Software Engineering Jobs in United Kingdom

C# Software Engineer | Front Office Trading | Investment Bank

Hands-on C#/.NET engineer at a major investment bank in Central London, modernising a business-critical front-office trading platform: building scalable services and APIs, driving DevOps/CI-CD and automation, and migrating legacy apps to cloud-native architectures on AWS/GCP. Hybrid working, £120k–£135k plus bonus.

API Cloud C# DevOps .NET

Software Development Engineer, AWS Forward Deployed Engineering

Software Development Engineer on AWS's Forward Deployed Engineering team, embedding within enterprise customer teams to design, build, deploy, and run agentic AI systems for cloud migration end-to-end. Hands-on full-stack work across React, Python, AWS CDK, and AI agent orchestration, with 30-50% travel to customer sites.

Senior Software Engineer II

UKSenior

AI engineer designing, building, and deploying production AI/ML systems for SBS's core banking, payments, and digital platforms in a regulated financial services environment. Core work: LLM applications (RAG, agentic workflows), MLOps pipelines, and async Python services with FastAPI, Pydantic, and SQLAlchemy.

C++ Application Developer

C++ developer at MBDA's Bristol facility supporting the development of Air Defence missile system products using C++ and DDS. Hybrid working with 4-5 days per week on-site, salary up to £70,000 depending on experience, and security clearance is involved.

up to 70K £

Community College of Denver

Software Application Developer

UKFull-time

Front Range Community College is hiring a full-time, on-site Software Application Developer at its Westminster, Colorado campus within Finance & Administration to build and support the college's software applications, with an annual salary of $83,000-$87,150.

Senior Software Engineer I - Account Integrity

HybridUKFull-timeSenior

Automation CI/CD Data Pipelines Data Science Feature Engineering +8 skills

About the role: Join us as a Senior Software Engineer in our critical Account Integrity team. This is a high-impact engineering role with a strong product focus, dedicated to solving complex, real-world adversarial…

Manchester United Plc

Head of Software Engineering, Data & AI Platform

UKC-level

Lead Manchester United's in-house software engineering function, building a high-performance team and modern development practices to deliver reliable, scalable software for the club's football and commercial operations. A strategic leadership role balancing people management and delivery with long-term architecture on the Data & AI platform.

United States Digital Space LLC

Quant AI Data Systems Engineer

AI Distributed Systems LiDAR

Quant developer on Encord's Foundations team building distributed data systems for AI training data. Day to day: design, build, deploy, and own fast, correct distributed systems that index and process robotics data — 3D scenes, long videos, and LIDAR — at scale, with attention to failure handling.

Client Server

Senior Python Developer / Consultant SaaS

UKSenior

Senior, hands-on Python Developer/Consultant at a profitable technology scale-up building a SaaS suite for legal firms that reduces para-legal workloads. The role combines backend Python and AWS development with client-facing consulting, based in Manchester with WFH options, paying up to £80k.

Staff Software Engineer

Open 122d UKStaff

Agentic AI Agile AI API CI/CD +15 skills

Focused, a software consultancy, is hiring a Staff Software Engineer in London to write code and lead end-to-end delivery of client projects across backend services and modern web UIs, with heavy pairing, TDD, mentoring, and GenAI work using LangChain and LLMs. Requires up to four days a week in person at the London office or client sites.

Software Engineer (C++ or Python) – 2027 Grads

Open 96d APAC, North America, UKFull-time H-1B sponsor history

Build and maintain core trading systems in C++ or Python, collaborating with algorithmic traders in a fast-paced, low-latency environment.

AI Automation C++ Linux Python +1 skills

Software Engineering Internship (C++ or Python) – Summer 2027

Open 96d APAC, North America, UKInternshipIntern H-1B sponsor history

Summer 2027 software engineering internship at Hudson River Trading, an algorithmic trading firm. Interns do hands-on, independent programming projects in Python, C, or C++ supporting HRT's trading and infrastructure technology, with structured training and mentorship. Open to full-time undergraduates in CS or related fields.

AI Automation C++ Python

Spectrum IT Recruitment

Software Developer

UKMiddle

Mid-Level Software Developer joining a growing FinTech business in Thatcham that builds financial planning and modelling technology used by major UK financial institutions. Day to day involves working on modern, complex applications with cloud technology, CI/CD, financial modelling, and AI-assisted development.

AI CI/CD Cloud Fintech

Sanderson Recruitment

Software Systems Engineer

UKFull-time

A hands-on Software Systems Engineer role at a specialist engineering business in Bridgend, designing, developing, testing and maintaining software and control systems for complex automated machinery. The work sits at the intersection of software and physical hardware, covering both existing and future products.

Trainee Software Developer – No Experience Needed

UKIntern

Self-funded training pathway from IT Online Learning that takes candidates with no prior experience into a software development career, with a job guarantee (course fees refunded if no job is secured). Delivered remotely UK-wide, with advertised earning potential of £27,000–£65,000 once employed.

Junior Software Developer

UKFull-timeJunior

Junior Software Developer joining Beaverbrooks' established Technology team in Lytham St Annes on a permanent basis. Suited to someone with a software development apprenticeship, relevant degree, or equivalent practical experience, working alongside experienced developers in a commercial environment.

32K – 36K £

Spectrum IT Recruitment Limited

Junior C# Developer

UKJunior

A junior developer joins an in-house technology team at a trading firm, building and supporting high-performance, real-time C# .NET software used in trading. Aimed at a graduate or early-career developer with some commercial C# experience who wants to advance technically.

Software Engineer - AI-Native Cloud Infrastructure

Early-career software engineer building and shipping features for customer-facing multi-cloud AI compute products at a Cambridge (UK) startup. Day to day: agent-assisted development with senior review on risky changes, plus cloud-native work across Linux, containers, CI/CD and multiple cloud providers, owning correctness and security of shipped code.

Matchtech

Systems Engineer (Integration and deployment)

Matchtech is recruiting a Systems Engineer in Bristol to deliver complex, multidisciplinary defence training systems in a highly secure environment, taking them from concept through integration, testing, and deployment. Requires SC clearance eligibility and British nationality due to the secure setting.

The Work Shop

Technical IT Engineer

A Technical IT Engineer joining a Managed IT Services company in Bournemouth, providing day-to-day IT support and services to business clients across Dorset and Hampshire. The role covers the customers' full IT estate, including hardware, software, security and broadband.