1 to 25 of 31 Flask Jobs in the UK

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
lead role. Proven expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS ...

Senior Python Full Stack Developer

Hiring Organisation
Gillespie Recruitment Ltd
Location
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£42,000 - £62,000 per annum
client experience Solid knowledge of parallel, virtual, cloud computing and Dockerisation Experience developing background services using multiprocessing and multithreading Excellent technical capability across: Python , Flask, MVT architecture SQLAlchemy and ORM principles PostgreSQL and database design Front-end development using HTML, CSS, JavaScript (jQuery, AJAX, DataTables) Jinja2 and Node Package Manager ...

Front Office Python Developer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
What They’re Looking For Strong Python backend development experience in production environments (at least2 years) Experience building APIs using frameworks such as FastAPI, Flask or Django Good knowledge of at least one Python-compatible frontend framework Strong experience with AWS services and cloud-native development Understanding of event-driven ...

Site Reliability Engineer

Hiring Organisation
RedTech Recruitment Ltd
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Permanent, Work From Home
investigating security or reliability incidents in distributed cloud environments Ability to communicate technical challenges to non-technical stakeholders Familiarity with technologies such as NGINX, Flask (Python), React (TypeScript), PostgreSQL, OpenSearch, Valkey, or Keycloak Experience administering Linux-based systems Experience with CI tools such as CircleCI Exposure to information security compliance ...

Software Developers (Python / C# .NET)

Hiring Organisation
Populus Select Ltd
Location
Stockton-On-Tees, England, United Kingdom
application performance Contribute to architecture decisions and continuous improvement Key Requirements (Python Developers): Strong commercial experience with Python Experience with frameworks such as Django, Flask, or FastAPI Familiarity with APIs, microservices, and cloud environments Knowledge of SQL and/or NoSQL databases Key Requirements (C#/.NET Developers): Strong experience ...

Senior Full Stack Developer - 2 days a week in London - £60-80k

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
decisions, delivery, and continuous improvement of engineering practices. Key Responsibilities Design and deliver scalable, secure web applications Build backend services using Python (e.g. FastAPI, Flask, or Django) Develop modern frontend applications using React and TypeScript Design and maintain RESTful APIs 5+ years’ experience as a full-stack developer AI & Modern ...

ML Ops Engineer | York Hybrid

Hiring Organisation
Oliver James
Location
North Humberside, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Oversee delivery of ML capabilities and support planning and capacity needs * Shape architecture from early design through to production * Build and maintain Python APIs (Flask/FastAPI) for model serving * Develop infrastructure for real-time and batch deployments * Design and maintain CI/CD pipelines for models * Ensure code quality ...

Sr Python Developer – Trading / Risk Platforms

Hiring Organisation
Crisil
Location
City of London, London, United Kingdom
with ability to handle complex queries and large datasets Experience with Python libraries (Pandas, NumPy) for data processing Experience building RESTful APIs/services (Flask/FastAPI/Django) Strong understanding of data structures and performance optimization Experience working with large-scale data processing and performance optimization Working knowledge ...

Python AI Engineer - PropTech - London (onsite)

Hiring Organisation
Transparent Technology
Location
London, United Kingdom
Employment Type
Permanent
engineering practices and mentoring other developers in a high-growth environment. You'll be responsible for architecting and building Python-based systems (FastAPI, Django, Flask), developing and optimising data pipelines, and ensuring systems are scalable, secure, and performant. You'll collaborate closely with product, AI, and design teams to translate ...

Python Deveoper

Hiring Organisation
Focus on WD
Location
Wokingham, England, United Kingdom
problems. Key Responsibilities Develop and maintain high-quality Python code (OOP, data structures, type hints, etc.). Build scalable algorithms and RESTful APIs (FastAPI, Flask, Django). Perform data analysis using Pandas/NumPy and manage SQL/NoSQL databases. Develop optimization models (LP/MILP) using tools like Pyomo ...

Senior Software Engineer

Hiring Organisation
G.Digital
Location
West Yorkshire, England, United Kingdom
using large-scale real-world data to monitor, improve performance, and enhance user experience Skills needed: 🔧Strong backend skills across Python (Flask) and Go, with exposure to Java and TypeScript 🔧 Experience building APIs with GraphQL (Apollo) and working with data stores like Postgres and Bigtable 🔧Cloud expertise across ...

