139,361+ Software Developer C Python Sql Finance Data Jobs in London, UK — Local Employers Hiring June 2026

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Software Developer C# Python SQL Finance Data

Software Developer / Engineer (C# Python SQL) London / WFH to £150k+Are you a data savvy Software Developer with C# and Python coding skills?You could be joining a Hedge Fund with complex work and substantial bonus earning potential.As a Software Developer you will join a growing t ...

Software Developer C# Python SQL Finance Data

Software Developer / Engineer (C# Python SQL) London / WFH to £150k+Are you a data savvy Software Developer with C# and Python coding skills?You could be joining a Hedge Fund with complex work and substantial bonus earning potential.As a Software Developer you will join a growing t ...

Software Developer C++ & Python

Job Title: Software Developer - C++ & PythonJob DescriptionWe are looking for someone to join our software engineering team to be responsible for upgrading and enhancing some internal infrastructure, with a focus on security and maintainability. This role will ...

Software Developer C++ & Python

Job Title: Software Developer - C++ & PythonJob DescriptionWe are looking for someone to join our software engineering team to be responsible for upgrading and enhancing some internal infrastructure, with a focus on security and maintainability. This role will ...

PySpark / SQL Developer Python

Pyspark/SQL Developer – Automation/SQL/PySpark – sought by leading investment bank based in London – Hybrid – Contract *inside IR35 – umbrella* Key Responsibilities: Develop, maintain, and optimize PySpark data processing pipelines. Automate data ...

PySpark / SQL Developer Python

Pyspark/SQL Developer – Automation/SQL/PySpark – sought by leading investment bank based in London – Hybrid – Contract *inside IR35 – umbrella* Key Responsibilities: Develop, maintain, and optimize PySpark data processing pipelines. Automate data ...

Software Developer C#.Net SQL Hedge Fund

Software Developer / Engineer (C# .Net SQL) *London onsite* to £180k+Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a Software Develope ...

Software Developer C#.Net SQL Hedge Fund

Software Developer / Engineer (C# .Net SQL) *London onsite* to £180k+Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a Software Develope ...

Data Scientist Python SQL

Data Scientist (Python SQL) London / WFH to £70kOpportunity to progress your career as a Data Scientist at a Tech for Good company that is enabling life changing education to be accessed by students around the world.What's in it for you:Salary to £70k25 days holida ...

Data Scientist Python SQL

Data Scientist (Python SQL) London / WFH to £70kOpportunity to progress your career as a Data Scientist at a Tech for Good company that is enabling life changing education to be accessed by students around the world.What's in it for you:Salary to £70k25 days holida ...

Software Developer Data Pipelines (Python)

Position Overview:We are seeking an experienced Python developer to join our Alpha Data team, responsible for delivering a vast quantity of data served to users worldwide. You will be a cornerstone of a growing Data team, becoming a technical subject matter expert and developing strong working r ...

Software Developer Data Pipelines (Python)

Position Overview:We are seeking an experienced Python developer to join our Alpha Data team, responsible for delivering a vast quantity of data served to users worldwide. You will be a cornerstone of a growing Data team, becoming a technical subject matter expert and developing strong working r ...

Python Software Developer

Python Software Developer Salary: Up to £60k + Share options! Working Model: Fully Remote - UK Wide IC Resources is partnering with a pioneering force in the realm of sustainable innovation. Their breakthroughs aren't just about profitability, they're about making a p ...

Python Software Developer

Python Software Developer Salary: Up to £60k + Share options! Working Model: Fully Remote - UK Wide IC Resources is partnering with a pioneering force in the realm of sustainable innovation. Their breakthroughs aren't just about profitability, they're about making a p ...

Python Developer FastAPI SQL Databricks

Python Developer / Backend Software Engineer (FastAPI SQL Databricks) London to £95kAre you a data centric Python Developer with strong SQL and FastAPI skills?You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provid ...

Python Developer FastAPI SQL Databricks

Python Developer / Backend Software Engineer (FastAPI SQL Databricks) London to £95kAre you a data centric Python Developer with strong SQL and FastAPI skills?You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provid ...

