senior python engineer jobs in London

London (GB) / Remote (UK)Octopus Electric Vehicles – Product & TechnologyFull-timeHybridWhat we do.Electric Car LeasingWhy we do it.Greener. Fairer. Future.We’re looking for a Senior Software Engineer (Python) to join our product and engineering team building the systems that power our ability to revolutionise the electric car leasing industry.Our tech...

We've signed up to an ambitious journey. Join us!As Arrive, we guide customers and communities towards brighter futures and more livable cities, it isn't a challenge just anyone could take on. Luckily, we have something to help us make it happen. Our people and our values. We Arrive Curious, Focused and Together. Just as our entire brand is inspired by the...

At Aristocrat, our groundbreaking spirit and relentless pursuit of excellence drive every aspect of our business. As innovators in gaming and technology, we bring fresh thinking and creativity to deliver outstanding experiences daily. We're looking for a Senior Engineer – Python Automation to transform our enterprise organization by automating repetitive...

Jump Trading Group is building the platforms, tooling, and infrastructure that drive its trading efforts. You will work with quantitative researchers and traders to turn ideas into scalable software, balancing performance with usability in a hybrid Python/C++ environment.The role emphasizes research infrastructure, high-performance computing, and...

Lendable is seeking a full-stack Python engineer to join the Central Operations team. You will build and ship internal web applications and AI-powered automations that support our Ops teams, enabling scalable customer outcomes and streamlined processes across Cards, Loans and Motor products.You’ll work with Product, Data Science and Analytics to deploy...

Salary: Up to £200k + bonus Summary Fantastic opportunity for a Python engineer with tech leadership experience to join one of the largest global HFT funds. Unique in their field, they combine the lively, positive spirit of a start-up with the stability of a longer-established player. Sitting centrally within the core development team and using a...

Location(s): UK, Europe & Africa : UK : Manchester BAE Systems Digital Intelligence is home to 4,500 digital, cyber and intelligence experts. We work collaboratively across 10 countries to collect, connect and understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding...

Ncounter Limited's Reliability team seeks an experienced engineer to maintain performance and availability of mission-critical software systems. You will develop automation tools, improve observability, and collaborate with cross-office teams across our London and international offices.Applicants should have 5+ years in Python, Linux, and experience with...

TriloDocs is seeking a Mid-Level to Senior Python Developer with a strong background in AI and LLM technologies. Your responsibilities will include writing clean Python code, designing scalable backend systems, and collaborating in Agile teams on innovative software solutions.The ideal candidate has at least 3 years of experience, a degree in CS or STEM, and...

We are looking for a talented Python Engineer with hands‑on experience building high quality, scalable server less applications. You will work closely with the Lead Engineer to design, build, and enhance the Digital Onboarding Service (DOS) used across the client API Platform.This role is ideal for someone who is strong in Python, confident working with...

Senior Fullstack Engineer Who is Parser? Technology alone does not create impact—the right teams do. Founded in 2018, Parser is a boutique technology services and consulting firm helping global organisations solve complex business challenges through digital transformation, product development and AI enablement. We are a fast-growing team of 340+ engineers...

About Man Group Man Group is a global alternative investment management firm focused on pursuing outperformance for sophisticated clients via our Systematic, Discretionary and Solutions offerings. Powered by talent and advanced technology, our single and multi-manager investment strategies are underpinned by deep research and span public and private...

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 knowledge of RESTful APIs. This position...

Job Responsibilities:  Develop workflows and ELT data pipelines using Python, Spark/PySpark, and Databricks  Onboard enterprise datasets into Palmos, including ingestion, transformation, and validation of data assets  Build, test, and maintain scalable data pipelines and data architectures that support enterprise controls and analytics use cases ...

Nevis Wealth is seeking a Software Engineer (Python) to build the AI platform powering intelligent workflows for the world's top financial firms. You will design and implement Python systems, services, and orchestration layers that accelerate AI development across Nevis.Join a world-class engineering team to craft production-grade AI platforms with a focus...

A financial risk management firm in the UK seeks a Python Software Engineer to join the Client Success Team. The role involves leading the delivery of features and enhancements for the Validus Horizon platform. Candidates should have 3-5 years of software development experience, strong skills in Python, and a background in quantitative disciplines. The...

JPMorganChase seeks a Senior Software Engineer to build and operate low-latency Python services for Rates Live Risk & P&L. You will own delivery end-to-end, including production support, and partner closely with front-office stakeholders to ship changes quickly and safely.The role emphasizes production ownership, rapid iteration, and high-quality delivery in...

ABOUT LENDABLELendable is on a mission to build the world's best technology to help people get credit and save money. We're building one of the world’s leading fintech companies and are off to a strong start:One of the UK’s newest unicorns with a team of just over 700 peopleAmong the fastest-growing tech companies in the UKProfitable since 2017Backed by...

Salary: £46,000 - 50,000 per year Requirements 5+ years of software engineering experience, with a strong focus on infrastructure or platform engineering.Strong production-level Python, including testing, typing, packaging, and dependency management; Bash for scripting.Solid Linux fundamentals and understanding of on-prem infrastructure, including...

Weekday AI, a client of Weekday's, is seeking a Senior Software Engineer with deep Python expertise to join the London-based engineering team. You will design, develop, and maintain scalable backend systems and APIs while shaping technical architecture and mentoring junior engineers.The ideal candidate has 6–11 years of professional Python experience with...