City of London, London, United Kingdom Hybrid / WFH Options
Robert Half
working across the stack - React on the front end, Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features end-to-end Help shape our tech stack You have: Strong React & Python skills API & database experience A proactive, problem-solving mindset Ideally start-up or More ❯
and version control systems like GIT Proficiency in Linux, ARM architectures, and presenting measurement data Knowledge of communication protocols and scientific instrumentation applications Desirable Skills & Experience: Familiarity with Python, Flask, and distributed systems Proficiency in database interaction and SQL queries Experience with cloud infrastructure (e.g., Azure/AWS) and analysis of physical sciences measurements How to Apply: If you are More ❯
and version control systems like GIT Proficiency in Linux, ARM architectures, and presenting measurement data Knowledge of communication protocols and scientific instrumentation applications Desirable Skills & Experience: Familiarity with Python, Flask, and distributed systems Proficiency in database interaction and SQL queries Experience with cloud infrastructure (e.g., Azure/AWS) and analysis of physical sciences measurements How to Apply: If you are More ❯
East Midlands, United Kingdom Hybrid / WFH Options
Movement8
Driving innovation, architecture decisions, and adoption of modern engineering practices What were looking for: Extensive experience building complex applications in Python Strong knowledge of modern frameworks (e.g., Django, FastAPI, Flask) Experience with cloud platforms (AWS, GCP, or Azure) and scalable architectures Strong understanding of APIs, microservices, and distributed systems Background in mentoring or leading engineering teams Passion for solving complex More ❯
Bottesford, Leicestershire, UK Hybrid / WFH Options
Movement8
Driving innovation, architecture decisions, and adoption of modern engineering practices What were looking for: Extensive experience building complex applications in Python Strong knowledge of modern frameworks (e.g., Django, FastAPI, Flask) Experience with cloud platforms (AWS, GCP, or Azure) and scalable architectures Strong understanding of APIs, microservices, and distributed systems Background in mentoring or leading engineering teams Passion for solving complex More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Hays Specialist Recruitment Limited
Python programming experience within Financial Services - Mandatory Good understanding of quantitative finance Good experience developing and optimising Python-based calculators and models. Strong experience developing high-performance APIs using Flask or FastAPI. Expertise in Pandas, NumPy and other computing libraries. Strong experience liaising with front-office stakeholders What you'll get in return Initial 6-month contract with extensions Up More ❯
Crofton Park, Greater London, UK Hybrid / WFH Options
Hays
Python programming experience within Financial Services - Mandatory Good understanding of quantitative finance Good experience developing and optimising Python-based calculators and models. Strong experience developing high-performance APIs using Flask or FastAPI. Expertise in Pandas, NumPy and other computing libraries. Strong experience liaising with front-office stakeholders What you'll get in return Initial 6-month contract with extensions Up More ❯
and automate where necessary Nice to haves Experience meeting WCAG accessibility requirements React Native experience Event-driven systems utilising Kafka, Kinesis, Rabbit MQ Serverless architecture Exposure to Python and Flask What we can offer Competitive salary Highly flexible work culture Private healthcare Life insurance coverage Pension matched up to 6% Generous time off: 25 days of annual leave, plus an More ❯
You have: · Advanced Python proficiency, especially in scalable, clean code architecture and microservices (e.g., FastAPI, Flask, asyncio) · Solid understanding of API integration patterns and inter-servic communication (e.g. REST, Kafka) · Experience with authentication and authorization mechanisms (e.g. OAuth2, JWT, Azure AD) · At least two ML/AI solutions delivered to production, ideally involving document understanding, NLP or search/retrieval More ❯
