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    Senior AI/ML Software Engineer Python, AWS & Kubernetes

    JPMorgan Chase & Co. is seeking a Lead Software Engineer to join their Applied Artificial Intelligence and Machine Learning team in Greater London. This role focuses on transforming banking operations by integrating AI/ML solutions and developing robust APIs and services. The ideal candidate will have proven exp ...

    Senior Lead Software Engineer, Python, Systematic Derivatives Technology

    Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top‑notch technology products. As a Senior Lead Software Engineer at JPMorganChase within the Equity Derivatives Technology, you are an integral part of an agile team that works to enhance, bui ...

    Staff Backend Engineer (C++/Java/Go/Python/Typescript)

    Job Description If you are interested in applying for this job, please make sure you meet the following requirements as listed below.Fastest Growing Start-up in the UK | Defence We are partnered with one of the UK's fastest-growing start-ups. They are a very technically focused group bui ...

    Python Engineer at a Global Private Equity Firm

    Are you a Python Engineer in finance looking to work on greenfield projects? Read the overview of this opportunity to understand what skills, including and relevant soft skills and software package proficiencies, are required.This is an opportunity to join a global private equity firm th ...

    Staff ML Engineer (Python) — Real Time pLTV & Growth

    Dex is looking for a specialist to join a high-growth, profitable technology company in London. This role focuses on designing and scaling production-grade ML systems while optimizing personalized reward mechanisms. Candidates should have a strong background in statistical methods and machine learning, particula ...

    Senior Python Engineer: Real Time Data at Scale

    Partnerize, located in Manchester, is looking for a software developer to work on systems that handle vast data sets and real-time processing. The ideal candidate will have 5-7 years of experience, predominantly using Python, and will demonstrate mastery of relevant technologies such as Kafka and MySQL. Responsi ...

    Senior Python AI Engineer for Live Recommendations (Hybrid)

    Mindera is looking for a Senior AI Engineer to join their team responsible for the AI Stylist, a live, AI-driven product. This production-focused role requires strong Python skills and experience with AI applications, particularly in recommendations. The position involves collaborating with engineers and data sc ...

    Full Stack Engineer (Kotlin and/or Python) – VP

    Full Stack Engineer (Kotlin and/or Python) – VP Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From ...

    System Test Engineer – Tooling (Python/Go, On site)

    hackajob is looking for a System Test Engineer to join Dexory in Wallingford, Oxfordshire. This role focuses on building and maintaining internal tools used in hardware and software blended environments. Candidates should be proficient in Python or Go, have strong debugging skills, and comfortable with Linux. Th ...

    Senior Python Engineer Agile, Cloud and Secure Systems

    Mphasis is looking for a Software Engineer in Glasgow to design and deliver market-leading technology products. This role involves working closely with business and tech teams in an Agile setting, executing software solutions, and contributing to community practices. Candidate must have 5+ years of experience, p ...

    Senior Python/AWS/React Engineer Health Tech (Hybrid)

    Tech4 is seeking a Senior Software Developer in Greater London to design, implement, and maintain their publishing software for health technology projects. The successful candidate will work hybrid, spending some days in the office and the rest remote, earning a competitive salary of £68,000 - 70,000 plus excell ...

    Remote Python Engineer for AI Model Performance (Contract)

    Mercor is looking for a Software Engineer to develop and maintain production-grade Python systems in a remote capacity. The role requires expertise in modular, testable codebases and optimization techniques. The ideal candidate will have a proven track record in top US tech firms, demonstrating deep knowledge of ...

    VP Full Stack Engineer (Kotlin/Python) – Hybrid & Growth

    Citigroup Inc. is seeking a Full Stack Engineer (Kotlin and/or Python) at the VP level to design and develop innovative solutions within Equities Technology. In this role, you'll enhance trader workflow tooling and engage with business users globally. You will have the autonomy to influence technology decisions ...

    Front Office Market Data Engineer (Python/SQL) – London

    A fast-growing hedge fund in London seeks a Technical Market Data Analyst to enhance their evolving team. The role involves collaborating with traders, PMs, and quants to address data needs, while acting as a conduit between front office and data engineers. Candidates should have strong programming skills in Pyt ...

    Customer‑Facing Python Engineer for AI Platform | Equity

    A leading recruitment partner is seeking a Python Software Engineer to develop customer-facing software solutions in a hybrid environment. You will work closely with clients to understand their needs, build applications leveraging large datasets, and collaborate with ML engineers to integrate advanced AI solutio ...

    Elite HFT Developer: Real Time Trading (Python/C++)

    An elite proprietary trading firm in Greater London is seeking talented individuals with a strong background in programming and mathematics. The role involves building high-performance trading systems and collaborating with world-class engineers in a cutting-edge, research-driven environment. Ideal candidates sh ...

    Front Office Quant: Equity Derivatives & Volatility (C++/Python)

    A leading hedge fund in London is seeking a Quantitative Analyst focused on equity derivatives and volatility modeling. The ideal candidate will build and maintain pricing models directly utilized by traders. Responsibilities include developing C++ models, using Python for analysis, and supporting trading strate ...

