London, South East, England, United Kingdom Hybrid / WFH Options
Lorien
Senior PythonEngineer - Remote - Outside IR35 Our client are currently looking to hire a Senior PythonEngineer who is fluent in Python, Flask, Sqlalchemy and Postgres, to join the team on a fully remote working contract basis. In this role as an experienced PythonEngineer you will have experience of running multiple different … business needs Be a go-to person for backend excellence, and improve code quality Engineering centric requirement definition (user stories) and analysis This means you must: Be fluent in Python, Flask, Sqlalchemy and Postgres Be able to effectively design APIs and database/object schemas Know how to strike the right balance between pragmatic agile iterative development and longer More ❯
Software Engineer, Python page is loaded Software Engineer, Python Apply remote type Flex/Hybrid locations London, United Kingdom Amsterdam, NL time type Full time posted on Posted 30+ Days Ago job requisition id R-4020 Job Description Building trusted markets - powered by our people. At Cboe Europe, we inspire our people to solve complex challenges … diversity, equity and inclusion, giving associates a safe space to network, share ideas and create opportunities. Sound like the place for you? Join us! Cboe Europe is seeking a Python Software Engineer. As part of a small, talented development team, you will help build and expand the batch functionality of the largest equities exchange in Europe. We are firm … be responsible for: Working closely with our business development and sales teams to develop innovative new products and features for our exchanges. Designing and building highly reliable, highly testable Python systems to support Cboe Europe's trading operations. Participate in various R&D projects to identify and implement promising new technologies. Providing operational support for Cboe Europe's trading More ❯
Senior Software Engineer (Python) -London Senior Software Engineer - Python - London/Home office The company: Through the power of AI and Big Data this company have developed a number of data driven tools and platforms aimed at delivering a transparent financial solution. Focusing purely on sustainable investment! If you want the leave the planet clean and … ethos of this company. This group has 4 arms: A Data Provider: Assessing the performance and sustainability of companies worldwide. AI: An advisory and technology company with an AI engineer for forecasting investment opportunities Asset Management: Investment management company investing in sustainable equities They focus on R&D of AI, ML, Data, Finance and sustainability. You will be based More ❯
CONTRACT PYTHON/DATA ENGINEER - DV CLEARED NEW OUTSIDE IR35 CONTRACT OPPORTUNITY AVAILABLE WITHIN A LEADING NATIONAL SECURITY SME FOR A PYTHON/DATA ENGINEER WITH DV CLEARANCE Contract job opportunity for a Data Engineer National Security & Defence client Outside IR35 12 month rolling contract Central London based organisation in an easily accessible location To … apply please call/or email WHO WE ARE? We are recruiting a contract Python/Data Engineer to work with a National Security & Defence SME in central London. Due to the nature of the work, you must hold UKSV/MOD or Enhanced DV Clearance. WE NEED THE PYTHON/DATA ENGINEER TO HAVE.... Current … DV Security Clearance (Standard or Enhanced) Experience with big data tools such as Hadoop, Cloudera or Elasticsearch Python/PySpark experience Experience With Palantir Foundry is nice to have Experience working in an Agile Scrum environment with tools such as Confluence/Jira Experience in design, development, test and integration of software Willingness to learn new technologies TO BE More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Revybe IT Recruitment Ltd
Mid-Level Fullstack Engineer (Python/TypeScript/React) Fully Remote 6 months contract - Outside IR35 Up to £255 P/D The Role We’re looking for a mid-level Fullstack Engineer to join our product engineering team. You’ll work across the stack, from designing intuitive frontends with React TypeScript to building robust backend services … with Python . This role is perfect for someone who thrives on variety, enjoys problem-solving, and wants to grow their technical depth while contributing to real-world impact. What You’ll Do Design, develop, and maintain fullstack applications using Python (backend) and React/TypeScript (frontend) Collaborate with product managers, designers, and other engineers to ship features … end-to-end Write clean, testable, and maintainable code What We’re Looking For 3+ years of professional software engineering experience Strong proficiency in Python (e.g., Django, FastAPI, or Flask) Experience building web applications with React TypeScript Familiarity with relational databases (PostgreSQL/MySQL) and ORM tools Comfort with Git, CI/CD, and modern dev workflows A collaborative More ❯
