Backend Developer Salary in United Kingdom

Backend Developer jobs in United Kingdom hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $190,923/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

United Kingdom
AI/ML
Data Science
Backend
Frontend
Mobile
DevOps
Web3
Games
Hardware
Robotics
Security
QA
Executive
Networking
Product
Design
Analytics
Support
Enterprise Apps
Quantum

Plum

plumhq.com
Plum is an insurtech and employee health benefits platform based in India. Founded in 2019, the company provides automated group health insurance, corporate wellness plans, and commercial business insurance tailored for startups, SMEs, and large enterprises.
plumhq.com • HQ: London, United Kingdom • Digital Health • Health Care • Insurance • Est. 2019
HQ: London, United Kingdom • Digital Health • Health Care • Insurance • Est. 2019
Open 202 daysVerified live · 2 days ago 7 months ago

Senior Backend Engineer

$88k – $167k per year (Estimated) • Equity • Senior • 5+ years expLondon • Remote (Cyprus, United Kingdom) • Full-Time • Senior
Python
Java
Kotlin
Python
FastAPI
Java
Spring Boot
Databases
Google BigQuery
PostgreSQL
RabbitMQ
DevOps
Datadog
GCP
Grafana
Kubernetes
Prometheus
Terraform
QA
Sentry
Apply
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Cognition

cognition.com
Cognition is an applied artificial intelligence lab founded in 2023 that created Devin, an autonomous software engineering agent able to plan, write and debug code across a full repository. The company drew attention for demonstrating long-horizon coding work rather than single-file completion, and it sells Devin to engineering organisations. In 2025 it acquired the Windsurf coding assistant team and product, broadening its developer tooling.
cognition.com • HQ: San Francisco, United States • Home Healthcare • Artificial Intelligence
HQ: San Francisco, United States • Home Healthcare • Artificial Intelligence
Open 202 daysVerified live · 2 hours ago 7 months ago

Partner Deployed Engineer - Europe

$82k – $185k per year (Estimated)Remote/Hybrid (London, United Kingdom) • Full-Time
Python
TypeScript
AI/ML
Cursor
Windsurf
Devin
Scale AI
DevOps
CI/CD
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Open 342 daysVerified live · 2 hours ago 12 months ago

Deployed Engineer - Europe

$83k – $186k per year (Estimated)Remote/Hybrid (London, United Kingdom) • Full-Time
Python
TypeScript
AI/ML
Cursor
Windsurf
Devin
Scale AI
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OpenProject.org

openproject.org
Achieve great things together We empower project teams to achieve great things together for the good of society. OpenProject is targeted at organizations that want to positively impact the world.
openproject.org • Financial Services • Software • Project Management
Financial Services • Software • Project Management
Open 207 daysVerified live · 6 hours ago 7 months ago

Senior Ruby on Rails Developer

$89k – $217k per year (Estimated) • Senior • Remote • PhD • Full-Time • Senior • German • English
JavaScript
Ruby
TypeScript
Ruby
Ruby on Rails
Stimulus
Frontend
Angular
React.js
DevOps
CI/CD
GitHub
Apply
Report

Figma

figma.com
Figma is a leading collaborative interface design and prototyping platform that enables teams to build digital products together in real time. Operating entirely in the cloud, the platform integrates vector graphics editing, interactive prototyping, design system management, and developer handoff into a seamless, browser-based workflow.
figma.com • New York • Berlin • Sydney • London • Washington • Design & Creative • Digital Design • UI/UX Design • 1001-5000 employees
New York • Berlin • Sydney • London • Washington • Design & Creative • Digital Design • UI/UX Design • 1001-5000 employees
$92k – $166k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (London, United Kingdom) • Senior
AWS
Azure
GCP
Design
Figma
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Open 455 daysVerified live · 3 hours ago 1 year ago

Software Engineer - AI Product (London, United Kingdom)

$64k – $149k per year (Estimated) • Middle • 3+ years expRemote/Hybrid (London, United Kingdom) • Middle
TypeScript
AI/ML
AI Agents
LLM
Model Context Protocol
Design
Figma
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DistroKid

distrokid.com
DistroKid is a software platform that helps musicians and other audio creators get their music into major digital stores and streaming services. Its core job is to take the practical work out of digital distribution, so artists can upload tracks, manage releases and credits, and keep their catalogue available across multiple services without having to negotiate separate deals or handle complex delivery requirements themselves. For creators, the problem it solves is straightforward but important, reducing the friction, time and administrative overhead involved in releasing music widely and reliably.
distrokid.com • New York • Streaming & OTT Platforms • Music Industry • Software
New York • Streaming & OTT Platforms • Music Industry • Software
Open 214 daysVerified live · 2 hours ago 8 months ago

