Lead Software Developer Python Jobs in UK

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Senior Python Engineer – Quantum Safe Cybersecurity

A global cybersecurity company is looking for a Senior Python Developer in Belfast. You will design and develop encryption intelligence solutions, build scalable systems, and collaborate across teams. This full-time role requires cloud experience and is suited for someone passionate about software development an ...

Founding Backend Engineer — Python/Django

A leading renewable energy company in London is seeking a passionate backend developer to join their founding team. You will be involved in greenfield projects and have the opportunity to build scalable software solutions. Ideal candidates should have experience with Python/Django and a desire to work in a colla ...

Junior Data Scientist: Real Time Energy Analytics

A dynamic clean energy company located in Manchester seeks a passionate software developer to tackle real-world energy issues. You'll work on innovative projects that utilize Python, SQL, and Typescript, documenting and sharing insights effectively. The role offers significant career growth opportunities in a hi ...

Front Office Python Trading Engineer – Real Time Systems

A global Trading firm is seeking a Front Office Developer skilled in Python to enhance trading technology. In this role, you will collaborate directly with Traders to create high-performance systems and tools that improve decision-making in trading. Ideal candidates will have significant experience in software e ...

Python OR C++ Developer Elite Quant Trading Team (Prop HFT Firm)

Join one of the most elite proprietary HFT firms in Global Macro. Are you among the top minds in programming and mathematics? Have you excelled in IOI , ICPC , TopCoder , Codeforces , or Kaggle ? Perhaps you've competed in International ...

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

Job Description We are seeking a hands‑on Senior Developer to build and operate a highly‑scalable, AWS cloud‑based risk platform leveraging a Snowflake database containing trade data, reference data and market data needed to produce the firm's risk. The majority of development is ...

Senior Python Quantitative Developer Central Risk & Backtesting Platform Quant Hedge Fund

Senior Python Quantitative Developer sought by a specialist and multi-award-winning Systematic Hedge Fund in a brand-new Core team designing and implementing a greenfield centralised Python/SQL/Linux/Docker platform for Backtesting, Pricing, Risk and Performance to be used across all Funds and Investment team ...

Python Developer London Up to £160,000 Starting Base + Exceptional Bonuses/Benefits

Title : Python Developer Client : Elite Multi-Strat Fund Location : London (hybrid) £££ : Up to £160,000 Starting Base + Bonus + Benefits The Opportunity: We're looking to add a ...

Senior Python Quantitative Developer Central Risk & Backtesting Platform Quant Hedge Fund

Senior Python Quantitative Developer sought by a specialist and multi-award-winning Systematic Hedge Fund in a brand-new Core team designing and implementing a greenfield centralised Python/SQL/Linux/Docker platform for Backtesting, Pricing, Risk and Performance to be used across all Funds and Investment team ...

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 ...

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 ...

Software Engineer (Python/ C++) Up to £200k 1st year compensation (Cash)

Software Engineer (Python/ C++) - Up to £200k 1st year compensation (Cash) Salary: Up to £200k 1st Year Compensation (Pure Cash) Location: London (Flex-Remote Options) Skills: Python and/or C++ expertise preferred This firm is ...

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

Senior Software Engineer, C++ and Python, 9 Month FTC, Manchester, COR7567 Apply (by clicking the relevant button) after checking through all the related job information below.Are you a Senior Software Engineer with strong C++ and Python experience looking to work on cutting-e ...

Market Research Analyst (Remote within Europe)

About SlashDataSlashData helps product, platform, and engineering leaders understand how software development is changing in the AI era. For over 20 years, we have helped many of the world’s leading technology companies understand developers, developer ecosystems, and the tools and workflows shaping ...

Market Research Analyst (Remote within Europe)

About SlashDataSlashData helps product, platform, and engineering leaders understand how software development is changing in the AI era. For over 20 years, we have helped many of the world’s leading technology companies understand developers, developer ecosystems, and the tools and workflows shaping ...

