candidates should have strong backend experience along with k ...

Senior Backend Security Platform Architect

Arm in Cambridge is looking for a Senior Software Engineer to join their Vulnerability Research and Tooling team. You will be responsible for designing and building backend services for their central security analysis platform, which includes developing Python services and APIs. The ideal candidate should have s ...

Senior Backend Engineer — Scalable Systems, Remote

A cybersecurity intelligence platform is seeking a Senior Software Engineer to design, build, and scale core systems for their vulnerability intelligence platform. The role is remote-friendly, with a preference for candidates in Cheltenham, UK. Responsibilities include owning critical services and developing sca ...

Senior GenAI Engineer — Production AI for Planning

A leading software company in Greater Manchester is seeking a Senior GenAI Engineer to build production-ready AI features for business planning. The candidate will work on integrating and optimizing AI models, develop backend services, and collaborate with data scientists. Strong programming skills in Python, ML ...

Software Engineer AI Driven, Multidisciplinary Systems

A Sheffield-based engineering consultancy is looking for candidates to join their multidisciplinary team. The ideal candidate will have a strong background in software development (frontend/backend) and experience deploying production code with technologies like CPP, JS, TypeScript, and Python. An interest in UX ...

Full Stack Engineer AI Powered Workflows, London (Onsite)

A leading recruitment firm is seeking a Full Stack Engineer to join their product-focused team in London. This hands-on role involves designing software for complex workflows, utilizing TypeScript for frontend development and Python for backend services. The ideal candidate will have strong experience with moder ...

Senior Backend Engineer Scalable Distributed Systems

Wise is looking for a Senior Software Engineer I to work on Account Communications in London. You'll improve delivery reliability and evolve platform infrastructure. Ideal candidates will know backend languages like Java, Kotlin, Python, or Go. Strong experience in designing scalable systems is required. Compens ...

Engineering Manager Reference Data & Data Platform

Addepar is looking for an experienced Software Engineering Manager to lead their Reference Data Team in Edinburgh. You will oversee the delivery of high-quality projects using diverse technologies like PySpark, Python, AWS, and Kubernetes. A background in backend engineering and proven leadership experience are ...

Junior Developer

Role: Junior DeveloperLocation: Norfolk (1 day a week onsite)Salary: Up to £40,Are you a talented Developer looking for your next challenge in an innovative, forward-thinking company? We're working with a specialist software provider to find a skilled C#/.NET Develope ...

Junior Developer

Role: Junior DeveloperLocation: Norfolk (1 day a week onsite)Salary: Up to £40,Are you a talented Developer looking for your next challenge in an innovative, forward-thinking company? We're working with a specialist software provider to find a skilled C#/.NET Develope ...

Lead Software Engineer

Lead Software Engineer Contract to Permanent Hybrid (London) Rates negotiable Ensure you read the information regarding this opportunity thoroughly before making an application.Most streaming ...

Senior Software Engineer

Senior Software Engineer Contract to Permanent Hybrid (London) Rates negotiable If the following job requirements and experience match your skills, please ensure you apply promptly.Most backend s ...

Lead Software Engineer

Lead Software Engineer Contract to Permanent Hybrid (London) Rates negotiable Most streaming platforms struggle to scale backend systems properly you’ve seen it. This role is about building ...

Software Engineer

Software Engineer Contract to Permanent Hybrid (London) Rates negotiable Most backend systems look fine on paper until they hit production. This role is about building services that actually w ...

Senior Software Engineer

Senior Software Engineer Contract to Permanent Hybrid (London) Rates negotiable Most backend systems look fine on paper until they hit production. This role is about building services that act ...

Application Software Engineer

The Opportunity Join a team at the forefront of underwater robotics innovation. In this role, you'll design and deliver cutting‑edge software solutions that power the next generation of subsea vehicles. Working at the intersection of advanced engineering and real‑world application, you'll contrib ...

Java Backend ATA

Job Title – Java Backend ATA Location– England, United Kingdom OR Amsterdam, North Holland, Netherlands Experience –6 to 12 years Mandatory Skills - Java, AWS, Spring Boot, Rest API Services, GraphQL Client Round –Yes Type of hire –Contract (remote working and occasi ...

