1 to 11 of 11 Permanent 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 C#, .NET Core, NUnit, Postgres, AWS, Azure, Kubernetes, Docker. City of London, United Kingdom Perm Role: £100,000 - £120,000 Harrington Starr has partnered with a Global Financial Technology company, and they are looking to hire a Senior C#, .Net Software Engineer … UK. This role offers hybrid working, with an office location based in the City of London. You will be joining the team in a senior role, with the opportunity to train and mentor junior Software Developers. This role will suit a Senior/Lead Software Engineer 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 »

Senior Embedded Software Engineer Helping more people experience the joy of Music, this product company create musical instruments and platforms that are used by both amateurs and professionals allowing customers to explore their interests and talents in a truly unique way. As an Embedded Software Engineer … working in an R&D function with a view to creating new features and hardware. Youll have -7+ years experience as an Embedded Engineer -ARM-based microcontroller exposure (Cortex M series ideally) -Firmware development, architecture, release experience -Ability to work with Electronic Engineers, QA and Software teams … design -Digital Signal Processing, Bluetooth LE implementation -Exposure to different interfaces (SPI/UART/USB/MIDI etc) Collaborating with a team of Software Engineers, Technicians, and industry experts (and pioneers), the successful applicant will focus purely on Embedded solutions for an already successful and reputable provider within 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 £110k - 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 »

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 »

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 »