Backend Developer jobs in United Kingdom hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $187,986/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
United Kingdom
AI/ML
Software
Data
Security
DevOps & Cloud
Leadership
Product
Design
Fintech
Hardware & Chips
Defense
Aerospace
Biotech
Energy
Robotics
Automotive
MedTech
Science
Applied AI
LLM & agents
AI integration
Research
MLOps
AI hardware
Vision & speech
AI product
AI Safety
LLM
RAG
PyTorch
Prompting
TensorFlow
LangChain
Fine-tuning
NLP
More
Backend
ERP & CRM
Solutions
QA
Frontend
Mobile
Full Stack
Web3
Gamedev
Python
Java
JavaScript
TypeScript
C++
C#
Go
Kotlin
PHP
Rust
More
Data Science
Data Engineering
Business analysts
Data analysts
Systems analysts
BI
Databases
SQL
Python
Power BI
Databricks
Snowflake
Tableau
Spark
BigQuery
dbt
More
Security engineers
AppSec & DevSecOps
SOC & response
Threats & pentest
IAM
Security leaders
SIEM
ISO 27001
Zero Trust
SOC 2
Active Directory
Splunk
OWASP
PCI DSS
More
IT support
DevOps & SRE
Sysadmins
Networks
Cloud
Data centers
Linux
AWS
Azure
Kubernetes
Terraform
GCP
More
Engineering managers
Engineering directors
AI & data directors
Tech PM
CTO & C-level
Product & IT directors
Product managers
Program managers
Heads of product
Product Ops
Project managers
Scrum & Agile
Tech writers
DevRel
Release managers
AI agents
Jira
SQL
A/B tests
Power BI
More
Product designers
UX/UI
Graphic & visual
Design leads
Brand & art
Web designers
Motion
Figma
Photoshop
After Effects
Illustrator
More
Payments
Digital banking
Lending & BNPL
Trading & investing
InsurTech
RegTech & fraud
Finance software & data
Crypto
Engineering
Data & ML
Quant
Product & design
Security
More
Chip design
Fab equipment
Fabs
Electronics & RF
Embedded
Photonics
Architecture
Quantum
Engineering
Science & R&D
Technicians
Software & data
Internships
More
Defense manufacturing
C4ISR
Missiles & air defense
Electronic warfare
Military drones
Defense AI
Space defense
Intelligence
Naval
Military comms
With clearance
No clearance
Engineering
Science & R&D
Technicians
Software & data
Internships
More
Aircraft
Satellites
Avionics
Rockets & launch
Space services
Satcom
Earth observation
eVTOL
Engineering
Science & R&D
Technicians
Software & data
Internships
More
Drugs
Lab equipment
Oncology
CRO & CDMO
Biologics
Immunology
Cardiometabolic
Neurology
Vaccines
Rare diseases
Genomics
Gene therapy
Engineering
Science & R&D
Technicians
Software & data
Internships
More
Nuclear
Renewables
Storage
Hydrogen
EV charging
Fusion
Grid & electrification
Oil & Gas
Engineering
Science & R&D
Technicians
Software & data
Internships
More
Robot software
Self-driving
Industrial robots
Drones
Warehouse robots
Humanoids
Industrial automation
Mechatronics
Medical robots
Engineering
Science & R&D
Technicians
Software & data
Internships
More
EV & powertrain
ADAS & self-driving
Vehicle software
Vehicle engineering
Test & safety
Carmakers
Suppliers
Engineering
Science & R&D
Technicians
Software & data
Internships
More
Diagnostics
Surgery
Neurotech
Cardio
Diabetes
Orthopedics
Imaging
Patient monitoring
Medical robots
Engineering
Science & R&D
Technicians
Software & data
Internships
More
Physics
Chemistry
Materials
Life sciences
Earth & environment
Computational
Postdocs & fellows
Research institutes
8,988 remote jobs are open to candidates in United Kingdom.Show remote jobs
flowengineering.com · HQ: San Francisco, United States · CAD, PLM & BIM Software · Manufacturing & Industrial Software · 501-1000 employees · Startup · Trust B · Hiring 35, 3 new
HQ: San Francisco, United States · CAD, PLM & BIM Software · Manufacturing & Industrial Software · 501-1000 employees · Startup · Trust B · Hiring 35, 3 new
Flow Engineering develops Flow, a requirements management and verification platform for hardware engineering teams that links requirements, CAD, simulation, code and test data in one living systems graph, with AI agents that propagate changes and run impact analysis. Its customers are aerospace, defense, automotive and hardware companies, and it has announced a three-year strategic partnership with Rivian and Volkswagen Group Technologies. Based in San Francisco with staff in London, Los Angeles, Austin and Washington, it hires software and infrastructure engineers, forward deployed engineers, solutions architects, account executives, deployment strategists and growth marketers.
