1 to 17 of 17 Senior Software Engineer Jobs in Central London

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 »

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 »

Senior Software Engineer Key Technologies: C#, .NET, React, JavaScript, Typescript, AWS, Docker, NodeJS City of London, United Kingdom Perm Role: £85,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer … 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 »

Senior Software Engineer/Developer (IoT, C/C++, SQL, API Development, SQL) Due to continued growth, we are looking a creative & talented Senior Software Engineer/Developer to be be part of our close knit development team. You will be getting heavily involved … projects path and delivery. The Role: Due to the technical level of the role, will offer in depth knowledge and skills in developing IoT software applications using the following technology stack: Golang or C/CC++, SQL, API's. You will need experience in a selection of the following more »

Role: Senior Software Engineer Salary/Package: £100k-£115k + 10% Bonus + RSUs (Total comp £150k+) Company Sector: SaaS Tech: TypeScript, Node, React, Golang, Kafka, AWS, and Kubernetes (No prior experience welcomed) Location: Central London WFH/Hybrid: 3 days a week on site (non negotiable … exciting times! Our client is a rapidly growing B2B SaaS company with a product used by millions of people globally. We are seeking a Senior Software Engineer to join their innovative team. The ideal candidate will have a strong engineering background, outstanding problem-solving skills, and a … Responsibilities: System Architecture: Design and build scalable architecture patterns to support a rapidly growing global product. End-to-End Development: Contribute to the full software development lifecycle, from concept to deployment. Product Focus: Develop with a product-focused mindset, understanding user needs, and delivering solutions that drive business value. more »

Senior Software Engineer - £110k - Hybrid Working Opportunity for a tech-savvy innovator with a passion for data-driven solutions to join a global data-centric company as a Senior Software Engineer, helping to shape the future of clients' data strategies and engineering practices. They more »

Job Description Senior Software Engineer with Python and Java Our Client is looking to recruit brilliant Software Engineer with upwards of 5 to 10 years solid proven track record of developing complex applications with Python coupled with Machine Learning and ideally Go. We're looking … to recruit initially 2 excellent Software Engineers to work with an existing team of 4 software developers on a very large strategic consulting engagement within the Life Sciences industry. So if you any experience with the Life Sciences domain - then the Client would be very interested to see … will have a PhD in Computer Science although an MSc with excellent skills may work. Please note we really are looking for the best software developers - the cream of the crop - or crème de la crème. Do send your CV to us in Word format along with your daily more »

Senior Software Engineer - London, Hybrid - £75k + Bonus Senior Java Developer - FinTech London, St Pauls (2 days per week onsite) Up to £75,000 p.a. + 10-15% bonus Company Overview : Join a leading FinTech here in the heart of Central London, where they're using … modern innovative technology to drive positive social change. If you're an experienced Java Engineer with a passion for making a difference, this could be a good opportunity for you. They're seeking a skilled Java Engineer to help create meaningful solutions using modern Java related technologies such more »

Senior Full Stack Software Engineer - Up to £90k - Hybrid - London Office We are working with an organisation in the financial services industry who are looking to grow out their development team. The role will be instrumental in delivering high quality code from end to end. The role more »

Senior Python Engineer - Build the Future of FinTech (Remote - £70,000 - £100,000) Do you dream of crafting cutting-edge APIs that empower FinTech firms and Neobanks? Join Harrington Starr as we partner with a global trailblazer in FinTech. Here, you'll design and build robust API platforms more »

TL;DR 🧢 Role | Senior Backend Engineer 💫 Company | InsurTech, Scale-up, Data 📏 Size | c.100 🎯 Areas | JVM, web apps, APIs, integration ✨ Tech | Kotlin, Java, Scala, Python, GCP 📍 Based | London (Zone 1) 💻 Hybrid | 2 days a week in-office 💰 Offer | Up to £110k + bonus & excellent benefits Hi 👋 Workonomics are partnering … received over half a billion $ in funding. 2024 is the year they 10x their client base. That's where you come in... 💥 As a Senior Backend Engineer you will: build large-scale apps with a focus on the backend (new APIs, new integrations etc), at a time when … the company is growing their service offering and demands for reliability, scalability and resilience will be significant. support junior engineers and collaborate with senior colleagues to raise the technical bar of the group. be almost as excited about diving in to fix an irksome bug as you are starting more »

We are looking for a motivated Senior Engineer to work closely with the commodities trading desks, providing solutions that make a tangible and critical difference. Be given the opportunity to work with a leading investment bank who value and honour their promises and earn the trust of their … well-engineered, reusable, and scalable platforms that underpin the growth and agility of the business. Supporting a fast-paced trading environment, working directly with senior technology and finance professionals across the global business. Gaining financial markets expertise, focusing on the agriculture business with close links to the energy and … of commercial experience developing using either C++ or Python. Strong knowledge of object-oriented analysis and common design patterns. Hands-on experience of standard software development tools (source control, CI/CD, testing practices). The Front Office environment and financial products. Experience working in a Linux development environment. more »

Job Description Senior Front End D3 Javascript Software Engineer - Holborn Our Client wants to recruit a Senior Front End Software Developer with at least 7 to 10 years expertise of working with D3 React and Javascript. You will be involved with creating sophisticated, robust and more »

Job Description Senior Software Developers/Engineers with Python, Terraform and Go Our Client is looking to recruit brilliant Software Developers/Engineers with upwards of 7 to 10 years solid proven track record of developing complex applications with Python coupled with Machine Learning and ideally Go. … We're looking to recruit initially 2 excellent Software Engineers to work with an existing team of 4 software developers on a very large strategic consulting engagement. Must be 100% trustworthy with real integrity - this is a highly sensitive project. Key skills Python Machine Learning ideally Terraform Go … programming language If you are excellent with developing software with C++ and/or C# etc... then you can easily learn Go. Excellence is vital. Ideally have security clearance. Duration for this assignment will be 3 to 6 months initially with possibility of the role becoming permanent at some more »

through the adoption of a Composable MACH (Microservices, API-first, Cloud-native, Headless) architecture. We have a new opportunity for an enthusiastic and experienced Senior Backend Engineer. Youll be passionate about leveraging the principles of Composable MACH architecture to design, develop, and maintain robust backend systems that blow peoples … using modern programming languages and frameworks such as C#, Node.js, Python, or Go. Write clean, maintainable, and well-documented code following coding standards and software development best practices. Perform code reviews, ensuring quality and maintainability and provide constructive feedback, and mentor junior engineers to foster a culture of continuous … understanding for best development practices and ensure all team members follow these guidelines. Can tackle the whole cycle of designing, building, testing, and deploying software and contribute to increasing automation. Have a good understanding of the AWS/Azure toolbox, leveraging services and cloud design patterns in a micro more »

Job Description C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# .NET. The Client more »

This is a unique opportunity at a highly ambitious options market maker that provides high-frequency algorithmic trading. As the Front Office C++ Developer, you will be passionate about technology, comfortable looking under the hood to see how C++ standard more »