Part-Time Senior Software Engineer Jobs in London

1 to 25 of 98 Part-Time Senior Software Engineer Jobs in London

Senior Software Engineer (London Area)

London, UK
Miller Maxwell Ltd
Senior Software Engineer. One of the UK’s leading and award-winning Wealth Managers seeks to hire an experienced Software engineers to lead agile based projects. The Senior Software Engineer will lead a team of software developers who deliver applications, integration, data and … reporting solutions across the business. The team is expanding, and the Senior Software Engineer will drive development/engineering strategy and client delivery. The Senior Software Engineer will: Influence and implement new ideas across software development teams Help to implement Agile practices Influence … software development strategy Work closely with senior stakeholders across the business Be hands-on and be able to be involved in technical work when required Manage high priority incidents and manage high profile customers Take responsibility for recruitment, training and develop technical skills of new developers joining the More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (London Area)

London, UK
Hybrid / WFH Options
Scaletek
Senior Software Engineer £70,000-£85,000 + discretionary bonus + EMI options scheme + Private Medical & Dental London (Hybrid working) PHP, Laravel, Tailwind, Inertia, Vue, AWS Senior Software Engineer position available for an expanding social sharing platform. This exciting position will see you … Vue, Inertia, Livewire, and Tailwind CSS. Their infrastructure leverages AWS, Aurora RDS, Redis, DynamoDB, and Soketi, managed through Laravel Forge, Envoyer, and Horizon. This Senior Software Engineer position will see you playing a pivotal role in developing new features, maintaining the high-traffic platform, and continually enhancing … experience. You’ll collaborate closely with the product team, influence architectural decisions, and contribute to the agile development processes. To be considered for this Senior Software Engineer position you must: Be an experienced PHP Developer. Know Laravel inside out. Have an in-depth knowledge of React/ More ❯
Employment Type: Part-time
Posted:

Software Engineer/Senior Software Engineer (London Area)

London, UK
Hybrid / WFH Options
Hypervision Surgical
Job title (Senior) Software Engineer The role We are seeking a curious, creative and motivated individual who rises to the challenges of continuing to build an innovation-driven start-up. As we progress towards Series A funding, this is a unique opportunity to help define the future … of surgery and play a significant role in shaping the company’s product. This role is available at Software Engineer and Senior Software Engineer level, depending on experience. As our (Senior) Software Engineer, you will contribute to ongoing improvements and upgrades to … suggest and develop new product features and support them through to release into a medically regulated environment; hold responsibility in designing, developing and maintaining software components in C++ and Python; collaborate with other software engineers and imaging scientists as well as regulatory and clinical experts to ensure our More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (London Area)

London, UK
Burns Sheehan
Senior Software Engineer | Distributed Systems | Sustainable Cloud Native Platform 💸Up to £100,000 per annum plus bonus plus stock 🏠Central London office 🖱️Golang, Rust, C, Kubernetes, Linux, Cloud Native, Distributed systems... Are you a Senior Software Engineer with extensive knowledge of building distributed systems … If so... I'm partnered with a very exciting Cloud scale-up who have received record Series A funding and are looking for innovative Senior Software Engineers to join their ambitious team! With a new VP of Engineering who has spent much of their career building out a … the-art, Greenfield code which can focus on being the worlds most accountable and sustainable cloud provider🌳 What they're looking for in a Senior Software Engineer: Tech agnostic but preferable experience working with Golang, Rust or C/C++. In-depth knowledge of distributed systems, building More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (Greater London)

London, UK
Hybrid / WFH Options
Understanding Recruitment
Senior Software Engineer – AI Voice Technology 📍 Location: Hybrid - 1 day in office with 6 months fully remote from anywhere in the world 💰 Salary: Upto £100k Senior Software Engineer (Python & Cloud Infrastructure) – We are hiring a Senior Software Engineer to join a … Kubernetes with some opportunity to learn or use Golang contributing to a platform that transforms human-machine interactions. This role offers a balance of software engineering, infrastructure scaling, and machine learning deployment . What we offer our Senior Software Engineer: Equity options – Participate in the company More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (React, Node.js, AWS) (London Area)

