Lead Software Engineer Python Java Jobs in London, UK

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Python Engineer – Up to £180,000 + Bonus + Benefits

Python Engineer London (Hybrid) Up to £180,000 + Bonus + Full Benefits Are you the right candidate for this opportunity Make sure to read the full description below. The Opportunity Join a leading global hedge fund where technol ...

Mechanical Engineer & Python Expert Freelance AI Trainer

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 isproject-based, not p ...

Senior AI Engineer Python LLM Finance Consultancy

Senior AI Engineer (Python LLM MLOps) London / WFH to £90kAre you an experienced Software Engineer with a strong knowledge of AI, LLMs and agentic coding?You could be progressing your career at a global finance technology consultancy, working with clients including global Investment Banks ...

Civil Engineer & Python Expert Freelance AI Trainer

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 ...

Optical Engineer with Python Freelance AI Trainer

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 ...

Data Engineer – Spark Python Scala – Financial Services

La Fosse is currently recruiting a contract Data Engineer (12 months) on behalf of a global financial services company.They require an experienced Data Engineer with extensive experience in building and maintaining Data Lakehouses in Azure. The ideal candidate will have a strong background in Python pr ...

Senior Platform Engineer I Database Platform Python

Job DescriptionYou’ll work on high-scale systems used by hundreds of engineers, shaping how we run databases globally through automation, observability, and platform thinking - developing the internal database platform, automation, and tooling that powers hundreds of databases across multiple enviro ...

Senior Python Engineer – AI Utilities Scale Up

Job Description The Role As a senior python engineer, you will join a start-up where the culture of delivery, agile, and accountability is second nature. You’ll join a small team where everyone in the business has an impact on a daily basis and you are given accountability f ...

Entry level Python Engineer — Real Time Pipelines

A fast-growing international technology company based in the UK is seeking an entry-level engineer to design and build infrastructure for data pipelines. The role involves collaboration with software engineers and data scientists to ensure robust, 100% uptime data processes. Ideal candidates will be fluent in Py ...

Senior Python Engineer – Global FinTech Backend (Hybrid)

Grid Dynamics Holdings is looking for experienced engineers in the Greater London area. The successful candidate will be primarily a Python developer with a strong background in developing global-scale software systems for financial institutions. Responsibilities include building complex systems, developing back ...

Senior Python AI Engineer — ML, Infrastructure & Deployment

A leading global online food delivery marketplace is looking for a Senior Engineer to join their Enterprise AI team. In this dynamic role, you will design and deploy AI-powered solutions, optimize data pipelines, and lead technical projects. The ideal candidate will have experience with cloud platforms, strong P ...

Front Office Commodities Tech Engineer (Python/Athena)

A leading global financial services firm is seeking a Front Office Software Engineer to enhance and deliver technology products for Precious Metals and Agriculture trading. The successful candidate will design and maintain trading applications, collaborate with diverse teams, and apply deep technical expertise. ...

Senior Backend Engineer Python/Django (Hybrid UK)

A tech-driven finance company is seeking a Senior Back End Engineer to enhance systems that support its German operations. You will design and build backend services, automate workflows, and influence system architecture as part of a collaborative engineering team. The ideal candidate has extensive experience in ...

Senior Backend Engineer (Rust/Python) – FinTech Platform

A financial technology firm in the City of London is seeking a financial software engineer to join their back-end team. The role involves designing and maintaining cloud-native solutions, working with Rust and Python, and collaborating with stakeholders in the finance sector. The ideal candidate possesses a stro ...

Senior Backend Engineer Python/Django (Hybrid UK)

A fintech company in London seeks a Senior Back End Engineer to build systems for their German operations. You'll develop backend services, simplify workflows, and advocate for quality in engineering. Ideal candidates will have experience in Python, preferably with Django, and relational databases. This role off ...

Founding Full Stack Engineer – Python, Scraping & Automation

CloudDevs is seeking a Founding Engineer based in the UK to lead the technical development of our AI-driven Hospitality Tech platform. You will build features in Python (Django) and manage high-volume data scraping. The role offers a competitive salary between £70k and £90k, along with equity options of up to 2% ...

Backend Engineer FinTech Data Platform (Python/AWS)

A financial technology company in Greater London is seeking a Python Backend Developer to lead technical projects, mentor junior developers, and develop backend services for their platform. This role involves working with Python, Flask, FastAPI, SQL, and AWS technologies. The ideal candidate will have strong col ...