Lead Backend Engineer — Product‑Driven, Remote UK

A recognized staffing firm in the UK is seeking a Lead Software Engineer to spearhead backend development with a product-oriented approach. The role, based in London, allows for fully remote work for UK-based applicants. Candidates should have strong experience in programming languages like Python and Java, a ST ...

Scientific Simulation Software Engineer

Wavephotonics in Cambridge seeks a Software Developer to design and maintain high‑performance numerical software applications. You will develop tools for light propagation simulations and collaborate with engineers to deliver quality products. Essential qualifications include experience in physical simulation so ...

Java Developer

Java Developer - Java - AWS - AngularWhile professional experience and qualifications are key for this role, make sure to check you have the preferable soft skills before applying if required.Leeds (Hybrid)Permanent£80,000 - £90,000 (DOE)Java Developer with Java , AWS & Angular needed for a p ...

I&C Web & Automation Software Engineer (Energy Projects)

Amentum is seeking a Commissioning Engineer (Software Developer) in Bristol, UK to develop and support software for instrumentation and control (I&C) system commissioning activities across reactor units. The role involves designing solutions, improving web applications, and ensuring software quality. Ideal candi ...

Software Developer (SFIA 4) SC / Newcastle CEA

Job Description Software Developer Permanent | Hybrid (willing to travel to Newcastle) | Python | Apache | Data | SC cleared Hybrid work arrangement. Office attendance is up to 60%. Location is flexible: London, Leeds, Newcastle, Sheffield, Blackpool, Manchester and Birmingham. xwzovoh Yo ...

Quantitative Developer Asset Management (Hybrid)

Legal & General is seeking a Quantitative Developer to enhance their Asset Management capabilities. This role involves designing and developing Python-based services for analytical and performance measurement purposes. Candidates should have strong Python and SQL skills, a collaborative mindset, and experience i ...

Ecommerce Website Developer

Get AI-powered advice on this job and explore more exclusive features. E-Resourcing Ltd - Specialist I.T. Recruitment pay range This range is provided by E-Resourcing Ltd - Specialist I.T. Recruitment. Your actual pay will depend on your skills and experience — discuss with your recruiter for ...

Software Engineer – AI Startup, High Ownership & Impact

A growing AI startup in London is looking for a Software Engineer to join their dynamic team. You will work primarily on backend systems, collaborating with founders, and integrating with cutting-edge technologies. Ideal candidates will have strong experience with TypeScript, React, or Python, and possess an own ...

Azure Backend Engineer for Prototypes & Cross Project Impact

A leading consulting firm in the UK is seeking a Backend Software Engineer to design and build cloud-native solutions. The ideal candidate has over 5 years of experience, strong skills in C# or Python, and hands-on experience with Microsoft Azure. This role requires excellent communication skills and the ability ...

Python and Kubernetes Software Engineer Data, AI/ML & Analytics

Python and Kubernetes Software Engineer - Data, AI/ML & Analytics Join to apply for the Python and Kubernetes Software Engineer - Data, AI/ML & Analytics role at Canonical Python and Kubernetes Software Engineer - Data, AI/ML & Analytics Join to app ...

Research Development Software Engineer

Title : Research Development Software EngineerLocation: Cambridge, UK- 50 % on siteEnd date: 30th June 26 (12 months intent)Location: A minimum of 50% per week is expected onsite rising to 60% at some point in the future.Required * Strong software engineering skills in Py ...

Research Development Software Engineer

Title : Research Development Software EngineerLocation: Cambridge, UK- 50 % on siteEnd date: 30th June 26 (12 months intent)Location: A minimum of 50% per week is expected onsite rising to 60% at some point in the future.Required * Strong software engineering skills in Py ...

Full Stack Node.JS Developer Reading Hybrid

Job Description Senior Software Developer – B2B SaaS – Retail Market Intelligence - Hybrid working (South East / London area + remote) - Up to 60k + bensPermanent role – 50-60k + benefitsTech stack: Node.js, TypeScript, React, Redux, PostgreSQL, AWSIndustry: B2 ...

Full Stack Node.JS Developer Reading Hybrid

Job Description Senior Software Developer – B2B SaaS – Retail Market Intelligence - Hybrid working (South East / London area + remote) - Up to 60k + bensPermanent role – 50-60k + benefitsTech stack: Node.js, TypeScript, React, Redux, PostgreSQL, AWSIndustry: B2 ...

