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Software Engineer II Blockchain/ Digital Assets

As a Software Engineer II, you will join our London-based engineering team, contributing to the design, development, and delivery of Java, Python and TypeScript-based blockchain applications. Working alongside experienced engineers with decades of Markets expertise, you'll build production-grade bl ...

Software Engineer II Blockchain/ Digital Assets

As a Software Engineer II, you will join our London-based engineering team, contributing to the design, development, and delivery of Java, Python and TypeScript-based blockchain applications. Working alongside experienced engineers with decades of Markets expertise, you'll build production-grade bl ...

Software Engineer II Blockchain/ Digital Assets

As a Software Engineer II, you will join our London-based engineering team, contributing to the design, development, and delivery of Java, Python and TypeScript-based blockchain applications. Working alongside experienced engineers with decades of Markets expertise, you'll build production-grade blockc ...

Software Engineer II Blockchain/ Digital Assets

As a Software Engineer II, you will join our London-based engineering team, contributing to the design, development, and delivery of Java, Python and TypeScript-based blockchain applications. Working alongside experienced engineers with decades of Markets expertise, you'll build production-grade blockc ...

Senior Python Engineer AI/ML Backend (London, 1x/week on site)

IT Recruitment Solutions is seeking a Senior Python Engineer in London to develop scalable AI systems. Ideal candidates have over 6 years in production Python environments with recent experience in integrating large language models. Responsibilities include designing backend services, optimizing performance, and ...

Senior Python Engineer AI/ML Backend (London, 1x/week on site)

IT Recruitment Solutions is seeking a Senior Python Engineer in London to develop scalable AI systems. Ideal candidates have over 6 years in production Python environments with recent experience in integrating large language models. Responsibilities include designing backend services, optimizing performance, and ...

Senior Python Engineer (6 Month Contract) in London Funding Circle UK

Senior Python Engineer (6 Month Contract) London, United Kingdom Posted 9 months ago Responsibilities Senior Python Engineer to support an interesting project on a six‑month contract. The ideal candidate is able to ramp up quickly and get stuck in with the team. <h3 ...

Senior Python Engineer (6 Month Contract) in London Funding Circle UK

Senior Python Engineer (6 Month Contract) London, United Kingdom Posted 9 months ago Responsibilities Senior Python Engineer to support an interesting project on a six‑month contract. The ideal candidate is able to ramp up quickly and get stuck in with the team. <h3 ...

External Job Posting Title Senior Software Engineer Python, TypeScript and AWS

External Description Overview Reach beyond with Liberty IT; for this is where you’ll find the super challenges, where you’ll be given the scope and the support to go further, dig deeper and fly higher. We won’t stand over your shoulder. We won’t get in your way. We certainly won’t hold yo ...

Senior Software Engineer, C++ and Python, 9 Month FTC, Manchester, COR7567

Senior Software Engineer, C++ and Python, 9 Month FTC, Manchester, COR7567 Are you a Senior Software Engineer with strong C++ and Python experience looking to work on cutting-edge AI and machine learning technology? The Role As a Senior Software Engine ...

Senior Lead Software Engineer Python Real Time Risk & PnL | Front Office

Join us to build the real-time engine behind one of the world’s largest Credit Trading franchises. You’ll shape how billions move, architecting technology that drives revenue growth and empowers traders to compete and win. At JPMorganChase, we invest in your growth, offering opportunities to lead, innovate, a ...

Senior Lead Software Engineer Python Real Time Risk & PnL | Front Office

Join us to build the real-time engine behind one of the world’s largest Credit Trading franchises. You’ll shape how billions move, architecting technology that drives revenue growth and empowers traders to compete and win. At JPMorganChase, we invest in your growth, offering opportunities to lead, innovate, a ...

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

Amentum is seeking a Commissioning Engineer (Software Developer) in the UK to develop and troubleshoot software supporting I&C systems. This role requires strong proficiency in Python and JavaScript, experience in web application development, and SQL database management. Responsibilities include designing techni ...

Senior Software Engineer — Dev Workflow & CI (Remote UK)

Mozilla is seeking a talented individual to enhance Firefox development workflows as a part of their collaborative and diverse team. The role includes optimizing testing processes, mentoring peers, and working with various technologies like Python and JavaScript. The ideal candidate will have strong experience i ...

Senior Software Engineer — Dev Workflow & CI (Remote UK)

Mozilla is seeking a talented individual to enhance Firefox development workflows as a part of their collaborative and diverse team. The role includes optimizing testing processes, mentoring peers, and working with various technologies like Python and JavaScript. The ideal candidate will have strong experience i ...

DevOps & Migration Systems Engineer

A leading managed service provider in the UK is searching for a Systems Developer with a focus on DevOps and migration. The successful candidate will be responsible for developing and enhancing system-level scripts using languages such as Shell, Perl, and Python. You will lead the migration of legacy systems whi ...