A Mid Level PythonEngineer is required to join a Fintech company developing next generation tools for how companies get funding and optimise their working capital. 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 Python Engineers, Data Scientists, and financial experts, who are building the next generation of financial toolsscalable, secure, and smart. 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, you will contribute to the design, development, and delivery of scalable, high-impact features across our platform. Youll work closely with experienced engineers, product managers, and data scientists to build reliable systems that solve complex financial problems. This role offers an excellent opportunity to deepen your technical expertise, take ownership of individual projects More ❯
Software Engineer (Python) 3 year programme | Inside IR35 | Hybrid Python | C++| Urban Digital Twins | Model Optimisation | Simulation Engineering | Kafka | Production ML SR2 is working with a global consultancy on a ground-breaking urban digital twins project for a major city modernising its infrastructure. With significant investment backing, this programme is looking at how to optimise everything from … foot traffic and vehicle flow to energy consumption and city-wide systems performance.We’re looking for a Software Engineer with strong Python skills and experience working alongside data scientists to optimise and productionise ML models . The core simulation engine is built in C++ , so any experience with C++ in high-performance environments is a major plus. Key … Responsibilities: Work with data science teams to optimise predictive models and deploy them at scale Build robust, scalable services in Python , with performance-critical elements in C++ Contribute to the development of a digital twin platform to simulate and forecast city infrastructure outcomes Collaborate across simulation, data, and software teams to turn prototypes into production-ready solutions (Bonus) Integrate More ❯
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Software Engineer (Python) 3 year programme | Inside IR35 | Hybrid Python | C++| Urban Digital Twins | Model Optimisation | Simulation Engineering | Kafka | Production ML SR2 is working with a global consultancy on a ground-breaking urban digital twins project for a major city modernising its infrastructure. With significant investment backing, this programme is looking at how to optimise everything from … foot traffic and vehicle flow to energy consumption and city-wide systems performance. We’re looking for a Software Engineer with strong Python skills and experience working alongside data scientists to optimise and productionise ML models . The core simulation engine is built in C++ , so any experience with C++ in high-performance environments is a major plus. … Key Responsibilities: Work with data science teams to optimise predictive models and deploy them at scale Build robust, scalable services in Python , with performance-critical elements in C++ Contribute to the development of a digital twin platform to simulate and forecast city infrastructure outcomes Collaborate across simulation, data, and software teams to turn prototypes into production-ready solutions (Bonus More ❯
Python Developer (Software Engineer Programmer Developer Python Fixed Income JavaScript Node Fixed Income Credit Rates Bonds ABS Vue Angular React Agile AWS GCP Buy Side Asset Manager Investment Management Performance Risk Attribution TypeScript Node Finance Front Office Trading Financial Services) required by our asset management client in London. You MUST have the following: Strong experience as a … Python Developer/Software Engineer/Programmer Excellent Python Experience working in Front Office financial trading (eg. Fixed Income, equities, FX or commodities) Some Front End ability (Vue, React or Angular good but not necessary) Agile The following is DESIRABLE, not essential: AWS or GCP Buy-side Data tools such as Glue, Athena, Airflow, Ignite, DBT, Arrow … Iceberg, Dremio Fixed Income performance, risk or attribution TypeScript and Node Role: Python Developer (Software Engineer Programmer Developer Python Fixed Income JavaScript Node Fixed Income Credit Rates Bonds ABS Vue Angular React Agile AWS GCP Buy Side Asset Manager Investment Management Performance Risk Attribution TypeScript Node Finance Front Office Trading Financial Services Pandas Numpy Scipy) required by More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Data Engineer (Python SQL ETL) London/WFH to £80k Are you a tech savvy Data Engineer with experience of working with sensitive patient/healthcare data? You could be progressing your career as a Data Engineer working on Tech for Good application for the healthcare sector that utilises AI and Machine Learning techniques to help … prevent patients from experiencing health crisis. As a Data Engineer you will take ownership of the healthcare data pipelines and platforms, focussing on implementing robust ETL processes and scalable data architectures, collaborating with various teams to deliver high quality data