15 of 15 Permanent Python Software Engineer Jobs in East London

I’m supporting a FinTech AI Product Company who are on the hunt for an experienced Senior Software Engineer to join their FULLY REMOTE engineering team! This is a seriously tech-driven product company that puts a huge emphasis on engineering excellence , innovation , and building something that genuinely helps users . They’re solving complex problems in the … FinTech + AI space, and as a Senior Software Engineer, you’ll play a key role in shaping the product and the tech behind it. You’ll work closely with the CTO and be deeply involved in: Defining architecture and making key technical decisions Leading on project delivery and mentoring other engineers Building greenfield features that solve real … world problems Driving quality and innovation across the engineering team What They’re Looking For: Deep experience with TypeScript , React , Python , AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead projects (and More ❯

Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | Household Name | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Opportunity: We're supporting a fast-moving client with national reach, that needs a Python Software Engineer Contractor with strong experience across Python & AWS . This is a freelance role … within a tech-driven team – Where you’ll be the subject matter expert, designing, implementing, and managing software, platforms and more. What You'll Be Doing as a Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Design and deploy scalable, high-performance software … cause analysis, applying preventive measures to avoid recurrence. Collaborate across teams (QA, DevOps, IT) to troubleshoot and enhance system performance. Maintain clear documentation for configurations, procedures, and troubleshooting. Ensure software meets design goals: performance, modularity, reliability, and maintainability. Core Skills for the Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside More ❯

Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | Household Name | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Opportunity: We're supporting a fast-moving client with national reach, that needs a Python Software Engineer Contractor with strong experience across Python & AWS . This is a freelance role … within a tech-driven team – Where you’ll be the subject matter expert, designing, implementing, and managing software, platforms and more. What You'll Be Doing as a Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK) Design and deploy scalable, high-performance software … cause analysis, applying preventive measures to avoid recurrence. Collaborate across teams (QA, DevOps, IT) to troubleshoot and enhance system performance. Maintain clear documentation for configurations, procedures, and troubleshooting. Ensure software meets design goals: performance, modularity, reliability, and maintainability. Core Skills for the Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | £650 - 750pd Outside More ❯

Job Title: Python Software Engineer Client: Elite High Frequency Trading Firm Salary: £70,000 - £225,000 Base (+ Bonus) Location: London/Hybrid Role: My client is looking for an experienced Python Software Engineer to join their rapidly expanding development team, leveraging Python to streamline and automate critical processes. With a commitment to … join a dynamic team of professionals in an intellectually stimulating environment. Benefits: Exceptional professional growth opportunities in a tech-focused company, allowing you to enhance your skills as a Python Software Engineer at an accelerated pace. Access to state-of-the-art technologies, enabling you to work with advanced tools and frameworks. Highly competitive bonuses and a … with top-tier infrastructure teams in the financial sector. Key Requirements: Degree in Computer Science or STEM based subjects. 2+ years of experience in a relevant role such as Python Software Engineer or Quant Developer. Proficiency in modern software development practices, including version control and agile development methodologies. Strong written and verbal communication skills, enabling effective More ❯

I’m supporting a FinTech AI Product Company who are on the hunt for an experienced Senior Software Engineer to join their FULLY REMOTE engineering team! This is a seriously tech-driven product company that puts a huge emphasis on engineering excellence , innovation , and building something that genuinely helps users . They’re solving complex problems in the … FinTech + AI space, and as a Senior Software Engineer, you’ll play a key role in shaping the product and the tech behind it. You’ll work closely with the CTO and be deeply involved in: Defining architecture and making key technical decisions Leading on project delivery and mentoring other engineers Building greenfield features that solve real … world problems Driving quality and innovation across the engineering team What They’re Looking For: Deep experience with TypeScript , React , Python , AWS , PostgreSQL , and an interest in AI (GenAI a plus!) Bonus points for experience with other backend languages like Go , Elixir , Clojure , Ruby , C++ , Haskell , Scala , etc - Even more for code examples! Proven ability to lead projects (and More ❯

be able to put forward new ideas and suggest new tools to use to help improve the platforms. Specifically, in terms of your experience, you’ll be an experienced Python developer who can bring new ideas to the team. It’s almost essential that you have strong experience of building applications in AWS with a strong data focus. Experience More ❯

