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
9,088 remote jobs are open to candidates in United Kingdom.Show remote jobs
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 3, 1 new
HQ: Long Island City, United States · Information Security · Endpoint Security · 51-200 employees · Est. 2023 · Startup · Hiring 3, 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 B · Hiring 27, 1 new
HQ: London, United Kingdom · UI/UX Design · IT Consulting & Digital Transformation · Custom Software Development · 201-500 employees · Est. 2010 · Trust B · Hiring 27, 1 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 11, 1 new
HQ: South Deerfield, United States · Electronics Manufacturing · PCB Fabrication & Assembly · 51-200 employees · Est. 2013 · Startup · Hiring 11, 1 new
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 289, 54 new
HQ: London, United Kingdom · Naval Systems · Combat Aircraft · Defense Manufacturing · 1001-5000 employees · Est. 1999 · Trust A · Hiring 289, 54 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 · Trust A · Hiring 22, 1 new
HQ: Newbury, United Kingdom · Unified Communications · Security Compliance · Government · Telecommunications · Trust A · Hiring 22, 1 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 28, 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 28, 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 101, 8 new
HQ: London, United Kingdom · Home Decor · Apparel & Fashion Brands · Online Groceries · 1001-5000 employees · Est. 1884 · Trust A · Hiring 101, 8 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.
toogoodtogo.com · HQ: Copenhagen, Denmark · Food Technology · Marketplaces · 1001-5000 employees · Est. 2015 · Trust A · Hiring 51, 9 new
HQ: Copenhagen, Denmark · Food Technology · Marketplaces · 1001-5000 employees · Est. 2015 · Trust A · Hiring 51, 9 new
Too Good To Go is a Danish technology company headquartered in Copenhagen that runs a mobile marketplace where shops, bakeries, supermarkets and restaurants sell surplus food at a discount instead of throwing it away. Founded in 2015, the company has grown across Europe, North America, Australia and Japan, with teams in London, Paris, Warsaw, Toronto, New York, Austin, Melbourne and Tokyo working with retail chains and local stores. It hires sales specialists, key account and enterprise account managers, customer success and customer experience staff, data platform and backend engineers, product managers, SEO specialists and country directors.
phorest.com · HQ: Dublin, Ireland · Personal Care · Scheduling & Booking Software · Est. 2003 · Hiring 17, 7 new
HQ: Dublin, Ireland · Personal Care · Scheduling & Booking Software · Est. 2003 · Hiring 17, 7 new
Phorest Salon Software is a renowned brand that offers comprehensive software solutions for salons, spas, and clinics worldwide. Our mission is to empower and inspire salon owners by helping them grow their businesses, attract loyal clients, and nurture talented staff. With over 155,000 hair, beauty, and clinic professionals using our software across 9,000 businesses, Phorest is known for providing the best salon marketing tools in the industry. Our software streamlines salon operations, from managing clients, scheduling appointments, and sending automated SMS and email reminders, to handling inventory and generating insightful reports. But we go beyond technology. We believe in the human touch at the heart of the salon community. That's why we connect every business with their own dedicated business advisor, providing unparalleled support and guidance to help salon owners achieve their dreams. At Phorest, we also believe in giving back. We are passionate about the salon industry and the environment, which is why we plant a tree for every salon we onboard, contributing to the Phorest Forest in Roscommon, Ireland. Join us and discover how Phorest Salon software can transform your sa
computacenter.com · HQ: Hatfield, United Kingdom · Adventure Tourism · IT Infrastructure & Networking Services · Cybersecurity · Managed IT Services (MSP) · Systems Integrators · IT Resellers & VARs · 5000+ employees · Est. 1981 · Trust A · Hiring 242, 13 new
HQ: Hatfield, United Kingdom · Adventure Tourism · IT Infrastructure & Networking Services · Cybersecurity · Managed IT Services (MSP) · Systems Integrators · IT Resellers & VARs · 5000+ employees · Est. 1981 · Trust A · Hiring 242, 13 new
Computacenter is a major British multinational IT infrastructure services provider and technology solutions company headquartered in Hatfield, Hertfordshire, United Kingdom. Founded in 1981 by Philip Hulme and Peter Ogden, the FTSE 100 constituent operates on a hybrid B2B/B2G technology reseller, systems integration, professional advisory, and managed IT services commercial model, generating multi-billion pound revenues across Europe and North America.