Senior Python Engineer — Real Time Data Pipelines

A fast-growing technology company in the United Kingdom is looking for a mid-senior level data engineer. The role involves designing and building data pipelines using Python, ensuring uptime and fault tolerance. Candidates should have expertise in distributed systems and a passion for continuous learning. The po ...

Remote Senior Backend Engineer Python, Fintech Data

Zepz is looking for a Senior Backend Software Engineer to join their Reconciliation Engineering team in the UK. Your expertise in Python and data models will be essential for automating processes and resolving data discrepancies. You’ll work collaboratively with Finance and Data Operations teams to implement cri ...

Fintech AI Driven Python Backend Engineer (Remote)

A fast-growing fintech startup is seeking a Python Software Engineer to build AI-driven financial technology products. This role offers significant technical ownership and remote-first working conditions. The ideal candidate will have strong commercial experience with Python and backend systems, and show a proac ...

Remote Python/Django Engineer — APIs & Data Pipelines

Digis Corp is seeking an experienced Python/Django engineer to join their remote engineering team. The role will involve collaborating closely with product managers and other engineers to develop APIs and data pipelines for property operations software primarily serving the local government and social housing se ...

Senior Python Engineer Fully remote Agentic AI

Overview Senior Python Engineer - Healthcare We’re looking for a hands-on, production-minded Senior Python Engineer to help build and scale real-world applications. In this role, you’ll develop and deploy robust, production-grade systems that turn advanced analytics into practical solutions ...

Senior Python Engineer: GCP & FastAPI | Hybrid/London

Client Server is seeking a Senior Software Engineer with expertise in Python and GCP in London. You will join a talented team to enhance the core banking platform and tackle new projects. The role offers the flexibility to work from home twice a week in a hybrid model and a competitive salary of up to ...

Senior Python Engineer: AI Code Migration (Remote)

Mindrift is looking for a Senior Python developer with extensive functional testing experience to work on innovative AI projects. This flexible, freelance role supports remote work with opportunities to earn up to $50 per hour. Successful candidates will have 5+ years in software engineering, deep Docker and Lin ...

Senior Python Engineer Product Lifecycle Owner (Remote)

A leading UK-based tech company is looking for a Senior Software Engineer to take full ownership of its software product. This role involves leading development projects from concept to deployment, focusing on quality and scalability. Candidates should have over 5 years of Python experience, strong cloud archite ...

Senior Python Backend Engineer — AI Forward & Scalable

A leading retail company in London seeks a Software Development Engineer III to drive high-quality backend service deliveries. This role combines end-to-end product ownership while integrating deeply with existing systems. Candidates should have extensive experience in Python, Fast API, and cloud technologies. Y ...

Senior Python Backend Engineer — Front Office Platform

A leading financial services recruitment agency is seeking an experienced Python Engineer to contribute to a front office-facing platform within a tier-one investment bank. This role involves building backend services in Python, working on data-intensive workflows, and improving system design. Candidates should ...

Python Automation Engineer — Low Code, n8n & AI

A leading professional services firm in Central London is seeking a Low Code Software Engineer to innovate their automation journey. You will design intelligent workflows using Python and n8n, integrating core business systems and embedding AI agents via Microsoft Azure. Ideal candidates have 2–5 years of experi ...

Senior Python Engineer, Cloud Native AWS & Serverless

A modern financial services firm is looking for a Senior Python Engineer to join their team in the City of London. You will help redesign their technology stack to be cloud-native on AWS, focusing on Python-based services. The ideal candidate should possess solid experience in Python and database technologies, a ...

Senior Python Engineer Demo Data Automation (Flexible)

Global Relay is seeking a Senior Python Software Developer in Greater London to join a dynamic team. In this role, you'll write Python and PowerShell scripts, automate demo data injections, and work closely with cross-functional teams for seamless software delivery. You need over 5 years of Python and 3 years of ...

Senior Python & AWS ML Engineer Production Systems

A leading financial services firm is seeking a Senior Software Engineer to engineer and deploy innovative machine learning solutions. The role involves collaboration with Data Scientists and development of cloud-based frameworks using AWS and Python. Key responsibilities include maintaining applications, leading ...

Senior Frontend & Python Engineer – Hybrid Network Automation

State Street is seeking a highly skilled senior developer in Greater London for full stack development of solutions to automate network technologies. Ideal candidates should have strong proficiency in Python and experience with web frameworks, RESTful APIs, and front-end technologies. The role is hybrid (4 days ...