Quantitative Developer

Quant Developer This role sits within a global, technology-driven investment firm running systematic and quantitative strategies across financial markets. The firm builds its own trading, research, and data platforms in-house. As a Quant Developer, the role bridges quantitative research a ...

Embedded GPU Developer

Remote working Contract - Embedded Software Developer - Immediate Start IC Resources is working with a leader in Embedded AI Development with a global presence that are looking for contract software engineers with experience of integrating embedded architectures in to AI products. As the rig ...

Embedded GPU Developer

Remote working Contract - Embedded Software Developer - Immediate Start IC Resources is working with a leader in Embedded AI Development with a global presence that are looking for contract software engineers with experience of integrating embedded architectures in to AI products. As the rig ...

Full Stack Python Engineer for Data & Security

A leading simulation and data-analytics company in the UK is looking for a Full Stack Software Developer to enhance their engineering team. This mid-level position requires strong back-end skills, ideally in Python, with a focus on SQL and NoSQL data management. Collaborating with various stakeholders, the succe ...

Engineering Lead SVP

Overview The Department Developer Enablement is a function of the CTO organisation. Our mission is to make it easy and enjoyable for software engineering teams to go from a business idea to delivering an innovative product solution. The main goals are to improve and upgrade our tools, streamline o ...

Chief Architect for Developer Tools 802

We are seeking a Chief Architect for Developer Tools to join our team at Quantinuum. As the Chief Architect for the Developer Tools, you will act as the technical authority for the creation of Quantinuum’s developer tooling, including languages and upper‑stack compilers, logical encodings, emulation and de ...

GenAI Software Engineer — Build Next Gen AI Solutions

A leading investment platform company based in Manchester is seeking a passionate Software Developer (GenAI). This role offers a unique opportunity to work with advanced AI technologies and contribute to innovative solutions in a collaborative cross-functional environment. Candidates should have strong skills in ...

Graduate Quant Developer Greenfield Tech & Trading

An elite global trading firm is seeking a Graduate Software Developer to work on innovative projects that integrate technology, mathematics, and finance. The role emphasizes strong programming skills in languages such as Python, C++, Java, or C#. Candidates will collaborate closely with leading experts and contr ...

Senior Python Engineer — Hybrid, Growth & Impact

Liberty IT in Belfast is looking for a skilled Software Developer to join their team. This role requires expertise in Python programming and a thorough understanding of API design, as well as experience with SQL and MongoDB. The successful candidate will work within an agile framework and mentor junior developer ...

Front Office Investment Systems Full Stack Dev

TESTQ Technologies Limited is seeking a Full Stack Developer for their Front Office team in Greater London. The role involves designing and maintaining internal applications that aid clients' investment processes. Candidates should have 6 years of software engineering experience, particularly in finance, with pr ...

Senior Cloud Platform Engineer (AWS/Azure, Terraform)

PolyAI in Greater London is looking for a Cloud Infrastructure Engineer to design and manage scalable cloud architectures on AWS and Azure. The ideal candidate has 5+ years of experience, strong Python skills, and a background in software engineering. Responsibilities include optimizing resources, improving deve ...

Quantitative Developer: Design & Deploy Production Algos

A leading financial technology firm is seeking a Quantitative Developer to design, code, and implement proprietary systems. The role involves collaboration with researchers and involves strong problem-solving skills and experience in Python and Linux. Ideal candidates will have over 5 years of software engineeri ...

Cloud Engineer: AWS, Terraform & Serverless Innovator

A dynamic software company in London seeks a skilled developer with experience in at least one programming language such as Node.js, Python, or C#. The role offers opportunities in infrastructure automation using Terraform and working within an AWS cloud environment. Candidates should be familiar with CI practic ...

Cloud Engineer (AWS, Python, Terraform) – SC/DV

La Fosse Associates is hiring a Software Engineer / Developer in the UK for a contract position within the public sector. The role requires active SC or DV clearance and experience in AWS, Python, and Terraform. Candidates will design cloud-native applications and support secure, scalable systems. Benefits inclu ...