depop.com · HQ: London, United Kingdom · Marketplaces · Secondhand · 501-1000 employees · Est. 2011 · Trust B · Hiring 22, 2 new
HQ: London, United Kingdom · Marketplaces · Secondhand · 501-1000 employees · Est. 2011 · Trust B · Hiring 22, 2 new
Depop is a London company founded in 2011 that runs a social marketplace for second hand fashion. Its app blends resale listings with a feed and follower model that suits younger sellers building personal brands. The company was acquired by Etsy and continues to operate from London with millions of active users.
leidos.com · HQ: Reston, United States · C4ISR · National Security · Engineering Services · Defense Manufacturing · Systems Integrators · 5000+ employees · Est. 2013 · IT services · Trust B · Hiring 1722, 208 new
HQ: Reston, United States · C4ISR · National Security · Engineering Services · Defense Manufacturing · Systems Integrators · 5000+ employees · Est. 2013 · IT services · Trust B · Hiring 1722, 208 new
Leidos is an American technology and engineering services company created in 2013 when Science Applications International Corporation split in two, with Leidos taking the technical services and solutions business. It is one of the largest suppliers to the United States government, working across defence programmes, intelligence systems, civil agencies including the Federal Aviation Administration, and healthcare services for the Department of Veterans Affairs. Headquartered in Reston, Virginia, the company also builds security detection products for airports and borders, and has concentrated recent investment on trusted artificial intelligence and autonomy for mission environments.
palantir.com · HQ: Denver, United States · Defense AI · Data Integration & ETL Tools · Decision Intelligence · 1001-5000 employees · Est. 2003 · NASDAQ: PLTR · Trust C · Hiring 230, 3 new
HQ: Denver, United States · Defense AI · Data Integration & ETL Tools · Decision Intelligence · 1001-5000 employees · Est. 2003 · NASDAQ: PLTR · Trust C · Hiring 230, 3 new
Palantir Technologies is an American software company founded in 2003 that builds platforms for integrating, analysing and acting on large and fragmented datasets. Its Gotham platform serves defence, intelligence and law enforcement customers, Foundry brings the same data-operating model to commercial industries such as manufacturing, healthcare and energy, and the Artificial Intelligence Platform layers large language models over both. Headquartered in Denver, Colorado and listed on the New York Stock Exchange since 2020, the company is known for deploying forward engineers directly inside customer organisations.
grafana.com · HQ: New York, United States · Log Management & Analytics · BI & Dashboard Software · Observability & APM · 1001-5000 employees · Est. 2014 · Trust B · Hiring 120, 7 new
HQ: New York, United States · Log Management & Analytics · BI & Dashboard Software · Observability & APM · 1001-5000 employees · Est. 2014 · Trust B · Hiring 120, 7 new
Grafana Labs is the company behind Grafana, the open source dashboard and visualisation tool that has become the default front end for infrastructure and application monitoring. Founded in 2014 around a project originally forked from Kibana, it has built a full observability stack alongside the dashboards, including Loki for logs, Tempo for traces, Mimir for long-term metrics storage and Pyroscope for continuous profiling, all released under open source licences. Revenue comes from a hosted cloud service and from enterprise subscriptions, and the company operates as a remote-first organisation with staff spread across dozens of countries.