A Python Engineer is required to join a Fintech company who specialise in developing software, where sustainability meets profitability. Our client aims to change how corporate finance works, by replacing static, limited and often stale financial metrics with live data-driven insights sourced from direct connections to their clients’ systems. You will be joining a strong team … of Backend Python Engineers, Data Scientists, and financial experts, who are building the next generation of financial tools. If you're an experience Software Engineer whose passionate about Python, excited by financial technology, and eager to build meaningful systems from the ground up, we want to hear from you. As a Python Software Engineer … in a supportive, fast-paced startup environment. Requirements: 1st class - 2;1 Degree in Comp Sci or STEM subject from a Top ranked University 3+ years of experience in Python development Tech: Python, FastAPI, Pydantic, PostgreSQL, AWS DevOps tools: Kubernetes, Docker,Terraform, Jenkins Very strong software engineering principles Enthusiasm for startup environment and cross-functional teams Passion More ❯

Senior Software Engineer – AI Innovation Lab £110-125,000 + Strong bonus and benefits package. London, hybrid working. We’re partnering exclusively with a leading global SaaS Scaleup business as they continue to build out a newly established Innovation lab, a dedicated team focused on applying AI and machine learning to solve valuable business problems across the organisation. … This is a hands-on Software Engineering role, part of a growing team, where you’ll work closely with stakeholders across the business to reimagine their systems using modern tools and cloud-native architecture. You’ll be building from the ground up in a greenfield environment, using technologies like Python, TypeScript, FastAPI, AWS and some Azure while contributing … end, from architecture and prototyping to production → Collaborate directly with business users to shape what gets built The ideal profile: 6+ years’ engineering experience, with strong backend skills (TypeScript, Python) Familiar with modern cloud platforms (AWS or Azure), microservices, and infrastructure as code Comfortable working closely with stakeholders and leading on tech decisions Pragmatic, product-minded and always looking More ❯

We're seeking an experienced Software Engineer to join a dynamic FinTech company revolutionizing the way businesses access finance. As a key member of our team, you'll develop cutting-edge technology that empowers businesses and contributes to a more inclusive financial ecosystem. We are all about leveling up the playing field Looking for: BE Engineer (Python) Full-Stack Engineer (BE Leaning with Python) Office in London, but happy to be flexible on site but ideally 1/week Why Join Us? Make a real impact: Contribute to a mission-driven company that's empowering businesses and shaping the future of finance. Grow your career: Join a high-growth environment with opportunities for professional … part of a vibrant culture: Experience a dynamic and supportive work environment with team events, social clubs, and a focus on employee well-being. About You: You're a Python expert with a strong foundation in back-end engineering principles. You have a deep understanding of relational databases and experience building, managing, and optimizing them (ideally PostgreSQL) You're More ❯

Elite global hedge fund is now seeking a number of Computer Science graduates with a minimum of one years commercial experience in Python back end or React front end software development. The client is known for taking the top 1% of global talent for it's opportunities in it's London offices, and developing their careers within the … technologist at heart. You will have one years experience at a company of scale and now be wishing to then take your career to the next stage. The right engineer will undertake multiple projects with the first one being to help create, build out and maintain a new greenfield platform for quantitative strategies and front-office tools. The successful … candidate will have the following skills/experience - 1-2 years+ commercial experience with Python, Django, React or Rust experience Strong understanding of OO principles, design patterns, data structures & algorithms Bachelors or Masters Degree in Computer Science or very similar, ideally from a top University Personality and genuine passion in technology Elite bonus culture and starting salaries on offer More ❯

