51 to 75 of 217 Permanent Senior Software Engineer Jobs in London

We're seeking a passionate and experienced software engineer to spearhead the creation of a brand new Data Engineering team. You'll play a pivotal role in building a robust system for processing and managing daily data that fuels our entire organization. This includes critical information like corporate … regressions and possess some knowledge of statistics or basic machine learning would be a plus. A willingness to learn and integrate with our existing software stack (primarily Go). Prior Go experience is not required. Benefits: Be at the forefront of building a critical system for the company's more »

Senior .NET Developer 📍1-2 days a week in Central London (3-4 days remote) Are you looking for an exciting new role where you can leverage your expertise in .NET, Azure services, and Elasticsearch? If so, this excellent opportunity is for you! In this position, you will design … develop, and maintain the client’s software solutions with a focus on scalability, efficiency, and security. If you have a strong background in these areas and are eager to work on dynamic projects, I’d love to hear from you! About the Role Our client is a digital-first … C# code Implement necessary infrastructural changes for successful application deployment Develop endpoints, ensure secure authentication and authorization, and create reusable components Skills Required A Senior .NET Developer with a strong portfolio of .NET projects Proficiency in C# and its ecosystems Familiarity with various design and architectural patterns Ability to 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 »

processes. They offer a collaborative environment and seek people who share a passion for utilising the best technologies and practices. They’re seeking a Senior C# Developer to join their London HQ to work closely with their team of software developers and researchers on Greenfield projects. The successful … building in-house solutions and use grid-computing to deal with large volumes of data. Key Requirements: At least 6 years’ experience as a software developer A computer science degree Experience with the latest version of .Net Experience with database technologies A passionate programmer who has strong architectural experience more »

will : Work closely with stakeholders and team members to define requirements, iterate quickly, and deliver functionality with high quality. Design and build market data software for new venues, implement new features and improvements to the overall Market Data platform. Automate away mundane tasks. Demonstrate strong ownership of projects throughout more »

Job DescriptionSenior Java Software EngineerHybrid 2 days per week onsite BelfastSalary up to £75,000 + benefits*Must be eligible for SC Clearance*Must have previous experience working in consultancyWe are currently partnered with a top innovator within the Consulting space, who are looking to expand their Java team. … We currently looking for a number of Senior Java developers to join them on a number of exciting projects across defence, ecommerce, financial services, energy and health and life sciences.You will have expertise spanning various aspects of software development, including Java OOPS concepts, Java 8 features, multi-threading … web applications, REST services and testing frameworks.Minimum of 7 years of hands-on experience in Java software developmentExtensive experience with Java 8, Restful services, Junit, Wiremock, Mockito, Spring, Docker, KubernetesProven ability to design, implement, and deliver complex software solutions.Strong problem-solving and analytical skills.Excellent communication and collaboration skillsInterview more »

to develop our tools with a continuous feedback loopOwn features from concept all the way through to production Your skills and experienceA passion for software engineering for the WebExperience with Ruby on Rails or similar modern MVC web frameworkCan strike a balance between getting things done and taking on more »

our tools with a continuous feedback loop Own features from concept all the way through to production Your skills and experience A passion for software engineering for the Web Experience with Ruby on Rails or similar modern MVC web framework Can strike a balance between getting things done and 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 »

VP - Lead Technologist - Financial Markets - Full time - Office based 5 days a week My client is a Global Investment bank with a large London presence and we are looking for an experienced/lead technologist to join them and lead more »

Job DescriptionSenior 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, AWSDo 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 ambitious … 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 in more »

Senior .NET Software Engineer - Global Series B FinTech - London Permanent role 1 day a week in the London office £80,000 - £90,000 per annum base + bonus + package I am working with a global capital markets FinTech who are rapidly growing their engineering teams. We … are looking for a Senior .NET Software Engineer who will support my clients data virtualisation product which will involve building, maintaining and scaling the product as an independent product and also as part of their industry-leading product portfolio. The product is a data virtualisation service that … enables you to instantly respond to cross-business challenges as they appear without requiring an IT solution. My client is looking to hire a Senior .NET Software Engineer with experience building scalable and performant software and who is excited by the idea of writing, supporting and more »

Job DescriptionSenior 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 significantly in the last … from 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 »

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 - 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 (Python) – up to £95k + Stock – AI/Sustainability Exciting AI powered GreenTech accelerating our journey to a greener and sustainable planet through the use of AI, Automation and Robotics. As Senior Software Engineer you will be solving the the toughest more »

Senior Software Engineer - DataGrids/Java/C++/C#/JavaScript/TypeScript/React/Angular Location: London Permanent Salaries: £150,000 - £200,000 Contract Rates: £700 - £900/day (outside IR35) Join a dynamic developer tools company at the forefront of transforming global businesses … with JavaScript Application Frameworks (e.g., React, Angular, Vue) is essential. You should possess a deep understanding of both micro and macro aspects of successful software design and be comfortable navigating various languages, frameworks, and platforms. Strong familiarity with common design patterns and algorithms is a prerequisite. In their collaborative … empowered. At its core, it's Engineers crafting tech for Engineers - an environment ripe for innovation and growth. If you are a top-performing software engineer passionate about writing clean, maintainable code and a supporter of open-source engineering practices, you are the ideal candidate for this role. more »