madetech.com · HQ: London, United Kingdom · Digital Government · Custom Software Development · 51-200 employees · Est. 2012 · Hiring 23
HQ: London, United Kingdom · Digital Government · Custom Software Development · 51-200 employees · Est. 2012 · Hiring 23
Made Tech is a London company founded in 2012 that builds digital services for the British public sector. It works with central government, health and local authorities on modern software delivery, data platforms and cloud migration. The company is listed on the London growth market and trains engineers through its own academy.
northropgrumman.com · HQ: Falls Church, United States · Space Defense · C4ISR · Satellite Manufacturing · Aerospace Manufacturing · Defense Manufacturing · 5000+ employees · Est. 1994 · Trust B · Hiring 2755, 353 new
HQ: Falls Church, United States · Space Defense · C4ISR · Satellite Manufacturing · Aerospace Manufacturing · Defense Manufacturing · 5000+ employees · Est. 1994 · Trust B · Hiring 2755, 353 new
Northrop Grumman is an American defence contractor whose oldest predecessor was founded in 1939, and which took its present form through the 1994 combination of Northrop and Grumman. It builds strategic systems including the B-21 Raider bomber and the Sentinel intercontinental ballistic missile programme, military and civil space systems, radars and electronic warfare equipment, autonomous aircraft, and mission systems and software for the United States armed forces and allied governments. Headquartered in Falls Church, Virginia and listed on the New York Stock Exchange, it earns the large majority of its revenue from the American government and employs close to one hundred thousand people.
lockheedmartin.com · HQ: Bethesda, United States · Military Satellites · Aerospace Manufacturing · Missiles · Combat Aircraft · Defense Manufacturing · 5000+ employees · Est. 1995 · NYSE: LMT · Trust A · Hiring 3848, 155 new
HQ: Bethesda, United States · Military Satellites · Aerospace Manufacturing · Missiles · Combat Aircraft · Defense Manufacturing · 5000+ employees · Est. 1995 · NYSE: LMT · Trust A · Hiring 3848, 155 new
Lockheed Martin is the largest defence contractor in the world, formed in 1995 by merging Lockheed Corporation with Martin Marietta and headquartered in Bethesda, Maryland. Its single most important programme is the F-35 Lightning II, the most expensive weapons system ever built, alongside the F-16, the C-130 transport and classified work at the Skunk Works advanced development unit. The company also dominates missile defence with THAAD and PAC-3 interceptors, supplies HIMARS and Javelin systems, owns the helicopter maker Sikorsky, and builds the Orion crew capsule and military satellites through its space division.
cityscience.com · HQ: Exeter, United Kingdom · Engineering Services · 51-200 employees · Est. 2015 · Hiring 2
HQ: Exeter, United Kingdom · Engineering Services · 51-200 employees · Est. 2015 · Hiring 2
Carbon first engineering We help clients who are committed to decarbonisation achieve meaningful and quantifiable carbon reductions quickly and efficiently Contact us now City Science is the first engineering company dedicated to decarbonisation.
iverify.com · HQ: Long Island City, United States · Information Security · Endpoint Security · 51-200 employees · Est. 2023 · Startup · Hiring 4, 1 new
HQ: Long Island City, United States · Information Security · Endpoint Security · 51-200 employees · Est. 2023 · Startup · Hiring 4, 1 new
IVerify provides Mobile Endpoint Detection and Response (EDR) for enterprise fleets, protecting managed and BYOD devices against zero-day exploits, mercenary spyware, smishing, and SIM-swap attacks. Used by enterprise security teams at companies including Figma.
red-badger.com · HQ: London, United Kingdom · UI/UX Design · IT Consulting & Digital Transformation · Custom Software Development · 201-500 employees · Est. 2010 · Trust A · Hiring 28, 3 new
HQ: London, United Kingdom · UI/UX Design · IT Consulting & Digital Transformation · Custom Software Development · 201-500 employees · Est. 2010 · Trust A · Hiring 28, 3 new
Red Badger is a digital product consultancy that designs and builds software products, web platforms and mobile apps for large enterprises, offering product strategy, user experience design, software engineering and platform delivery. Its clients include banks, retailers and media groups, and it runs delivery teams in the United Kingdom, South Africa and New Zealand. The company is headquartered in London, England, United Kingdom.
