Permanent Senior Software Engineer Jobs in London

1 to 25 of 160 Permanent Senior Software Engineer Jobs in London

Senior Software Engineer, Python, Real-time Data Processing, COR5773

London, United Kingdom
Hybrid / WFH Options
Corriculo Ltd
Senior Software Engineer, Python, Real-time Data Processing, COR5773 A rare and exciting opportunity has arisen for a Senior Software Engineer focused on Python, to join a pioneering scientific R&D company, who specialise in the development of medical devices. The Role The Senior Software Engineer, will join a small highly skilled team of Engineers, working to design, develop and maintain my clients analysis pipeline for their core platform. Working with Python and libraries such as, NumPy, SciPy and Pandas for real-time data processing. The Company The Senior Software Engineer, will join an innovative organisation who are dominating their field, creating pioneering devices that are having an enormous impact within the medical field. The company has gone from strength to strength and is looking for passionate Senior Software Engineers to support their expansion. Benefits Flexible more »
Employment Type: Permanent, Work From Home
Salary: £70,000
Posted:

Senior Software Engineer

London Area, United Kingdom
Burns Sheehan
Senior Software Engineer – Prompting | LLMs | Gen AI £100-£120,000 per annum plus stock options London Python | Gen AI | LLMs | Prompt Engineering Are you a Senior Software Engineer with knowledge of large language models and prompt engineering? Are you passionate about the possibilities of … generative AI and the impact it can make? If so, please read on… Senior Software Engineer – We are working with an exciting, pre-seed funded, AI start-up to hire several Software Engineers who will be using generative AI, large language models (LLMs) and prompting techniques … to revolutionise the software engineering process. The Founders have hugely impressive backgrounds from top tech companies and have successfully scaled multiple start-ups. The product uses generative AI to provide end-to-end automation for everyone involved in the complex product engineering lifecycle. This is more than code generation more »
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Senior Software Engineer

City Of London, England, United Kingdom
Burns Sheehan
Senior Software Engineer – Contract | ClimateTech | Typescript and GraphQL London Office – Very flexible remote policy Up to £700 per day (Outside IR35) Typescript | GraphQL | AWS Senior Software Engineer – We have been exclusively engaged by a leading ClimateTech business to find them a contract Senior Software Engineer who will join their App Platform team to provide deep expertise of APIs, specifically using Typescript and GraphQL. They are a Data company who analyse and process very complex and varied data sets. The App Platform team are responsible for the APIs which take the … useful insights on the front end. The App Platform team have been working on migrating the APIs from REST to GraphQL and, as a Senior Software Engineer, you will help in the definition, refinement and evolution of the API design to ensure the data is efficiently exposed more »
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Senior Software Engineer

Wembley, Greater London, United Kingdom
FryerMiles
Senior Software Engineer - £60,000 to £70,000 per year - Wembley (Hybrid) FryerMiles are delighted to be partnering with a global defence business to assist with the recruitment of a Senior Software Engineer to join their team based in Wembley. The successful candidate will … up the level of Continuous Integration and Automation in the clients delivery pipelines. Our client has an immediate and ongoing requirement for a passionate Senior Software Engineer with strong software development skills and equally strong DevOps skills. The ideal candidate will be a software engineer … for building, maintaining, and streamlining the continuous development and integration pipelines which support them. You’ll be working with a mixture of technologies and software languages, based around a virtualised development environment and as such there is a wide range of skills that are applicable to this role. It more »
Employment Type: Permanent
Salary: £60000 - £70000/annum medical + bonus + other
Posted:

