31 to 55 of 173 Senior Software Engineer Jobs in London

Senior Software Engineer (C++/Rust) Title : Senior Software Engineer Company : Advanced Communication (Software) Location : London Salary : Up to £100,000 Skills : C++, Rust, Git, Networking Overview : A highly profitable and globally respected advanced communication (SaaS) firm are looking for a highly experienced more »

Senior Software Engineer C#, .Net, AWS, TypeScript, JavaScript, Python, Docker City of London, United Kingdom Perm Role: £130,000 - £150,000 Harrington Starr have partnered with a Global Financial Services platform, and they are looking for a Senior C#, .Net Software Engineer to design … in the UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a Lead Software Engineer, with expert C#, .NET experience, having a direct impact from the get-go! If you have any questions or would like to more »

Senior Software Engineer A Global Systematic Trading Firm is looking for a Senior Software Engineer to help build out a next-generation trading systems. You will be involved in mission-critical projects in trade execution, application development and market data feed processing, shaping and … the design and implementation of next-generation trading systems, focusing on trade execution, application development, and market data feed processing. Develop robust, high-performance software solutions in C++ within a Linux environment to support trading operations, ensuring reliability, scalability, and low-latency execution. Take ownership of mission-critical projects … on developing high-performance, low-latency systems for financial trading or related domains. Solid understanding of Linux operating system internals and experience with developing software for Linux platforms. Experience with multi-threaded programming and distributed application architecture. Familiarity with algorithmic trading concepts, electronic trading protocols, market data feeds, and more »

Senior Software Engineer London/Remote £85,000-£90,000 + Benefits Retail I have a great opportunity for a Senior Software Engineer to join a leading B2C organisation who are in the process of modernising their technology estate, with significant investment in IT. … In this role, you will be working within the fast-growing engineering function, providing oversight and guidance for the design and implementation of software projects. The successful individual will demonstrate experience driving the development of fast, clean and reliable code, and researching customer requirements and emerging software technologies more »

Senior Software Engineer – C# .Net About the Company: An exciting opportunity awaits a Senior Software Engineer to join a dynamic Fintech, recognized globally as a market leader in the financial technology space. Renowned for their transformative impact on the industry, they continuously innovate and 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 »

Senior Software Engineer - Senior Software Developer - Kotlin - Vue.js - Hybrid - £70-£90k (10% Bonus) My client was created in 2015 and since then, they've grown rapidly and become a leader within the energy sector, with 350,000 customers and over 450 Employees. They're are … you'll do: Designing and implementing capabilities across the entire stack, both frontend (JavaScript, VueJS, HTML, CSS, Typescript) and backend (Kotlin) technologies. Championing quality software and practices across the company, and leading small iterative improvements every day. Proactively seeking opportunities to improve the system as a whole; simplifying, refactoring … Frontend, Backend, Product, Data, QA) and foster a knowledge-sharing environment while mentoring junior team members. Delivering Business Value by driving shared and modern software engineering principles throughout the SDLC, including secure coding practices, TDD, BDD, risk-based testing levels and cadences, and cloud deployments in Google Cloud. Contribute more »

Senior Software Engineer (React, Typescript, and Node) London (Hybrid) £75k - £95k + package This is possibly as exciting an opportunity as there is right now if you're a Senior Software Engineer looking for your next challenge! If you're interested in making the more »

Senior Software Engineer The company Join a rapidly growing Fintech scale-up as they embark on their next phase of their growth journey. They are quickly becoming known as market leader and are taking the market by storm with their financial technology solutions being used across the … fast track your career and they are paying top end salaries and bonuses to attract the best talent available. This role would suit a Senior software engineer who is interested in breaking into the financial technology sector and taking their career to the next level. What you … Play a key role in shaping the architectural design of application systems Provide mentorship and guidance to junior team members, actively promoting and instilling software engineering best practices. Elevate your career in an environment where your contributions matter. What you will need Excellent C#/.Net experience or willing more »

Senior Software Engineer | London | Hybrid | £120,000 We are partnered with a market-leading and award-winning FinTech, processing over £10 billion worth of transactions each year who’s innovative, cutting-edge technology and smart data-led insights ensure that their customers run their business more successfully. … both Relational and NoSQL database technologies. Knowledge of Testing Methodologies (Unit, Integration, Regression). All applicants need to be UK based. No Sponsorship offered. Senior Software Engineer | London | Hybrid | £120,000 + benefits + more For more information please send your CV to me on Luca.Serafini-Fracassini more »

