409,269+ Database Developer Equity Data Optimization Python Jobs in UK — Top Companies Hiring June 2026

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Lead Data Scientist (Model Developer)

Salary: £62,000 - 102,000 per year Requirements We are looking for strong experience developing and deploying deep learning models, particularly for sequential data such as time series or language models. We need a proven track record of leading model development, ...

Senior Data Visualization & Insights Developer

A leading grocery technology enterprise in Hatfield is seeking a skilled Data Product Developer to design and maintain effective data solutions. You will focus on transforming complex data into actionable insights for suppliers and internal teams. The ideal candidate has strong experience in Data Visualisation D ...

Data Scientist / Statistician (Model Developer)

About the Role Data Scientist / Statistician (Model Developer) – focused on feature engineering, insight generation, and machine‑learning model development for underwriting in the financial services market. Responsibilities Develop and maintain machine‑learning models that ...

Data Scientist / Statistician (Model Developer)

About the Role Data Scientist / Statistician (Model Developer) – focused on feature engineering, insight generation, and machine‑learning model development for underwriting in the financial services market. Responsibilities Develop and maintain machine‑learning models that ...

Data Warehouse Developer SQL Server

Data Warehouse Developer | London Market Insurance | Contract - 6 months - up to £550 per day | London - City A pan-European insurer is looking for a Data Warehouse Developer to join their growing team and roll out their Financial Data warehouse to the UK and Europe. This would initially be a 6 m ...

Senior DataStage Developer (Data Mappings)

Senior DataStage Developer (Mappings)Contract: 7 months (Inside IR35)Service: Hybrid Cloud and DataService Area: Big Data ServicesLocation: UK based, remoteWe are supporting a large enterprise programme within the Hybrid Cloud and Data space and are looking for an experie ...

Quant Developer, Market Data – London

Exciting opportunity at one of the fastest growing financial services firms around the world. They offer prime brokerage, clearing and financing across traditional and digital assets, and are now looking to hire world-class software engineers to help build on their success.Responsibilities < ...

Infrastructure Developer

Location: Knutsford Job Type: Contract Industry: Digital Workspace Job reference: BBBH441924_1782118391 Posted: about 3 hours ago Role Title: Infrastructure Developer Location: Hybrid 60% office-40% Remote ,Knutsford Duration: 31/07/2026 Rate £282 MUST BE PAYE THROUGH UMBRELLA< ...

Infrastructure Developer

Location: Knutsford Job Type: Contract Industry: Digital Workspace Job reference: BBBH441924_1782118391 Posted: about 3 hours ago Role Title: Infrastructure Developer Location: Hybrid 60% office-40% Remote ,Knutsford Duration: 31/07/2026 Rate £282 MUST BE PAYE THROUGH UMBRELLA< ...

Python Engineer: Data Pipelines & AWS for Clean Energy

Peaple Talent in the United Kingdom is seeking a skilled Python Software Engineer to join their fast-growing team focusing on clean-energy transition. The role involves developing in-house Python applications, building APIs, and managing ETL pipelines for large-scale data processing. The ideal candidate has over ...

Remote Freelance Data Scientist (Python & SQL) AI Trainer

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 of English proficiency. At Mindrift , innovation meets opportunity. We believe in using the power ...

Remote Freelance GenAI Data Scientist Trainer (Python/SQL)

Mindrift is looking for a Data Science AI Trainer to design and oversee complex data problems for major AI projects. In this fully remote role, you will leverage your expertise in data science and programming to create real-world challenges that enhance AI capabilities. The position requires a Master's ...

Senior SRE Engineer

About us Encord is the universal data layer for AI that helps 300+ AI teams train and run models on the right data. Our platform indexes, curates, annotates, and evaluates data across the full AI lifecycle, from development through production. Trusted by Woven by Toyota, AXA, UiPa ...

Senior Developer

This role is being posted on the Critical Mass job board on behalf of Tribal Worldwide, part of Omnicom Group's DDB Worldwide. The successful candidate will join Tribal Worldwide as an employee. Tribal is a creative force that blends strategy, design, and technology, and we are on the hunt f ...

Senior Python Engineer Front Office Analytics & Trading

A leading technology recruitment company is seeking a Senior Python Developer based in London. The role demands an expert in Python with strong DevOps and data processing capabilities. Key responsibilities include designing high-performance financial software and mentoring junior engineers. Candidates should hav ...

Senior Software Engineer: Python & Java for Data Pipelines

LSEG in the United Kingdom seeks a Python Developer to re-implement and test existing StarMine Quant models and build new models in collaboration with research teams. The ideal candidate has strong knowledge of Python, Java, or Kotlin, and experience in cloud application development. Responsibilities include bui ...

