Software Developer Jobs in United Kingdom

Senior Software Development Engineer – Developer Experience at Capital One focuses on improving software delivery for engineers across the UK and US. The role blends engineering, community advocacy, and platform ownership to build tools, enhance CI/CD pipelines, and support AWS deployment and validation. You will act as a developer advocate, gathering feedback from UK Tech teams and sharing best practices.

Lead Software Development Engineer - Developer Experience at Capital One focuses on improving software delivery for engineers. The role blends engineering, community advocacy, and technical leadership to enhance tools, CI/CD pipelines, AWS deployment, and developer experience across UK and US teams.

Software Engineering team at DXC Technology builds innovative software solutions for enterprise clients. The Software Developer leads a group of engineers, providing technical guidance, code reviews, and mentorship while driving project delivery and strategy.

Technology team at GSA Capital builds proprietary software systems to support the firm's trading and research operations. As a Software Developer you will design, implement, and maintain high-performance code, collaborating with quantitative analysts to solve complex problems.

Application Platforms team at Freshfields builds secure, scalable software solutions that drive operational excellence. The Software Developer designs and implements Intapp Intake forms, workflows, and integrations, collaborates on architecture, and supports incident resolution.

Clio operate team builds and maintains an innovative work and case management platform for legal, energy, telecoms, and property sectors. The Software Developer role develops full‑stack features in C#, .NET, HTML, CSS, JavaScript, and SQL, optimizes hand‑crafted SQL queries, designs event‑driven workflows with Event Store, enhances search with ElasticSearch, modernizes components to .NET 8+ and Svelte.js, and automates infrastructure with Pulumi and Azure DevOps.

ITW Construction – Offsite Europe software team builds innovative engineered connectors and design software, driving value for customers. As a Software Developer you will deliver new features and bug fixes for legacy C# desktop applications and new systems, work with SQL Server, and contribute to internal tools and APIs while participating in agile scrum and code reviews.

Engineering team at YLD builds innovative digital solutions for clients. As a Senior Software Engineer you will design scalable, resilient Go backend services, develop APIs, and implement cloud‑native deployment using Docker and Kubernetes while collaborating closely with the client team.

LMAX is a high-performance, ultra-low latency exchange built in core Java, driving the financial industry in new directions. As a Software Developer, you will work across the stack on performance-critical components, blockchain integrations, or greenfield cloud systems, supported by pair programming, team rotations, and dedicated personal development time.

Industrial Platform Group at AVEVA builds CONNECT, the core industrial intelligence platform. As a Senior Software Developer you will design and develop core features, optimize scalability and reliability, and resolve complex platform issues in an agile team.

Cyber Services and Capabilities team at NCC Group builds secure ServiceNow solutions for the cybersecurity business. The Senior Software Developer designs, develops and integrates custom ServiceNow applications, collaborates with stakeholders to gather requirements, and ensures quality through testing and documentation.

WorldQuant seeks an AI Software Developer to join a new engineering team focused on building company-wide AI-driven applications. The role involves collaborating with cross-functional distributed teams, gathering and spec’ing requirements, designing scalable AI products, and staying current with AI and LLM advancements.

Electronic Products department at Cantor Fitzgerald Technology Markets LLC builds high‑performance electronic trading systems. The Software Developer C++ designs, develops and enhances matching engines, FIX gateways and other low‑latency applications, collaborating with trading, product and infrastructure teams.

Software Developer Trainee – a zero‑experience role designed to launch a career in digital technology. The position offers 12 weeks of fully funded, online training delivered by the UK government, after which successful candidates secure a full‑time role.

Atos Group's Digital Application Services (DAS) function seeks a Lead Software Developer to design, develop, and deliver scalable full-stack solutions that modernize services and improve resilience for business operations. Day-to-day work includes leading technical design and delivery, mentoring engineers, driving DevOps and continuous delivery practices, owning production services, and collaborating with architects, product managers, and client stakeholders.

Software Development Manager on the EDO Content Delivery team at Capital Group, responsible for leading a global team to design, build and scale software and data solutions that empower operating groups. The role combines hands‑on engineering with people management, overseeing resource planning, talent development and vendor coordination while delivering front‑end, back‑end and data integration capabilities.

The Verification team at bet365 is re-architecting its critical verification platform to support real-time facial recognition and operational tooling. As a Software Developer, you will build scalable, low-latency solutions using Golang, React, and cloud technologies within an agile environment.

Campus Software Engineering team at DRW builds advanced trading and risk applications. As a Software Developer Intern you will design, develop, test, and deploy proprietary software solutions, collaborating with developers, traders, and researchers on cross‑functional projects.

Risk team at Squarepoint Capital builds and maintains the core risk platform handling position management, P/L computation, inventory and order routing. The Reliability Software Engineer develops observability, regression prevention and automation platforms, implements domain logic, provides L2 support on a rotating weekly schedule, and handles incident management and configuration tweaks.