Attention Python Developers 🐍 I have an exciting new opportunity with a fast-paced growing startup looking for a senior software engineer to join the ranks! Our client is pioneering an inclusive marketplace for connectivity resources, emphasizing robust security measures, to expedite progress by facilitating connectivity. Their cutting … edge software solution, Cell-Stack, consolidates all essential elements for constructing networks and accessing connectivity as needed. We are confident that an accessible marketplace for connectivity resources can democratize dependable network access and inspire inventive applications, broadening network access to emerging industries and individuals in need of reliable connectivity. … are convinced that these core principles are pivotal for nurturing innovation and ultimately, generating positive societal impact. Role Overview I am seeking an experienced Senior Software Developer to lead the development of complex software solutions. As a Senior Software Developer, you will play a critical more »

Senior Software Engineer – Development team Want to join a team that truly values hard work and demonstrates genuine care fit its entire staff?🫂 Fancy working from home two days a week?🏡 Love modern tech environment and greenfield projects? Have it all and more... Work on cutting edge … across intricate cloud infrastructures, in an environment where standards are put first and the sole focus is to be the best. Criteria for a Senior Software Engineer: Strong modern PHP skills, ✅ Confident in Typescript/Javascript ✅ Cloud services like AWS (Aurora, MSK Kafka or ECS) ✅ Can you more »

Senior Software Engineer Want to join an international and growing development team that has the highest standards of technical and product design expertise, coupled with a focus on developing staff, recognising and celebrating success and a great working environment? We are a truly multidisciplinary team, with engineers … from electronics, software, mechanical, system engineering and system test backgrounds all working in integrated teams to develop best in class products and solutions. To support our ambitious roadmap and growth plans we are actively increasing the size our teams, creating the opportunity for a skilled Senior Principal Software Engineer to join us! Key responsibilities of this role include: Working on full life-cycle software development. Supporting diagnosis and correction of software issues experienced in the field. Participate in AGILE-based development. Participate in code reviews and regular team meetings. Liaise with System Test regarding more »

Senior C#, .NET Software Engineer Key Technologies: C#, .NET, Azure, Kubernetes, Docker, SQL, Angular, JavaScript City of London, United Kingdom Perm Role: £85,000 - £95,000 Hybrid working structure Harrington Starr has partnered with a market leading, global funds network and they are looking for a senior C#, .Net Software Engineer. The company boasts over 3,500 clients in over 50 countries, processing £250 billion in investment monthly. Key responsibilities: Supporting and enhancing new and existing products. Performing peer reviews of code and introducing new and innovative solutions. Working cross departmentally with a diverse range … work in the UK. This role offers hybrid working, with an office based in the City of London. This role will best suit a Senior Software Engineer with expert C#, .NET experience and commercial experience utilising Docker and Kubernetes. If you are ready to take the next more »

Senior Software Engineer (C++/Rust) Title : Senior Software Engineer Company : Advanced Communication (Software) Location : London Salary : Up to £100,000 Skills : C++, Rust, Git, Networking Overview : A highly profitable and globally respected advanced communication (SaaS) firm are looking for a highly experienced more »

Senior Java Software Engineer - Vehicle Telematics/Diagnostics - London (Monthly On-site) - £80K Join us in revolutionizing the automotive industry with state-of-the-art technology! We are excited to collaborate with our outstanding client for the second consecutive year as they spearhead the creation of a … groundbreaking platform aimed at predicting vehicle reliability issues. Utilizing proprietary hardware and software, coupled with direct connectivity to vehicle manufacturers, we are boldly addressing the challenge of processing real-time data from modern vehicles. We are currently searching for a Senior Java Software Engineer to join … more will be essential in refining existing platforms and seamlessly integrating third-party inputs. Requirements: Minimum 5 years of hands-on experience as a Software Engineer Proficiency in Java programming Experience in a high-paced environment Extensive familiarity with Kafka Knowledge of public cloud platforms (GCP, AWS, Azure more »

Senior Software Engineer - Governance Up to £90,000 + benefits (below) City of London (Hybrid Remote/Office based) Fruition IT are partnering with a FTSE100 global Biopharma business, with a goal to unite science, technology and talent. They aim to positively impact the health of c2.5 … Billion people by 2030. We're looking for a Senior Software Engineer to join the R&D function of this organisation, a start-up within the wider business . This function is merger and upgrade of major data platforms which will give them the ability to leverage … on "data mechanics" Provide best-in-class AI/ML and data analysis environments to accelerate predictive capabilities and attract top-tier talent Aggressively engineer data at scale to unlock the value of our combined data assets and predictions in real-time Your role will be to: Design and 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 »