Full Stack Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City of London, London, United Kingdom
technical decisions as the platform evolves and scales Owning meaningful parts of the product rather than small isolated tickets Tech stack Backend: Python (FastAPI, Flask, or Django experience beneficial), Postgres Frontend: TypeScript, Vue 3 Cloud: Azure, GCP, or AWS experience a bonus You do not need to match this exactly. ...

Staff Software Engineer (React/Typescript) | Global AI Infrastructure Business | £150k + equity

Hiring Organisation
Salt
Location
London Area, United Kingdom
workflows for technical users Pragmatic builder. You know when to ship vs. over-engineer Nice to have Experience with Python-based backends (FastAPI/Flask/Django) Exposure to data visualisation, time-series, or experiment-style workflows Familiarity with design systems/component libraries Experience in AI/ML, data ...

Engineering Manager

Hiring Organisation
trg.recruitment
Location
London Area, United Kingdom
modularity, clean APIs, versioning PostgreSQL, ORMs, migrations, and performance optimisation Experience building developer platforms, multi-tenant systems, or public APIs Python (FastAPI/Flask), Docker, GitHub Actions, Cloud Run, CI/CD, containers Clear communicator across engineers, product managers, and senior stakeholders ...

Engineering Manager

Hiring Organisation
Total Recruitment Group
Location
South West London, London, United Kingdom
Employment Type
Permanent
modularity, clean APIs, versioning PostgreSQL, ORMs, migrations, and performance optimisation Experience building developer platforms, multi-tenant systems, or public APIs Python (FastAPI/Flask), Docker, GitHub Actions, Cloud Run, CI/CD, containers Clear communicator across engineers, product managers, and senior stakeholders ...

Senior Software Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City of London, London, United Kingdom
Hybrid | Tech4Good Location: London (hybrid, minimum 2 days in office) Salary: £80,000 - £90,000 + shares + benefits Tech stack: Python (Django or Flask or FastAPI) - considering Engineers with a strong background in web development from any backend language React AWS This is a role built around ownership ...

Lead Python Engineer

Hiring Organisation
DeepRec.ai
Location
London Area, United Kingdom
deliver features end to end Key requirements: 4 to 8 years software engineering experience Strong Python backend skills, APIs, and frameworks such as FastAPI, Flask, or Django Experience building production systems in a startup or fast-paced environment Familiarity with cloud platforms such as AWS, GCP, or Azure Exposure ...

Senior Backend Engineer Python

Hiring Organisation
Partnerscale Limited
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£55,000
andmaintainAPIintegrations,datapipelines,andinternaltoolingthatconnectmarketingplatforms,analyticsservices,andclientsystems. So,whowouldsuitthisrole? Asharp,adaptablebackenddeveloperwithcommercialPython,Node.jsorsimilarexperiencewhowantstoworkonvaried,technicallyinterestingprojectsforwell-knownbrands.Youwillbeconfidentworkingacrossthefulllifecycleofanintegration:readingAPIdocs,scopingthework,writingcleantestedcode,anddeployingtoproduction. Keyrequirements: ProfessionalPythonorNode.jsdevelopmentexperience Strongexperienceconsumingandintegratingthird-partyAPIs(REST,OAuth2.0,webhooks) ProvenexperienceauthoringAPIsusingframeworkssuchasFastAPI,Flask,orDjangoRESTFramework Comfortablewithrelationaldatabases(PostgreSQLpreferred)andwritingefficientSQL ExperiencewithGitandcollaborativedevelopmentworkflows Self-motivatedandcomfortableworkingautonomouslyinaremote-firstenvironment Whattheyoffer: Remote-firstwithoccasionalLondontravelforteamcollaborationandclientvisits 25daysannualleaveplusbankholidays 5%employerpensioncontribution Acollaborative,low-egoteamthatvaluesqualityengineeringandcontinuouslearning Autonomyandownershipoveryourwork Exposuretoawidevarietyoftechnologies,platforms,andclientchallenges Thisisagreatopportunityforamid-levelPythondeveloperwhowantstoworkatthecuttingedgeofAI-poweredmarketingandwebdevelopment,buildingproductsthathaverealcommercialimpactforbrandseveryoneknows. ...

