Contract Software Engineer jobs in London
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Featured

Contract Senior Software Engineer - eDV Cleared

Searchability NS&D

£500.00 - £750.00 per day
Contract
London

Sponsorship not available

The job is for a contract Senior Software Engineer with enhanced DV clearance at a leading national security company in London. The role involves working in agile teams on end-to-end software development including R&D and automation. Required skills include Java, Python, C++, C#, .NET, and enhanced security clearance.
Java
Python
C++
C#
.NET

2025-10-13

3 Applicants

Featured

Backend Software Engineer - GenAI

Harnham - Data & Analytics Recruitment

£33,600 - £38,400 per annum
Contract
London

Sponsorship not available

A Backend Software Engineer is needed for a 6-month contract focusing on GenAI backend systems. The role involves Python backend development, integrating LLM with data and compute infrastructure, and collaboration with ML, data science, and DevOps teams. The job is hybrid with 2-3 days per week in London, paying up to £800 per day.
Python
FastAPI
Cloud (GCP/AWS)
CI/CD
Git/GitHub

2025-10-09

3 Applicants

Featured

Backend Software Engineer - AI/ML

Harnham - Data & Analytics Recruitment

£700.00 - £800.00 per day
Contract
London
The job is for a Backend Software Engineer focusing on AI/ML for a 6-month contract in London. The role involves developing backend systems and APIs for machine learning applications using Python and FastAPI. Collaboration with AI teams and involvement in agile sprints are required.
Python
FastAPI
Git
GitHub
CI/CD

2025-10-09

5 Applicants

Featured

Software Engineer Node.js Typescript

Understanding Recruitment

£375.00 per day
Contract
London

Sponsorship not available

Seeking experienced Node.js and TypeScript Developer for a 3-month remote contract to refactor and enhance a customer portal. Role includes implementing GraphQL APIs and integrating new data sources. The position requires strong backend development skills and autonomous work in a fast-paced team.
Node.js
TypeScript
GraphQL
API
Backend Architecture

2025-10-08

7 Applicants

Featured

Software Engineer II

Randstad Technologies

£45.00 - £49.00 per hour
Contract
London

Sponsorship not available

Looking for an experienced Full-stack Developer for a 6-month contract in London with hybrid work arrangement. Responsibilities include building and maintaining software with clean code and debugging. Requires 3-5+ years experience and skills in TypeScript, JavaScript, Golang, and front-end frameworks like Angular or React.
TypeScript
JavaScript
Golang
Angular
React

2025-10-08

4 Applicants

Featured

Software Engineer - AI/ML

Adecco

Salary not available

Contract
London

Work location not available

Sponsorship not available

The job is for a Software Engineer with expertise in AI/ML at a leading pharmaceutical company. Responsibilities include developing Python-based applications, integrating AI/ML components, and maintaining infrastructure. Required skills are Python, GCP, Terraform, with preferred skills including Docker, FastAPI, and Kubernetes.
Python
Google Cloud Platform
Terraform
Docker
FastAPI

2025-09-08

9 Applicants

Featured

Software Engineer

Opus Recruitment Solutions Ltd

£450.00 - £500.00 per day
Contract
London

Level not available

Sponsorship not available

Contract software engineer role requiring SC clearance. Must work onsite 2 days per week in London, Manchester, or Cardiff. Role requires Python and Django skills.
Python
Django

2025-09-03

6 Applicants

Featured

Software Engineer

Jobwise

£0 - £0/annum
Full-Time
London

Work location not available

Level not available

Sponsorship not available

2025-07-25

0 Applicants

IT

Software Engineer

London is one of Europe’s hottest tech hubs, with contract Software Engineer roles across fintech, scale-ups and global enterprises. On jobwise, upload your CV and our AI parses your skills, projects and preferences to surface contracts that fit your stack, day-rate and availability. Filter by IR35 status, hybrid patterns and tools, then apply in minutes.