Senior Software Engineer - £75-90k C++ Location: Hybrid/London (could be based in Berlin or Paris - you must have a valid work permit to work in each location) Sector: AI Products & Solutions Please note - sponsorship is not available for this role. This is a leading … AI product and solutions company who operate globally and work at the forefront of technology, across software, cloud and AI. They partner with well known companies and vendors meaning you get to work on large scale exciting projects across your domain & sector. There is plenty of opportunity to jump … into exciting projects, continue to up-skill yourself and work along-side top collaborators within engineering & AI. Your Role: As a Senior Back-End Engineer with expertise in modern engineering across C++ you'll drive engineering & architecture excellence in a collaborative environment. This role will be a technical more »

our customers can use their scarce resource more effectively, to get to better decisions with higher confidence, more quickly.Job purposeJanes is currently seeking a Senior Software Engineer with experience working with data, search technologies pipelines and diverse data stores such as Graph and NoSQL to work as … a full stack agile unit with a backend focus, based in our offices in Croydon. You will be joining our team as an experienced software engineer and will be working with AWS cloud, OpenSearch and graph technologies.How you will contribute to JanesArchitect and develop solutions to ingest, transform … team, to agree and develop system/product designs based on user requirements.Participate as a member of cross-functional squads that includes data engineers, software engineers, quality engineers, SMEs, and business stakeholders from within Janes, as well as partner and customer organisations.Have a passion for serving data and data more »

re not stopping there; their moonshot is to unlock $150 billion annually for society by making government spending 50% more effective. They seeking a Senior Software Engineer who thrives on innovation. If you're passionate about coding, collaboration, and leading technical discussions, this is your chance to … the future of governance. From developing cutting-edge APIs to integrating AI tools, your expertise will drive global change. Requirements Proven success as a software engineer, with a portfolio that spans several years and projects. Expertise in Typescript, React and NodeJS within a professional environment. Outstanding communication and … interpersonal abilities, crucial for leading technical discussions and idea sharing. A commitment to software engineering excellence, focusing on scalable, maintainable, and high-performing solutions. A culture of learning and mentoring, plus a readiness to explore and apply new AI technologies. Leadership experience with project and technical decision-making skills. more »

Senior Software Engineer - Hedgefund 2 - 3 days per week onsite, Oxford Street, London £85,000 - 125,000 depending on experience Core Java, Multithreading, Low Latency Hiring at all levels, strong package and flexible salaries. Global Hedgefund with a vibrant office on Oxford Street and flexible hybrid … days split between office and home are looking for Senior Java Developers. You will join their team, becoming a key member of the engineering function as they start to build out their product portfolio. Core Java, Multithreading, Low Latency If you haven't worked with these technologies before it more »

Senior Software Engineer, Core Prime Brokerage Digital Assets Prime Brokerage (Fintech) Office in London, UK (Remote flexible) A global fintech are currently seeking a talented and experienced SWE to join their team and play a crucial role in building the firm’s real-time event processing system … architectural decisions, upholding the highest bar for quality Maintain adherence to SLAs/SLOs Knowledge, Skills & Abilities At least 8 years of experience in software development/engineering Bachelor's degree in Computer Science, Engineering, Finance, or related field. Strong proficiency in programming languages such as Java, C++, or more »

Are you a passionate Senior Software Engineer with experience working in Finance? If so, we invite you to join a collaborative team developing a cutting-edge quantitative research and strategy platform. As a Senior Developer, you will play a crucial role in shaping the future of … design discussions within the team. Foster collaboration with peers across various departments, including both technology and business units. Qualifications: 5+ years’ experience as a software developer. Demonstrated proficiency as a developer with a track record of delivering outstanding web applications. Experience with . Netcore , C# , TypeScript, Angular 2+, SQL more »

Senior Software developer - up to £70,000 + Bonus - Trade and Development Industry - Hybrid in London office 1x a month A new exciting opportunity has arisen for a senior developer to join one of the most recognizable organizations in the international trade and development industry. Joining a … ASP.Net Core Work alongside a small team of contractors and a scrum master Opportunity to take the lead and embrace more responsibility within a senior role Opportunity to see the real impact of your decisions on the overall process and legacy transformation that they are undertaking Working across all more »

partnered with one of the UK's most pioneering and exciting businesses within the Health tech/care sector. They are looking for a Senior Software Engineer to join their team. This business has changed the world we live in and chances are, it has impacted millions … and become part of an incredible company, look no further. What they need from you: This role Is suited for someone with 5+ years Senior Experience .Net/C# expertise Azure or AWS Experience Good knowledge of other coding languages such as Python that would be bonus. Previous Health more »