Python Developer

Hiring Organisation
Understanding Solutions
Location
City of London, London, United Kingdom
hand. Experience Needed Highly experienced Python Engineer/Developer Can hit the ground running and make an impact from early Technology needed: Python, Kafka, Flask, OpenAPI + FastAPI Excellent communication and collaborative skills needed Python Developer Day Rate: £400 Outside IR35 Duration: 6-months Start Date: ASAP (No long notice ...

Senior Backend Engineer Python

Hiring Organisation
Partnerscale Limited
Location
London, UK
andinternaltoolingthatconnectmarketingplatforms,analyticsservices,andclientsystems. So,whowouldsuitthisrole? Asharp,adaptablebackenddeveloperwithcommercialPython,Node.jsorsimilarexperiencewhowantstoworkonvaried,technicallyinterestingprojectsforwell-knownbrands.Youwillbeconfidentworkingacrossthefulllifecycleofanintegration:readingAPIdocs,scopingthework,writingcleantestedcode,anddeployingtoproduction. Keyrequirements: ProfessionalPythonorNode. xkybehq jsdevelopmentexperience Strongexperienceconsumingandintegratingthird-partyAPIs(REST,OAuth2.0,webhooks) ProvenexperienceauthoringAPIsusingframeworkssuchasFastAPI,Flask,orDjangoRESTFramework Comfortablewithrelationaldatabases(PostgreSQLpreferred)andwritingefficientSQL ExperiencewithGitandcollaborativedevelopmentworkflows Self-motivatedandcomfortableworkingautonomouslyinaremote-firstenvironment Whattheyoffer: Remote-firstwithoccasionalLondontravelforteamcollaborationandclientvisits 25daysannualleaveplusbankholidays 5%employerpensioncontribution Acollaborative,low-egoteamthatvaluesqualityengineeringandcontinuouslearning Autonomyandownershipoveryourwork Exposuretoawidevarietyoftechnologies,platforms,andclientchallenges Thisisagreatopportunityforamid-levelPythondeveloperwhowantstoworkatthecuttingedgeofAI-poweredmarketingandwebdevelopment,buildingproductsthathaverealcommercialimpactforbrandseveryoneknows. ...

Software Engineer (Python/React)

Hiring Organisation
Oliver Bernard
Location
London Area, United Kingdom
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 ...

Full Stack Engineer

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
Salary: £60,000 - £85,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 2/3 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 ...

Senior Python Full Stack Developer - Hybrid

Hiring Organisation
MacArthur Recruitment
Location
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£42,000 - £62,000 per annum
Partial Professional membership support The Role : As Senior Python Full Stack Developer, you will: Build and maintain cloud native web applications using Python, Python Flask, SQLAlchemy, and PostgreSQL. Develop background daemons and orchestration services for parallel optimisation algorithms. Good knowledge about Parallel Computing, Virtual Computing, Cloud Computing and Dockerization Architect … collaborative mindset and willingness to mentor others. Curiosity, creativity, and a passion for building elegant, scalable solutions. Technical Stack Back End: Python, Python Flask, MVT (Model – View – Template) structure, SQLAlchemy, PostgreSQL, multiprocessing/multithreading Front End: HTML, CSS, JavaScript, jQuery, DataTables, AJAX, Jinja2, NPM (Node package manager Cloud & DevOps: Docker ...

Prinicpal Software Engineer

Hiring Organisation
Understanding Recruitment
Location
London Area, United Kingdom
just implement them Setting technical direction and raising engineering standards within a small team What They’re Looking For: Strong Python experience (FastAPI, Django, Flask etc) Track record of owning or significantly evolving production systems Experience making architectural decisions and working across the full lifecycle Comfortable operating in a smaller ...

Software Developer (UK)

Hiring Organisation
Vinley
Location
Edinburgh, Scotland, United Kingdom
Server Database Projects (dacpac/sqlpackage), and optimize queries across large financial datasets. Maintain Python data pipelines and APIs — Support and extend Python-based Flask API endpoints and data processing pipelines using pandas, ensuring data flows reliably from external sources into the platform. Work with Azure cloud services — Deploy … stored procedures, designing schemas, and optimizing queries. Comfort working with large datasets. Python — Working knowledge of Python for data processing, scripting, or API development (Flask, pandas). Git + Azure DevOps — Familiarity with Git version control and Azure DevOps workflows (branching, pull requests, code review, YAML pipelines). Microsoft Azure ...