22 of 22 Permanent Senior Python Developer Jobs in the UK

Senior Python Full Stack Developer : Newcastle Upon Tyne (Hybrid) £42,000 – £62,000 (DOE) You’ll be working with a rapidly scaling engineering technology company developing world leading optimisation tools for advanced engineering environments such as offshore wind and marine operations. These tools transform complex algorithms into … intuitive, high performance digital products — they are now seeking a Senior Python Full Stack Developer to help drive the next phase of growth. This role offers genuine technical ownership, exposure to cutting edge engineering R&D, and the chance to build products that directly support the global ...

Senior Python Developer/Software Engineer (Python FastAPI Django) London to £120k Would you like to progress your career in a senior, hands-on role at an early stage AI start-up within the beauty space? As a Senior Python Developer you'll focus on building backend services and FastAPIs using Python as well as integrating LLMs and payment systems into the product. You'll be working with a modern AWS tech stack with Docker, CI/CD and PostgreSQL. You'll be collaborating with a small, talented team ...

Senior Python Developer/Engineer Cirencester to £85k Opportunity to work on complex and interesting systems related to Artic Exploration in a beautiful Cotswolds based office, as part of a small team at a tech start-up, where you can make an impact and progress your career. … Senior Python Developer you will design and develop Greenfield, data centric applications that monitor artic ice flows and various other data points for clients within governments, defence, energy exploration and conservation. You'll focus on Python backend services, taking ownership of projects and working ...

Senior Python Developer (PYTHON/AWS/REACT) - Health tech - tech for good, make a positive impact on the world Highly successful and fast growing organisation has an exciting opportunity for a Senior Software Developer (PYTHON/AWS/REACT). They … this job Able to demonstrate commercial software development experience. Practical experience in system design, development, testing and operational stability. Deep knowledge and experience in Python and its ecosystem, patterns and pitfalls. Experience applying continuous delivery, test driven development and pair programming. Experience of working in an agile environment ...

Senior Python Developer Watford, Hertfordshire (Hybrid) £70,000 - £75,000 per annum + Excellent benefits On behalf of an industry Leading organisation, I am seeking a Senior Python Developer with strong production experience building high-throughput, message-driven platforms. This role suits someone comfortable … Ensure unit tests are implemented and fit for purpose. Research and evaluate new technologies that could benefit the organisation. Design and develop high-quality Python software that meets complex business needs. Ensure code, documentation, and testing align with engineering standards. Deliver solutions that meet acceptance criteria, performance expectations ...

Senior Python Developer/Software Engineer (Python FastAPI Django) London to £120k Would you like to progress your career in a senior, hands-on role at an early stage AI start-up within the beauty space? As a Senior Python Developer you'll focus on building backend services and FastAPIs using Python as well as integrating LLMs and payment systems into the product click apply for full job details ...

Senior Python Developer - Banking London, UK | Hybrid | c.£ depending on experience Permanent Brief We're hiring a Senior Python Developer to join a high-performing engineering team within a banking environment. Key Responsibilities Build and scale Python-based backend systems and APIs Work … high-availability, data-intensive applications Collaborate with engineering, data, and business teams Required Experience Strong Python experience (Django, Flask or FastAPI) Proven backend/API development experience Experience within banking or financial services Exposure to cloud (AWS/Azure/GCP) and modern engineering practices Nice To Have Microservices ...

senior-level Full Stack Developer who thrives on solving complex problems and turning innovative ideas into powerful, real-world applications? Do you enjoy working with Python at scale, shaping user-focused web platforms, and having genuine influence over technical direction and product development? Looking for a permanent … purpose-driven organisation? Gillespie Recruitment are delighted to be working on behalf of an innovative and rapidly scaling technology business to recruit an experienced Senior Python Full Stack Developer based in Newcastle upon Tyne. This is an exciting opportunity to join a forward-thinking organisation developing world ...

client is seeking a Senior Python Developer to join a growing consultancy delivering user-centred digital solutions. This role offers the opportunity to work within multidisciplinary Agile teams, designing and building scalable, secure, and high-quality software that delivers meaningful impact for end users. As a senior … solution design, and play a key role in developing both client relationships and internal team capability. This position is ideal for an experienced developer looking to combine hands-on engineering with strategic input and mentorship. Responsibilities • Act as a subject matter expert, ensuring the delivery of high-quality, user ...

SeniorPythonDeveloper(PYTHON/AWS/REACT)-healthtech - tech for good - make a positive impact on the world. HighlysuccessfulandfastgrowingorganisationhasanexcitingopportunityforaSeniorPythonDeveloper(PYTHON/AWS/REACT. Theyarelookingforatalentedindividualwhowilldesign,implement,andmaintaintheirpublishingsoftware,systems, andcustomer-facingdigitalproducts. Requirements Designandimplementsystemsandsoftwaretomeetrequirementsusingappropriatetoolsandmethods. Promotethecreationofhigh-qualitycodebycommitmenttopracticessuchastest-drivendevelopment,pairprogrammingandcodereview. Beresponsibleforthetechnicaldevelopmentofallstagesofsoftwarecreation,includingtesting;ensurethatimplementationmeetssecurity,performance,andsafetyrequirements. Suggestimprovementstothecodebase,developmentprocesses,toolingandworkingpractices.Encourageinnovationbyidentifying,evaluatingandadoptionofemergingtechnologies. Assistwiththedesign,implementation,andtestingofAPIsthatadheretotheOpenAPIspecification Knowledge ...