London, UK
Hybrid / WFH Options
Oliver Bernard
Senior Software Engineer (React, Node.js, AWS) Salary: £90,000 - £110,000. Location: Hybrid in London. Senior Software Engineer (React, Node.js, AWS) - would you like the opportunity to work for a market leading organisation, currently looking to revolutionise the data space? You will be joining … a technology team who have a passion for innovation, collaboration as well as embracing new ideas, technologies and approaches. As a Senior Software Engineer, you will be working closely with Product and design, taking full responsibility and ownership from conception to post-deployment. The company has grown … scratch. · Ideally looking for Backend focused Engineers who are comfortable across the stack so must be happy working this way. If you're a Senior Software Engineer with strong experience working in JS/TS, please apply. More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (London Area)

London, UK
Hybrid / WFH Options
Formula Recruitment
Senior Software Engineer | AI Digital Transformation Salary: Up to £100,000 plus benefits Technology: Python, Microservices, CI/CD, AI/ML, LLM or RAG Location: Hybrid/London (onsite twice a week) Multiple Vacancies An innovative company focused on enhancing client experiences through advanced technology solutions … is looking for highly skilled Senior Software Engineers to join their growing engineering function. This is a unique opportunity to work on greenfield projects that leverage modern development practices to streamline and elevate customer journeys. As a Senior Software Engineer, you will play a key … role in designing, building, and optimising scalable software solutions from the ground up. You’ll collaborate with a newly formed cross-functional team to develop high-performance, secure, and maintainable systems. You will also take ownership of key parts of the development lifecycle, from planning and implementation to testing More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (London Area)

London, UK
Albany Growth
Senior Software Engineer (Ruby on Rails/Heroku/Cloudflare) London £110k - £130k + Benefits + Stock Options Albany Growth are working with a pioneering ecommerce product business who are seeking a Senior Engineer to lead a small team of 2 other engineers. Following sustained … growth, they’re now hiring a Senior Software Engineer to lead engineering initiatives and work in a small and highly experienced team, helping shape the future of their platform. This is a hands-on senior role, reporting into the Director of Engineering and playing a key … issues, and influence architecture Champion engineering best practices and standards Key Requirements 5+ years of commercial Ruby on Rails experience 2+ years in a senior or lead engineering role Familiarity with Heroku Strong infrastructure/DevOps skills Background in performance optimisation and infrastructure scaling Experience mentoring engineers and influencing More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (London Area)

London, UK
NearTech Search
Senior Software Engineer, London, £85,000 A Senior Software Engineer with strong experience of Ruby on Rails is needed to join an e-Commerce SaaS Scale-up in London. Working within a talented team of engineers and reporting into an inspiring Technology Leader you … this is a senior developer role where you will lead by example. The new RoR Software Engineer will take the lead on multiple projects, driving standards within a product-focused engineering environment. Working within a fast-paced environment focused on delivering and shipping high quality features. What … Leadership skills with a drive to progress to Team Leader level. Weekly team meals, quarterly events, employee perks. If you're interested in this Senior Software Engineering opportunity and have a strong Ruby on Rails background, please apply with a copy of your CV ASAP More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (London Area)

London, UK
Hybrid / WFH Options
Formula Recruitment
Senior Software Engineer Type : Permanent Location : Hybrid - London twice a week Salary : Up to £95,000 + 8% Bonus + Equity An innovative and industry leading technology company are building a brand-new incubated team to work pioneer a brand new project, focussed on creating a greenfield … communication between services, touching on key areas such as networking, security, authorization, SDKs, cloud, and Kubernetes. We are seeking a highly skilled and driven Senior Software Engineer to play a pivotal role in the team, technology and MVP which is tageted for launch at the end of … and Kubernetes. Experience in networking, security, cloud computing, Kubernetes, encryption, PKI, JWT, and SPIFFE. Not all required! Proven track record of leading and mentoring software development teams. Background in product development, with an ability to work closely with product managers and field teams. Experience launching and scaling new enterprise More ❯
Employment Type: Part-time
Posted:

Senior Java Software Engineer (London Area)

London, UK
Hybrid / WFH Options
Anson McCade
suite leadership teams across FTSE companies, private businesses and major government departments in order to transform their organisations. We are currently looking for a Senior Java Software Engineer to work with a broad range of blue-chip companies and public sector organisations. As a Senior Java … Engineer , you will be working on projects that employ cutting edge technologies and deliver high profile solutions that make a genuine difference to everyday life. A Successful Senior Java Software Engineer Will Have: Strong object-oriented programming principles in Java. Extensive experience in leveraging Java … implementing RESTful services using JAX-RS. Experience in hosting and orchestration using Docker, Kubernetes and AWS Autoscaling Groups. Experience in a position of leadership. Senior Java Software Engineer Key Details: Up to £75k Salary. 10-20% discretionary bonus. Hybrid Working. Travel allowance. Requires eligibility for SC Clearance. More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (London Area)

London, UK
Hybrid / WFH Options
Harrington Starr
Senior Software Engineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to … work in the UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (London Area)

London, UK
Nando's UK & IRE
Senior Software Engineer - Accounting, Banking and Property Nando’s has been in the UK and Ireland since 1992 and we’ve grown from a single takeaway store in Ealing, London to over 500 restaurants across all locations. Originally started in Johannesburg, South Africa, we pride ourselves on … wide range of products that enable us to operate our restaurants business efficiently and provide customers with a great experience. As a Nando's Senior Software Engineer, you will allow each solution to drive the technology choice, not the other way around. You will be technology agnostic … and coach junior engineers to aid career progression and personal development Develop services and user interfaces through activities such as system design consulting, developing software platforms and frameworks, capacity planning and launch reviews Maintain services once they are live by measuring and monitoring availability, latency and overall system health. More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (London Area)

London, UK
Prism Digital
Software Engineer | C#, SQL, Legacy Refactoring | Systematic Hedge Fund Rate: £650-750 per day IR35: Outside Duration: 12 months+ Location: 3 days in the office per week in Moorgate/Liverpool Street We’re working with a high-performing, systematic hedge fund based in the City to help … them hire a Senior Software Engineer to take ownership of a core Portfolio Management platform during a major platform migration and refactor initiative. This is a unique opportunity to own and evolve a mission-critical application in a lean, engineering-led environment where quality matters and your … CI/CD, monitoring, observability (nice to have) Experience in XP or lean development (nice to have) The Role: You’ll be the lead engineer on their Portfolio Management application , refactoring the existing codebase, helping move it to a new server environment, and improving how logic sits between the More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (London Area)

London, UK
Hybrid / WFH Options
Inara
Role: Senior Software Engineer Location: Remote (with occasional monthly collaboration days) Are you... A software Engineer with 5+ years experience, working with modern programming with one or more programming languages such as Python, Golang, Java, Ruby, TypeScript etc? Experienced working on cloud platform such as … meet colleagues or even change if scenery when you like? About: Our client are a Scale-Up cloud solutions consultancy, helping customers to optimise Software & Cloud, covering DevOps, DevSecOps, Transformation, Strategy and more. Due to recent successes in the continued commercial strategy, we are now looking to grow the … engineering footprint significantly to build new teams for new customer engagements. As a Senior Software Engineer, you will have the opportunity to work across various industries and sectors. This diversity ensures that no two projects are the same, allowing you to gain valuable insights into the unique More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (City Of London)

City of London, Greater London, UK
Digital Waffle
Job Title: Senior Software Engineer Location: Remote (UK-Based) Salary: £70,000 - £85,000 DOE (Plus Bonus) We’re partnering with an award-winning SaaS company looking to expand their team with a talented Senior Software Engineer . In this role, you'll help … first designs Plan and implement new features in collaboration with cross-functional teams Work closely with UX, Product, and Engineering to drive innovation Uphold software quality through automated testing and CI/CD practices Tech Stack: C# .NET Core Azure or AWS (cloud experience) SQL Server, CosmosDB, Redis JavaScript … React, HTML, CSS CI/CD, TDD, Microservices, Docker, Kubernetes We’re looking for passionate Senior Software Engineers eager to build innovative solutions. If this sounds like you, we’d love to hear from you! All applications will be reviewed, and suitable candidates will be contacted. More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (London Area)