solutions. You'll develop and maintain data infrastructure on Azure Data Lakes and Data Warehouses; create robust data transformation … WFH: You can work from home most of the time, meeting up with colleagues in the London office once a month/quarter. About you: You are a Data Engineer with strong Python, SQL and ETL process experience within the healthcare sector, working with sensitive patient data You have a strong understanding of healthcare data standards (HL7, FHIR More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Principal Data Engineer (Python AWS) London/WFH to £120k Do you have significant experience with Python data engineering and architecture? You could be progressing your career in an impactful, hands-on Principal Data Engineer role at a hugely successful European eCommerce with a customer base of over 10 million. As a Principal Data Engineer … design and architecture discussions, influencing technical strategy and decision making You have experience of coaching and mentoring engineers, fostering a culture of excellence within the team You have expert Python coding skills combined with a thorough understanding of software engineering best practices You have an indepth understanding of data engineering principles and best practices, including data modelling, observable ETL … You have experience with AWS and tools such as Snowflake You're collaborative and pragmatic with excellent communication skills What's in it for you: As a Principal Data Engineer you will earn a competitive package including: Salary to £120k Pension Life Assurance Health, dental and eye care Employee Assistance Programme Summer hours Work anywhere for 8 weeks a More ❯
balanced with team spirit and adaptability. When priorities shift, we adjust together, always keeping customer satisfaction at the center of what we do. We are looking for a Senior PythonEngineer to develop and maintain web applications using Python and Flask. You will work on building scalable, high-performance web applications with a focus on backend technologies. … an environment that values collaboration and customer happiness above all, you'll find yourself at home on our team. Key Responsibilities Develop and maintain high-traffic, distributed applications using Python, Flask, Cloud technologies, relational and NoSQL databases Design and implement RESTful APIs and integrate with third-party services Design, implement and maintain high-availability data pipelines (ETL) Break down … with Product and Design in creating high-impact features Propose and participate in team processes improvements Proactively mentor other engineers Skills and Qualifications 5+ years of experience as a Python backend developer Expert knowledge of Python and its main frameworks Experience in building and deploying high-traffic distributed web applications Extensive experience with Git, CI/CD pipelines More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
Full Stack Engineer - Python/Django + React Fully Remote | Outside IR35 | £520/day | 3-month contract (likely extension) Candidate must be UK-based - No Sponsorship Available We are seeking an experienced Full Stack Engineer to join a fast-growing health-tech scale-up on an initial 3-month contract. You'll be working end-to … UIs with developing scalable backend systems, integrating services, and ensuring performance and reliability across distributed systems. What you'll do Deliver full-stack features from concept to deployment using Python/Django and React/TypeScript Build and enhance dashboards, admin panels, APIs, and backend processes Improve system observability, monitoring, and debugging capabilities Work in a collaborative, agile team … with 2-week sprints and daily stand-ups Engage in discovery work and adapt quickly to shifting priorities Tech stack Must have: Python, Django, React, TypeScript Nice to have: Ruby on Rails, Next.js, distributed systems experience, observability tooling What we're looking for Strong experience delivering both frontend and backend features Ability to translate requirements into clean, maintainable, and More ❯
Senior Machine Learning Engineer - Python/TensorFlow/Keras/PyTorch/scikit-learn Wyatt Partners are working with the founders of an innovative Machine Learning startup to hire an experienced Machine Learning Engineer. They see the Senior Machine Learning Engineer quickly developing into the 'Head of Machine Learning' as the team & company grow over the coming … from leading institutions. Their AI solution addresses a traditional problem faced by various industries, offering a strong first-mover advantage with no natural competitors. The current tech stack includes: Python, TensorFlow, Keras, PyTorch, and scikit-learn. The Senior Machine Learning Engineer will be responsible for: Developing cutting-edge algorithms Building data management pipelines to automate updates of core … experience in developing, building, and deploying ML & AI applications at scale. The company offers a competitive base salary and an equity package. Apply now for the Senior Machine Learning Engineer role. More ❯
