85,279+ Backend Software Engineer Python Fastapi Sql Jobs in UK — Top Companies Hiring June 2026

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Backend Software Engineer Python FastAPI SQL

Backend Software Engineer / Developer (Python FastAPI SQL Databricks) London to £95kAre you a data centric Backend Software Engineer with strong Python, SQL and FastAPI skills?You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting ...

Python Developer FastAPI SQL Databricks

Python Developer / Backend Software Engineer (FastAPI SQL Databricks) London to £95kAre you a data centric Python Developer with strong SQL and FastAPI skills?You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provid ...

Senior Software Engineer Python GCP FastAPI

Senior Software Engineer / Developer (Python GCP FastAPI) London / WFH to £100kOpportunity for a skilled Software Engineer with strong backend Python skills to join a well-funded and profitable FinTech start-up.As a Senior Software Engineer you'll join a small, talented tech team to deliv ...

Senior Backend Software Engineer (Python)

Senior Backend Software Engineer (Python) at NLPatentNLPatent is seeking a highly skilled Senior Backend Software Engineer with expertise in Python to join our dynamic and growing team. In this role, you will play a critical part in designing, building, and maintaining scalable backend ...

Mid Backend Software Engineer Python

About ZepzZepz is the group powering two leading global remittance brands: WorldRemit and Sendwave. Since 2010, we have been disrupting an industry previously dominated by offline legacy players with our relentless focus on reducing the cost of remittances and increasing safety and ...

Backend Engineer (Python)

Description London, UK Hybrid (3 days in our Paddington HQ: Mon, Tue, Fri) Stack: Python, Flask, SQLAlchemy, MySQL, AWS (React on the frontend) In 2018 we set out to solve a problem millions of people faced: not just struggling with their skin, but struggling to navigate skincare at all. We combined dermatology, ...

Backend Engineer (Python)

London, UK · Hybrid (3 days in our Paddington HQ: Mon, Tue, Fri) · Stack: Python, Flask, SQLAlchemy, MySQL, AWS (React on the frontend)In 2018 we set out to solve a problem millions of people faced: not just struggling with their skin, but struggling to navigate skincare at all. We combined dermatology ...

Backend Software Engineer Machine Learning Python

Backend Software Engineer Location: Melton, Woodbridge, Suffolk Salary: Up to £50,000 based on experience Working hours: Monday-Friday, 9am - 5.30pm Hybrid - 2 days per week in the office The purpose of this role is to solve complex business problems and technical challenges through the design a ...

Backend Software Engineer Python Start up

Backend Software Engineer / Developer Cirencester to £85k Opportunity to work on complex and interesting systems related to Polar 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. < ...

Backend Software Engineer Python ML AWS

Backend Software Engineer / Developer (Python Machine Learning AWS) Remote UK to £90kAre you a data savvy Backend Software Engineer with experience of implementing ML algorithms into production?You could be progressing your career in a senior, hands-on Backend Software Engineer role as pa ...

Backend Software Engineer Python Start up

Backend Software Engineer / Developer Cirencester to £85kOpportunity to work on complex and interesting systems related to Polar 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.As a Backen ...

Senior / Mid Backend Software Engineer Python

About ZepzZepz is the group powering two leading global remittance brands: WorldRemit and Sendwave. Since 2010, we have been disrupting an industry previously dominated by offline legacy players with our relentless focus on reducing the cost of remittances and increasing safety and ...

Backend Software Engineer Python LLM Finance

Backend Software Engineer / Developer (Python LLM MLOps) London / WFH to £90kAre you an experienced Backend Software Engineer with strong Python skills and a good knowledge of AI, LLMs and agentic coding?You could be progressing your career at a global finance technology consultancy, work ...

Senior Software Engineer (AI)

Senior Software Engineer Oxford (Hybrid – 3 days onsite)£Permanent We’re partnering with a cutting-edge technology company building AI-driven software within a highly complex scientific and data-rich environment. As they continue to grow, they’re looking for a Senior Software Engineer to join their co ...

Python Developer AWS FastAPI

Python Developer / Software Engineer / Developer Remote UK to £75kAre you a backend focused Python Developer?You could be progressing your career in as a hands-on Python Developer role as part of a friendly and supportive international team at a growing and hugely successful European car ...

