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
electrictwin.com · HQ: London, United Kingdom · AI Agents · Market Research · 11-50 employees · Est. 2023 · Startup · Trust B · Hiring 3
HQ: London, United Kingdom · AI Agents · Market Research · 11-50 employees · Est. 2023 · Startup · Trust B · Hiring 3
Ask your audience anything and get research-grade answers in seconds. Electric Twin builds synthetic audiences from your customer data. Up to 96% accurate, validated by LSE.
edra.ai · HQ: New York, United States · AI Agents · 51-200 employees · Startup · Trust C · Hiring 23, 4 new
HQ: New York, United States · AI Agents · 51-200 employees · Startup · Trust C · Hiring 23, 4 new
Edra learns how your business operates. Then automates it.. Your AI is only as good as the instructions you give it. Edra turns data you already have into knowledge AI can execute.
hulcan.com · London · Doncaster · Sheffield · Angel Networks & Startup Accelerators · Luxury Travel · Est. 1987 · Trust B · Hiring 5, 1 new
London · Doncaster · Sheffield · Angel Networks & Startup Accelerators · Luxury Travel · Est. 1987 · Trust B · Hiring 5, 1 new
Hulcan is a founder-led luxury group that builds and operates innovative brands across media, ecommerce, retail and fashion for a new generation of consumers.
≈ $86k – $175k per year (Estimated) · Senior · London · New York · Manchester · Sheffield · Remote (United States, United Kingdom) · Full-Time · Senior
n8n.io · HQ: Berlin, Germany · Low-Code & No-Code Platforms · Integration & API Management · Workflow & Process Automation (RPA, BPM) · 201-500 employees · Est. 2019 · Startup · Trust A · Hiring 44, 14 new
HQ: Berlin, Germany · Low-Code & No-Code Platforms · Integration & API Management · Workflow & Process Automation (RPA, BPM) · 201-500 employees · Est. 2019 · Startup · Trust A · Hiring 44, 14 new
n8n is a German workflow automation company founded in 2019 by Jan Oberhauser that develops a fair-code, node-based automation platform. Users connect hundreds of applications and APIs, add custom code and build AI agent workflows, running the software self-hosted or on the n8n cloud service. The company is headquartered in Berlin, Germany.
focused.io · New York · Chicago · London · Denver · Software · Artificial Intelligence · AI Agents · AI Consulting & Integration · 11-50 employees · Trust A · Hiring 20
New York · Chicago · London · Denver · Software · Artificial Intelligence · AI Agents · AI Consulting & Integration · 11-50 employees · Trust A · Hiring 20
Focused is a LangChain consulting partner building production AI agents, RAG pipelines, and evaluation frameworks. Trusted by LangChain since 2023.
roke.co.nz · HQ: Romsey, United Kingdom · Information Security · Engineering Services · Hiring 2
HQ: Romsey, United Kingdom · Information Security · Engineering Services · Hiring 2
Roke is a British technology and engineering company that delivers mission-critical solutions for national security and defence customers, with strengths in cyber, software and secure communications. It hires cyber and software team leads, Android platform engineers and campaign and innovation portfolio leaders. The company is based in Romsey, England, United Kingdom.
Risk Ledger is a London company founded in 2018 that maps and monitors supply chain security risk. Suppliers maintain one security profile shared with all their clients instead of completing endless bespoke questionnaires. The company visualises the wider network so organisations can see risk several tiers deep.
vodafone.com.eg · HQ: Cairo, Egypt · Money Transfer & Remittances · Broadband · Mobile Networks · 1001-5000 employees · Est. 1998 · Trust B · Hiring 538, 38 new
HQ: Cairo, Egypt · Money Transfer & Remittances · Broadband · Mobile Networks · 1001-5000 employees · Est. 1998 · Trust B · Hiring 538, 38 new
Vodafone Egypt is the country's largest mobile operator, launched in 1998 and based in Cairo. It provides voice, mobile data, fixed broadband and Vodafone Cash financial services. The company also hosts a large shared services centre serving Vodafone markets worldwide.
