1 to 25 of 166 Senior Software Engineer Jobs in London

Role: Software Engineer/Senior Software Engineer Salary : Circa 70k + Bonus (Up to 20%) Benefits: 10% pension, Private Medical + much more Our client, a global Insurance client in London, are building out their innovation team (Greenfield projects) and looking for a Mid-Senior Full Stack Software Engineer Why would you be interested? Greenfield projects in an exciting innovation team Get to use a range of different tech Able to be self sufficient but also with support from other teams Opportunity to explore AI and ML Small collaborative team Good progression … of any JavaScript language (Typescript, React, Angular and/or htmx) Experience of any Python frameworks – Flask, FastAPI or similar Good understanding of agile software engineering practices, methods and tools (BDD/TDD etc) Appetite for continual experimentation & learning Any Cloud experience (AWS or Azure or GCP) Nice to more »

Title: Senior Engineer - Client Lead Portfolios Location: London Job Type: Contract About our client The company has been helping their clients build better financial futures for over 50 years. How have we achieved this? By working together - and supporting each other - all over the world. So, join our … providing the best client experience possible bringing our wealth of knowledge, experience, and innovative thinking to our solutions. Purpose of your role As a Senior Engineer you will play a key role on a global programme working with Product Owners and Technology teams within the company to deliver … with architectural requirements of the cloud platform, test automation frameworks, infrastructure-as-code and continuous delivery/deployment pipelines. Provide mentoring and guidance to software engineers. Work closely with product owners and scrum masters to define user stories and leverage the best practice of agile development to achieve key more »

heart of London. As they continue to transform their clients businesses through the power of data, they're on the lookout for a dynamic Senior Software Engineer to join their passionate team. Primary Responsibilities: 🛠️ Design, Develop, and Maintain : Utilise your expertise in Node.js, PostgreSQL, Kafka, and Redis … digital transformation and the availability of data, this role offers a unique opportunity to make a tangible difference in the world. As a Lead Software Engineer, you'll play a pivotal role in shaping a game-changing product that is poised to revolutionise the way we approach environmental more »

My client are a leading provider of cutting-edge software and AI solutions. Their mission is to revolutionize industries through advanced technology, utilizing a combination of Java, Kotlin, React, JavaScript, MongoDB, Machine Learning, and Azure cloud services. They are dedicated to pushing the boundaries of what's possible and … delivering impactful solutions to their clients. Position Overview: They are seeking a highly skilled Senior Software Developer to join their talented team. As a Senior Software Developer, you will play a crucial role in designing, developing, and implementing software solutions that leverage the latest technologies … with cross-functional teams to gather and analyse requirements, and translate them into technical specifications and solutions. Design and develop robust, scalable, and efficient software applications using Java, Kotlin, React, JavaScript, MongoDB, and other relevant technologies. Implement machine learning algorithms and integrate AI capabilities into software solutions to more »

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 Enginner - Up to £80,000 - Be part of an exciting technical movement - Hybrid (ideally London once a month) numi have partnered leading UK-based creative platform looking for a new Senior Engineer to lead the customer journey from basket to post-purchase. You'll more »

Senior Software Engineer La Fosse is partnering with a financial services company to help build out and scale their engineering team. This role would include working on a new internal platform within a front office team. This is a full stack role but more backend heavy in more »

Exciting B2B SaaS - Senior Full Stack Engineer - £80,0000 - £110,000 + Equity This business is set to be the next big player in the London SaaS sphere. They are set to close a huge Series A round in the next few weeks and are growing rapidly at … the end of the year so it's a great time to join if you're looking to become a Staff or Lead level Engineer soon. They are looking for future leaders who want to impact the tech and technical direction. Role: Senior Full Stack Engineer As … a Product Engineer, you'll shape the SaaS platform's direction. Dive into customer needs, make informed decisions, and build cutting-edge tech. From coding to infrastructure, you'll be involved in it all Tech Stack: TypeScript, React, Serverless, MUI, PostgreSQL, Docker, AWS Desirable: Strong Academic Performance - Doesn't more »

We are seeking an experienced Senior Java Developer with a solid track record in FIX API integration and a strong grasp of modern software containerization and orchestration technologies to join our dynamic team. The ideal candidate will play a pivotal role in the development and integration of our more »

Senior C# Software Engineer/Developer WFH/London to £120k Would you like to take ownership, make the technical decisions and remain hands-on with code? You could be joining a small, specialist Hedge Fund with £1 billion under management. As a Senior C# Software Engineer you'll collaborate with business users to build the solutions they need, working end-to-end across the full development lifecycle. Typically, you'll be analysing the current monolith systems, making strategic technology recommendations for improvements and helping to deliver a long term strategic project to re … engineer the data analytics platform using modern technologies such as .Net Core, microservices and distributed systems engineering. Location/WFH Policy: You'll join a small group of accomplished entrepreneurs with flexibility to work from home most of the time, meeting up with the team in North London on more »

Senior & Staff level Full Stack Engineers required on a Permanent basis for a B2B SaaS startup company in London. To date, they've raised 5 million at seed round via some of the top VCs, and are looking towards Series A in the near future, founding team consists of … problems that procurement teams face within large businesses (slow, complicated etc) by providing a solution that automates the whole process for purchasing goods. Role: Senior/Staff level Full Stack Engineer Salary: 90 - 110k (+ equity) Location: Central London (x3 days per week onsite - Tue/Wed/ more »

to provide peace of mind to the millions with items in their vehicles that are vulnerable to theft. We are seeking a highly motivated Software Engineer to join our dynamic Embedded Software team . As part of our team, you will play a crucial role in designing … developing, and maintaining innovative software that powers IoT security devices and solutions. Our goal is to deliver cutting-edge technology that brings peace of mind to millions. If you are passionate about embedded systems, enjoy solving complex technical challenges, and thrive in a collaborative environment, we encourage you to … apply and be a part of our mission-driven team. Responsibilities: Develop and test software that runs in real-time on-device using Kotlin and other exciting technologies Translate customer requirements and use cases into functional software with performance, quality, and reliability at the forefront Be bold and more »