You have: · Advanced Python proficiency, especially in scalable, clean code architecture and microservices (e.g., FastAPI, Flask, asyncio) · Solid understanding of API integration patterns and inter-servic communication (e.g. REST, Kafka) · Experience with authentication and authorization mechanisms (e.g. OAuth2, JWT, Azure AD) · At least two ML/AI solutions delivered to production, ideally involving document understanding, NLP or search/retrieval More ❯
we modernise and scale our platform. Tech Stack: At least 4 years commercial experience with JavaScript or TypeScript and Node Exposure of Laravel and/or Python (Django or Flask a plus) Familiarity with Drupal and some knowledge of modern front-end frameworks (React, Vue, etc.) What You'll Do: Build scalable applications using modern frameworks and clean architecture Contribute More ❯
City of London, London, Cathedrals, United Kingdom
The Portfolio Group
we modernise and scale our platform. Tech Stack: At least 4 years commercial experience with JavaScript or TypeScript and Node Exposure of Laravel and/or Python (Django or Flask a plus) Familiarity with Drupal and some knowledge of modern front-end frameworks (React, Vue, etc.) What You'll Do: Build scalable applications using modern frameworks and clean architecture Contribute More ❯
their services has grown. What you'll do: Work in a small, experienced product team to deliver innovative AI-driven products. Build scalable back-end systems (Python, Django, FastAPI, Flask) and modern front-end interfaces (React, Angular, Vue). Collaborate closely with engineering leadership in a fast-paced startup environment. Solve complex problems, contribute to architecture decisions, and bring ideas More ❯
Weston-Super-Mare, Somerset, South West, United Kingdom
La Fosse
their services has grown. What you'll do: Work in a small, experienced product team to deliver innovative AI-driven products. Build scalable back-end systems (Python, Django, FastAPI, Flask) and modern front-end interfaces (React, Angular, Vue). Collaborate closely with engineering leadership in a fast-paced startup environment. Solve complex problems, contribute to architecture decisions, and bring ideas More ❯
Peterborough, Cambridgeshire, East Anglia, United Kingdom Hybrid / WFH Options
Crooton
Essential Skills & Experience Proven experience delivering multi-tenancy SaaS platforms in a commercial environment. Demonstrated use of AI-assisted development tools to improve speed and quality. Knowledge of Python (Flask/FastAPI/Django) and/or JavaScript (Node.js, Vue.js, React). Solid database experience ( PostgreSQL/MySQL/MongoDB ) with strong relational design and optimisation skills. Hands-on experience … Tailwind, Bootstrap ). Knowledge of GDPR , data security , and SaaS compliance. Experience integrating OpenAI , Vertex AI , or other LLMs into live products. Tech Stack Youll Work With Backend: Python (Flask/FastAPI), Node.js Frontend: React or Vue.js Database: PostgreSQL/MySQL (Google Cloud SQL), MongoDB Cloud: Google Cloud Run, Cloud Storage, AWS EC2/S3/Lambda Tools: Docker, GitHub More ❯
Hull, North Humberside, North East, United Kingdom Hybrid / WFH Options
Crooton
Essential Skills & Experience Proven experience delivering multi-tenancy SaaS platforms in a commercial environment. Demonstrated use of AI-assisted development tools to improve speed and quality. Knowledge of Python (Flask/FastAPI/Django) and/or JavaScript (Node.js, Vue.js, React). Solid database experience ( PostgreSQL/MySQL/MongoDB ) with strong relational design and optimisation skills. Hands-on experience … Tailwind, Bootstrap ). Knowledge of GDPR , data security , and SaaS compliance. Experience integrating OpenAI , Vertex AI , or other LLMs into live products. Tech Stack Youll Work With Backend: Python (Flask/FastAPI), Node.js Frontend: React or Vue.js Database: PostgreSQL/MySQL (Google Cloud SQL), MongoDB Cloud: Google Cloud Run, Cloud Storage, AWS EC2/S3/Lambda Tools: Docker, GitHub More ❯
about leveraging technology to drive business success. Key Responsibilities: Design, develop, and maintain efficient and reliable back-end systems using Python and SQL . Utilize frameworks such as Django , Flask , FastAPI , Asyncio , Aiohttp , and SQLAlchemy to build scalable web applications. Develop and maintain RESTful APIs , WebSocket , and GraphQL services, ensuring comprehensive documentation with Swagger/OpenAPI . Manage and optimize … and Grafana . Requirements: Proven experience as a Senior Back-End Developer or similar role. Strong proficiency in Python and SQL . Extensive experience with frameworks and libraries: Django , Flask , FastAPI , Asyncio , Aiohttp , and SQLAlchemy . Demonstrated experience in developing and managing RESTful APIs , WebSocket , and GraphQL services. Solid understanding of database management, including PostgreSQL , NATS , Redis , and Min.IO . More ❯