Senior Python Quant Developer London (Hybrid) The company A growing fintech business building advanced analytics and execution technology for institutional clients across the derivatives space. Their platform is used by leading hedge funds and asset managers to support relative value, volatility, and macro trading strategies. The environment … combines strong engineering standards with close interaction between trading, research, and technology teams. The role This is a senior engineering technology role focused on the core analytics platform that underpins pricing, screening, and execution workflows. You’ll play a key part in designing and evolving production systems used ...

Role: Senior Python/GenAI Developer Location: Dublin (OR) Belfast (Hybrid - 3 Days In-Office) Role Type: Permanent/Full-Time (FTE) Our client is looking for a Senior GenAI Application Developer/Engineer to join their global technology hub in Dublin. This … high-impact, permanent role designed for a Python expert who can move beyond basic AI experimentation and into the engineering of production-grade, autonomous systems. What our client is looking for: The Python Specialist: A developer with 6-10 years of professional experience. You must have 'under ...

Description I am currently working with a London-based financial-services client who are actively seeking a Senior Python Developer to work on the development of a business-critical research and analytics platform.What you'll need to succeed: Strong Python software engineering experience beyond exploratory ...

currently working with a London-based financial-services client who are actively seeking a Senior Python Developer to work on the development of a business-critical research and analytics platform. The full job description covers all associated skills, previous experience, and any qualifications that applicants are expected … have. What you'll need to succeed: Strong Python software engineering experience beyond exploratory or ad-hoc scripting Strong experience xxuwjjq in Equity Factor Model building Hands-on experience working with note... CRWG1_UKTJ ...

Role: Senior Python/GenAI Developer Location: Dublin (OR) Belfast (Hybrid - 3 Days In-Office) Role Type: Permanent/Full-Time (FTE) Our client is looking for a Senior GenAI Application Developer/Engineer to join their global technology hub in Dublin. This … high-impact, permanent role designed for a Python expert who can move beyond basic AI experimentation and into the engineering of productio... LFWQ1_UKTJ ...

Role: Senior Python/GenAI Developer Location: Dublin (OR) Belfast (Hybrid - 3 Days In-Office) Role Type: Permanent/Full-Time (FTE) Our client is looking for a Senior GenAI Application Developer/Engineer to join their global technology hub in Dublin. This … high-impact, permanent role designed for xxuwjjq a Python expert who can move beyond basic AI experimentation and into the engineering of productio... Check below to see if you have what is needed for this opportunity, and if so, make an application asap. ...

looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role involves building backend applications and data processing logic supporting risk calculations, trade workflows and reporting. Key Responsibilities Develop and enhance Python-based applications for trading and risk … Ensure high code quality and test coverage Participate in code reviews and mentor junior developers where required Must-Have Skills Strong experience in Core Python development (6–10 years) Strong SQL skills with ability to handle complex queries and large datasets Experience with Python libraries (Pandas, NumPy ...

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 … tenure. The firm totals around 150 staff, all of whom are office-based three or more days per week. This is a more technical Senior QD role which will involve collaborating with Quantitative Researchers and Portfolio Managers to architect, design and implement scalable solutions, addressing complex business needs. Primarily ...

looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role involves building backend applications and data processing logic supporting risk calculations, trade workflows and reporting. Key Responsibilities Develop and enhance Python-based applications for trading and risk … Ensure high code quality and test coverage Participate in code reviews and mentor junior developers where required Must-Have Skills Strong experience in Core Python development (6–10 years) Strong SQL skills with ability to handle complex queries and large datasets Experience with Python libraries (Pandas, NumPy ...

Senior Software Developer Location: Newcastle Upon Tyne, England, United Kingdom Hybrid, 2 days onsite 1 yr. contract The tech stack spans Node.js and React-style front ends with Spring Boot microservices, cloud deployment on AWS (and some Azure exposure) supported by Git-based CI/CD (GitLab … alongside accessibility testing (WCAG 2.2 with assistive tech such as JAWS/Dragon), plus Infrastructure as Code and data platforms using Terraform, Apache Spark, Python/Airflow, Docker, security scanning (e.g., Trixy, Trend Micro, Wiz) and Juryter Notebooks, integrated with DWP Integration Team products (e.g.Data Access Layer ...

Robert Half are currently working with an innovative client hiring a Senior Full Stack Developer to join a growing software business delivering automation solutions for public sector organisations, including councils, healthcare and emergency services. This is a hands-on role for a strong engineer who can build … product suite focuses on workflow automation, form handling, booking systems, live chat and AI-assisted process improvement. Key skills required: Strong experience with Python and React Good understanding of Azure cloud environments Experience with infrastructure as code, ideally Bicep Comfortable building full end-to-end systems, not just front ...

Hedge Fund - Senior C++ Quant Developer - Equities - Linux - Python - Data/Algos/Low latency Hedge Fund background essential C++ (Version 11 upwards), Linux, Python (nice to have). Trading systems experience - ideally experience working in the equities space. Ideally the technical has experience with algo … implementation. Quantitative Developer - Equities Technology We are in search of a Quantitative Developer to join our team who is passionate about designing, architecting, and implementing low latency C++ systems that are not only robust, resilient, and accurate, but also exceptionally fast. Our team works directly with the firm ...