Job Title: Software Engineer Company: ClearToken Location: London UK About Us: ClearToken is revolutionizing the digital asset industry as the first clearing house for digital assets. Established in 2021, ClearToken has garnered significant interest from industry giants. With a successful proof-of-concept completed last year, showcasing the … participants to face the CCP rather than each other. Our goal is to streamline transactions, increase capital efficiency and reduce risk. Role: As a Software Engineer at ClearToken, you will be instrumental in building out our clearing engine and contributing to architectural decisions from day one. You will … containers and Kubernetes. Knowledge of AWS services and infrastructure. Understanding of protocols such as WebSockets, REST, and FIX. Strong grasp of security fundamentals in software engineering. Working at ClearToken: We foster a highly collaborative work environment where every team member is encouraged to share ideas and drive positive change. more »

Senior/Lead Engineer - Node.js You will play a pivotal role in joining at an early stage and benefit from helping shape the foundations. Working with a modern technical environment you will be using your experience you will be working closely with the Head of Engineering and COO … to build and grow this platform. There will be lots of room for Greenfield Software Development. You will need a deep understanding of: node.js, Kafka, AWS, PostgreSQL About You With proven experience as a Senior/Lead Engineer, you will bring your experience with Node.js and scalable … with cloud environments and have good experience with Kafka and PostgreSQL. Working closely with the Head of Engineering you should be comfortable taking on senior responsibilities and working with autonomy. Here are a few points that would be great to see (not all are essential): Web Application with Node.js 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 »

house developed platform, upon which their internal users base their Investment decisions. This modern stack platform is developed in an Agile manner, using rapid software engineering practices to continuously deliver value to their business. It is still considered a greenfield build. Key Responsibilities: Work with engineering leads and product more »

Senior Front Office, E-Trading Engineer (Java) – Most Profitable Systematic Trading Firm in London (Compensation: Up to £160,000 Base, £250,000 Total Compensation) I’m hiring for one of the most profitable, systematic trading firms per capita in London. Currently have an opening within the market-making … up to cover products such as spot FX, CFDs, and Equity Indices and Commodities. They’re looking for an experienced (10-years +) Java engineer who has the relevant experience to join the very best low latency, optimisation, and performance tuning engineers in London, with the end goal to more »

Title: Senior Software Engineer Package: Up to £0,000 + benefits Location: Hybrid (London, UK) Is this your next move? Building machine learning products used by blue chip companies worldwide. Working in a scale-up environment surrounded by like-minded and passionate engineers. Shipping software products … experts and is proven to be adding value to their clients by saving them time and money. We are looking for mid-level or senior software engineers who are skilled in both TypeScript and NodeJS. This could be somebody who is looking to step up into a senior software engineering role or somebody that is already established and operating as a senior software engineer - what is important is the attitude and ambition to keep learning. You will have the opportunity to take the lead on complex projects throughout the entire software development more »

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 »

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. You’ll 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 (VP) - Java, JavaScript, SpringBoot, Relational Database (Sybase), Kafka, Kotlin, Fixed Income Hybrid I am seeking a Senior Full Stack Developer (VP level) to join our client, a leading investment bank based in London. This role is within their front office team, where you more »

Front-office Senior Software Engineer The company Award-winning company in Finance. If you are interested in working on desk alongside Traders/Quants and have strong domain knowledge in Pricing, Risk or Structures Derivatives this could be for you. The Details: · Hybrid working central London office. more »

We are looking for a Senior Visual SLAM Software Developer to join an exciting AI scale-up. Visual SLAM, C++, and Python skills are needed. This is a hybrid role with every Thursday in Kings Cross, London. On offer is £70-110k + £20-30k equity more »

Senior Java Developer | National Security Consultancy | London | High Level Security Clearance Required | Salary up to £80,000 + £5,000 bonus | Hybrid 2-3 days per week on-site Yolk Recruitment are working with an expanding National Security Consultancy based in London looking for a Java Developer to join … backend applications with responsibilities including: Create and maintain robust, scalable, and high-performance front-end applications using Java. Participate in all stages of the software development lifecycle, including requirements gathering, design, coding, testing, and deployment. Partner with cross-functional teams, including product management, frontend development, and QA, to deliver … superior software solutions. Skills Required: In depth experience designing & building backend applications in Java. Experience developing in a highly Agile/Scrum environment. Familiarity with CICD, containerisation, deployment technologies & cloud platforms (Jenkins, Kubernetes, Docker, AWS). Benefits: Salary up to £85,000 £5,000 clearance bonus Up to more »

Senior Software Engineer - £75-90k Tech: C# .NET Kubernetes PostgreSQL Location: London 2x week Salary: £70-90k A role is now available within a leading AI product company based globally, who are continuing to grow due to exciting investment and projects. This role would sit … to work with a variety of cutting edge technology within the C# .NET stack You would be working with a variety of engineers across software, machine learning and AI Experience Expert level technical experience across C#/.NET Strong experience with Kubernetes and PostgreSQL You would have experience across more »