Data Engineer Python/SQL

Data Engineer & AI Engineer - Belfast (Hybrid)Multiple Roles | Competitive Salary + Strong Career GrowthThe OpportunityA leading organisation is seeking multiple Data Engineers to join a growing technology team delivering modern data platforms and scalable solutions across a diverse client base.This role ...

Graduate Full Stack Software Engineer

Graduate Full Stack Software EngineerLovey | Tech DepartmentLovey: Helping businesses access the funding they need to growAbout Lovey:At Lovey, we believe every business deserves access to the funding it needs to g ...

AI Engineer Financial Service Consulting

AI Engineers & Technical AI LeadersLondon | HybridWe're supporting a major consulting and technology organisation delivering AI and data transformation programmes across Financial Services and BankingThe focus is applied AI engineering, building production grade AI solutions across ba ...

AI Engineer Financial Services Consulting

AI Engineers & Technical AI LeadersManchester | HybridWe're supporting a major consulting and technology organisation delivering AI and data transformation programmes across Financial Services and BankingThe focus is applied AI engineering, building production grade AI solutions acro ...

AI Engineer Financial Service Consulting

AI Engineers & Technical AI LeadersScotland | HybridWe're supporting a major consulting and technology organisation delivering AI and data transformation programmes across Financial Services and BankingThe focus is applied AI engineering, building production grade AI solutions across ...

Software Engineer Backend

**LiveRamp is the data collaboration platform of choice for the world’s most innovative companies. A groundbreaking leader in consumer privacy, data ethics, and foundational identity, LiveRamp is setting the new standard for building a connected customer view with unmatched clarity and context while protecting p ...

Software Engineer Backend

**LiveRamp is the data collaboration platform of choice for the world’s most innovative companies. A groundbreaking leader in consumer privacy, data ethics, and foundational identity, LiveRamp is setting the new standard for building a connected customer view with unmatched clarity and context while protecting p ...

Backend Software Engineer

Backend Software Engineer Location: Melton, Woodbridge, Suffolk Salary: Up to £50,000 based on experience Working hours: Monday-Friday, 9am - 5.30pm Hybrid - 2 days per week in the office The purpose of this role is to solve com ...

Backend Software Engineer

Backend Software Engineer Location: Melton, Woodbridge, Suffolk Salary: Up to £50,000 based on experience Working hours: Monday-Friday, 9am - 5.30pm Hybrid - 2 days per week in the office </p ...

Backend Software Engineer

Software Engineer – Java 21, SpringbootUp to £550 per day (Inside IR35)London / Remote6 monthsMy client is an instantly recognisable consultancy who require a strong Backend Software Engineer with deep expertise in Java (Spring Boot) to join a large-scale, business‑critical microservi ...

Backend Software Engineer Python Data R&D

Backend Software Engineer / Developer (Python Data R&D) Cambridge onsite to £55kWould you like to work on Greenfield projects at the cutting edge of medical technology?You could be joining a well funded start-up, collaborating with scientists and other engineers to develop sensing and ima ...

Backend Software Engineer C# Python Market Data

Backend Software Engineer / Developer (C# Python Data Lakes) London / WFH to £150k+Are you a data savvy Backend Software Engineer?You could be joining a Hedge Fund with complex work and substantial bonus earning potential.As a Backend Software Engineer you will join a growing team ...

Software Engineer (100% Backend, Python & AWS)

Software Engineer (100% Backend, Python & AWS)London (On-site, London Farringdon)Full-time, salary: £60,000-80,000Job SummaryAre you passionate about architecting the data and applicati ...

Backend Software Engineer Python Data R&D

Backend Software Engineer / Developer (Python Data R&D) Cambridge onsite to £55kWould you like to work on Greenfield projects at the cutting edge of medical technology?You could be joining a well funded start-up, collaborating with scientists and other engineers to develop sensing and ima ...

Principal AI Architect & VP — Hybrid, Scale AI Solutions

Citibank (Switzerland) AG in Greater London is seeking a Principal AI Software Engineer, Senior Vice President, to architect scalable backend systems for AI tools. The role demands advanced Python and FastAPI knowledge and includes responsibilities like driving AI initiatives and collaborating with cross-functio ...