Senior Software Engineer – Dementia Care Platform

A leading educational institution in the UK is looking for a Senior Software Developer to join their Dementia Research Institute. You will develop innovative healthcare technology and work with a multidisciplinary team to improve the lives of those affected by dementia. The role requires proficiency in programmi ...

Machine Learning Engineer

This range is provided by TechShack. 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 TechShack Recruitment Consultant at TechShack London. Machine Learning Engineer | ...

Backend Developer Bazel

Backend Developer – Bazel Location: London, UKJob Type: Contract Our Product Area, Platinum, has historically owned and operated both our VCS and CI systems in addition to the Fleet Management product for helping developers manage large‑scale software changes. Over the past year we hav ...

Backend Software Engineer C#.Net SQL Hedge Fund

Backend Software Engineer / Developer (C# .Net SQL) *London onsite* to £180k+Are you a technologist Backend Software Engineer 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 managem ...

Backend Software Engineer C#.Net SQL Hedge Fund

Backend Software Engineer / Developer (C# .Net SQL) *London onsite* to £180k+Are you a technologist Backend Software Engineer 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 managem ...

Hybrid IT Manager & Lead Developer – Lead Small Team

A scaling financial services company is looking for an experienced IT Manager or Lead Developer to manage a small team in Solihull, offering hybrid working. The ideal candidate will have a background in team leadership, technical problem-solving, and excellent communication skills. This opportunity is also open ...

Software Engineer

Software Engineer An exciting opportunity for a Software Engineer to join an innovative stealth start-up based near Saffron Walden, working on a wide range of projects focused on developing new technologies and products to solve complex real-world problems. Projects vary in ...

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 ...

Senior Full Stack Developer 2 days a week in London £60 80k

Senior Full Stack Developer - 2 days a week in London - £60-80k I am looking for a Full-Stack Developer to join a fast-growing data and analytics company working at the intersection of data engineering, software development, and AI. This will be to design and build scalabl ...

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 ...

Python Backend Engineer Enterprise REST & CI/CD London

A recruitment agency is seeking a Backend Developer in London. This role offers a salary up to £65,000 p.a. with three office days per week. Responsibilities include developing in-house business systems, collaborating with teams, and following Agile methodologies. Candidates should have proven experience in ente ...

Real Time Data Platform Engineer (Kafka)

A leading online gambling company is seeking a Software Developer to enhance and support their business-critical data platform. You will work in a dynamic environment, engaging in real-time data processing and cloud database management, using technologies like Apache Kafka, Python, and GCP. Ideal candidates will ...

Hybrid Platform Engineer: Internal Tools & Automation

A leading online gaming company is seeking a Software Developer to join their Platform Engineering department. You will work on high-quality scalable solutions, focusing on internal projects using technologies such as Golang, Python, TypeScript, and React. Responsibilities include developing robust applications, ...

Senior Developer: Lead Systems & VAS (Hybrid)

Electus Recruitment is seeking a Senior Developer in Redhill to shape technical direction in bespoke hardware and software solutions. This role involves leading system design, mentoring a team, and working with advanced technologies. Key qualifications include strong experience in Linux environments, proficiency ...

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 ...

Systems Developer: Submission Workflows & CIF Validation

The Society of Research Software Engineering is seeking a Systems Developer to support platforms for journals and data validation services in Chester. The role involves maintaining the checkCIF validation service, improving submission systems, and working with structured scientific data. Ideal candidates will ha ...

Senior Python Engineer: Real Time Data at Scale

Partnerize is seeking a skilled software developer with 5-7 years of experience in Python to develop near real-time data processing systems. The role involves creating scalable and resilient systems while collaborating with architects and maintaining high-quality code. Preferred qualifications include experience ...

Backend & Platform Engineer, Developer Experience

A leading audio streaming service in London seeks a Backend Developer to enhance software development processes. You will develop and maintain features using Java, Python, or Node.js, and work within a flexible, collaborative environment. The ideal candidate will have experience in backend development, strong co ...

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