circuithub.com · HQ: South Deerfield, United States · Electronics Manufacturing · PCB Fabrication & Assembly · 51-200 employees · Est. 2013 · Startup · Hiring 10
HQ: South Deerfield, United States · Electronics Manufacturing · PCB Fabrication & Assembly · 51-200 employees · Est. 2013 · Startup · Hiring 10
CircuitHub is an electronics manufacturing company that runs an automated electronics factory for rapid prototyping and short-run production, serving hardware companies in robotics, satellites and 3D printing. It has raised venture capital from Y Combinator and Google Ventures and hires production operators and automation engineers. The company is headquartered in South Deerfield, Massachusetts, United States.
bloomon is a flower subscription company built on its own supply chain and logistics software. By shipping directly from growers it cuts several days out of the traditional flower trade. The company is headquartered in Amsterdam and operates across North-West Europe.
baesystems.com · HQ: London, United Kingdom · Naval Systems · Combat Aircraft · Defense Manufacturing · 1001-5000 employees · Est. 1999 · Trust A · Hiring 284, 55 new
HQ: London, United Kingdom · Naval Systems · Combat Aircraft · Defense Manufacturing · 1001-5000 employees · Est. 1999 · Trust A · Hiring 284, 55 new
BAE Systems is a British multinational defence, security and aerospace company headquartered in London, building combat aircraft, warships, submarines, land vehicles, electronic systems and cyber and intelligence products. Formed in 1999 from the merger of British Aerospace and Marconi Electronic Systems, it is listed on the London Stock Exchange and has major operations in the UK, the US, Australia, Saudi Arabia and Qatar, and works on the Edgewing combat air programme. It hires hardware, software, structures, flight systems and spacecraft engineers, test and manufacturing specialists, project managers, supply chain and procurement staff, and graduates.
gammagroup.co · HQ: Newbury, United Kingdom · Unified Communications · Security Compliance · Government · Telecommunications · 501-1000 employees · Trust B · Hiring 25, 7 new
HQ: Newbury, United Kingdom · Unified Communications · Security Compliance · Government · Telecommunications · 501-1000 employees · Trust B · Hiring 25, 7 new
Gamma Communications is a Newbury company founded in 2001 that supplies business voice, connectivity and cloud communications. It sells mainly through a channel of resellers and operates its own network and Microsoft Teams calling platform. The company has expanded into Germany, the Netherlands and Spain.
oneadvanced.com · HQ: Birmingham, United Kingdom · Continuing Education · LLM & Generative AI · Information Technology · EHR & Clinical Software · Legal Software · HR & Payroll Software · ERP & Business Management Software · 501-1000 employees · Est. 2008 · Trust A · Hiring 30, 3 new
HQ: Birmingham, United Kingdom · Continuing Education · LLM & Generative AI · Information Technology · EHR & Clinical Software · Legal Software · HR & Payroll Software · ERP & Business Management Software · 501-1000 employees · Est. 2008 · Trust A · Hiring 30, 3 new
OneAdvanced is a Birmingham software company that supplies business applications to British organisations across many sectors. Its products cover human resources, finance, legal case management and health and care systems. The company is one of the largest domestic software providers to the public sector and professional services firms.
marksandspencer.com · HQ: London, United Kingdom · Home Decor · Apparel & Fashion Brands · Online Groceries · 1001-5000 employees · Est. 1884 · Trust A · Hiring 83, 13 new
HQ: London, United Kingdom · Home Decor · Apparel & Fashion Brands · Online Groceries · 1001-5000 employees · Est. 1884 · Trust A · Hiring 83, 13 new
Marks & Spencer is a British retailer selling clothing, lingerie, beauty products, home furnishings and food through hundreds of stores in the United Kingdom, an international franchise network and its online shop. Its food business sells own-brand groceries and prepared meals, and it owns a stake in the online grocer Ocado Retail. The company was founded in 1884. The company is headquartered in London, England, United Kingdom.