London, UK
Intec Select
Senior Staff Software Engineer – Embedded & Python | London Hybrid | £90,000 We're working with a leading aerospace technology company looking for a Senior Staff Software Engineer to join their embedded systems team. You'll help shape the future of real-time control systems for … next-gen aerospace applications. What You’ll Do: Design and develop embedded software for safety-critical, real-time systems Use Python for tooling, simulation, or test automation Collaborate with cross-functional teams to define and refine system requirements Lead key technical initiatives and mentor junior engineers What They’re … in embedded systems Solid Python skills (test frameworks, automation, scripting) Familiarity with real-time OS, multithreading, and safety standards like DO-178C SC Clearance Senior Staff Software Engineer – Embedded & Python | London Hybrid More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (London Area)

London, UK
Burns Sheehan
Senior Software Engineer (Founding Team) - TypeScript, (NestJS/NextJS), Rust 📍Location: West London, 3 days a week on site 💸Salary: £80-110,000 + Equity 📈 Incubated: The security of a startup within a global business ⚙️Required Skills: TypeScript, (NextJS/NextJS), Rust, GCP, ReactJS Join a startup … technology, biometric feedback and AI to positively impact the lives of many within non-surgical and mental recovery. We're looking for Mid and Senior level Software Engineers with the motivation to join a Founding team and help build the future of wellbeing music tech. You’ll be … work closely with their external clients. They're pragmatic, effective communicators and would like to bring someone in who has experience within startup environments. Senior Software Engineer (Founding Team) - TypeScript, (NestJS/NextJS), Rust More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (London Area)

London, UK
Understanding Recruitment
Senior Software Engineer (Full Stack) – Software helping Netflix, Skyscanner & Etsy! 🔥🛠️ 💰 Salary: Up to £130K + equity options 📍 Location: 3 days onsite p/week, London (Old Street) Passionate about production-ready applications? Do you enjoy having a high degree of ownership in your role when building … occur. Their platform seamlessly integrates within a business’ system, allowing teams to declare, manage and track incidents directly within their existing workflows. As the Senior Software Engineer, you will: Be working on the company’s core products that are used by some of the most reputable tech More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer - AI Development (London Area)

London, UK
Hybrid / WFH Options
Nicoll Curtin
Senior Software Engineer – AI – London One of my AI Clients are looking for an Senior Software Engineer to join a team that's reimagining how software is built by integrating cutting-edge AI tools directly into the engineering lifecycle. Responsibilities: Design intelligent multi … agent systems tailored for software development Develop prompt structures, logic flows, and tool integrations that guide agent behaviour Enable agent access to development infrastructure, including file systems, test suites, version control, and APIs Evaluate AI performance and continuously refine workflows Orchestrating systems of AI agents to elevate how teams … write and deliver software at scale Key Skills: 5+ years software engineering experience Proficiency with modern backend and frontend technologies such as Java, TypeScript, React, and MySQL Hands-on experience with generative AI tools and platforms (LLM APIs, agentic frameworks, codegen systems, vector databases) Driving innovation as a More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (London Area)

London, UK
Workonomics
Company | Cybersecurity, B2B SaaS 📏 Size | 80 people total (10 in London and growing) 🧢 Role | Software Engineer 🪜 Level | Senior 🎯 Areas | cloud infrastructure, IAC, system performance ✨ Skills | Go, Node.js, Python, AWS, GCP, K8s, Terraform 📍 Based | London (Zone 1) 💻 Hybrid | 2-3 days a week in-office 💰 Offer … while still in stealth mode . They recently raised £20m Series A and are now growing their team in London. They're seeking a Senior Software Engineer to help tackle cloud infrastructure scalability challenges . Ultimately, they're figuring out how to maintain a multi - region , multi … GCP ) in multi-region deployments Kubernetes , Terraform , CloudFormation and similar tools working in a high - growth scale - up SaaS company ✅ This will suit a software engineer who can design, build, and implement stuff from scratch ❌ This will not suit someone with a pure IT/Ops/Sys More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (.NET Remote) (East London)