Birmingham, West Midlands, United Kingdom Hybrid / WFH Options
Ashdown Group
you must be an accomplished developer with a passion for technology and ability to lead a team. You will hold proven experience of architecting solutions using Python (FastAPI/FlasK) and will lead the technical designs for APIs, data pipelines, cloud infrastructure and backend orchestration. You will also have experience with AWS, while familiarity with MongoDB would be advantageous to More ❯
use the tools and languages you're most comfortable with. That said, we strongly prefer contributions using our core stack: React/TypeScript on the frontend, and Python/Flask on the backend. 60min technical discussion 30min call with leadership The process does not need to take long - we can be done in seven working days. Other important info: This More ❯
use the tools and languages you're most comfortable with. That said, we strongly prefer contributions using our core stack: React/TypeScript on the frontend, and Python/Flask on the backend. 60min technical discussion 30min call with leadership The process does not need to take long - we can be done in seven working days. Other important info: This More ❯
Birmingham, West Midlands, United Kingdom Hybrid / WFH Options
Ashdown Group
you must be an accomplished developer with a passion for technology and desire to mentor a team. You will hold proven experience of architecting solutions using Python (FastAPI/FlasK) and will lead the technical designs for APIs, data pipelines, cloud infrastructure and backend orchestration. You will also have experience with AWS, while familiarity with MongoDB would be advantageous to More ❯
Teversham, Cambridgeshire, United Kingdom Hybrid / WFH Options
SR2
Senior Software Engineer 55,000 - 65,000 Cambridge Python Django/Flask/FastAPI GCP/AWS/Azure Location: Cambridge, UK (hybrid/remote-first) Salary: 55,000 - 65,000 FTC: Fixed-term contract (18months) Tech Stack: Essential: Backend: Python (Flask/FastAPI/Django) Cloud Systems: AWS, Azure, GCP Bonus: Frontend: React/TypeScript Are you an experienced … touch at (url removed) or drop me a call for a confidential chat at (phone number removed). Senior Software Engineer 55,000 - 65,000 Cambridge Python Django/Flask/FastAPI GCP/AWS/Azure More ❯
Develop and optimize Python calculators for: Historical index back-testing Daily pricing and index computation Weighting and rebalancing logic Attribution and decomposition analytics Build robust APIs using FastAPI or Flask Collaborate directly with business users to gather requirements and iterate quickly Implement testing, versioning, and data validation processes Ensure integration with internal data sources and reporting tools Required Skills 5+ … years of Python development experience, ideally in financial services or commodities Strong proficiency in Pandas , NumPy , and time-series data manipulation Proven experience with FastAPI or Flask Familiarity with large datasets and real-time data pipelines Excellent debugging, profiling, and performance optimization skills Strong communication skills and ability to work with non-technical stakeholders Preferred Skills Experience with commodities indices More ❯
enhance Python-based models for: Historical index back-testing Daily pricing and index level generation Weighting and rebalancing logic Basket decomposition and attribution analytics Design and deploy scalable APIs (Flask/FastAPI) for internal and external tools. Partner with business users to gather requirements and iterate quickly on solutions. Implement testing frameworks, version control, and data validation processes. Integrate with … platforms. Required Skills 5+ years' Python development experience, ideally within trading, risk, or financial services. Strong background with Pandas, NumPy, and data science libraries . Hands-on experience with Flask or FastAPI for API development. Proficiency in time-series data manipulation and back-testing methods. Experience working with large datasets and real-time data pipelines . Strong performance optimisation and More ❯