Remote Backend Engineer Go/Python/Scala (6m Contract)

A staffing and recruiting firm is looking for a mid-level backend developer to join their Ads Organization. This remote role in the UK requires at least 3 years of experience in software development with a strong proficiency in languages like Go, Python, and Scala. Responsibilities include collaborating with tea ...

Software Engineering Team Lead

Be among the first 25 applicants This range is provided by Harrington Starr. 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 Harrington Starr Associate Vice President @ Har ...

Product Engineer

We’re partnering with one of the most exciting AI-native B2B SaaS startups in London as they scale their engineering team from 7 to 15 over the next 12 months. Their platform is used by hundreds of enterprise brands to power hyper‑personalised go‑to‑market campaigns at scale — combining AI‑generated ...

Senior Software Engineer

Senior Python Engineer – Ipswich (Hybrid) – £65,000-£70,000 Location: Ipswich, hybrid working Salary: Competitive + benefits + equity Tech Stack Backend: Python Architecture: Microservices, distributed systems Cloud: AWS, Azure, or GCP experienc ...

Senior Software Engineer

Senior Python Engineer – Ipswich (Hybrid) – £65,000-£70,000 Location: Ipswich, hybrid working Salary: Competitive + benefits + equity Tech Stack Backend: Python Architecture: Microservices, distributed systems Cloud: AWS, Azure, or GCP experienc ...

Senior Software Engineer

This range is provided by Inara. 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 Inara Scaling Careers & Businesses in Tech @inara Role: Senior Software Engine ...

Lead ETRM Solutions Architect

Castleton Commodities International (CCI) is hiring a Lead ETRM Solutions Architect to expand our Commodities Trading Technology team. This role sits at the center of our end-to-end trading lifecycle and is responsible for defining, architecting, and evolving the applications and integrations that support front- ...

AI/Data Developer (SC Cleared)

1 week ago Be among the first 25 applicants This range is provided by Experis UK. 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 Experis UK Our client a high profile de ...

Power BI developer

Contract Power BI Developer (3–6 Months) Location: Cambridge (3 days per week onsite required) Rate: £300 - £400 per day Contract: Initial 3–6 months (with potential for extension/project-based work) We are working with an established organisation operating across multiple business units, seekin ...

Senior Mobile Engineer Software engineering London

About the Role Checkout.com is on a mission to transform the shopping experience for millions of consumers. As a senior individual contributor in mobile, you’ll help design and build the products we put in the hands of our end users. Working hand-in-hand with our engineering team and prod ...

Senior Mobile Engineer Software engineering London

About the Role Checkout.com is on a mission to transform the shopping experience for millions of consumers. As a senior individual contributor in mobile, you’ll help design and build the products we put in the hands of our end users. Working hand-in-hand with our engineering team and prod ...

DevOps Engineer

This range is provided by Miller Maxwell Ltd. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range £70,000.00-£100,000.00 Direct message the job poster from Miller Maxwell Ltd Our client, a leading financial s ...

Senior Software Engineer

IQGeo Cambridge, England, United Kingdom Join or sign in to find your next job Join to apply for the Senior Software Engineer role at IQGeo 1 week ago Be among the first 25 applicants Join to apply for the Senior Softw ...

Senior Software Engineer

IQGeo Cambridge, England, United Kingdom Join or sign in to find your next job Join to apply for the Senior Software Engineer role at IQGeo 1 week ago Be among the first 25 applicants Join to apply for the Senior Softw ...

AI Driven Cloud Software Intern R&D

A startup focused on sustainable technology is seeking a Software Developer Intern to join their R&D team in London. This role involves designing and implementing cloud-native engineering solutions, developing optimization algorithms, and contributing to various projects aimed at commercialization. Ideal candida ...

Graduate Quant Developer / Researcher Hybrid London

An elite quantitative trading firm in London is seeking an exceptional graduate for the role of Graduate Quant Developer. In a hybrid working environment, you will build high-performance trading systems, research models, and collaborate with leading technologists. This unique opportunity offers a meritocratic cu ...

Hybrid BI Developer — Power BI, SQL & ML for Estates

KBR, Inc. is seeking a Business Intelligence Developer based in Swindon. The successful candidate will develop and maintain Power BI datasets, implement SQL for data transformations, and ensure data accuracy across reports. Responsibilities include monitoring pipeline performance and documenting changes. A stron ...

Senior C++ Engineer Large Scale Pricing & Risk Engine

A leading financial services firm in the UK is seeking a skilled developer with expertise in C++ and Python to work on an entire engine for pricing and risk valuation services. The ideal candidate will have 5 to 10 years of experience in systems software development and be able to contribute to both code writing ...