Overview Company Crypto-native algorithmic trading firm Job PythonEngineer - Trading Systems Focus Real-time data, trading infrastructure, internal tools Team Tight-knit, global team with strong engineering culture Stack Python, Linux, SQL, optional C++ Location London Hybrid Flexible working (not fully remote) Salary Up to £130,000 base + bonus Benefits Private healthcare, pension, relocation & visa … support, regular team events, high-spec workspace If you love writing clean Python and want to ship code that genuinely powers the markets, this is for you. You'll join one of the sharpest trading system teams in the digital asset space. This isn't about fluff or speculation, this team has real tech, real trading volume, and real … traders, quant researchers, and infrastructure engineers, and you won't be drowned in layers of hierarchy or endless meetings. You'll thrive here if: You're confident writing modern Python in production You've worked with SQL databases (PostgreSQL a bonus) You're happy working in Linux and aren't afraid of the command line You like working in More ❯
Lead Python Developer MedTech/AI Up to £100k Central London - Hybrid - 1-2 days a week on-site Up to £100,000k MedTech/Tech for Good Seed Funded AI Start-up Tech Stack: Python, FAST API, AWS (Server-less) Join a scaling, tech-driven business where your work will directly impact patient outcomes and reduce health … care inequalities using the power of AI. We're partnered with an emerging medical technology innovator on the lookout for a Lead Python Software Engineer to design and develop the backbone of AI-driven health care solutions. This is your opportunity to join a mission-driven team that's revolutionising patient care and clinical work flows with cutting … models and real-time data tools. Collaborate with AI and predictive modeling experts to create impactful applications to positively impact the lives of millions of people Drive innovation using Python, FastAPI and AWS infrastructure tools (EC2, S3, RDS, Lambda, etc.), SQL/NoSQL What We're Looking For: Experience working with autonomy and taking the lead of back end More ❯
technology in-house , using new data sources, machine learning and AI to make machines do the heavy lifting About the role We're looking for an experienced full-stack Pythonengineer to join us as the newest member of the Internal Tools team.Our mission is to deliver tools that maximise the effectiveness of employees at Lendable. The team … deliver value in a rapidly evolving, and often ambiguous space, working closely with product and end-users to find impactful solutions. What we're looking for Solid experience with Python in a web application context . You have some experience with web frameworks like FastAPI , Django or Flask , we use FastAPI . Experience with Javascript/Typescript and a More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Backend Software Engineer/Developer (Python C++ Grid Computing) London/WFH to £135k Are you a skilled backend Software Engineer with C++ and Python coding skills combined with financial trading systems experience? You could be progressing your career in a senior, hands-on Backend Software Engineer position at the Investment Management arm of a … global bank. As a Backend Software Engineer within the Grid computing team you will help to evolve a new framework for high performance grid computing to be used for large scale analytical computations including Risk. You'll collaborate closely with Quantitative Analysts, working across the full software development lifecycle with a focus on Python and C++ backend development. … You'll join colleagues in the London, City office with flexibility to work from home once a week. About you: You have strong backend software engineering experience with both Python and C++ You have a good knowledge of analytics and Risk for one or more financial products You have a strong knowledge of Computer Science fundamentals such as OOP More ❯
Senior Python Software Engineer Contract - Outside IR35 Day Rate: Up to £725 (DOE) Immediate Start Location: UK Remote Opportunity: Our UK leading client is seeking experienced Senior Software Engineers who enjoy building products end-to-end. You’ll join a collaborative team where your expertise in backend systems (with Python as a core strength) will help shape … While you’ll have the chance to work across the stack, backend problem-solving and scalability will be central to this role. Your Experience: 5+ years professional experience with Python (or a comparable language) Solid understanding of modern web application design Hands-on experience with JavaScript/TypeScript and NoSQL databases Knowledge of event-driven architectures Strong background in … shape our engineering culture by mentoring, sharing knowledge, and encouraging best practices Push boundaries, challenge assumptions, and ensure delivery of meaningful solutions Tech Stack: Cloud: GCP, AWS, Azure Languages: Python, TypeScript, JavaScript Frameworks: Django Rest Framework, Vue.js, container-based and serverless architectures Databases: MongoDB, DynamoDB Tooling & Monitoring: GitHub Actions, CircleCI, Kubernetes, Celery, EventBridge, DataDog Immediate starts available. Candidates must More ❯