East London, UK
Hybrid / WFH Options
Oliver Bernard
.NET Software Engineer – UK FinTech – Fully Remote – £70k–£100k + Bonus + Share Options I’ve got a new opportunity to share with you – one that ticks all the right boxes if you’re after meaningful engineering work, top colleagues, and the luxury of working from anywhere in … difference of London. We're partnering with a well-established UK FinTech brand that’s growing their remote engineering team. They’re hiring a Senior .NET Developer/Senior Software Engineer (C#.NET) to start as soon as possible. This is a fully remote role , with no … drop me a message and I’ll share more about the company, team, and next steps. Let’s get you into something exciting 🚀 🚀 .NET Software Engineer – UK FinTech – Fully Remote – £70k–£100k + Bonus + Share Options More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (.NET Remote) (City of London)

City of London, Greater London, UK
Hybrid / WFH Options
Oliver Bernard
.NET Software Engineer – UK FinTech – Fully Remote – £70k–£100k + Bonus + Share Options I’ve got a new opportunity to share with you – one that ticks all the right boxes if you’re after meaningful engineering work, top colleagues, and the luxury of working from anywhere in … difference of London. We're partnering with a well-established UK FinTech brand that’s growing their remote engineering team. They’re hiring a Senior .NET Developer/Senior Software Engineer (C#.NET) to start as soon as possible. This is a fully remote role , with no … drop me a message and I’ll share more about the company, team, and next steps. Let’s get you into something exciting 🚀 🚀 .NET Software Engineer – UK FinTech – Fully Remote – £70k–£100k + Bonus + Share Options More ❯
Employment Type: Part-time
Posted:

Senior CFD Software Engineer (London Area)

London, UK
IC Resources
Senior CFD Software Engineer London I'm currently supporting a Fortune 100 organisation and a global leader. In this role, you will design and enhance solver features for both CPU and GPU, as well as develop pre- and post-processing tools. You will work closely with engineers … robust solutions, actively participate in Agile planning and code reviews, and ensure code quality through thorough testing and debugging. What's required for this Senior CFD Software Engineer position? Degree in Physics, Mechanical/Aerospace Engineering, or related field. 2–5 years’ C++ (17/20) development … experience. Strong maths and problem-solving skills. Experience with CFD, meshing, or flow networks. Familiarity with OpenMP, MPI, CUDA. If you're a Senior CFD Software Engineer and you're looking for a new opportunity, please apply to learn more. If you're interested in this, or More ❯
Employment Type: Part-time
Posted:

Senior Software Engineer (London Area)

London, UK
RX Global
Senior Software Engineer - Richmond, 2 days per week in the office Would you enjoy working on our cutting-edge products? Would you enjoy ensuring the highest quality output? About our Team RX Global aims to create unforgettable experiences for attendees and exhibitors through organizing exhibitions that help … toolset and enables the rapid deployment of innovation at scale, data analytics and standard methodologies across the global business About the Role As a Senior Software Engineer, you will be part of the RX Global Digital Engineering team. You will develop full stack solutions and services as … lingual and multi-tenant systems. Requirements Experience with full-stack development on high-reliability, high-availability web applications, including PWA and/or SPA. Senior Developer experience in a multi-team, distributed Agile environment, involved in the full end-to-end lifecycle from design to deployment. Proficiency in programming More ❯
Employment Type: Part-time
Posted:
Senior Software Engineer
London
10th Percentile
£56,250
25th Percentile
£74,870
Median
£95,000
75th Percentile
£115,000
90th Percentile
£135,000