API Engineer

$189k per year • Staff+ • 10+ years exp • Remote (EU, United States, United Kingdom) • Visa sponsorship • Staff
Apex
Apex
MuleSoft
AI/ML
Edge AI
DevOps
AWS
Azure
Kong
API Gateway
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Cresta

cresta.com
Cresta is an American enterprise software company founded in 2017 out of the Stanford artificial intelligence laboratory that builds generative AI systems for customer contact centres. Its platform unites autonomous voice and chat agents, real-time guidance for human agents, automated quality assurance and conversation analytics on top of a company's own transcript history. Headquartered in San Francisco, it serves large telecommunications, financial services, retail and travel brands that run high-volume support and sales operations.
cresta.com • HQ: San Francisco, United States • Software • Artificial Intelligence • Customer Relationship Management (CRM) • AI Agents • Conversational AI • 501-1000 employees • Est. 2017
HQ: San Francisco, United States • Software • Artificial Intelligence • Customer Relationship Management (CRM) • AI Agents • Conversational AI • 501-1000 employees • Est. 2017
Verified live · 1 day ago 8 months ago

Senior Forward Deployed Engineer (AI Agent) - UK

$97k – $184k per year (Estimated) • Senior • 3+ years exp • Remote (United Kingdom) • Bachelor's Degree • Full-Time • Senior
Go
Python
AI/ML
AI Agents
Function Calling
Prompt Engineering
RAG
Vertex AI
DevOps
AWS
Azure
CI/CD
GCP
Analytics
A/B Testing
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Intercom

intercom.com
Intercom is an AI-first customer service platform designed to help businesses build stronger relationships with their users through automated and human support. The company offers an integrated suite of tools including AI-powered chatbots, live chat, helpdesk software, and proactive messaging systems to streamline customer communication.
intercom.com • London • Chicago • San Francisco • Dublin • Berlin • AI Agents • Artificial Intelligence • Software • Conversational AI • Customer Relationship Management (CRM) • 1001-5000 employees
London • Chicago • San Francisco • Dublin • Berlin • AI Agents • Artificial Intelligence • Software • Conversational AI • Customer Relationship Management (CRM) • 1001-5000 employees
Open 217 daysVerified live · 5 hours ago 8 months ago

Forward Deployed Software Engineer

$97k – $219k per year (Estimated)Remote/Hybrid (London, United Kingdom)
JavaScript
Python
Ruby
AI/ML
AI Agents
DevOps
Rest API
Apply
Open 263 daysVerified live · 5 hours ago 9 months ago

Staff Forward Deployed Engineer

$159k – $343k per year (Estimated) • Staff+ • Remote/Hybrid (London, United Kingdom) • Staff
JavaScript
Python
Ruby
AI/ML
AI Agents
DevOps
Rest API
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Open 263 daysVerified live · 5 hours ago 9 months ago

Senior Forward Deployed Engineer

$112k – $204k per year (Estimated) • Senior • Remote/Hybrid (London, United Kingdom) • Senior
JavaScript
Python
Ruby
AI/ML
AI Agents
DevOps
Rest API
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Abtrace

abtrace.com
Abtrace is a health tech company based in London, with a team of doctors, researchers, developers and data scientists that bring together software engineering, machine learning expertise and medical experience to build clinical algorithms to support primary care clinicians. The team is dedicated to creating digital health software to deliver Population Health interventions individualized to patients. This involves the continuous scanning of the entire health record of a patient to detect signals of deterioration, early onset of new disease and opportunities for preventative interventions.
abtrace.com • Porto • London
Porto • London
Open 221 dayVerified live · 2 days ago 8 months ago