Junior Software Developer Java, C#, Python (London)

Vantage Point in London is looking for a Junior Software Developer proficient in Java, C#, and Python. In this full-time role, you will write and maintain code for innovative applications and systems. Ideal candidates will demonstrate their coding skills and familiarity with the mentioned technologies. A competi ...

Senior Software Developer Trading Systems (C#, .NET, SQL)

A leading IT recruitment agency is seeking a Senior Software Developer specializing in trading systems. The successful candidate will work on greenfield projects within a collaborative environment, producing high-quality code using C#, .NET, SQL Server, and more. A BSc in Computer Science or Mathematics from a p ...

C# .NET & SQL Developer — Data Visualization & Reporting

Years of Relevant Experience 3+ years Education Level Bachelor's Degree About the Job Our Client is looking to recruit a C# .net Software Developer with SQL skills. The Client produces information for the Oil and Gas industry and you will be involved in helping ...

C# Software Engineer.Net SQL React

C# Software Engineer / Full Stack Developer (C# .Net SQL React) London / WFH to £80kDo you have experience across the full tech stack within a finance environment?You could be progressing your career at a boutique Asset Manager that specialise in Fixed Income markets and have multi-billio ...

C# Software Engineer.Net SQL React

C# Software Engineer / Full Stack Developer (C# .Net SQL React) London / WFH to £80kDo you have experience across the full tech stack within a finance environment?You could be progressing your career at a boutique Asset Manager that specialise in Fixed Income markets and have multi-billio ...

Senior Software Engineer.Net Python SQL FTC

Senior Software Engineer / Developer (.Net Python SQL IaC) London 12 month FTC to £180kAre you a full stack technologist with a product based mindset?You could be progressing your career in a hands on Senior Software Engineer role at a tech driven, global Asset Manager with multiple billi ...

Backend Software Engineer Python FastAPI SQL

Backend Software Engineer / Developer (Python FastAPI SQL Databricks) London to £95kAre you a data centric Backend Software Engineer with strong Python, SQL and FastAPI skills?You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting ...

Backend Software Engineer Python FastAPI SQL

Backend Software Engineer / Developer (Python FastAPI SQL Databricks) London to £95kAre you a data centric Backend Software Engineer with strong Python, SQL and FastAPI skills?You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting ...

Senior Software Engineer.Net Python SQL FTC

Senior Software Engineer / Developer (.Net Python SQL IaC) London 12 month FTC to £180kAre you a full stack technologist with a product based mindset?You could be progressing your career in a hands on Senior Software Engineer role at a tech driven, global Asset Manager with multiple billi ...

Real Time Market Data Backend Engineer (C#, SQL, Python)

Luxoft is looking for a backend developer to design and maintain high-performance systems that process real-time financial market data. The role involves building APIs, data pipelines, and integrating new data feeds within a modern tech stack. The ideal candidate will have strong experience in C#/.NET, ...

Backend Software Engineer C# Python Market Data

Backend Software Engineer / Developer (C# Python Data Lakes) London / WFH to £150k+Are you a data savvy Backend Software Engineer?You could be joining a Hedge Fund with complex work and substantial bonus earning potential.As a Backend Software Engineer you will join a growing team ...

Backend Software Engineer C# Python Market Data

Backend Software Engineer / Developer (C# Python Data Lakes) London / WFH to £150k+Are you a data savvy Backend Software Engineer?You could be joining a Hedge Fund with complex work and substantial bonus earning potential.As a Backend Software Engineer you will join a growing team ...

Python Software Developer Algos

Founded in 1999 and premium listed on the Main Market of the London Stock Exchange, Playtech is a technology leader in the gambling industry with over 7,000 employees across 20 countries. Playtech is the gambling industry's leading technology company delivering business intelligence-driven gambling ...

Python Software Developer Algos

Job DescriptionYour influential mission. You will... Develop our Sportsbook product and applications Implement new features and maintaining production code Design and innovative solutions to complex problems Contri ...

Python Software Developer Algos

Job DescriptionYour influential mission. You will... Develop our Sportsbook product and applications Implement new features and maintaining production code Design and innovative solutions to complex problems Contri ...

Quant Developer (C++/Python) Trading Systems & Data

Jobs via eFinancialCareers is searching for a candidate in Greater London to improve trading infrastructure and automate tasks through programming. This role involves significant coding responsibilities, requiring a strong foundation in programming languages like C++ and Python. The ideal applicant wil ...