3ds.com · HQ: Vélizy-Villacoublay, France · Clinical Trial Software · Manufacturing & Industrial Software · Simulation & Digital Twin Software · CAD, PLM & BIM Software · 5000+ employees · Est. 1981 · Trust B · Hiring 560, 26 new
HQ: Vélizy-Villacoublay, France · Clinical Trial Software · Manufacturing & Industrial Software · Simulation & Digital Twin Software · CAD, PLM & BIM Software · 5000+ employees · Est. 1981 · Trust B · Hiring 560, 26 new
Dassault Systemes is a French software company founded in 1981 as a spin-off from the aircraft maker Dassault Aviation, created to commercialise the three-dimensional design tools its engineers had built in house. It sells the CATIA and SOLIDWORKS design suites, SIMULIA simulation, ENOVIA lifecycle management and DELMIA manufacturing planning, all now delivered through the 3DEXPERIENCE platform that treats a product as one connected model from concept to service. The group has extended the same virtual twin idea into life sciences through the Medidata clinical trial platform and into urban and healthcare simulation, and it is headquartered in Velizy-Villacoublay near Paris.
bloomandwild.com · HQ: London, United Kingdom · Flowers & Florists · Est. 2013 · Hiring 3
HQ: London, United Kingdom · Flowers & Florists · Est. 2013 · Hiring 3
Bloom & Wild is a London direct-to-consumer company founded in 2013 that redesigned flower delivery around a letterbox-sized package. It built its own ordering, forecasting and fulfilment technology to manage a perishable product with sharp demand peaks around gifting occasions. The company has expanded across several European markets and acquired local competitors.
Roche is a Swiss healthcare group founded in Basel in 1896 and is unusual in operating two large divisions of comparable importance: prescription medicines and in vitro diagnostics. The pharmaceutical business is built on oncology, neurology, immunology, ophthalmology and haemophilia, with products such as Ocrevus, Hemlibra, Perjeta and Vabysmo, while the diagnostics division supplies laboratory analysers, molecular tests and sequencing systems to hospitals worldwide. The group owns the American biotechnology company Genentech outright and the Japanese firm Chugai in majority, is controlled by a family shareholder pool, and spends among the largest research budgets in the industry.
bcg.com · HQ: Boston, United States · Professional Services · Artificial Intelligence · Data & Analytics · Information Technology · Software · Custom Software Development · IT Consulting & Digital Transformation · Analytics & BI Consulting · AI Consulting & Integration · Management Consulting · 1001-5000 employees · Est. 1963 · Trust A · Hiring 575, 72 new
HQ: Boston, United States · Professional Services · Artificial Intelligence · Data & Analytics · Information Technology · Software · Custom Software Development · IT Consulting & Digital Transformation · Analytics & BI Consulting · AI Consulting & Integration · Management Consulting · 1001-5000 employees · Est. 1963 · Trust A · Hiring 575, 72 new
Headquartered in Boston, Massachusetts, Boston Consulting Group (BCG) is a premier global management consulting firm advising leading corporations, governments, and non-profit organizations. The company partners with clients across diverse industries to solve their most complex challenges through strategic transformation, digital innovation, operational excellence, and sustainable solutions. Leveraging a vast network of expert consultants operating worldwide, it delivers actionable insights and tailored strategies designed to drive long-term competitive advantage and lasting impact.
openai.com · HQ: San Francisco, United States · Cybersecurity · Artificial Intelligence · Code Intelligence · Generative Video · Conversational AI · AI Research Labs · Foundation Models · LLM & Generative AI · 5000+ employees · Est. 2015 · Trust B · Hiring 788, 52 new
HQ: San Francisco, United States · Cybersecurity · Artificial Intelligence · Code Intelligence · Generative Video · Conversational AI · AI Research Labs · Foundation Models · LLM & Generative AI · 5000+ employees · Est. 2015 · Trust B · Hiring 788, 52 new
OpenAI is an American artificial intelligence research and deployment company founded in 2015 with the mission of ensuring that artificial general intelligence benefits all of humanity. It develops the GPT family of large language models and turns them into consumer and developer products, including the ChatGPT assistant, the Sora video model, the Codex coding agent and a commercial API used by millions of developers. Structured as a public benefit corporation controlled by a non-profit foundation, the company is backed by Microsoft and SoftBank and operates from San Francisco.