Senior Python Engineer Trading & Risk Platforms

Crisil is seeking a Python Developer with strong experience in trading and risk management systems to build backend applications and data processing logic. The ideal candidate will develop applications, pipelines, and integrations, supporting risk calculations, trade workflows, and reporting. A minimum ...

Senior Developer QIS Technology

Position Summary Senior QIS Developer – responsible for building and enhancing Barclays’ QIS (Quantitative Investment Strategies) platform, delivering high‑quality data solutions and supporting the development of new investment strategies. Works in a fast‑paced environment balancing day‑to‑day del ...

On Site Data Engineer/Analyst — Python, SQL & Snowflake

Randstad Technologies Recruitment is seeking a Data Analyst Programmer/Data Scientist in Larne, Northern Ireland. This role focuses on developing reliable data pipelines, executing analytics, and driving automation across key workstreams. The ideal candidate will have 3-5+ years of experience in data s ...

Trading Systems Developer

Trading Systems DeveloperNextWave Consulting is hiring a mid level Trading Systems Developer to support the build and evolution of financial services technology platforms.This role sits close to trading and data systems and focuses on <s ...

Trading Systems Developer

Trading Systems DeveloperNextWave Consulting is hiring a mid level Trading Systems Developer to support the build and evolution of financial services technology platforms.This role sits close to trading and data systems and focuses on <s ...

Senior Mechanical Engineer, Modular Data Center Design

Orbital Industries is seeking a highly skilled Senior Mechanical Engineer to drive design and optimization of advanced Modular Data Centers. This role involves hands-on research and strategic input for mechanical systems, ensuring performance and efficiency. The ideal candidate will have over 7 years o ...

Data & AI Solutions Consultant

Work Experience In data science, machine learning, and business analytics. Practical experience in coding languages such as Python, R, Scala (Python preferred). In database technologies including SQL, ETL, No-SQL, DW, and Big Data technologies like pySpark, Hive. Accenture ...

Data & AI Science Consultant in London Accenture

Work Experience In data science, machine learning, and business analytics. Practical experience in coding languages such as Python, R, Scala (Python preferred). In database technologies including SQL, ETL, No-SQL, DW, and Big Data technologies like pySpark, Hive. Accenture ...

Software Engineer, Full Stack Applications Ratings Technology

Software Engineer, Full-Stack Applications – Ratings TechnologyLocation: ManchesterFitch Ratings is seeking a Software Engineer to join our global Ratings Technology team in Manchester. You'll build and maintain mission-critical full-stack applications that power how a w ...

Senior Java Software Engineer

Valcon is a fast-growing European consulting, technology, and data company operating across the UK, the Netherlands, Denmark, Sweden, and Croatia. Backed by private equity, we have brought together some of the most exciting companies in consulting to build a modern, results-oriented firm focused on deliver ...

Quantitative Investment Strategies(QIS) Platform Developer

Overview Quantitative Investment Strategies(QIS) Platform Developer Join Barclays’ QA Equity & Hybrid Products team as a QIS Platform Developer to support the next-generation Quantitative Investment Strategies (QIS) platform. Partnering with Trading, Structuring, Strats, and Technol ...

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

Full Stack Engineer (Python and/or Java) – VP page is loaded## Full Stack Engineer (Python and/or Java) – VPApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: Engineer the future of global finance. At Citi, our Tech team doesn’t just ...

Graduate Developer Trading Systems C++ / Python in London Quant Capital

Graduate Developer – Trading Systems (C++ / Python) Location: London, United Kingdom Posted: 10 months ago Quant Capital is urgently looking for a graduate developer to join our high-profile client. We seek graduates or junior engineers keen on trading development. Tech S ...

Junior Java Developer Python, Ruby, Fintech50 in London Quant Capital

Job Opening: Junior Java Developer Location: London Salary: £45,000-50,000 + bonus Quant Capital is urgently seeking a Junior Java Developer to join our high profile client. Our client is an established financial data technology startup, addressing challenges within the ...

Backend Mobile App Developer (Python, Django) in London Rise Technical

Backend Mobile App Developer (Python, Django) London, United Kingdom Tech Stack Frontend Django Framework Frontend Development Python Mobile Backend Candidate Requirements The ideal candidate will have at least 1 year's experie ...

Senior UI Developer (React/Full Stack) – with Java & Python exposure

We are looking for a talented and experienced full stack developer with experience in Finance process within Investment banking for one of our global investment banking clients Primary task would be to Design and develop responsive, high-performance front-end applications using React ...