Lead Back-End Software Engineer (Permanent Contract) Job Title: Lead Back-End Developer (with some DevOps is a bonus) Your strongest Languages will be: Javascript, Go, SQL The Key Technologies where you will have specific strengths are: Node, Postgres, and Docker. Location: Flexible/Hybrid – South East UK … the product grows! The Company The company, established over 8 years ago, is one of the UK’s leading providers of online courses for software programming, with graduates going on to work for clients such as Twitter, Google, Amazon and Apple. What started as an in-person programming bootcamp … the platform to deliver an interactive learning experience that goes beyond the usual online videos, badges and streaks. The role of Lead Back-End Software Engineer Due to business growth and the strategic plans to build out the online learning platform, the company is now hiring for a more »

Senior Software Engineer, Core Engineering (Python) Macro Hedge Fund - London, UK Our client is a global macro hedge fund, currently searching for an experienced technologist to help define the architecture for their trading and technology platforms. The Senior Software Engineer will partner with portfolio … on architecture standards, and applying cloud best practices. You’ll be responsible for driving the disruption of their systems and overseeing the delivery of software and infrastructure enhancements. Required Skills : 10+ years, hands-on experience architecting and implementing software Bachelor’s degree in engineering, computer science, information systems … or equivalent experience Software engineering experience with Python and one other object-oriented programming language (e.g. C#, Java, C++) Experience working with containers and Kubernetes Experience building RESTful APIs Experience designing solutions architecture Experience working with distributed high throughput systems Experience working with configuration/infrastructure as code (e.g. more »

We are a looking for C# Senior Software Engineers on behalf of a leading global provider of navigation technology. Senior Software Engineers will be contributing to their ambitious specialist products. This company offer a comprehensive benefits package, including: a competitive salary with annual reviews, compressed working … with alternate Fridays off, hybrid working, generous annual leave with purchase scheme, pension, private medical, electric car scheme and training and development opportunities. As Senior Software Engineer you will be instrumental in the full lifecycle software development process. You will be developing and maintaining software more »

Senior Software Engineer (AWS & Python) - London £70,000 - £85,000 per day + Bonus + Benefits Fully Remote Working. JNC are working with a growing Fintech organisation that is looking for a Senior Software Engineer to join their talented department during this successful period … of expansion. This is a senior position that reports into the head of engineering. They are looking for a Senior Developer who is passionate about Technology, Clean Code, Automation and Simplicity. Someone who will help design and deliver new modular services supporting all areas of their business. They … pride themselves on their approach and software development based on practices like peer reviews, static code analysis, Lean Controls, Automated Tests and Releases using IaC and SaaS. This is a fantastic opportunity to help accelerate the teams AWS and CI/CD journey as well as assist with their more »

Senior Software Engineer/Technical Lead - Virtual Machines & Virtual Network Services - Cloud Permanent Central London/Hybrid Excellent Salary plus full benefits package including attractive Bonus & Equity Summary: An exciting opportunity to join an ambitious Cloud Technology organisation expanding the UK Engineering Centre as they embark on … codebase, drive the direction of future product development and collaborate closely together with other leaders in the field. The ideal candidate will be a Senior Software Engineer/Technical lead experienced in working with and/or on virtual server technologies, virtual networking technologies, network programming. Technical … and refine tools that power team efficiency - this includes CI/CD, local development setups, build toolchains, and essential infrastructure. Plot the roadmap for software component development, aligning with team priorities and vision. Lead the charge in defining and achieving their technical benchmarks. more »

Level Up Your Java Legacy! Senior Software Engineer (Payments) - London (Hybrid, £90,000+) Calling all Java Jedi Masters! Are you a seasoned Java developer seeking a challenge and the freedom to make a real impact? Join a dynamic payments company in London and shape the future of … the flexibility of remote work (2 days/week) - the best of both worlds! Do You Have the Java Chops? Proven experience as a Senior Software Engineer (5+ years) with a mastery of Java development principles. Extensive experience designing, developing, and maintaining complex software applications. In … Experience in the payments industry Experience with Agile methodologies and CI/CD pipelines Ready to Revolutionize Payments? If you're a talented Java engineer who thrives in a hybrid environment and craves the autonomy to make a real impact, then we want you on our team! We offer more »

Role: Senior Software Engineer (Laravel/React) Location: London (With UK based remote working) Salary: £70-80k If you're a Senior Software Engineer, proficient with PHP, React and TypeScript, looking to work building new apps in house and working on their integration more »