Principal 3D Computer Vision Software Engineer, Python, AI, COR7246 Are you a seasoned Computer Vision Software Engineer with a passion for solving complex 3D AI problems and building real-world, high-impact technology? This could be your opportunity to join an ambitious, mission-driven AI company. My client is a well-funded start-up with … a start-up opportunity not to be missed... A chance to build something that matters and has impact! The Role This is a unique Principal 3D AI Computer Vision Engineer position at a company building a cutting edge 3D AI platform. As Principal Engineer, you'll lead 3D/2D vision and machine learning projects from design to … deployment, working alongside talented software and product teams to turn complex 3D data into meaningful, actionable insights - a strong commercial background in 3D Computer Vision, Computational Geometry, or Machine Vision is a must! This role is hybrid, with 2–3 days per week in the London office. What's Required? The ideal candidate for the role will have: Strong More ❯

Software Engineer – AI Startup – Up to 85k Salary: £50,000 - £85,000 + meaningful equity ️ Location : London, flexible working arrangements, ideally 1/2 days in office Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being used … and want to solve real-world problems with the latest in AI and LLMs, this role is for you. In this role, you’ll: Build and ship high-impact software Work on AI/LLM-powered automation tools used in production ️ Help shape scalable systems and infrastructure Work collectively across teams to push the product forward Be working end … adaptable and comfortable working across their stack ✅ Understand the working dynamics of a fast paced start-up If this role sounds like it could be of interest, apply now! Software Engineer – AI Startup – Up to 85k More ❯

Flagship Strats Hire - Top Python Engineers – Market Leading Hedge Fund - Up To £400k tc One of the world's very best trading firms is seeking a flagship hire to join their front office strats team, to carry out a variety of business-critical development tasks. With a combination of data, research, technology, and trading expertise my client has shaped … challenges and grow rapidly. They operate in multiple languages and are the first trading firm of their kind to embrace open-source software. They are currently looking for a Python Specialist with Front Office experience and specific knowledge in Risk, Pricing, Volatility. A high-quality STEM degree alongside a passion to problem solve is also required. Alongside top tier More ❯

Orbis is working with one of London’s most exciting and ambitious commodities trading firms who are looking to hire a number of new Staff Software Engineers with exceptional Python expertise to join their core engineering team. You will be working alongside some of the industry’s most talented Python Developers on a cutting-edge real-time … trading platform, partnering closely with trading and technology teams to deliver impactful, scalable software in a fast-paced, data-rich environment. Your key responsibilities will be: Lead the design and development of scalable backend systems using Python (and/or Go), contributing to a real-time trading platform. Collaborate with cross-functional teams to translate complex business needs … culture. Contribute to the long-term technical roadmap, balancing innovation with robust delivery in a rapidly changing environment. Successful applicants will have: Extensive experience developing production-grade systems in Python and working with distributed systems at a Trading Firm, Hedge Fund or similar. Excellent prior experience contributing to major technology/system architecture decisions A track record of technical More ❯

LLM/AI/Python Software Engineer. AI LLM Research Firm. £120,000 + Equity + Benefits including unlimited holiday. About the firm The capabilities of current AI systems are evolving at a rapid pace. While these advancements offer tremendous opportunities, they also present significant risks, such as the potential for deliberate misuse or the deployment of sophisticated … firm, they aim for a culture that emphasizes truth-seeking, being goal-oriented, giving and receiving constructive feedback, and being friendly and helpful. THE OPPORTUNITY They are seeking a Software Engineer who will enhance their capability to evaluate Large Language Models (LLMs) through building critical tools and libraries. Your work will directly impact their mission to make AI … systems safer and more aligned. What You'll Accomplish in Your First Year 1. Accelerate their LLM evaluations research by leading the design and implementation of software libraries and tools that underpin their end-to-end research workflows 2. Ensure the reliability of their experimental results by building tools that identify subtle changes in LLM behavior and maintain integrity More ❯