Software Developer with C# .net SQL Server and RPG

Software Developer with C# .NET, SQL Server and RPG. This is a full-time hybrid role based in London, offering flexibility for remote work. As a Software Developer, you will develop software solutions, maintain databases, and support system integrations. Strong experience in core banking systems, B ...

Quantitative Developer Python/ C++ London

Hawksworth UK are hiring for a ‘Quantitative Developer’ to join a Global multi-strategy Investment Firm in the UK. This will be a permanent hire for the UK team. London based. The successful candidates will build software, frameworks and solutions that drive quantitative trading. For this position ...

Quantitative Trading Developer Python & C++

Hawksworth UK is hiring a Quantitative Developer to join their London-based team in a permanent position at a global multi-strategy investment firm. The role requires building software solutions that enhance quantitative trading efforts. The ideal candidate will have at least 2+ years of commercial exp ...

Middle Office Developer (C++/Python)

Overview LMAX is looking for a C++ and Python developer to join our middle-office team. This team works closely with the infrastructure, research and treasury teams. In this position you can expect to take a significant role in the development of our trade reconciliation, back‑testing framework a ...

Quantitative Developer C++/ Python – London

World-leading hedge fund looking for experienced Python and C++ Quant Developers to join their new systematic arm in London.Exciting opportunity to join an elite team working to build out and enhance their cutting-edge quantitative trading platform. You will work directly alongside senior PMs, quants a ...

Quantitative Developer Analyst Python C++

Job DescriptionWe’re currently looking to hire a Quantitative Analyst/Developer to join Legal and General Retirement's Investments Quantitative teamThe Investments Quantitative team support the different areas of the wider Investments team (e.g. New Business, ALM, Structuring) with both long ...

Quantitative Developer Analyst Python C++

Job DescriptionWe’re currently looking to hire a Quantitative Analyst/Developer to join Legal and General Retirement's Investments Quantitative teamThe Investments Quantitative team support the different areas of the wider Investments team (e.g. New Business, ALM, Structuring) with both long ...

Quantitative Developer C++/ Python – London

World-leading hedge fund looking for experienced Python and C++ Quant Developers to join their new systematic arm in London.Exciting opportunity to join an elite team working to build out and enhance their cutting-edge quantitative trading platform. You will work directly alongside senior PMs, quants a ...

Senior Python Software Engineer, Finance Data Optimization

LSEG is seeking a mid-level software engineer to join the Optimisation CoreTech Strats team in London. You will contribute to building systems that power large-scale optimisation runs for global financial institutions and collaborate with colleagues to enhance infrastructure and applications. The ideal ...

Senior Developer Risk Technology C#.NET, Python, Snowflake SQL (Vice President)

DescriptionJefferies Financial Group Inc. (‘‘Jefferies,’’ ‘‘we,’’ ‘‘us’’ or ‘‘our’’) is a global full service, integrated investment banking and securities firm. Our largest subsidiary, Jefferies LLC, a broker-dealer, was founded in the in and our first international operating subsidiary, Je ...

Senior Developer Risk Technology C#.NET, Python, Snowflake SQL (Vice President)

DescriptionJefferies Financial Group Inc. (‘‘Jefferies,’’ ‘‘we,’’ ‘‘us’’ or ‘‘our’’) is a global full service, integrated investment banking and securities firm. Our largest subsidiary, Jefferies LLC, a broker-dealer, was founded in the in and our first international operating subsidiary, Je ...

Freelance Data Science Engineer (Python & SQL)

Please submit your CV in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employme ...

Senior Data Engineer (Python / ETL / SQL)

OverviewWe're supporting a large-scale Workday HCM implementation and are looking for several experienced Data Engineers to join the programme immediately.This is a hands-on role working alongside senior stakeholders and delivery partners to support data migration, transformation and inte ...

Senior Data Engineer (Python / ETL / SQL)

OverviewWe're supporting a large-scale Workday HCM implementation and are looking for several experienced Data Engineers to join the programme immediately.This is a hands-on role working alongside senior stakeholders and delivery partners to support data migration, transformation and inte ...

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    Software Developer C Python Sql Finance Data Jobs in London Job Search Guide, Trends and Insights