75,427+ Backend Software Engineer Python Fastapi Sql Jobs in UK — Top Companies Hiring June 2026

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Backend Python Developer

We are working with a unique company that helps businesses automate regulatory compliance in the financial industry.The company is at the cusp of the growth where they have registered incredible growth in the last 5 years and looking for a dynamic Backend Engineer who can help them solve interestin ...

Python Backend Developer

Job Title: Python Backend Developer Job Type: Contract Job Location: London , UK Job Description: Python Backend Developer: We need a senior developer with extensive knowledge on building scalable python ...

Python Backend Developer

At Mustard Systems, we leverage statistical modeling to dive into sports events and help us make informed predictions about future outcomes. By utilising our unique datasets, advanced statistical models, and custom-built software, we strive to accurately forecast sports results.We value quick de ...

Intermediate Software Engineer to Design, develop, and maintain full stack web applications using Python, Django, React and Next.js for a software company

Our client is looking for an Intermediate Software Engineer to Design, develop, and maintain full stack web applications using Python, Django, React and Next.js for a software company.Must Have's:6+ years as full stack developerStrong proficiency with React and ...

Senior Software Engineer TypeScript React

Senior Software Engineer / Front End Developer (TypeScript React) London / WFH to £120kAre you a technologist with start-up experience looking for your next opportunity?You could be progressing your career at a tech start-up that is producing an AI native data pipelining platform.< ...

Senior Software Engineer – Python / AWS / Cloud Native (SC or DV Cleared)

Senior Software Engineer – Python / AWS / Cloud-Native EngineeringSC or DV Cleared | Government Programme | AWS | Python | Terraform | MicroservicesLocation: UK (Hybrid / Remote)Security Clearance: SC or DV requiredEngagement: ...

Junior Full Stack Software Developer

Junior Full Stack Software DeveloperLovey | 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 gr ...

Senior Backend Software Engineer

Our Mission 🚀Bud's mission is simple. We're here to create the world’s most compelling financial data products. The products we're building are used by some of the world's most prestigious institutions to help millions of their customers take control of their finances. <p ...

Backend Software Engineer (Typescript)

Backend Software Engineer A highly respected engineering and technology business operating within the National Security space is looking for a Backend Software Engineer to join its growing team. Package: Competitive salary + strong benefits package including 30 days holiday plus bank holidays Building s ...

Backend Software Engineer (Typescript)

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 ...

Senior Backend Software Engineer

Job Description Please note, this is a hybrid role based out of the Uxbridge office for 1 to 2 days a week.The Backend team develops the core of the Alta Video Management System. These are Cloud based distributed systems monitoring and managing Video Cameras, Access Control ...

Backend Software Engineer (60008)

InfoSum is the world’s leading data collaboration platform, providing solutions to the world’s largest enterprises to allow collaboration across data sources and deliver richer customer experiences that prioritize consumer privacy. Our vision is to unlock data’s limitless potential, by enabling the wor ...

Senior Software Engineer (Backend)

Job Title: Senior Software EngineerLocation: London Victoria, HybridReports to: Head of PlatformA bit about us At nudge we believe people need to be in control of their finances. nudge puts you in control of your money. Combining behavioural psycholo ...

Senior Backend Software Engineer

RAC are on the lookout for a Senior Backend .Net Software Engineer to lead within our Breakdown team, which is the squad behind the digital tools that help customers receive the right breakdown support when they need it most. This high-traffic, mission-critical suite of tools is used by hundreds of thousands ...

Staff Software Engineer Backend

P-1514At Databricks, we are passionate about enabling data teams to solve the world's toughest problems — from making the next mode of transportation a reality to accelerating the development of medical breakthroughs. We do this by building and running the world's best data and AI infrastructure platfo ...

Lead Software Engineer Python API Fintech

Lead Software Engineer / Developer London / WFH to £120kAre you a skilled a backend focused Python technologist with team leadership experience?You could be progressing your career at a well-funded and profitable FinTech start-up.As a Lead Software Engineer you'll head up a small, ...

Senior Python Developer FinTech

Senior Python Developer / Software Engineer London / WFH to £120kJoin a growing, global, Fintech services company that has seen 30-40% year on year growth for the past 10 years and has ambitious growth plans.As a Senior Python Developer you'll join a high performance engineering team buil ...

Python Developers

About the role We are seeking a Python Developer to join our team and help build the next generation of AI solutions. This is a unique opportunity to be a key technical contributor in a fast-paced, innovative environment where you'll wear many hats and have significant impact on our product and engineering cult ...

Python Engineer

About the role We are seeking a Python Developer to join our team and help build the next generation of AI solutions. This is a unique opportunity to be a key technical contributor in a fast-paced, innovative environment where you'll wear many hats and have significant impact on our product and engineering cult ...

Python Developer Contract

About the role We are seeking a Python Developer to join our team and help build the next generation of AI solutions. This is a unique opportunity to be a key technical contributor in a fast-paced, innovative environment where you'll wear many hats and have significant impact on our product and engineering cult ...

Senior Full Stack Engineer

Senior Full Stack Engineer | London | £120,000 - £140,000+ | Python | React | TypeScriptLocation: London (hybrid)Salary: £120,000 - £140,000 + equity Tech Stack:Backend: Python (strong typing, well-stru ...