Senior Python Backend Engineer Remote iGaming APIs

Burns Sheehan is seeking a Senior Software Engineer to join a rapidly scaling iGaming platform as a technical anchor for the backend team. This remote-first position requires strong backend engineering experience, particularly in Python, along with a proven ability in building production-grade APIs. The role inv ...

Platform Automation Engineer Low Latency Infra, Python

A leading systematic trading firm in London is seeking a Platform Engineer to enhance their infrastructure through automation. You will collaborate with a global team, using cutting-edge technologies and practices in a fast-paced environment. The ideal candidate has a degree in Engineering or Computer Science, a ...

Senior Python Engineer Real Time Data & Observability

A software company in London seeks a Senior Developer to enhance their engineering team. This role centers on building data integrations, developing low-latency feeds, and ensuring system reliability. Ideal candidates have a strong background in Python and experience with web-scraping techniques. Applicants shou ...

Backend Engineer for AI Platform | Python & AWS

A technology-driven startup in London is looking for a Software Engineer to build shared platform layers for AI solutions. You will utilize your extensive Python experience to create frameworks and APIs that enhance productivity across product teams. The role is hybrid, requiring part-time office presence, and o ...

Senior Python Backend Engineer — Fast, Scalable Delivery

A leading retail company in Greater London is looking for a Software Development Engineer III to take on a senior engineering role. You'll be responsible for shipping backend services and working closely with front end and data science teams to deliver exceptional customer outcomes. The ideal candidate has a str ...

Senior Python Engineer – AWS, Terraform | Hybrid London

Oliver Bernard is seeking a Senior Python Engineer in London to design, build, and maintain backend services in a hybrid cloud environment involving AWS and Terraform. The role includes developing CI/CD pipelines and collaborating with cross-functional teams. Ideal candidates will have extensive experience with ...

Senior ML Engineer Project Based (Python, GenAI)

Mindrift is looking for machine learning specialists to engage in project-based AI tasks. Candidates should have over 5 years of experience, demonstrating proficiency in Python programming and statistical analysis. Your responsibilities include designing computational problems and verifying solutions using libra ...

Distributed Python & Kubernetes Data AI/ML Engineer

A leading tech firm in London seeks a Python and Kubernetes Software Engineer for a role emphasizing collaboration on data analytics and MLOps solutions. You will utilize open-source tools and contribute to both public and private cloud solutions. Ideal candidates have a technical background in software delivery ...

Senior Python Engineer — Fintech Scale & Impact, Equity

A leading fintech company in Greater London seeks a Senior Python Engineer to design and develop automation for core financial operations. The ideal candidate has over seven years of experience in software engineering, strong skills in Python and SQL, and the ability to collaborate effectively with business stak ...

Staff Machine Learning Engineer (£220,000 | RecSys | Python)

Location: London, 4 days in office (Shoreditch) Salary: Up to £220,000 + Bonus + Compelling Equity This role is with one of Dex’s trusted partner companies. We work closely with their teams to truly understand their culture, goals, and what they’re looking for, so we can match ...

Senior Python Engineer Insurance Pricing Platform (Hybrid)

Travelers Europe is seeking a Software Engineer in Greater London to enhance the hx Renew platform, a pricing decision intelligence tool. The role involves collaboration, mentoring junior engineers, and addressing complex engineering challenges. Successful candidates will bring strong programming skills, particu ...

Data Platform Engineer (AWS, Python) – Remote – Contract

La Fosse is partnered with a global modern tech business looking to hire a Senior Data Platform Engineer (AWS, Python) on an initial 3-month contract basis.Location: Remote, candidates must be UK based Duration: 3 months initial (possible extension)Start date: Early June, ...

Data Engineer III Python, Databricks Senior Associate

Are you ready to shape the future of data engineering at JPMorgan Chase? Join a dynamic team where your unique skills will help build innovative solutions and contribute to a winning culture. You’ll have opportunities for career growth, collaborate with talented professionals, and make a real impact on our bu ...

Data Platform Engineer (AWS, Python) – Remote – Contract

La Fosse is partnered with a global modern tech business looking to hire a Senior Data Platform Engineer (AWS, Python) on an initial 3-month contract basis.Location: Remote, candidates must be UK based Duration: 3 months initial (possible extension)Start date: Early June, ...

Senior Platform Engineer I Database Platform Python

Job DescriptionYou’ll work on high-scale systems used by hundreds of engineers, shaping how we run databases globally through automation, observability, and platform thinking - developing the internal database platform, automation, and tooling that powers hundreds of databases across multiple enviro ...

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