Senior Software Engineer

$95k – $171k per year (Estimated) • Senior • 3+ years expRemote/Hybrid (London, United Kingdom) • Full-Time • Senior
Python
TypeScript
DevOps
AWS
Chips/EDA
PoC Library
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Unisys Corporation

unisys.com
Unisys Corporation is a global information technology solutions firm that delivers enterprise computing, cloud, cybersecurity, and digital workplace services to major businesses and public sector organizations. Formed in 1986 through the merger of legacy computer pioneers Burroughs and Sperry, the company has transformed from a hardware manufacturer into an IT managed-services provider.
unisys.com • HQ: Blue Bell, United States • Cybersecurity • Cloud Computing • Information Technology • 1001-5000 employees
HQ: Blue Bell, United States • Cybersecurity • Cloud Computing • Information Technology • 1001-5000 employees
Open 221 dayVerified live · 2 hours ago 8 months ago

Software Full Stack Support/Developer

$74k – $167k per year (Estimated)Remote/Hybrid (Milton Keynes, United Kingdom) • Full-Time
C#
JavaScript
SQL
C#
ASP.NET Core
Databases
MS SQL
DevOps
Azure
Azure DevOps
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Fractile

fractile.ai
Fractile is a London semiconductor company founded in 2022 that designs chips for large language model inference. Its in-memory computing architecture aims to remove the memory bottleneck that limits how fast transformer models can run. The company is backed by prominent artificial intelligence investors including a NVIDIA venture arm.
fractile.ai • HQ: London, United Kingdom • AI Infrastructure • Artificial Intelligence • Hardware • 501-1000 employees • Est. 2022
HQ: London, United Kingdom • AI Infrastructure • Artificial Intelligence • Hardware • 501-1000 employees • Est. 2022
Open 222 daysVerified live · 7 hours ago 8 months ago

Rust Software Engineer

$86k – $193k per year (Estimated)In office (London, United Kingdom) • Internship
C++
Rust
AI/ML
SGLang
vLLM
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Open 222 daysVerified live · 7 hours ago 8 months ago

Rust Software Engineer

$85k – $192k per year (Estimated)In office (Bristol, United Kingdom) • Internship
C++
Rust
AI/ML
SGLang
vLLM
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Open 269 daysVerified live · 7 hours ago 9 months ago

Senior Systems Software Engineer

$99k – $180k per year (Estimated) • Senior • 3+ years expIn office (London, United Kingdom) • Internship • Senior
Rust
DevOps
RTOS
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Junior AI

junior.ai
Junior AI is an artificial intelligence startup that develops specialized AI-powered coding and workflow tools designed to assist engineering teams. The platform automates repetitive software development tasks, such as code generation, bug fixing, and pull request reviews, acting as a virtual junior developer for product teams. By accelerating routine engineering workflows, it enables human developers to focus on higher-level system architecture and strategic problem-solving.
junior.ai • London • New York • Hardware • Embedded Systems • Security Compliance • Cybersecurity • 51-200 employees
London • New York • Hardware • Embedded Systems • Security Compliance • Cybersecurity • 51-200 employees
Verified live · 1 day ago 8 months ago

Senior Backend Engineer

$149k – $189k per year • Senior • In office (London, United Kingdom) • Visa sponsorship • Full-Time • Senior
Python
TypeScript
JavaScript
Databases
PostgreSQL
AI/ML
LLM
Together AI
AI Agents
Embeddings
Frontend
Next.js
React.js
Apply
Report
Mitsubishi UFJ Financial Group (MUFG) is one of Japan's largest financial services holding companies and one of the premier global banking groups. The enterprise provides a broad range of services, including commercial banking, trust banking, securities, credit cards, and asset management to retail, corporate, and institutional clients.
mufg.jp • HQ: Tokyo, Japan • Asset Management • Financial Services • Banking • 1001-5000 employees • Est. 1900
HQ: Tokyo, Japan • Asset Management • Financial Services • Banking • 1001-5000 employees • Est. 1900
Open 225 daysVerified live · 1 day ago 8 months ago

