1 to 25 of 173 Permanent Software Engineer Jobs in London

Software Engineer, C#, .NET, Azure, React, COR7545B We’re looking for a mid-senior level Software Engineer to join the newly-created team of a leading financial services company based in Reading. The Software Engineer will work in a fully cloud-based Azure environment … deliver new products and capabilities to an Azure cloud-based platform. The Role Having brought development in-house that was previously outsourced, the Software Engineer will be responsible for developing high-quality applications using C#, .NET, React and SQL Server, ensuring clean architecture and maintainable code. The Software ...

Senior Software Engineer (Python) – Reducing Carbon Emissions with Machine Learning! Python on AWS £90-£110,000 per annum plus stock London Office - 1-2 days a week Are you a Senior Software Engineer with a passion for working with curious, humble colleagues to build exceptional customer … focused products using Python? Do you align with their principles – “Work as much as you want, where you want” - giving Software Engineers the autonomy and support to perform at their best? Do you want to be part of a period of significant growth and opportunity, shaping elegant solutions ...

Backend Software Engineer/Developer (Python Machine Learning AWS) Remote UK to £90k Are you a data savvy Backend Software Engineer with experience of implementing ML algorithms into production? You could be progressing your career in a senior, hands-on Backend Software Engineer role … supportive international team at a growing and hugely successful European car insurance tech company as they expand their UK presence. As a Backend Software Engineer you'll join a cross functional team, collaborating with Data Scientists and Machine Learning Engineers on complex insurance underwriting and pricing systems. They ...

Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) ***This is a hybrid role, 2 days remote and 3 days in the office*** Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions … Limited does not discriminate in regards to age, gender, national origin, religion or any other basis. An excellent opportunity has arisen for a Senior Software Engineer C++to join a friendly team my client are a well-established exchange (FinTech, Financial Technology) based in the City. My client ...

Full Stack Software Engineer (Platform & Cloud) Location: London (Hybrid - 2 days onsite) Salary: £70,000 £100,000k (DOE) Contact: Adam Mayne (url removed) (phone number removed) An exciting opportunity for a Full Stack Software Engineer to join a fast growing London technology design consultancy building next … company develops next generation cloud native, highly scalable platforms, combining modern web technologies with cutting edge backend and infrastructure engineering. As a Full Stack Software Engineer, you ll be involved not only in feature development but also in the evolution of the underlying platform and cloud architecture. This ...

Python Software Engineer/Developer (GCP FastAPI) London/WFH to £100k Opportunity for a skilled Software Engineer with strong backend Python skills to join a well-funded and profitable FinTech start-up. As a Python Software Engineer you'll join a small, talented … lots of new projects to get stuck into. You'll be collaboratively problem solving in a hands-on role which could progress to Principal Engineer or Team Lead if desired as the company continues to scale. Location/WFH: You'll join colleagues in the Central London office with ...

Lead Software Engineer/Developer (Ruby TypeScript React) London/Remote to £130k Are you a polyglot Software Engineer with Developer Experience, API/SDK development skills? You could be joining a highly regarded provider of serverless real-time infrastructure for the Internet that processes billions … from live chat and VoIP calls to real-time pricing and stock availability for a multitude of services around the globe. As a Lead Software Engineer you'll own the technical strategy and architecture for one or more Developer Ecosystems (iOS, Web, Infra/Automation), define and drive ...

Senior Software Engineer/Principal Software Engineer- C++, Python - Financial/Banking Candidates will have a minimum 8+ years C++ experience and excellent knowledge of Python -coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity. … work with the Product, Infrastructure and QA teams, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this ...

Principal Software Engineer (Go/Systems) 🚀 Series B Scale Up 🔬 Life Sciences Salary : £170,000 plus package Location : Angel (3 days per week in office) Requirements : Backend engineering specialist, with expertise in Golang, Python, Rust, Kubernetes The Mission: Orchestrating Physical Reality 🤖 I am working with a Series … disrupting the Life Sciences sector by building a cloud-to-hardware "Operating System" that automates human health. They are looking to hire a Principal Software Engineer who will be the technical heavyweight that 5–6 Staff Engineers rally behind. ⚡ The Technical Core The ecosystem is built for high ...

Principal Software Engineer/Developer (Java SpringBoot AWS) London/WFH to £120k Are you an experienced Java focussed Software Engineer, with technical project leadership and client facing skills? You could be progressing your career at a global technology consultancy. As a Principal Software Engineer … microservices environments You have a good knowledge of REST APIs You have a good understanding of AWS You have a thorough understanding of software development and Computer Science fundamentals such as Object Oriented Programming, Data Structures and Design Patterns You are familiar with DevOps, CI/CD pipelines ...

Role: Senior Software Engineer Location: London Area, United Kingdom (Hybrid) Employment Type: Full-time Seniority: Senior Level Salary: £85,000 + Bonus Are you a highly experienced Software Engineer ready to take ownership of complex systems and drive engineering excellence in a fast-paced environment … looking for a Senior Software Engineer to play a key role in designing and delivering scalable, high-quality software solutions. You'll operate at the heart of engineering-leading technical decisions, mentoring team members, and shaping architecture across modern, cloud-based platforms. This is an opportunity ...

Senior Software Engineer | Distributed Systems | Sustainable Cloud Native Platform 💸Up to £110,000 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? Looking … 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 world leading ...