Senior Software Engineer Golang AWS

London
Hybrid / WFH Options
Client Server
Senior Software Engineer/Developer (Go/Golang AWS) London/WFH to £100k Are you a technologist, backend focussed, Software Engineer looking for an opportunity to work on complex and interesting systems at the cutting edge of technology? You could be progressing your career … in a senior, hands-on role at a successful and growing Cyber Security Risk Management tech company. As a Senior Software Engineer you'll take a lead role in the Product Engineering team working on the development of websites, APIs and efficient database queries. As well … the team in the London office three days a week with flexibility to work from home the other two. About you: You're a senior software engineer with a strong knowledge of Go/Golang You have experience with AWS including AWS Lambdas for serverless computing You more »
Employment Type: Permanent
Salary: £85,000 - £100,000
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Senior Software Engineer C++ Python

London
Hybrid / WFH Options
Client Server
Senior Software Engineer/Developer (C++ Python GPU) London to £120k Are you a Senior Software Engineer who has expertise with C++ and Python looking for an opportunity to make an impact? You could be progressing your career at a growing tech start-up … driven intelligence video security that can be integrated to current systems and enables things like searching for particular people and licence plates. As a Senior Software Engineer you will build edge-computing applications for processing vision data and communication layers for the compute-constrained edge devices; you … join a small, growing team based in Bank, London with flexibility to work from home once a week. About you: You're a skilled Software Engineer with a thorough knowledge of Computer Science fundamentals such as OOP, Data Structures, Design Patterns You have advanced level C++ skills (they more »
Employment Type: Permanent
Salary: £100,000 - £120,000
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Senior Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Formula Recruitment
Senior Software Engineer Type: Permanent Location: Central London - mostly remote with infrequent onsite visits Salary: Up to £100,000 + Bonus A unique start-up innovating in the automation space is in search of a Senior Software Engineer with strong frontend expertise to play … team. They specialise in creating innovative & automated solution to help revolutionise cross-border logistics and the tech team is at the "cutting edge" of software engineering. As a Senior Software Engineer, you'll contribute hands-on while helping to ensure this newly formed team is aligned … of autonomy given in this role and you'll be give the opportunity to impact product architecture & engineering best practices - working closely with the senior engineering leadership team. Desired Skills & requirements as a Senior Software Engineer: Typescript & Angular (React/Vue experience with an openness to more »
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Senior Software Engineer

City Of London, England, United Kingdom
Hybrid / WFH Options
Harnham
Senior Software Engineer 6-month Contract £650 a day Inside IR35 Fully Remote - UK only As a Senior Software Engineer with proficiency in Golang (Go), you will be collaborating in a multi-disciplinary squad to enhance the functionality of the customer-focused product. You … be working on the back-end technology, using a product-thinking approach when designing solutions. The Role and Responsibilities The ideal candidate for this Senior Software engineer position will have experience: Designing, building, and maintaining back-end infrastructure and code. Collaborating with cross-functional teams to understand … Writing Golang code to improve functionality Conducting document, test and exploratory work Translating business requirements into team requirements. Desired Skills and Experience The ideal Senior Software Engineer will have experience with: Writing complex Golang (Go) code to a high level. Multi-cloud environments of GCP (and AWS more »
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Senior Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Formula Recruitment
Senior Software Engineer £100,000 - £150,000 Central London - Hybrid A heavily backed start-up in the AI space are seeking a Senior Software Engineer. The company has a leadership team consisting of leading AI specialists from FAANG organisations and they're on the path … to make waves in the industry with revolutionary tooling. They're growing the team with the "best of the best" in Software Engineering and are looking for a Senior Software Engineer who is comfortable across the stack but a specialist in frontend development. As a Senior Software Engineer you will have the following Demonstrable senior level experience in React.js & Typescript Python experience Experience working within the AI space is preferred but not essential Cloud experience with either AWS/GCP/Azure Package on offer: Great Salary: £100,000 - £150,000 Hybrid more »
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Senior Software Engineer

Greater London, England, United Kingdom
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 … impact on projects? If so... I'm partnered with a very exciting cloud startup who have received record funding and are looking for innovative Senior Software Engineers to join their ambitious team! With a new CTO who has spent much of their career building out a world leading … 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 »
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Senior Software Engineer | NodeJS/TypeScript/AWS | Up to £110,000 p/a