Python Modelling Engineer Digital Twin & Simulation London - Hybrid 6 Months + Extensions Our client, apioneering technology company, is seeking a Software Engineer specialising in Python, Digital Twin Cities and Modellingto develop and refine AI-driven simulations. This role will involve building large-scale models to support complex decision-making in urban planning, infrastructure, and beyond. Key More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Ashdown Group
A well-established business is looking for an accomplished Software Engineer with expert Python skills to join its organisation. Please note, this role is Outside IR35. The company embraces hybrid and flexible working so you will be able to work fully remotely, with occasional visits (perhaps once per month) to the office in London. Web, software, and AI … enabled technology are fundamental to the success of the business so you must have proven experience of developing great software in Python and an interest in adopting cutting-edge technology.In order to be suitable for this Lead Software Engineer role you must be an accomplished developer with a passion for technology and desire to mentor a team. You … will hold proven experience delivering SaaS projects in Python and will be keenly interested in AI and ML. Experience with AWS and data engineering would be advantageous to your application.In this role of significant responsibility, you will be both a Lead Developer and guide 2 in-house developers and an offshore team. You will act as a technical authority More ❯
team is largely remote, you are welcome to work more regularly, or even full-time, in office if preferred. About the Role We are looking for an excellent software engineer to work on multiple projects across our tech stack, supporting our product which is mobile based. You will need to have strong fundamental engineering skills and be happy working … across a wide range of applications. As a Senior Engineer, you will be responsible for our AWS, Web and Desktop tech stack. This includes: Our AWS cloud (Dynamo DB, Lambda ) Various scripts and algorithms (Python) Our Microsoft Desktop App (Python) Our ASP.Net web app (.Net, C#, JS, Azure) You will interact heavily with our wider team of … to implement new features and improve performance. This is a unique opportunity to work on impactful projects in a fast-paced, innovative environment, including: AWS architecture App development in Python, ASP.Net Problem solve with our team, bringing new perspectives and experience into our team Implement modern best practices and high quality, testable, readable code Identify and fix bugs and More ❯
As a Python Backend Engineer, you'll play a vital role in scaling and maintaining the infrastructure behind our data platform. We deliver high-performance, distributed SaaS solutions that help energy companies make faster, smarter decisions, from pricing to forecasting and analytics. In this role, you'll contribute directly to the reliability, scalability, and performance of our platform … teams and customers. Your responsibilities will include: Collaborate with cross-functional teams to understand business needs and translate them into scalable backend solutions. Develop and maintain backend software using Python with a focus on performance, reliability, and maintainability. Implement new features and extend existing systems while maintaining high engineering standards. Troubleshoot and resolve issues in production, supporting platform stability … quality, maintainable engineering practices. Write documentation for peers and internal users to ensure clarity and knowledge sharing. What You'll Need Proven experience of +5 years as a Backend Engineer in Agile development environments. Proficiency in Python and familiarity with programming paradigms like object-oriented, functional, and event-driven. Knowledge of data structures, algorithms, and their practical applications. More ❯
Python Software Engineer - Trading (Options tools) London (Hybrid) Permanent £100,000-£150,000 base + Bonuses (upto Circa £300k comp) Roc Search have partnered with a trading firm with over a wealth of experience bringing sophisticated technology and people together to operate in markets around the world. The Tools Engineering team intimately collaborates with traders to turn alpha … extract domain models, and build ergonomic, performant and extendable engineering solutions Build, maintain and extend the central trading platform Work with both greenfield and legacy systems across multiple languages (Python, Java, C++, Typescript) Provide on-call support as needed Qualifications: A minimum of 2+ years' experience using Python (preferred) and other languages such as Java, C++, and can More ❯
