Software Engineering Jobs in United Kingdom

Open 69d HybridEurope, North America, UKFull-time

Software Engineer, Inference

Owns serving Luma's multimodal AI models at scale: integrating new architectures into the inference engine, managing GPU fleets across thousands of machines, and building scheduling, deployment, and reliability tooling. Core stack: Python, PyTorch-based serving (vLLM/SGLang/TensorRT-LLM), Linux, Docker, Kubernetes, Redis, S3.

CI/CD CUDA Docker Hugging Face Kubernetes +10 skills

195K – 345K $

Fanatics Betting & Gaming

Open 116d RemoteUKContractSenior

Senior Software Engineer - Exchange

AI CI/CD Claude Code Data Modeling DevOps +12 skills

Senior backend engineer building a regulated prediction and trading platform in Go/Java, ensuring low-latency, auditability, and compliance for a sports-focused fintech product.

Fanatics Betting & Gaming

Open 45d Europe, UKFull-timeStaff

Staff Software Engineer - Promotions Platform

The Staff Software Engineer will lead the design and development of scalable promotional systems and reward features for Fanatics Betting & Gaming. The role involves mentoring engineers, driving architectural decisions, and working with technologies like Java, Spring Boot, Kafka, and AWS.

Agile AWS E-commerce Java Kafka +4 skills

101K – 127K €

Fanatics Betting & Gaming

Software Engineer III - Data - FMX

Open 34d UK

Airflow Cloud Data Engineering Data Lineage Data Pipelines +13 skills

A mid-level data engineer on Fanatics Betting & Gaming's data platform team, building and operating Python ingestion pipelines orchestrated with Airflow and landing data in Snowflake/Databricks. Day to day: implementing new data sources, debugging pipeline failures, reviewing PRs, and supporting governance work like PII masking.

Crew Clothing Head Office

Integration Developer

HybridUK

Builds and maintains integrations linking Crew Clothing's eCommerce, warehouse (3PL), and ERP platforms using Azure Integration Services (Logic Apps, Service Bus, REST APIs). Hands-on development, deployment and monitoring of integration pipelines, go-live hyper care support, documentation, and on-call during peak trading.

Cambridge Consultants

Open 110d UK Licensed UK sponsor H-1B sponsor history

Graduate Electronics & Software Engineer (2026 start)

AI C++ Embedded Software Embedded Systems Pcb +4 skills

Graduate electronics and software engineer designing embedded systems, hardware, and firmware for diverse client projects like robotics, LEGO products, and defense systems.

streetgroup

Senior Software Engineer (L6)

HybridUKFull-timeSenior

AI Angular AWS Candidate Experience ECS +9 skills

Senior (L6) engineer at UK PropTech company Street Group in Manchester (hybrid), setting technical direction across product areas, leading platform and AI infrastructure work, and mentoring engineers across teams. Core stack is PHP/Laravel, a modern JS framework, and AWS, with a strong AI-native tooling emphasis.

35K – 45K £

Cambridge Consultants

Open 110d UK Licensed UK sponsor H-1B sponsor history

Graduate Electronic Systems Engineer (2026 start)

AI C++ Embedded Software FPGA Pcb +4 skills

Design and test electronic hardware (PCBs, FPGAs, RF) for client projects across industries like aerospace, telecoms and defence, with mentorship and hands-on lab work.

Cambridge Consultants

Graduate Electronics & Software Engineer (2027 start)

AI C++ Embedded Software Embedded Systems Pcb +4 skills

Graduate role (2027 start) in Cambridge Consultants' Electronics & Software group, working on multi-disciplinary client projects across consumer, industrial and defence markets: embedded C/C++/Rust software, FPGA/SystemVerilog, PCB design and hardware testing. Open to strong STEM graduates able to obtain UK security clearance.

DCV Technologies

Software Engineer

HybridUKContract

12-month fixed-term Software Engineer role on a Core Banking Platform team, developing and maintaining business-critical retail banking applications using Unisys mainframe technologies, including development, enhancements, troubleshooting and system integration. Hybrid role based in Farringdon, Central London, with a minimum of 2 days onsite per week.

IdAM Application Developer

UKContract

Automation Cloud Cloud Native

A contract IdAM Application Developer working on-site in Cheltenham, building, deploying and operating identity and access management and data processing solutions, including applications, automation and cloud-native platforms.

550 – 650 £ / day

Rise Technical Recruitment

Senior Systems Engineer

UKFull-timeSenior

Senior Systems Engineer joining a specialist technology and engineering business that runs a large-scale communications network supporting Critical National Infrastructure. Day-to-day work is 4th-line systems/infrastructure support across Linux, Java, SQL and high-availability environments, with on-call duties (extra £450/month supplement).

Senior IT Engineer

HybridUKSenior

Senior IT Engineer at a West Lancashire MSP in Burscough: day to day you handle the more complex technical issues, support other engineers, and get involved in projects. Hybrid working after probation, £37–45k plus training/certification support and pension.

Systems Engineer

Open 101d UK

Active Directory Ansible Automation AWS Bash +13 skills

Systems Engineer at Engineers Gate, a London-based quantitative investment manager, joining the Systems Infrastructure team. Day-to-day focuses on Linux system administration, end-user support, and maintaining a Linux-centric multi-tenant AWS environment using automation tools like Ansible and Terraform, with room to grow into larger infrastructure projects.

Ocho

Staff C++ Engineer

UKStaff

A staff-level C++ engineer in Belfast (hybrid) designing high-performance, low-level systems close to the hardware. The role combines hands-on work in modern C++ (memory, concurrency, optimisation) with owning architecture, setting standards, and mentoring other engineers.

NodeJS Engineer

A full-stack engineer role at a Belfast-based training and development company building a learning platform. Day to day you develop Node.js backend services, React frontends, and deploy/optimise on AWS (Lambda, EC2, S3, RDS) while owning features end to end.

Staff Software Engineer

UKStaff

Hybrid staff-level .NET engineer role in Belfast at a global financial technology business. The person leads architecture and engineering standards, drives large backend features from design to production, sets multi-team technical direction, and mentors senior engineers using C#/.NET and distributed-systems practices.

Senior Go Engineer

UKSenior

Senior backend engineer in Belfast designing, building, and maintaining Go microservices: developing and testing services, doing code reviews, optimizing production performance, and mentoring junior engineers. Core stack: Go, Docker/Kubernetes, AWS/GCP/Azure, SQL/NoSQL databases, and CI/CD pipelines.

Software Engineer (PHP)

Backend software engineer at a fast-growing Belfast startup, building and scaling a cloud-native PHP platform. Day to day: designing backend services, optimising performance and scalability, and contributing to architecture, databases and CI/CD on a cloud platform (AWS, Azure or GCP).

Staff Software Engineer, Traffic Team

RemoteUKStaff

Agentic AI AI AWS Azure Cloud +13 skills

Staff engineer on GitHub's Traffic Team, responsible for all traffic into and out of GitHub's edge — maintaining and improving the load balancer and building scalable solutions for rate-limiting, routing, and DDoS/load-shedding protection. Day-to-day involves leading architecture, coding primarily in Go and Ruby on Rails, mentoring engineers, and participating in on-call, as part of a distributed