London Area, United Kingdom
Hybrid / WFH Options
Burns Sheehan
Senior Software Engineer | NodeJS/TypeScript/AWS | Up to £110,000 p/a 👩‍💻 Senior Software Engineer 👨‍💻 📍Hybrid working - 3 days a week from SW London offices 💰 Up to £110,000 per annum 📈 PE Backed Startup 🤹‍♂️ Multi product roadmap/greenfield development 💻 Tech … Stack: NodeJS/TypeScript, GraphQL, ReactJS, AWS Do you like the idea of being a Senior Software Developer building out a multi-product roadmap within a talented PE backed startup solving novel challenges in the SAAS and Fintech space? I am partnering with a PE backed startup with … an extensive range of paying customers. With plans for further VC funding via Series A this year, they're looking to build out their software engineering team. They're hiring experienced Senior Software Engineer individual contributors and Lead Developers to build out their SaaS product built more »
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Senior Python Software Engineer AWS Java Data Finance London

London, United Kingdom
Hybrid / WFH Options
Joseph Harry Ltd
Senior Python Software Engineer (Senior Architecture Programmer Developer Python Java Software Engineer Data Enterprise Engineering Developer Programmer AWS Python Athena Glue Airflow Ignite JavaScript Agile Pandas NumPy SciPy Spark Dremio Snowflake Apache Iceburg Iceberg Arrow DBT gRPC protobuf TypeScript Finance Trading Front Office Investment … Fixed Income Equities Commodities Derivatives Hedge Fund) required by my asset management client in London. You MUST have the following: Advanced ability as a Senior Python Software Engineer/Technical Lead/Solutions Architect/Principal Engineer Good design and architecture ability Java Three or more … Airflow Agile The following is DESIRABLE, not essential: Trading, Front Office finance Spark Buy-side asset management (hedge fund, asset manager, investment management) Role: Senior Python Software Engineer (Senior Architecture Programmer Developer Python Java Software Engineer Data Enterprise Engineering Developer Programmer AWS Python Athena more »
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Revoco
Senior Full Stack Software Engineer | 🌍 Climate Tech 🌍 | London, UK Hybrid Would you like to use your technical software engineering skills to save the planet? Look no further! This climate tech start-up are seeking a talented Senior Full Stack Software Engineer to shape … their cutting-edge, data-driven products. As a Senior Full Stack Software Engineer within the engineering team, you will play a pivotal role and directly impact the product and technical direction of the business as they scale to meet high demand…yes, they’re profitable already! What … you'll be doing as a Full Stack Software Engineer: Diving into and utilising the latest tech across software (frontend and backend) and data - trying new things around every corner! Own the end-to-end design, development, and implementation of the latest product features on their cloud more »
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Senior Software Engineer (Python / C++)

London Area, United Kingdom
Oho Group Ltd
Senior Software Engineer (Python/C++) - Data Driven FinTech A leading FinTech requires a Senior Software Engineer to join their dynamic team. As a Senior Software Engineer you will be responsible for analysing complex data sets to drive strategic decision-making … with financial data Strong analytical and problem-solving skills. Excellent communication skills with the ability to present complex data insights to non-technical audiences. Senior Software Engineer (Python/C++) - Data Driven FinTech more »
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Senior Software Engineer (React, Node.js, AWS)

London Area, United Kingdom
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 »
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Senior Software Engineer C# .Net 8 AWS