    Quantum Physics Problem Designer in Python (Project based)

    A project-based AI consultancy is seeking contributors skilled in Python and physics to design computational problems for AI projects. Candidates should possess a degree in Physics and have at least 2 years of professional experience, preferably in applied or research roles. Contributors are expected to work 10- ...

    Lead Backend Engineer, Real Time Trading (C++/Python)

    A leading global trading venue is seeking a seasoned professional for a leadership position focused on low-latency engineering and stakeholder collaboration. Located in London with a hybrid work model, the role requires strong C++ and Python skills, along with a proven track record in modernizing legacy systems. ...

    Senior Product Engineer (Python/React) Tech for good

    Senior Product Engineer (Python/React) - Tech for good Salary: Up to £85k Location: 1-2 days p/week in London (some flexibility) Senior Product Engineer (Python/React) - would you like the opportunity to work for a tech for good organisation operating in the restoration space? They’re cur ...

    Senior Python Engineer: Global Finance & AI Driven Systems

    A technology company specializing in software solutions is seeking experienced engineers in the Greater London area. You will be pivotal in engineering global scale software systems for banking and financial institutions. The role requires strong expertise in Python development and familiarity with AI-assisted t ...

    AI/ML Prototype Engineer — Python & SQL, Hybrid (London)

    N Consulting Limited is looking for a Prototype Engineer to design and develop prototypes using Python for data-driven and AI/ML use cases. Candidates should have over 10 years of experience in machine learning, SQL, and data analysis. The successful applicant will create and evaluate machine learning models, de ...

    Senior Principal Engineer Cloud Lead & Mentor (AWS/Python)

    A tech company in London seeks a Principal Engineer to integrate hands-on expertise with leadership skills in a collaborative environment. This role involves mentoring team members while utilizing AWS, Terraform, and Python. The successful candidate will demonstrate a passion for engineering best practices and a ...

    Senior Python Full Stack Engineer Network Automation Lead

    State Street is seeking a highly skilled senior level developer with network infrastructure experience to join their development team in Greater London. You will work on full-stack solutions for automating network technologies and collaborate closely with network engineers. Candidates should have a Bachelor's de ...

    Senior Full Stack Developer (Python) Networks, Vice President

    Job Description Networks as a Service (NAAS) is seeking a highly skilled senior level developer with network infrastructure experience to join our development team. Your goal is to deliver products to our global network team, assisting with the transformation to an automated network and network s ...

    Technical Lead: Python & Azure AI for Agentic Systems

    ClearRoute is seeking a Technical Lead to oversee delivery for AI and Agentic capabilities on Azure. This role requires strong hands-on experience with Python and Azure services, along with the ability to engage with technical and business stakeholders. As part of a hybrid working model, you will work closely wi ...

    Full Stack Engineer (Kotlin and/or Python) – VP

    For additional information, please review .**Full Stack Engineer (Kotlin and/or Python) – VP**Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating ...

    Senior Python Data Platform Engineer – Finance (SQL, AWS)

    Client Server is seeking a Senior Python Developer for a 12-month Fixed-term Contract in London, offering a salary of up to £180k. The role entails working in a hands-on environment to develop a data platform for Quants and Analysts. Candidates should possess strong Python and SQL skills, with experience in inve ...

    Staff Backend Engineer (C++/Java/Go/Python/Typescript)

    Fastest Growing Start-up in the UK | Defence We are partnered with one of the UK's fastest-growing start-ups. They are a very technically focused group building cutting-edge decision-making technology. The company's founding team has a real pedigree, with backgrounds from the UK Special For ...

    Senior Embedded Software Engineer – C/C++, Python & SQLite

    Java Script Works is searching for a Senior Embedded Software Engineer to join their team in Eastleigh, United Kingdom. This full-time role requires a Bachelor’s degree in engineering and extensive software development experience, particularly in C++. Familiarity with tools like Node.js, Python, and SQLite is de ...

    Senior Python Engineer AI Backend & APIs (Remote UK)

    Spectrum IT Recruitment is looking for a Senior Software Engineer to join a growing team focused on delivering AI-driven solutions. The role is fully remote across the UK and requires strong expertise in Python, API development, and cloud environments. As part of the team, you'll influence how systems are built ...

    Senior Full Stack Engineer – Aviation Systems (Python/.NET)

    NineTech is hiring a Senior Full Stack Developer in West Drayton, offering a salary of £70,000 – £80,000. You will join a collaborative team focused on building advanced software solutions for aviation. Key responsibilities include designing scalable applications, developing backend APIs, and contributing to sys ...

    Senior Python Engineer: Real Time Data Pipelines (Remote)

    Vortexa, a fast-growing technology company in Greater London, is seeking a skilled developer to design and build scalable data pipelines and applications. Candidates should be fluent in Python, experienced with distributed systems and excited about working in a dynamic startup environment. Responsibilities inclu ...

    Hybrid Senior AI Software Engineer Python/TypeScript, AWS

    Liberty IT is seeking a Senior Software Engineer to work on AI research and prototype cutting-edge software features. You will be responsible for delivering high-quality software solutions in an agile environment and contributing to improving CI/CD pipelines. Our ideal candidate has extensive experience in softw ...