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Overview of Software Engineer opportunities in London

Software Engineers design, build and maintain applications, platforms and services across front-end, back-end and full-stack environments. In London, demand spans finance and fintech, e-commerce, media, healthtech, cybersecurity, gaming, consultancies and the public sector. Growth is driven by cloud migration, data platforms, AI/ML adoption and ongoing digital transformation. Jobwise uses AI to understand your CV—frameworks, languages, domains and achievements—so you can quickly discover high-relevance contracts that match your strengths and preferred ways of working.

What to expect from Contract work

Contract roles offer flexibility, higher day rates and the chance to work on cutting-edge projects without long-term commitments. In the UK, contracts may sit inside or outside IR35, and be paid via umbrella, PAYE or limited company (where appropriate). Expect clear deliverables, fixed terms (typically 3–12 months) and potential extensions. You’ll often need to hit the ground running, contribute to codebases quickly and collaborate in Agile teams. On jobwise, you can filter by contract length, day rate, IR35 status, remote/hybrid split and tech stack, helping you target roles that fit your goals and compliance needs.

Pay, working hours and long-term career growth

London contract day rates for Software Engineers commonly range from £450–£650/day at mid-level, rising to £650–£900+ for senior, lead and specialist roles (rates vary by stack, domain and IR35). Typical hours are 35–40 per week, with hybrid patterns common (e.g., 2–3 days on-site). Overtime is usually limited and pre-agreed. Career progression can mean stepping into Tech Lead, Staff/Principal Engineer, Solutions Architect or Engineering Manager positions, or building a high-demand contractor portfolio across sectors like fintech and e-commerce. Jobwise data highlights trending skills and top-paying employers, helping you plan your next move strategically.

Key skills and requirements

  • Technical: Proficiency in languages such as Java, C#, Python, JavaScript/TypeScript; frameworks like .NET, Spring, React, Node.js; strong grasp of APIs, microservices, testing (TDD/BDD), and CI/CD.
  • Cloud & DevOps: Experience with AWS, Azure or GCP; infrastructure-as-code (Terraform), containers (Docker), orchestration (Kubernetes), observability and security best practices.
  • Soft skills: Problem-solving, clean code, code reviews, Agile/Scrum collaboration, stakeholder communication, and documentation.
  • Certifications: AWS Certified Developer/Architect, Azure Developer Associate, Google Associate Cloud Engineer, Scrum Master; sector-specific checks (e.g., BPSS/SC for some public sector roles) may be required.
  • Transferable strengths: Domain knowledge (fintech, media, retail), data literacy, performance optimisation—jobwise’s AI surfaces these from your CV to match you with suitable contracts.

How jobwise makes finding Contract Software Engineer jobs in London easier

Upload your CV and jobwise instantly parses your skills, tools and achievements, matching you to relevant London contract roles. Use smart filters for stack, day rate, IR35, hybrid options and sector. Save searches, set job alerts, shortlist roles and apply quickly—our recommendation engine keeps improving as you interact, so you never miss a great contract.

Why consider Software Engineer roles in London?

  • Access to world-class tech ecosystems—fintech, AI, media, retail and public sector—plus vibrant meetups and learning communities.
  • Strong local demand and competitive day rates with hybrid working common across central and Greater London.
  • Jobwise’s AI ensures fewer missed opportunities by aligning your CV with high-relevance contracts and alerting you as soon as new roles go live.

Ready to find Contract Software Engineer jobs in London?

Browse live Contract Software Engineer jobs in London and get matched instantly with jobwise’s AI-powered CV matcher. Apply today and take the next step in your career.

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Related Job Categories

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London’s biggest hirers include finance and fintech, digital banks, e-commerce, media and broadcasting, healthtech, cybersecurity, gaming, consultancies and government bodies. On jobwise you’ll find live listings from startups to FTSE 100 organisations and public sector programmes.

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