London
Hybrid / WFH Options
Client Server
Senior Software Engineer/Developer (C# .Net 6 AWS) London to £85k Are you a technologist who enjoys contributing to technical discussions and using the best tool for the job? You could be progressing your career at a global, financial Market Data provider whilst enjoying a range … of perks and benefits. As a Senior Software Engineer you will collaborate with DevOps and Product Management within an Agile team environment working on a Greenfield Market Data platform. The platform has been built with C# deploying to AWS and requires high scalability and low latency - they … as Java and are open to learn new things You're collaborative with great communication skills What's in it for you: As a Senior Software Engineer/Developer (C# .Net 8 AWS) you will earn a competitive package including: Salary to £85k 25 days holiday Pension more »
Employment Type: Permanent
Salary: £78,000 - £85,000
Posted:

Senior Software Engineer-C# .NET Core/AWS/React- London-70k

London, United Kingdom
Oscar Associates (UK) Limited
Senior Software Engineer-C# .NET Core/AWS/React- London-70k The Role A unique and exciting opportunity has arisen for a Senior Software Engineer to join an ever-growing environmental software house focused on achieving both technological and business objectives through … to be extensively involved in the adoption of modern front-end technologies (e.g. React, Angular and Fluent) partnered with guiding the configuration of sophisticated software components. You will be responsible for the design and implementation of queries, being able to extract insightful information from customer data along with working … the environmental sector. It is run by a team that is passionate about staying ahead of technological trends, to be able to enhance the software development processes and want like-minded individuals to share this journey with them towards overall environmental sustainability. They have been operating for over more »
Employment Type: Permanent
Salary: £60,000
Posted:

Senior Software Engineer

Greater London, England, United Kingdom
Burns Sheehan
Senior Full Stack Software Engineer | B-Corp Start-Up | Net-Zero Carbon Up to £110,000 plus stock London – Hybrid (2 days a week in the office) Typescript, Rust & React Senior Full Stack Software Engineer – We are working with an amazing Carbon Neutral, B … Corp certified start-up to find them a Senior Full Stack Software Engineer to join their purposely small, experienced engineering team. They have received over $10m in funding in the last two years and, as reach breakeven in the original market, they have some exciting tech challenges … in scaling their sustainable platform as they look to expand their reach. As a Senior Full Stack Software Engineer in a start-up your role will be multi-faceted: Designing and building new features to improve the lives of everyone who uses the platform, whether it’s more »
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Senior Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Colsby
Job Title: Senior Software Engineer/Product Engineer Tech: Any backend language considered, we want an engineer who considers themselves polyglot. Location: Hybrid/London (Mainly Remote) Salary: Up to £100,000 Benefits: Company Equity, Hybrid working, 28 Days holidays, Option to learn and develop … with new software Colsby’s Overview: This is an opportunity for a senior level software engineer to join an ambitious start up looking to revolutionise the building of brand reputation. This position is unique in the sense that you will be given the opportunity to be … pragmatic - make the right choices in technology used & be heavily involved in the growth of the business. The Company The Senior Software Engineer will join a start-up looking to change the way companies connect with their audience. The Role The Senior Software developer will more »
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Senior Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Tata Consultancy Services
Role: Senior Software Engineer (Full Stack) Job Type: Permanent Location: Hybrid (Central London) Ready to utilise your skills in building high quality software solutions capable of operating at enterprise scale? Are you passionate about leveraging your expertise in both front-end and back-end development to … create seamless, user-centric experiences across the entire software stack? Are you looking for an exciting opportunity where you can make a significant impact by delivering cutting-edge solutions that shape the future of technology? Join us as a Senior Software Engineer (Full Stack)! Careers at … an impact that matters, through challenging projects which demand ambitious innovation and thought leadership. Why it will mean more for you: Opportunities : As a senior developer, you'll have the chance to take on leadership roles within projects, guiding junior developers and making critical decisions that shape the direction more »
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Senior Principle Embedded Software Engineer-Hybrid-West London