Data Scientist Python SQL

Data Scientist (Python SQL) London / WFH to £70kOpportunity to progress your career as a Data Scientist at a Tech for Good company that is enabling life changing education to be accessed by students around the world.What's in it for you:Salary to £70k25 days holida ...

PySpark / SQL Developer Python

Pyspark/SQL Developer – Automation/SQL/PySpark – sought by leading investment bank based in London – Hybrid – Contract *inside IR35 – umbrella* Key Responsibilities: Develop, maintain, and optimize PySpark data processing pipelines. Automate data ...

Freelance Data Science Engineer (Python & SQL)

Please submit your CV in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employme ...

Senior Software Engineer Python

Senior Software Engineer - Malvern YT Tech is representing a market-leading Security Technology firm in Malvern currently scaling its R&D team. We are looking for a Senior Software Engineer to take technical ownership of a business-critical product codebase within a multidisciplinary environment. This is a high- ...

Senior Software Engineer (Python)

Job Description Below, you will find a complete breakdown of everything required of potential candidates, as well as how to apply Good luck.Senior Software Engineer (Python) Hybrid London (2 days/week) Up to £100,000 + Benefits We're hiring a Senior Software Engineer to pla ...

Lead Software Engineer Python

Join us to shape the future of developer experience on one of the firm’s most strategic technology platforms. You’ll have the opportunity to impact how software is built across a vast engineering organization, tackling meaningful technical challenges and driving innovation. We value product thinking, technica ...

Software Engineer (Python/Data)

Location: UK or Portugal only (remote within either location).Department: EngineeringEmployment Type: PermanentAbout YLD:Our goal is to help our clients keep moving forward. We work with them to bui ...

Software Engineer, Recovery (Python)

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 ...

Senior Software Engineer Python

Senior Software Engineer / Developer (Python) Cambridge to £80kDo you have strong backend Python software development experience?You could be joining the world's most advanced cybersecurity technology business that uses AI technology to protect clients across the globe from advanced cyber ...

Senior Software Engineer (Python)

digiLab is a formative AI company with world-leading specialists in uncertainty quantification, applied where the stakes are highest and the margin for error is smallest. Our customers are among the largest and most advanced engineering and science-led organisa ...

Senior Python Software Engineer

Salary: £250k + bonusSummaryPython Engineers wanted for a leading market maker to join their fast-paced, dynamic engineering team. This role offers the opportunity to contribute to one of the world’s most powerful trading platforms.In this role, you will partner ...

Senior Python Software Engineer

Senior Python Software Engineer Top of the market salaries and healthcare! My client is a multi-strategy hedge fund, looking to add a talented Senior Python Software Engineer to their Cambridge-based development team. You will be contributing to the design, development and mainte ...

Senior Software Engineer (Python)

digiLab is a formative AI company with world-leading specialists in uncertainty quantification, applied where the stakes are highest and the margin for error is smallest. Our customers are among the largest and most advanced engineering and science-led organisation ...

Principal Python Software Engineer

Description Building trusted markets – powered by our people.AtCboeEurope, 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 infrastruct ...

Software Engineer, Opsec (Python)

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 ...

Senior Software Engineer Python

Vortexa is a fast-growing international technology business founded to solve the immense information gap that exists in the energy industry. By using massive amounts of new satellite data and pioneering work in artificial intelligence, Vortexa creates an unprecedented view on the global seaborne energy flows ...

Software Engineer III (Python)

Software Engineer III (Python) Are you passionate about building high‑performance backend systems using Python?Do you thrive on solving complex engineering challenges? About the team: You will join an Agile squad within Elsevier’s Data Engi ...

Senior Software Engineer Python

Senior Software Engineer / Developer (Python) Cambridge to £80k Do you have strong backend Python software development experience? You could be joining the world's most advanced cybersecurity technology business that uses AI technology to protect clients across the globe from advanced cyber threats, working alon ...

Python Software Engineer Fintech

A Mid - Senior Level Python Engineer is required to join a Fintech company developing next generation tools for how companies get funding and optimise their working capital. Our client aims to change how corporate finance works, by replacing static, limited and often stale financial metrics with live data-driven ...

Senior Software Engineer Python

Senior Software Engineer - Malvern YT Tech is representing a market-leading Security Technology firm in Malvern currently scaling its R&D team. We are looking for a Senior Software Engineer to take technical ownership of a business-critical product codebase within a multidisciplinary environment. This is a high- ...

Senior Software Engineer Python

Senior Software Engineer - Malvern YT Tech is representing a market-leading Security Technology firm in Malvern currently scaling its R&D team. We are looking for a Senior Software Engineer to take technical ownership of a business-critical product codebase within a multidisciplinary environment. This is a high- ...

Python Software Engineer Fintech

A Mid - Senior Level Python Engineer is required to join a Fintech company developing next generation tools for how companies get funding and optimise their working capital. Our client aims to change how corporate finance works, by replacing static, limited and often stale financial metrics with live data-driven ...

Freelance Data Science Engineer (Python & SQL)

Please submit your CV in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employme ...

Freelance Data Science Engineer (Python & SQL)

Please submit your CV in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employme ...

Freelance Data Science Engineer (Python & SQL)

Please submit your CV in English and indicate your level of English proficiency.Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employme ...

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