Graduate Quant Developer — Build Trading Systems & Models

Hunter Bond is seeking a Graduate Software Developer/Quantitative Developer to kickstart a career in technology and quantitative finance in Greater London. The role involves designing and enhancing trading systems, developing quantitative models, and collaborating with top talent in a high-performance environmen ...

mthree Junior Software Developer (Go Lang)

mthree - Junior Software Developer (Go Lang) UK Start Your Career as a Junior Golang Developer with mthree! We are looking for software engineers to join a team delivering end‑to‑end software solutions, building systems from the ground up rather than relying on off‑the‑she ...

Software Developer – Hybrid, Modern Tech, Growth

Artek Mentorship in the United Kingdom is searching for a Software Developer to design and develop scalable software applications. Candidates should have a Bachelor's degree in computer science or a related field, along with 1-3 years of experience in software development, using frameworks such as React or Angul ...

Staff Software Engineer, Developer Experience & Tooling

A leader in industrial data analytics is seeking a Staff Software Engineer specializing in Developer Experience. This role focuses on improving SDKs, APIs, and tools to enhance developer productivity. The ideal candidate will have 8+ years of experience in software engineering, strong programming skills, and exp ...

Technical Expert – Full Stack Software Developer

Technical Expert – Full Stack Software Developer Join to apply for the Technical Expert – Full Stack Software Developer role at University of Bristol Technical Expert – Full Stack Software Developer 2 days ago Be among the first 25 applicants <p ...

Freelance Software Developer (Ruby) AI Trainer

Freelance Software Developer (Ruby) - AI Trainer 4 days ago Be among the first 25 applicants This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level ...

Freelance Software Developer (Kotlin) AI Trainer

Freelance Software Developer (Kotlin) – AI Trainer 1 day ago Be among the first 25 applicants This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your leve ...

Freelance Software Developer (Ruby) AI Trainer

Freelance Software Developer (Ruby) - AI Trainer 4 days ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and r ...

Senior Software Engineer (Developer Platform) Engineering · ·

About bunny.net Some people accept the internet as it is. We see what it could be. At bunny.net, we don’t wait for change. We make it happen. You won’t find layers of red tape or play-it-safe thinking here. You’ll find people who move quickly, take ownership, and push ideas all the way to ...

Senior Software Developer Market Making Technology

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across four c ...

Senior Software Developer Market Making Technology

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across four c ...

Senior Backend Engineer

About 9fin 9fin is the AI platform powering global debt markets — the world’s largest asset class at over $145 trillion. Debt markets are vast, global, and mission‑critical, yet still run on fragmented data, PDFs, and manual workflows. 9fin replaces this broken infrastructure with a singl ...

Senior Backend Engineer

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. About 9fin 9fin is the AI platform powering global debt markets - the world's largest asset class at over $145 trillion. Debt markets are vast, global, and mission‑critical, yet still ...

Software Engineering Director

THE POSITION Our roster has an opening with your name on it As a Software Engineering Director for our Sportsbook Core Apps Enablement group, you'll be at the forefront of empowering our delivery teams to provide exceptional customer experiences at speed. You'll manage and mentor multiple ...

Mid level Software Engineer .NET + React

Mid-level Software Engineer - .NET + React 215931 Desired skills: .NET, C#, React, UI/UX, SQL, Azure Job Title: Mid-Level Software Developer (.NET & React) Location: Fully Remote (Applicants must be based in the Munster region, Ireland)<br/ ...

Mid level Software Engineer .NET + React

Mid-level Software Engineer - .NET + React 215931 Desired skills: .NET, C#, React, UI/UX, SQL, Azure Job Title: Mid-Level Software Developer (.NET & React) Location: Fully Remote (Applicants must be based in the Munster region, Ireland)<br/ ...

AI Backend Engineer

We are seeking a Backend Engineer to join our Group Data team, working as part of the AI Agent Hub delivery team. This role will help build, extend, and improve the backend services, APIs, integrations, and AI platform capabilities that support ITV's emerging internal AI platform. The role has a primary fo ...

FullStack Engineer

AI Factory, an Italian spin-off of AI Venture Builder specialized in developing and deploying AI solutions for enterprises, is looking for a FullStack Engineer with at least 5 years of experience, with full mastery of both frontend and backend, and a strong aptitude for analysis and design of comple ...

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