West London, London, United Kingdom
Hybrid / WFH Options
Oscar Associates (UK) Limited
Senior Principal Embedded Software Engineer (C#, C++) -West London- up to £80k + company benefits including hybrid working, bonus opportunities, private healthcare, 26 days holiday + bank holidays, lots of opportunity for career progression and lots more !!! A well-established marine company is looking for skilled senior principal embedded software engineer to join their successful and fast-growing team. This opportunity will see you build an established career whilst using the latest technology and developing upon your personal and professional development. The Role As a Senior Principal Embedded Software Engineer, you … will be developing software across the full suite of the company's products and services whilst taking part in all stages of the software development lifecycle. You will be working in a close-knit, highly collaborative, and continuously improving team amongst various industries. You will also be given more »
Employment Type: Permanent, Work From Home
Salary: £70,000
Posted:

Senior Software Engineer

Greater London, England, United Kingdom
nudge
Senior Software Engineer We're looking for a Senior Software Engineer to help us improve the financial literacy, and wellbeing, of the world’s population – all 8bn of us! By combining data and behavioral psychology, our technology empowers users with personalised financial knowledge and … directly linked to their satisfaction, growth, and wellbeing. To further strengthen our commitment to our employees, we are seeking a highly experienced and strategic Senior Software Engineer to join our team. This will be a varied and dynamic role and will involve the following key responsibilities: Backend … Quality Engineers to design and deliver new functionality or features using the most appropriate tools and techniques. Working in weekly sprints Participation in full software development lifecycle Playing an active role in the technology team to help with the direction of the product for end users Skills and experience more »
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Senior Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Understanding Recruitment
your desire to make a positive impact on the world? Are you a Full Stack Developer with experience in Java/Kotlin and React? Senior Software Engineer – Solving Real-World Problems Salary – up to £90,000 + shares Remote working – approx. 1 day per fortnight in office … Having worked with this fantastic HealthTech scale-up for some time, they are now on the hunt for Senior Software Engineers who have fullstack experience (Java or Kotlin on the backend, and React on the frontend) to join their forward-thinking, friendly team. They are on a mission … and healthcare industry, so you will have the opportunity to solve real-world issues for the better using modern and innovative tech! As a Senior Software Engineer, you must have experience in the following: Java , or ideally, Kotlin React Have worked for a product-focused company Experienced more »
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Senior Software Engineer

East London, London, United Kingdom
Hybrid / WFH Options
Understanding Recruitment
your desire to make a positive impact on the world? Are you a Full Stack Developer with experience in Java/Kotlin and React? Senior Software Engineer - Solving Real-World Problems Salary - up to £90,000 + shares Remote working - approx. 1 day per fortnight in office … Having worked with this fantastic HealthTech scale-up for some time, they are now on the hunt for Senior Software Engineers who have fullstack experience (Java or Kotlin on the backend, and React on the frontend) to join their forward-thinking, friendly team. They are on a mission … and healthcare industry, so you will have the opportunity to solve real-world issues for the better using modern and innovative tech! As a Senior Software Engineer, you must have experience in the following: Java , or ideally, Kotlin React Have worked for a product-focused company Experienced more »
Employment Type: Permanent, Work From Home
Salary: £90,000
Posted:

Senior Software Engineer - Python

London Area, United Kingdom
Singular Recruitment
Senior Software Engineer - Python (one day a week in the central London office) This role is a unique opportunity to combine technical challenges with creativity in a collaborative, high-standard work environment. By joining this team, you’ll not only be part of a creative and open … sports analytics. If you’re a detail-oriented innovator and team player, we’re excited to hear from you. Responsibilities for the role of Senior Software Engineer will include: Design, develop, and maintain scalable web applications and services using Python, along with frameworks like Django, Tornado or … Flask. Integrate applications with cloud-based services, utilising Docker for deployment and orchestration. Employ Agile methodologies to ensure the adoption of best practices in software development, including CI/CD pipelines using tools such as GitHub Actions or Jenkins As the selected Senior Software Engineer, your more »
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Senior Software Engineer
London
10th Percentile
£65,000
25th Percentile
£75,000
Median
£92,500
75th Percentile
£110,000
90th Percentile
£148,750