Upvest is a Berlin company founded in 2017 that provides investment infrastructure through interfaces. Its platform handles brokerage, custody and settlement so fintechs and banks can offer investing without becoming brokers themselves. The company holds a securities licence and serves large European neobanks.
homey.co.uk · London · Colombo · Wolverhampton · Crawley · PropTech · Real Estate Brokerage · Trust B · Hiring 23
London · Colombo · Wolverhampton · Crawley · PropTech · Real Estate Brokerage · Trust B · Hiring 23
Unlock faster property transactions with Homey. We connect Estate Agents, Solicitors, and clients for better communication and visibility. Specialised tools for each team ensure seamless workflows and a client portal for full transaction visibility.
eucalyptus.health · HQ: Sydney, Australia · Women’s Health & Maternity · Telemedicine & Virtual Care · 501-1000 employees · Est. 2019 · Trust B · Hiring 66, 2 new
HQ: Sydney, Australia · Women’s Health & Maternity · Telemedicine & Virtual Care · 501-1000 employees · Est. 2019 · Trust B · Hiring 66, 2 new
Eucalyptus is a telehealth company that runs a group of digital healthcare clinics, treating patients on its own platform with clinician-led care and medication delivered to the door. Its brands include Juniper for weight management and menopause, Pilot for men's health, Kin for fertility and reproductive care and Software for dermatology, supported by prescribers, nurses, pharmacists, dietitians and health coaches. Founded in 2019 in Sydney, it now treats patients in Australia, the United Kingdom, Germany and Japan, and has become part of Hims & Hers.
zopa.com · HQ: London, United Kingdom · Crowdfunding & P2P Lending · Cards & Card Issuing · Consumer Loans & Pawnshops · Digital Banks & Neobanks · 501-1000 employees · Est. 2004 · Trust B · Hiring 35, 1 new
HQ: London, United Kingdom · Crowdfunding & P2P Lending · Cards & Card Issuing · Consumer Loans & Pawnshops · Digital Banks & Neobanks · 501-1000 employees · Est. 2004 · Trust B · Hiring 35, 1 new
Zopa is a British digital bank that began in 2005 as the world's first peer-to-peer lending platform and received a full UK banking licence in 2020. It offers personal loans, car finance, credit cards and fixed-term and easy-access savings accounts through its mobile app, and serves more than a million customers. The company is headquartered in London, United Kingdom.
langfuse.com · HQ: San Francisco, United States · AI Evaluation & Observability · 11-50 employees · Est. 2022 · Trust B · Hiring 6
HQ: San Francisco, United States · AI Evaluation & Observability · 11-50 employees · Est. 2022 · Trust B · Hiring 6
Trace, evaluate, and improve AI agents with one open platform. Use production data to understand behavior, collaborate on fixes, and ship better quality at lower cost and latency.
anza.xyz · HQ: San Francisco, United States · Developer Tools · Blockchain Infrastructure · Est. 2024 · Hiring 2
HQ: San Francisco, United States · Developer Tools · Blockchain Infrastructure · Est. 2024 · Hiring 2
Anza is a software engineering and R&D firm dedicated to building core infrastructure, protocols, and developer tools for the Solana blockchain ecosystem. Founded in 2024 by executives and core engineers from Solana Labs, the firm focuses on enhancing network performance, reliability, and decentralization. Its major contributions include the Agave validator client - a major client fork designed to optimize block propagation and reduce latency - alongside core SDKs, token extension protocols, and infrastructure tooling for decentralized application developers.
$180k – $300k per year · Senior · New York · San Francisco · Zurich · London · Remote (United States, United Kingdom, Switzerland) · Full-Time · Senior
$180k – $300k per year · Senior · New York · San Francisco · Zurich · London · Remote (United States, United Kingdom, Switzerland) · Full-Time · Senior
rossvideo.com · HQ: Ottawa, Canada · Video Production · Broadcasting · 51-200 employees · Est. 1974 · Trust B · Hiring 4
HQ: Ottawa, Canada · Video Production · Broadcasting · 51-200 employees · Est. 1974 · Trust B · Hiring 4
Ross Video is a Canadian broadcast technology company that builds production switchers, graphics systems, robotic cameras and audio products. Its equipment is used by broadcasters and sports venues worldwide, and it has offices in Dubai and the United Kingdom. The company is headquartered near Ottawa, Canada.
Polaron connects process, structure, and performance using AI and image data to accelerate how materials are characterised, designed, and manufactured.