Senior Software Engineer ID48563

Senior Software Engineer (Contract) Remote / Oxford (Flexible Hybrid) £500 – £600 per day (Outside IR35) 3–6 Month Contract We’re supporting an innovative deep-tech company developing AI-driven software within a highly complex scientific environment. They’r ...

Backend Software Engineer C#.Net SQL Sports Trading

Backend Software Engineer (C# .Net SQL) London / WFH to £90kJoin a global sports trading firm as a Backend Software Engineer, building real-time, high-performance trading systems with clear business impact.What you'll do:Design and develop low-latency backend systems and AP ...

Software Engineer (SC Cleared)

Location: Cheltenham Job Type: Contract Industry: Cloud & Platform Job reference: BBBH439897_1780329166 Posted: about 2 hours ago Software Engineer (Python / React) Cheltenham Area - on siteContract: Inside IR35, 12 months+The OpportunityWe are seeking talented Software Engineers ...

Senior Software Engineer.Net Python SQL FTC

Senior Software Engineer / Developer (.Net Python SQL IaC) London 12 month FTC to £180kAre you a full stack technologist with a product based mindset?You could be progressing your career in a hands on Senior Software Engineer role at a tech driven, global Asset Manager with multiple billi ...

Python AI Engineer PropTech London (onsite)

Job Description Lead Python Engineer | AI, Python, FastAPI, Django, Microservices, APIs, Cloud | London | up to £130k + EquityBuild AI-powered systems that automate real-world workflows at scale.This is an opportunity to join a fast-growing AI startup building ...

SQL/ Python Developer

Title:SQL/ Python Developer About KBR and the Project KBR are a global technical solutions provider with 28,000 employees worldwide, with operations in 34 countries delivering to customers in 80 countries. KBR work collaboratively with their wide customer base to deliver solutions tha ...

SQL/ Python Developer

Title:SQL/ Python DeveloperAbout KBR and the ProjectKBR are a global technical solutions provider with 28,000 employees worldwide, with operations in 34 countries delivering to customers in 80 countries. KBR work collaboratively with their wide customer base to deliver solutions th ...

Python Software Engineer

Rights to work in the UK without sponsorship are essential for this vacancy. An exciting opportunity for a Python Software Engineer has arisen with a well-established surveillance systems company, based in Nottingham. This is a great opportunity for a Python Software Engineer to ...

Python Software Engineer

Description Building trusted markets – powered by our people.At Cboe Europe, we inspire our people to solve complex challenges together because what we do matters. We providethe financialinfrastructure that powers the global economy. As a leading provider of market infrastru ...

Python Software Engineer

Location: On-site London, 5 days per weekSummary:My client is a world-class prop trading firm looking for a Python Software Engineer to join a global multi-asset trading team.This role offers the unique opportunity to influence the design and architecture of expa ...

Python Software Engineer

Founded by mathematicians and cyber defense experts in 2013, Darktrace is a global leader in cyber security AI, delivering complete AI-powered solutions in its mission to free the world of cyber disruption. We protect more than 9,000 customers from the world’s most complex threats, including ransomware, cl ...

Forward Deployed Engineer FDE Python AWS

Forward Deployed Engineer (FDE Python AWS SaaS) Manchester / WFH to £80kDo you have strong backend Python and AWS skills combined with client facing experience?You could be progressing your career in a senior, hands-on Forward Deployed Engineer role at a profitable technology scale-up tha ...

AI Engineer Financial Service Consulting

Description AI Engineers & Technical AI LeadersScotland | HybridWe're supporting a major consulting and technology organisation delivering AI and data transformation programmes across Financial Services and BankingThe focus is applied AI engineering, build ...

AI Engineer Financial Service Consulting

Description AI Engineers & Technical AI LeadersLondon | HybridWe're supporting a major consulting and technology organisation delivering AI and data transformation programmes across Financial Services and BankingThe focus is applied AI engine ...

AI Engineer Financial Services Consulting

Description AI Engineers & Technical AI LeadersManchester | HybridWe're supporting a major consulting and technology organisation delivering AI and data transformation programmes across Financial Services and BankingThe focus is applied AI en ...

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    Backend Software Engineer Python Fastapi Sql Jobs in United Kingdom Job Search Guide, Trends and Insights