Rust Quant Developer — Real Time Trading & ML

A major financial recruitment agency is looking for a Rust Quant Developer to help develop a new systematic trading platform for a top hedge fund. This role offers collaboration with a talented team, exposure to all aspects of quantitative trading, and a chance to work on high-quality machine learning systems. I ...

Member of Technical Staff Health AI

Member of Technical Staff - Health AILondon, United KingdomDate postedOct 27, 2025Job numberMIC140404Work siteMicrosoft on-site onlyRole typeIndividual ContributorProfessionSoftware EngineeringDisciplineSoftware EngineeringEmployment typeFull-TimeAt Microsoft AI, our health team is on ...

Member of Technical Staff Health AI

Member of Technical Staff - Health AILondon, United KingdomDate postedOct 27, 2025Job numberMIC140404Work siteMicrosoft on-site onlyRole typeIndividual ContributorProfessionSoftware EngineeringDisciplineSoftware EngineeringEmployment typeFull-TimeAt Microsoft AI, our health team is on ...

Transition Research Fellow

Contract & Job Type Full‑time, fixed‑term for 30 months About Us At the Department of Physiology Anatomy & Genetics (DPAG) we undertake discovery science where we reassemble physiological processes at the molecular, cellular, tissue and systems level of organisation. In so doing ...

Senior Software Engineer – Property Based Testing (London)

Open Source Pledge is seeking a developer for its London team to build Hegel, a new family of property-based testing libraries. You will work on open-source initiatives requiring proficiency in property-based testing and familiarity with languages like Python and Rust. The role emphasizes collaboration and high ...

Senior Research Tech Engineer: HPC & Distributed Systems

XTX Markets in Greater London is seeking a skilled software developer to join their Research Technology team. This role involves managing the high-performance computing (HPC) cluster crucial for trading operations. Candidates should have 5-10 years of experience in system design, proficiency in Golang, Rust, and ...

Software Developer I&C Commissioning (Nuclear)

Assystem in Bridgwater is seeking a motivated Software Developer to support Instrumentation & Control system commissioning on a major nuclear project. You'll design and develop software solutions critical for system startup and performance. Required skills include proficiency in Python, SQL database management, ...

Quant Developer (Rust/C++) for Crypto Trading, Dubai

TechShack is hiring a Quantitative Developer for their trading systems team. This position involves building and maintaining automated trading systems across various exchange venues using C++, Rust, and Python. The ideal candidate has three+ years of experience in production trading systems and solid knowledge o ...

Rates Quant Dev VP: Build Production Trading Systems

A leading financial services firm in the UK is seeking a Quantitative Developer, Rates – Vice President to design and deliver production systems for systematic trading. You'll work closely with researchers and traders to implement resilient, performant algorithms and enhance execution platforms. The ideal candid ...

Junior Quant Developer: DAG Powered Quant Trading

A leading financial technology firm in Greater London is seeking a Quantitative Developer for its Equities Statistical Arbitrage business line. The ideal candidate will have strong Python development skills, experience in the finance industry, and an analytical mindset. Responsibilities include developing quanti ...

Quantitative Developer — Build Market Analytics Models (Hybrid)

A leading financial software firm in the City of London is seeking a Quantitative Developer to design and build algorithms for market surveillance. The role requires proficiency in C#, C++, or Python and a strong mathematical background. The ideal candidate has experience in financial services and is keen to inn ...

Real Time Energy Forecasting Scientist

A profitable energy scale-up in Manchester is seeking a Software Developer to tackle real-world energy challenges. This role involves developing and maintaining software, collaborating on innovative solutions, and problem-solving in a team-focused environment. Ideal candidates will have 3+ years of software deve ...

Backend Developer for Open Targets Platform & OPP

EMBL in Hinxton is looking for a Backend Software Developer to enhance the Open Targets Platform as part of the Open Psychiatry Project. You will lead backend development, tackle complex technical challenges, and collaborate with experts in a vibrant international environment. The position requires str ...

VP Quant Dev — High Performance Finance Tech

Citi is seeking an experienced Quantitative Developer to join the Numerical Performance Group in London. The successful candidate will design, develop, and enhance quantitative libraries for pricing and risk management, utilizing advanced C++ and computational techniques. Strong experience in high-performance co ...

Senior FPGA & Embedded Systems Engineer Broadcast Tech

Zetron, Inc is seeking a Broadcast Product Developer in Whiteley, England, to design and develop advanced broadcast solutions. The role involves working with FPGA technology and embedded software development in Python and C++. Candidates should have strong knowledge in FPGA design, software engineering, and digi ...

Quant Developer: Real Time Data & Risk Analytics

A leading global quantitative hedge fund seeks a Quantitative Developer to build and operate data platforms and risk analytics systems. This role requires 3-7 years of experience in quantitative development and proficiency in Python, SQL, and C#. You will design low-latency components and optimize large datasets ...

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    Senior Full Stack Developer React Python Jobs in United Kingdom Job Search Guide, Trends and Insights