    Senior Finance Data Scientist – Hybrid (R/Python/SAS)

    Client Server is looking for a Senior Data Scientist in Newcastle, offering a salary up to £100k plus a hybrid working model. You will be responsible for managing data projects, liaising with clients mainly in finance and banking. The ideal candidate has strong skills in R, Python, SAS, and SQL, and possesses a ...

    Senior Front Office Software Engineer (Python/C#/Java)

    Bank of America is seeking a Software Engineer III in Bromley, England. This role involves developing financial software solutions, collaborating closely with Traders and Quantitative Analysts, and ensuring compliance. The ideal candidate should have extensive software engineering experience, particularly in fro ...

    Senior Python Backend Engineer — Scalable APIs & AI Workflows

    A dynamic scale-up in the fintech space is looking for a Senior Python Developer to join their team in Greater London. In this role, you'll implement robust solutions, design REST APIs, and ensure code quality through testing and reviews. The company offers a competitive salary between £70,000 and £95,000, hybri ...

    Senior Python/Java ML Engineer Life Sciences, Remote

    A leading consulting firm is seeking a Senior Software Engineer with extensive experience in Python and Java to join their team for a high-stakes project in the Life Sciences industry. Ideal candidates will have a PhD or MSc in Computer Science and a proven track record of developing complex applications. This p ...

    Cloud Native Backend Engineer (Java Spring Boot | Python)

    Methods in the City of Westminster is seeking an architect to lead the migration and rebuilding of core architecture using Java Spring Boot within a cloud-native environment. Responsibilities include optimizing technical connectors, rebuilding catalog publication flows, and ensuring real-time synchronization of ...

    External Job Posting Title Senior Software Engineer Python

    Experience and skills we need: Experienced in object-oriented Python programming to build solutions at enterprise scale. API design and management experience using tools and services such as Grafana, FastAPI or RestFul API Experience in optimising and managing databases ...

    Senior Backend Engineer: Python/FastAPI, LLMs & AI APIs

    Weekday AI (YC W21) is looking for a Senior Backend Engineer based in London. You will design and develop scalable backend systems focusing on AI applications and microservices. The role requires 5-9 years of backend experience, strong Python skills, and experience with frameworks such as FastAPI. You will integ ...

    Senior Python API Engineer – AWS SaaS (Remote + Stock)

    Client Server is seeking a Senior Software Engineer / Developer in London who specializes in Python, AWS, and API development. You will design and enhance core platform features while working within a collaborative environment. Opportunities include remote or hybrid work, a competitive salary of up to £100k, and ...

    Senior Python Engineer Remote, AI Driven Production Systems

    Spectrum IT Recruitment is looking for a Senior Software Engineer skilled in Python to join a rapidly growing team focused on AI solutions. This fully remote role involves building production-grade systems, designing APIs, and contributing to deployment strategies. The company fosters an engineering culture that ...

    Fixed Income Python Engineer — Risk Analytics for Trading

    Paragon Alpha - Hedge Fund Talent Business is seeking an experienced Software Engineer to join their risk team in London. You'll be responsible for developing and optimizing risk analytics platforms, collaborating with traders and quants while troubleshooting issues in a fast-paced environment. Ideal candidates ...

    Python Engineer at a Global Private Equity Firm

    Are you a Data Engineer in finance looking to work on greenfield projects? This is an opportunity to join a global private equity firm that is taking a tech-first approach. You’ll be working as a Data Engineer, closely with stakeholders across both investments and technology. This is a hands‑ ...

    ML Full Stack Engineer: Python Backend & AI Systems

    Machine Learning Software Engineer - Full Stack (LLM) London, United Kingdom Bachelor’s degree in Computer Science, Computer Engineering, or a related technical background. Experience Backend software engineering experience in Python. Responsibilities and Requirement ...

    Software Engineer (JavaScript & Python) in Charing IO Associates

    Salary £70,000 - £70,000 per year Requirements We are looking for candidates who possess proficiency in Python, SQL, JavaScript, and TypeScript. Experience with Palantir Foundry architecture is highly desirable. Additionally, we require a consultancy background. Technologies ...

    Backend Platform Architect for AI Systems (Python) + Equity

    SR2 | Socially Responsible Recruitment | Certified B Corporation™ is seeking a Senior Backend Engineer in London to design and build robust backend systems using Python. You will work with a high-calibre startup developing an agentic AI product, focusing on infrastructure and tooling. Responsibilities include de ...

    Software Engineer Python Ubuntu Pro client graduate level

    Join to apply for the Software Engineer - Python - Ubuntu Pro client - graduate level role at Canonical Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is widely use ...

    Backend Engineer – Java/Spring Boot & Python (Hybrid London)

    Methods Business and Digital Technology Ltd is seeking a Back-end Developer specializing in Java Spring Boot and Python to join their private sector team in London. This hybrid role requires 3 days on-site each week. The successful candidate will lead the rebuild of core architecture, optimize technical connecto ...

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