FastAPI Jobs in the South East

101 to 125 of 166 FastAPI Jobs in the South East

Green Tech / Energy Tech Start-Up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £110K + Healthy Equity

london, south east england, united kingdom
Hybrid / WFH Options
Owen Thomas | Pending B Corp™
measures, sensors) -> Offline-first/PWA apps for installers on the move Tech Stack: -> React, TypeScript, Konva, Tailwind -> Node.js, PostGREST, Prisma -> PostgreSQL/PostGIS, Docker, Atlas -> (Sunsetting Python + FastAPI) Requirements for Carbon Emission/Green Tech Start-up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £110K + Healthy Equity -> 2+ years commercial experience -> STEM Background -> React + More ❯
Posted:

Green Tech / Energy Tech Start-Up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £110K + Healthy Equity

slough, south east england, united kingdom
Hybrid / WFH Options
Owen Thomas | Pending B Corp™
measures, sensors) -> Offline-first/PWA apps for installers on the move Tech Stack: -> React, TypeScript, Konva, Tailwind -> Node.js, PostGREST, Prisma -> PostgreSQL/PostGIS, Docker, Atlas -> (Sunsetting Python + FastAPI) Requirements for Carbon Emission/Green Tech Start-up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £110K + Healthy Equity -> 2+ years commercial experience -> STEM Background -> React + More ❯
Posted:

Green Tech / Energy Tech Start-Up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £110K + Healthy Equity

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Owen Thomas | Pending B Corp™
measures, sensors) -> Offline-first/PWA apps for installers on the move Tech Stack: -> React, TypeScript, Konva, Tailwind -> Node.js, PostGREST, Prisma -> PostgreSQL/PostGIS, Docker, Atlas -> (Sunsetting Python + FastAPI) Requirements for Carbon Emission/Green Tech Start-up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £110K + Healthy Equity -> 2+ years commercial experience -> STEM Background -> React + More ❯
Posted:

AI Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Circle Recruitment
through to deployment Should have experience in agile product delivery, working within a small interdisciplinary team to deliver as a group Assisting with the maintenance and iteration of a FastAPI-based web API hosted on AWS. Enhancing the existing product in line with the roadmap, focusing on data ingestion, UI updates (with a Fullstack Developer), and potential agentic features. Supporting More ❯
Employment Type: Contractor
Rate: £700 - £850 per day
Posted:

Lead Engineer - Stealth AI Startup

london, south east england, united kingdom
Urban Digital Recruitment Ltd
in project delivery : taking ideas from concept to production under tight timelines. Comfort with ambiguity and speed — this is an early-stage, high-autonomy environment. Tech Snapshot Python 3.11+, FastAPI, SQLAlchemy, Alembic, PostgreSQL AWS (IAM, SES, Bedrock) Event-driven architecture, API-first development AI/ML pipelines integrated into core workflows Why This Role Take over a Lead position and More ❯
Posted:

Lead Engineer - Stealth AI Startup

slough, south east england, united kingdom
Urban Digital Recruitment Ltd
in project delivery : taking ideas from concept to production under tight timelines. Comfort with ambiguity and speed — this is an early-stage, high-autonomy environment. Tech Snapshot Python 3.11+, FastAPI, SQLAlchemy, Alembic, PostgreSQL AWS (IAM, SES, Bedrock) Event-driven architecture, API-first development AI/ML pipelines integrated into core workflows Why This Role Take over a Lead position and More ❯
Posted:

Lead Engineer - Stealth AI Startup

london (city of london), south east england, united kingdom
Urban Digital Recruitment Ltd
in project delivery : taking ideas from concept to production under tight timelines. Comfort with ambiguity and speed — this is an early-stage, high-autonomy environment. Tech Snapshot Python 3.11+, FastAPI, SQLAlchemy, Alembic, PostgreSQL AWS (IAM, SES, Bedrock) Event-driven architecture, API-first development AI/ML pipelines integrated into core workflows Why This Role Take over a Lead position and More ❯
Posted:

Full Stack Engineer

london, south east england, united kingdom
Hybrid / WFH Options
Futuria
world needs, contributing directly to products that redefine how humans and intelligent agents collaborate. Key Responsibilities Design, implement, and maintain scalable back-end systems and RESTful APIs using Python (FastAPI/D) Apply domain-driven design and test-driven development to build microservices using agile methodologies, with a focus on reliability Develop, test, and deploy LLM-based applications in secure … re motivated by the opportunity to build meaningful, production-ready tools at the frontier of LLMs, agentic AI, and enterprise software. Essential: Strong experience with Python and proficiency in FastAPI or Django Proven experience building secure, enterprise-grade, public-facing software in an agile delivery environment Familiarity with SQL and NoSQL databases, including PostgreSQL, Redis, or MongoDB Solid understanding of More ❯
Posted:

Full Stack Engineer

slough, south east england, united kingdom
Hybrid / WFH Options
Futuria
world needs, contributing directly to products that redefine how humans and intelligent agents collaborate. Key Responsibilities Design, implement, and maintain scalable back-end systems and RESTful APIs using Python (FastAPI/D) Apply domain-driven design and test-driven development to build microservices using agile methodologies, with a focus on reliability Develop, test, and deploy LLM-based applications in secure … re motivated by the opportunity to build meaningful, production-ready tools at the frontier of LLMs, agentic AI, and enterprise software. Essential: Strong experience with Python and proficiency in FastAPI or Django Proven experience building secure, enterprise-grade, public-facing software in an agile delivery environment Familiarity with SQL and NoSQL databases, including PostgreSQL, Redis, or MongoDB Solid understanding of More ❯
Posted:

Senior Backend Software Engineer - Pathogen

Oxford, Oxfordshire, United Kingdom
Ellison Institute, LLC
Overview Led by a world-class faculty of scientists, technologists, policy makers, economists and entrepreneurs, the Ellison Institute of Technology aims to develop and deploy commercially sustainable solutions to solve some of humanity's most enduring challenges. Our work is More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer (Python/Rust)

london, south east england, united kingdom
Realm
Engineer (3+ years’ experience) to take ownership of core backend systems end-to-end, from infrastructure to database design. Ideal Profile: Strong experience with Python and SQL Familiarity with FastAPI , Pydantic , and PostgreSQL Bonus: experience with lower-level languages such as Rust Role Details: Compensation: £80K–£130K + equity (0.1–0.3%) Location: On-site in London, 4/5 days More ❯
Posted:

Software Engineer (Python/Rust)

london (city of london), south east england, united kingdom
Realm
Engineer (3+ years’ experience) to take ownership of core backend systems end-to-end, from infrastructure to database design. Ideal Profile: Strong experience with Python and SQL Familiarity with FastAPI , Pydantic , and PostgreSQL Bonus: experience with lower-level languages such as Rust Role Details: Compensation: £80K–£130K + equity (0.1–0.3%) Location: On-site in London, 4/5 days More ❯
Posted:

Software Engineer (Python/Rust)

slough, south east england, united kingdom
Realm
Engineer (3+ years’ experience) to take ownership of core backend systems end-to-end, from infrastructure to database design. Ideal Profile: Strong experience with Python and SQL Familiarity with FastAPI , Pydantic , and PostgreSQL Bonus: experience with lower-level languages such as Rust Role Details: Compensation: £80K–£130K + equity (0.1–0.3%) Location: On-site in London, 4/5 days More ❯
Posted:

Lead Data Scientist - Remote

London, South East, England, United Kingdom
Hybrid / WFH Options
Exposed Solutions
tuning, prompt engineering and productionisation · Deep experience in MLOps on Azure, including CI/CD, monitoring and scaling pipelines. · Strong coding skills in Python, with frameworks such as PyTorch, FastAPI and Azure CLI. ALL APPLICANTS MUST BE FREE TO WORK IN THE UK Exposed Solutions is acting as an employment agency to this client. Please note that no terminology in More ❯
Employment Type: Full-Time
Salary: £60,000 - £80,000 per annum
Posted:

AWS Integration Architect

South East, United Kingdom
Anson Mccade
including secure deployments on Lambda and EKS . Strong API design and security expertise (OpenAPI, OAuth2, JWT). Proven integration experience with SAP, Salesforce, Oracle . Proficiency in Flask, FastAPI , or similar frameworks in cloud-native environments. Experience with event-driven patterns and AWS messaging services. Solid understanding of Kubernetes security , IAM roles, encryption, and CI/CD tooling What More ❯
Employment Type: Permanent
Posted:

Python Software Engineer – Hybrid (3 days per week, London) – Up to £90K

london, south east england, united kingdom
Hybrid / WFH Options
Kioni Talent
and problem-solvers — all passionate about writing clean, scalable code and continuously improving their platform. ⭐ What You'll Do Design, build, and maintain backend services using Python (Django/FastAPI) Contribute to architecture and technical design discussions Write clean, maintainable, and well-tested code Work closely with Product and Frontend teams to deliver new features Help improve scalability, performance, and … practices and contribute to a culture of engineering excellence Work on meaningful challenges that have a direct impact on customers 👩 💻 What You'll Need Strong experience with Django or FastAPI Solid understanding of RESTful APIs and database design (SQL/PostgreSQL) Experience with testing frameworks and version control (Git) Familiarity with cloud environments (AWS/GCP/Azure) A collaborative … love to hear from you. 📩 Apply now to learn more about the company and this opportunity! (Python Engineer, Python Developer, Backend Developer, Software Developer, Software Engineer, Django Developer, Django, FastAPI, Flask, AWS, SaaS, REST API, Cloud, CI/CD, Start-up, London, Hybrid More ❯
Posted:

Python Software Engineer – Hybrid (3 days per week, London) – Up to £90K

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Kioni Talent
and problem-solvers — all passionate about writing clean, scalable code and continuously improving their platform. ⭐ What You'll Do Design, build, and maintain backend services using Python (Django/FastAPI) Contribute to architecture and technical design discussions Write clean, maintainable, and well-tested code Work closely with Product and Frontend teams to deliver new features Help improve scalability, performance, and … practices and contribute to a culture of engineering excellence Work on meaningful challenges that have a direct impact on customers 👩 💻 What You'll Need Strong experience with Django or FastAPI Solid understanding of RESTful APIs and database design (SQL/PostgreSQL) Experience with testing frameworks and version control (Git) Familiarity with cloud environments (AWS/GCP/Azure) A collaborative … love to hear from you. 📩 Apply now to learn more about the company and this opportunity! (Python Engineer, Python Developer, Backend Developer, Software Developer, Software Engineer, Django Developer, Django, FastAPI, Flask, AWS, SaaS, REST API, Cloud, CI/CD, Start-up, London, Hybrid More ❯
Posted:

Back End Developer

waterloo, south east england, united kingdom
rmg digital
ll be building V1 of our customer-facing platform , creating automation tools that connect to Gmail, open banking APIs, and insurance forms. What you’ll be working with: 💻 Python (FastAPI) on the backend ⚛️ React on the frontend 🤖 Selenium/Playwright/Puppeteer for automation ☁️ AWS and database cross-referencing 🏦 Open banking and fintech integration experience a huge plus If this More ❯
Posted:

Contract - Back End Developer - Python/AWS - £500-£700/day (Outside IR35) - ID44270

Oxfordshire, England, United Kingdom
Humand Talent
Senior Backend Engineer – Python | Django | FastAPI | AWS Build systems that power the future of AI Are you a high-agency backend engineer who thrives on solving complex problems at scale? Do you enjoy designing secure, production-grade systems and shipping robust APIs that make advanced technology accessible? Would you like to shape core infrastructure for AI-powered products in a … from the ground up in a company that genuinely values engineering excellence. Why This Role is Great In this role, you’ll get to: Design scalable backend architecture using FastAPI and Python for high-performance workloads Build and maintain robust APIs following RESTful conventions and OpenAPI/Swagger standards Own the performance of PostgreSQL databases , including partitioning, indexing, and horizontal … recovery About You You might come from a variety of backgrounds, but you’ll thrive in this role if you’re excited to: Work with modern tools like Python, FastAPI, PostgreSQL, Docker, and AWS Engage with real-time systems and AI model integration pipelines Build on your experience of deploying APIs, writing clear documentation, and maintaining strong testing practices Apply More ❯
Posted:

Contract - Back End Developer - Python/AWS - £500-£700/day (Outside IR35) - ID44270

oxford district, south east england, united kingdom
Humand Talent
Senior Backend Engineer – Python | Django | FastAPI | AWS Build systems that power the future of AI Are you a high-agency backend engineer who thrives on solving complex problems at scale? Do you enjoy designing secure, production-grade systems and shipping robust APIs that make advanced technology accessible? Would you like to shape core infrastructure for AI-powered products in a … from the ground up in a company that genuinely values engineering excellence. Why This Role is Great In this role, you’ll get to: Design scalable backend architecture using FastAPI and Python for high-performance workloads Build and maintain robust APIs following RESTful conventions and OpenAPI/Swagger standards Own the performance of PostgreSQL databases , including partitioning, indexing, and horizontal … recovery About You You might come from a variety of backgrounds, but you’ll thrive in this role if you’re excited to: Work with modern tools like Python, FastAPI, PostgreSQL, Docker, and AWS Engage with real-time systems and AI model integration pipelines Build on your experience of deploying APIs, writing clear documentation, and maintaining strong testing practices Apply More ❯
Posted:

Python Developer

london, south east england, united kingdom
Uneek Global
You’ll be part of a collaborative team creating innovative digital products that turn complex datasets into meaningful, actionable insights. Experience required Developing robust backend services using Python (Flask, FastAPI). Building intuitive, responsive dashboards with modern frontend frameworks (React). Ensuring performance, scalability, and accessibility across all devices. Managing deployments using Docker and AWS. Monitoring system performance and maintaining … reliable infrastructure. Collaborating with cross-functional teams to bring new ideas to life. Tech stack Strong experience with Python web frameworks (Flask, FastAPI). Skilled in modern frontend development (React, JavaScript, HTML/CSS). Understanding of responsive design, accessibility, and UX best practices. Experience with Docker, AWS, and CI/CD pipelines. Knowledge of Git, version control, and deployment More ❯
Posted:

Python Developer

london (city of london), south east england, united kingdom
Uneek Global
You’ll be part of a collaborative team creating innovative digital products that turn complex datasets into meaningful, actionable insights. Experience required Developing robust backend services using Python (Flask, FastAPI). Building intuitive, responsive dashboards with modern frontend frameworks (React). Ensuring performance, scalability, and accessibility across all devices. Managing deployments using Docker and AWS. Monitoring system performance and maintaining … reliable infrastructure. Collaborating with cross-functional teams to bring new ideas to life. Tech stack Strong experience with Python web frameworks (Flask, FastAPI). Skilled in modern frontend development (React, JavaScript, HTML/CSS). Understanding of responsive design, accessibility, and UX best practices. Experience with Docker, AWS, and CI/CD pipelines. Knowledge of Git, version control, and deployment More ❯
Posted:

Python Developer

slough, south east england, united kingdom
Uneek Global
You’ll be part of a collaborative team creating innovative digital products that turn complex datasets into meaningful, actionable insights. Experience required Developing robust backend services using Python (Flask, FastAPI). Building intuitive, responsive dashboards with modern frontend frameworks (React). Ensuring performance, scalability, and accessibility across all devices. Managing deployments using Docker and AWS. Monitoring system performance and maintaining … reliable infrastructure. Collaborating with cross-functional teams to bring new ideas to life. Tech stack Strong experience with Python web frameworks (Flask, FastAPI). Skilled in modern frontend development (React, JavaScript, HTML/CSS). Understanding of responsive design, accessibility, and UX best practices. Experience with Docker, AWS, and CI/CD pipelines. Knowledge of Git, version control, and deployment More ❯
Posted:

Senior Software Engineer Python FastAPI Data

London, South East, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
Senior Software Engineer/Developer (Python FastAPI Data) London to £90k Are you a data centric Software Engineer with strong Python and SQL skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly growing Cybersecurity insurance markets. … days per year Season ticket loan Employee Assistance Programme Impactful role with great career progression Apply now to find out more about this Senior Software Engineer/Developer (Python FastAPI Data) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people More ❯
Employment Type: Full-Time
Salary: £75,000 - £90,000 per annum
Posted:

Senior Software Engineer Python FastAPI Data

slough, south east england, united kingdom
Hybrid / WFH Options
Client Server
Senior Software Engineer/Developer (Python FastAPI Data) London to £90k Are you a data centric Software Engineer with strong Python and SQL skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly growing Cybersecurity insurance markets. … days per year Season ticket loan Employee Assistance Programme Impactful role with great career progression Apply now to find out more about this Senior Software Engineer/Developer (Python FastAPI Data) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people More ❯
Posted:
FastAPI
the South East
10th Percentile
£42,225
25th Percentile
£50,438
Median
£60,000
75th Percentile
£73,125
90th Percentile
£74,250