Lead Software Engineer | Distributed Systems | Sustainable Cloud Native Platform 💸Up to £130,000 per annum plus bonus plus stock 🏠Central London office 🖱️Golang, Rust, C, Kubernetes, Linux, Cloud Native, Distributed systems... Are you a Lead Software Engineer with extensive knowledge of building distributed systems? Looking … so... I'm partnered with a very exciting Cloud scale-up who have received record Series A funding and are looking for innovative Lead Software Engineers to join their ambitious team! With a new VP of Engineering who has spent much of their career building out a world leading ...

Role: Senior Software Engineer - Front End Location : London/Newcastle – Hybrid Office & Home Who Are We? mkodo builds world class apps, middleware and digital products in the global lottery, betting, and gaming space. We have an open, supportive, dynamic culture where talented people are trusted to contribute … global lottery industries, brought mkodo strong financial security, access to resources and clients at a global level. About the role: Reporting to a Software Engineering Manager, the Senior Software Engineer is a major contributor and technical influencer within an engineering team delivering high-quality applications and services ...

Staff Software Engineer/Developer (Kotlin Java JVM) Hybrid WFH to £120k Would you like to progress your career in an impactful hands-on Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge … shares package Impactful role with excellent progression opportunities Opportunity to work on tech for good to positively benefits society Your role: As a Staff Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. ...

Backend Software Engineer/Developer (Java Kafka) London/WFH to £90k Are you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career? You could be joining a global technology consultancy. What … Software Engineer/Developer you will earn a highly competitive package: Salary to £90k Hybrid working (x2 days WFH per week) Pension, Life Assurance, Income Protection Private medical care for you and your family, including mental health Travel Insurance Charitable giving Gym membership for you and your family ...

Software Engineer - C++ Title : Software Engineer - C++ Company : Elite Software House Location : Remote (London office) Salary : £80,000 - £115,000 Skills : C++, Algorithms, Boost Overview : Are you someone that thinks that writing slick, classy C++ code can and should be an art? Would you like … part of an internationally recognised team of C++ experts led by the brightest C++ minds in the world? An elite software house are looking for the top 1% of engineers of all levels to come on board as they continue to develop beautiful algorithms which power business decisions ...

Senior Software Engineer | Azure | .NET core | $100bn Scale At Ripple , we’re building a world where value moves like information does today. Through our crypto solutions for financial institutions, governments, and businesses, we’re transforming the global financial system and unlocking greater economic opportunity worldwide. In 2025, Ripple … technology stack — enabling corporates to move, manage, and optimize liquidity across traditional and digital assets in real time. We’re now hiring a Staff Software Engineer to help build the next generation of corporate treasury infrastructure. Our key focus right now is scale and performance . ...

Full Stack Software Engineer Salary: £70,000 Location: London We're looking for a talented Full Stack Software Engineer with a strong frontend and mobile focus to help build and scale a modern digital platform. This is an exciting opportunity to work across the entire stack … across the full stack Collaborate closely with designers, product managers, and engineers to deliver high-quality features Experience Proven experience as a Full Stack Software Engineer delivering end to end solutions Strong expertise in React Native for cross platform mobile development (iOS & Android) Deep knowledge of Next.js, including ...

Senior Software Engineer/Front End Developer (TypeScript React) London/WFH to £120k Are you a technologist with start-up experience looking for your next opportunity? You could be progressing your career at a tech start-up that is producing an AI native data pipelining platform. What … Salary to £120k Equity Impactful role with excellent career progression as the company scales Hybrid working Pension Your role: As a Senior Software Engineer within a small team, you will build and implement new features across the full tech stack, with a focus on owning the build ...

Backend Software Engineer/Developer (Python Machine Learning AWS) Remote UK to £90k Are you a data savvy Backend Software Engineer with experience of implementing ML algorithms into production? You could be progressing your career in a senior, hands-on Backend Software Engineer role ...

Principal Software Engineer/Developer (Java SpringBoot AWS) London/WFH to £120k Are you an experienced Java focussed Software Engineer, with technical project leadership and client facing skills? You could be progressing your career at a global technology consultancy. As a Principal Software Engineer ...

Python Software Engineer/Developer (GCP FastAPI) London/WFH to £100k Opportunity for a skilled Software Engineer with strong backend Python skills to join a well-funded and profitable FinTech start-up. As a Python Software Engineer you'll join a small, talented ...

innovative medical technology company based in London is looking for a Senior Embedded Software Engineer to join their growing R&D team. The business designs and manufactures smart surgical appliances combining precision engineering, robotics and advanced embedded software. We’re looking for an experienced Senior Embedded Software Engineer with previous exposure to regulated medical device development and video experience. Their project work will involve a lot of exposure to robotic interfaces. This role is predominantly onsite, with one day per week available for home working. The company also offers flexible working hours, as long ...

Software Engineer – UK Engineering Team A fast-growing technology company building the digital infrastructure for physical AI With offices across the US, Europe, and Asia, the UK team is based in London . About the Role As a Software Engineer on the UK Engineering team … successful candidate will help lead the design, development, and optimisation of high-performance software solutions — ensuring scalability, reliability, and maintainability. They will work closely with the US engineering team and cross-functional colleagues to translate requirements into robust technical solutions. Key Responsibilities: Leading design, development, and optimisation of high ...