Software Consultant (Data Collection & Automation)

Software Consultant (Data Collection & Automation) Location: Bath – Hybrid Set-up Contract / Employment type: Short term Contract – Part-time (possibility for extensions) About Ovyo: Ovyo works globally with companies in the TV & Media industries including ...

Remote First Senior Database Infrastructure Engineer

A leading technology company in the UK is seeking a Senior Infrastructure Engineer to enhance its MySQL database performance and reliability. This role involves engineering high-availability environments, optimizing performance, and collaborating with engineering teams. Ideal candidates have strong MySQL experie ...

Remote Go Software Engineer, Database Integrations

ClickHouse, a leading innovative cloud company in the UK, is seeking a Software Engineer for Database Integrations. The role involves designing high-throughput data integrations and solving complex database challenges. The ideal candidate has over 5 years of experience, is proficient in Go, and possess ...

Senior Cloud Database Engineer(Night Shift)

At NiCE, we don’t limit our challenges. We challenge our limits. Always. We’re ambitious. We’re game changers. And we play to win. We set the highest standards and execute beyond them. And if you’re like us, we can offer you the ultimate career opportunity that will light a fire within you.At NICE, we ...

Database and Finance Administrator at Romerils

Database and Finance Administrator (33–39 hours per week, Monday–Friday) We are looking for a highly organised and detail-focused Database and Finance Administrator to support our Administration Department. Responsibilities Maintain product, supplier and customer data ...

Database and Finance Administrator at Romerils

Database and Finance Administrator (33–39 hours per week, Monday–Friday) We are looking for a highly organised and detail-focused Database and Finance Administrator to support our Administration Department. Responsibilities Maintain product, supplier and customer data ...

Oracle Database Application Support Team Lead

Job DescriptionPlease note, role can be remote or hybrid, subject to location.We are seeking a highly capable Oracle Database Application and Support Team Lead who remains hands‑on technically, while providing technical leadership and direction to a team of ana ...

Oracle Database Application Support Team Lead

Job DescriptionPlease note, role can be remote or hybrid, subject to location.We are seeking a highly capable Oracle Database Application and Support Team Lead who remains hands‑on technically, while providing technical leadership and directi ...

Oracle Database Application Support Team Lead

Job DescriptionPlease note, role can be remote or hybrid, subject to location.We are seeking a highly capable Oracle Database Application and Support Team Lead who remains hands‑on technically, while providing technical leadership and direction to a team of ana ...

Oracle Database Application Support Team Lead

Job DescriptionPlease note, role can be remote or hybrid, subject to location.We are seeking a highly capable Oracle Database Application and Support Team Lead who remains hands‑on technically, while providing technical leadership and directi ...

Staff Machine Learning Engineer, ML Efficiency

Staff Machine Learning Engineer, ML Efficiency Remote - United Kingdom Location: Reddit has a flexible first workforce. Don't live near our office? No worries: you can work remotely from anywhere in the UK or the Netherlands. About the Team The ML Efficienc ...

Senior Lead Software Engineer Python, Data, Cloud, AIML

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level.As a Senior Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bank's Markets Research Technology team, you serve as a seasoned member of an agile team to design and ...

Senior Lead Software Engineer Python, Data, Cloud, AIML

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level.As a Senior Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bank's Markets Research Technology team, you serve as a seasoned member of an agile team to design and ...

Senior Python Engineer — AR/VR Data Capture Systems

A global technology firm based in London is seeking an experienced Software Engineer to join their Reality Labs research team. The role involves developing software for prototype wearable devices and optimizing data collection platforms. Candidates should have over 8 years of experience, strong Linux skills, and ...

Senior Data Scientist: GenAI & ML Impact in Python

Dufrain is looking for a Senior Data Scientist proficient in Python and experienced with ML and GenAI projects. The successful candidate will engage in delivering ML solutions using tools like Hugging Face and LangChain. This full-time role is based in Greater London and offers competitive compensation. Ideal ca ...

Market Data Software Engineer (C++/Python) — Global Trading

A diversified trading firm is seeking a Software Engineer for its Market Data team. The role involves building and supporting a C++ technology stack for global trading operations. Candidates must have extensive experience with high-performance C++ applications, along with strong Python skills. Responsibilities i ...

Senior Lead Software Engineer Java/Python, Data Platform

Join JPMorgan Chase as a Senior Lead Software Engineer within Corporate Risk Technology in London. You will design and enhance advanced data engineering solutions to deliver secure, stable, and scalable technology products. Collaborate with agile teams while driving innovation across multiple technical areas. Th ...

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    Database Developer Equity Data Optimization Python Jobs in United Kingdom Job Search Guide, Trends and Insights