Vice President, AWS Cloud Technical Lead

$61k – $169k per year (Estimated) • Executive • In office (London, United Kingdom) • Bachelor's Degree • Full-Time • Staff
PowerShell
Python
DevOps
Amazon EC2
AWS
AWS Lambda
Azure
Azure DevOps
Bicep
CI/CD
CloudFormation
Git
GitHub Actions
Rest API
Terraform
Amazon S3
GitHub
IAM
Cybersecurity
Least Privilege
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LangChain

langchain.com
LangChain is an AI technology company that provides open-source frameworks and developer tools for building applications powered by large language models and AI agents. Its ecosystem includes LangChain for agent development, LangGraph for workflow orchestration, and LangSmith for testing, monitoring, evaluation, and deployment. The platform helps developers and enterprises create reliable generative AI applications by connecting models, tools, data sources, and business workflows.
langchain.com • HQ: San Francisco, United States • AI Agents • Artificial Intelligence • LLM & Generative AI
HQ: San Francisco, United States • AI Agents • Artificial Intelligence • LLM & Generative AI
Open 226 daysVerified live · 1 day ago 8 months ago

Deployed Engineer (UK)

$74k – $173k per year (Estimated) • Middle • 3+ years expIn office (London, United Kingdom) • Full-Time • Middle
JavaScript
Python
AI/ML
AI Agents
LangChain
LangGraph
LangSmith
LLM
LLM Guardrails
DevOps
Cloudflare
AWS
Azure
GCP
Kubernetes
Management
Monday.com
Apply
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Ergonia

ergonia.io
You own quality and test automation at Cashen. You will build the QA infrastructure from the ground up - automated test suites, CI integration, regression coverage, and release validation - for a platform where bugs have financial consequences. A missed edge case in a deal state transition or an interest accrual rounding error doesn't just degrade UX - it moves money incorrectly between institutional counterparties.
ergonia.io • London • FinTech • Software • Quality Assurance
London • FinTech • Software • Quality Assurance
Open 231 dayVerified live · 2 days ago 8 months ago

Solana PERP DEX: Superis Labs - Software Engineer, Backend

$86k – $194k per year (Estimated) • Middle • 3+ years expLondon • Remote (United Kingdom) • Full-Time • Middle
Rust
Web3
DeFi
Smart Contracts
Solana
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Bauermedia

bauermedia.com
At Bauer Media Group our purpose is to enrich everyday life by creating content that matters to millions of people across Europe.
bauermedia.com • London • Liverpool • Manchester • Woking • Leeds • Digital Media • Broadcasting • Media & Entertainment
London • Liverpool • Manchester • Woking • Leeds • Digital Media • Broadcasting • Media & Entertainment
Verified live · 7 hours ago 8 months ago

Lead Software Engineer

$94k – $189k per year (Estimated) • Lead • In office (London, United Kingdom) • Staff
Node JS
TypeScript
JavaScript
SQL
Databases
PostgreSQL
Frontend
React.js
DevOps
AWS
CI/CD
Grafana
Jenkins
Kubernetes
Terraform
Apply
Report

Paddle

paddle.com
Paddle is a London company founded in 2012 that acts as merchant of record for software businesses. It handles checkout, subscription billing, sales tax and compliance worldwide so developers do not have to register in each jurisdiction. The company serves thousands of software as a service and digital product companies globally.
paddle.com • HQ: London, United Kingdom • Cloud Computing • Est. 2012
HQ: London, United Kingdom • Cloud Computing • Est. 2012
Open 257 daysVerified live · 1 day ago 9 months ago

Senior Software Engineer - Go

$90k – $172k per year (Estimated) • Senior • Remote (United Kingdom, Ireland, Portugal) • Full-Time • Senior
Go
DevOps
AWS
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Harness

harness.io
Harness is a unified, end-to-end AI software delivery platform to manage the SDLC using purpose-built AI agents.
harness.io • Bengaluru • San Francisco • Chicago • Raleigh • Tampa • Artificial Intelligence • Information Technology • DevOps • Est. 2016
Bengaluru • San Francisco • Chicago • Raleigh • Tampa • Artificial Intelligence • Information Technology • DevOps • Est. 2016
Open 284 daysVerified live · 7 min ago 10 months ago

Staff Software Engineer

$132k – $285k per year (Estimated) • Staff+ • 7+ years expIn office (Belfast, United Kingdom) • Bachelor's Degree • Internship • Staff
Go
Java
Python
SQL
Databases
TimescaleDB
PostgreSQL
AI/ML
Knowledge Graph
Frontend
GraphQL
DevOps
AppDynamics
AWS
Azure
CI/CD
Docker
GCP
gRPC
Kubernetes
Apply
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Invisible Technologies

invisibletech.ai
Invisible Technologies is a company founded in 2015 that combines expert human operators with automation to run business processes and to train frontier models. It supplies reinforcement learning from human feedback, expert data and evaluation services to leading artificial intelligence labs. The company operates a distributed workforce organised around a proprietary process orchestration platform.
invisibletech.ai • HQ: New York, United States • Information Technology • Financial Services • Artificial Intelligence • Est. 2015
HQ: New York, United States • Information Technology • Financial Services • Artificial Intelligence • Est. 2015
Open 293 daysTop 25% pay 10 months ago

Principal Backend Engineer (Forward Deployed)

$250k – $300k per year • Lead • 10+ years expRemote/Hybrid (London, United Kingdom) • Bachelor's Degree • Principal
Python
Python
FastAPI
Databases
Apache Kafka
Pinecone
AI/ML
Cohere SDK
LangChain
LLM
AI Agents
Hugging Face
OpenAI
DevOps
AWS
Docker
GCP
Kubernetes
Analytics
ETL/ELT
Apply
Open 313 daysTop 25% pay 11 months ago

Staff Software Engineer (Forward Deployed)

$210k – $300k per year • Staff+ • 8+ years expRemote/Hybrid (London, United Kingdom) • Bachelor's Degree • Staff
Python
Python
FastAPI
Databases
Apache Kafka
Pinecone
AI/ML
Cohere SDK
LangChain
LLM
AI Agents
Hugging Face
OpenAI
DevOps
AWS
Docker
GCP
Kubernetes
Analytics
ETL/ELT
Apply
Open 313 daysTop 25% pay 11 months ago

Senior Software Engineer (Forward Deployed)

$180k – $264k per year • Senior • 6+ years expRemote/Hybrid (London, United Kingdom) • Bachelor's Degree • Senior
Python
Python
FastAPI
Databases
Apache Kafka
Pinecone
AI/ML
Cohere SDK
LangChain
LLM
AI Agents
Hugging Face
OpenAI
DevOps
AWS
Docker
GCP
Kubernetes
Analytics
ETL/ELT
Apply
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Wiz

wiz.io
Wiz develops a cloud security platform that helps organizations identify and manage risks across cloud infrastructure and applications. Its software analyzes configurations, identities, vulnerabilities, data exposure, and workloads to prioritize security issues and support remediation.
wiz.io • HQ: New York, United States • HQ: Tel Aviv, Israel • Information Technology • Cybersecurity • Cloud Computing • Cloud Security • 1001-5000 employees
HQ: New York, United States • HQ: Tel Aviv, Israel • Information Technology • Cybersecurity • Cloud Computing • Cloud Security • 1001-5000 employees
Open 294 daysVerified live · 3 hours ago 10 months ago

Expert Backend Engineer

$92k – $166k per year (Estimated) • Senior • 6+ years expIn office (London, United Kingdom) • Bachelor's Degree • Senior
C#
Go
Java
Databases
Amazon Neptune
PostgreSQL
Frontend
GraphQL
DevOps
AWS
Azure
GCP
CI/CD
Docker
Kubernetes
Cybersecurity
Wiz
Apply
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Flying Bisons

flyingbisons.com
Flying Bisons is a strategic design and implementation firm that provides digital consulting services focused on creating and improving online products and user experiences. The company offers expertise in areas such as digital strategy, research, design, and end to end delivery for organizations undergoing digital transformation.
flyingbisons.com • Warsaw • Professional Services • Design & Creative • UI/UX Design
Warsaw • Professional Services • Design & Creative • UI/UX Design
Open 300 daysVerified live · 11 hours ago 10 months ago

Freelance Backend Developer

$28k – $71k per year (Estimated) • Junior • 2+ years exp • Remote (Europe) • Freelance • Junior • English: B2
PHP
SQL
PHP
Symfony
PHPUnit
DevOps
Docker
Git
CI/CD
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Backend Developer Salary in United Kingdom
Frequently asked questions
How many Backend Developer jobs in United Kingdom are available on Alion?
There are currently 1014 active listings from 343 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs in United Kingdom pay?
The average salary is around $190,923 per year based on the current listings.
Are remote options available for Backend Developer jobs in United Kingdom?
Yes, many of these roles offer remote or hybrid work, and you can filter listings by remote, relocation and visa sponsorship.
How do I apply for Backend Developer jobs in United Kingdom?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.