76 to 100 of 167 Permanent Senior Software Engineer Jobs in London

Senior Software Engineer - Kotlin Kotlin Based Backend Technology Salary - £70-90k Plus Bonus & Benefits Location - London, Hybrid (twice a month in the office) Sector: Green Energy Tech : Kotlin, Vue.js, Google Cloud & AWS Please note - sponsorship is not available for this role. We are working with a … you would have the ability to work across the full tech stack as well as continuing to learn and develop. Role expectations: As a Senior you would be leading technical decisions on the software architecture and delivering best practice solutions across the full stack, mainly Kotlin & Vue.js. You more »

basic plus bonus and benefits. Harrington Starr has partnered up with a Hedge Fund who are looking to hire a Software Engineer to come and join a Front Office Development Team where you will be working on a Portfolio Management Application Suite. We are looking to hire a … Software Engineer with JavaScript and Python including React with WebAPI and Python Web dev where you will be working on a Greenfield project refactoring and reengineering UI’s for a Front office trading application. This is a high profile role for this Hedge Fund and you will be … days office based and working from home so you will also need to be within a communicable location from London. Key Skills: Experience as Software Engineer. In depth development of API’s and RestAPI’s Expert Development using JavaScript and React Experience with Python. Cloud based tech with AWS. more »

critical technology programme centered on Pay As You Go (PAYG) travel and expanding the current PAYG network, focusing on CPAY, and requires a contract Senior Software Developer will have expert knowledge of defining and building integrated solutions using Azure DevOps CI/CD Pipelines, C# .Net Framework, PowerShell … the Payments and Auto Pay Team, this is a great opportunity to have a major impact on a public facing programme, and as a Senior Software Developer you will be responsible for the design, development, implementation, and early life support of the Team deliverables. Essential Skills for the … Senior Software Developer include: • Expertise in developing, supporting, and maintaining data-centric, highly complex and calculation heavy end-user web applications used by internal and external subject matter experts • Expertise in developing, supporting, and maintaining primarily Microsoft .Net based applications and API's serving a wide range of more »

An award-winning learning platform is looking for Senior Software Engineer to join their growing team, there is a massive opportunity for growth in this role, they are also starting to use AI for tooling, workflow etc... 🙌 They have won awards including the most innovative companies for … being the size they are you would need to be willing to get your hands dirty in all aspects of the business. 😀 Requirements: Experienced software engineer, expert with NodeJS and React Experience leading projects and making key tech decisions Worked in Agile & Scrum methodologies Focus on best practices more »

Senior Software Engineer - YC backed startup Typescript, React, Next, Node, Express, PostgreSQL Fullstack engineer Offices in London, Paris and Dubai £80,000 – £100,000 Startup experience or early product development experience We are working with a growing tech for good Fintech, who are on a mission … and are led by 3rd-time founders of successful startups. They have grown the team to 10+ and are looking to hire a generalist engineer with previous experience in a startup building a product or payments platform. So many of my network have told me they are looking to more »

JOB DESCRIPTION Title: Senior Software Engineer (Animation) Line Manager: Senior Producer (Match) FTC or Permanent: Permanent Hybrid Working Status: Fully remote available. Position Overview We are looking for a Senior Animation Engineer, to join our London based studio to enhance our animation engine and … and simulation technologies as needed. Requirements: Keen interest and understanding in Football. Football Manager fan a bonus. Strong knowledge of C++, design patterns and software engineering. Minimum five years of professional experience using C++ as the main language. Experience designing and developing animation systems within the games industry. Strong … academic background with a 2:1 degree (or equivalent) or higher in a relevant technical field such as computer science, software engineering, mathematics, or physics. Strong mathematical, analytical, and problem-solving skills. Good communication skills for effective collaboration with software engineers, artists, animators, QA, and production staff. Self 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 Java Software Engineer | LONDON | Hybrid | £90,000 - £95,000 pa plus bonus and benefits Java/Spring Boot/AWS/Kafka/Event-based We have a great opportunity for a Senior Java Engineer to work for a superb client based out of … be a key member of the Java team and help the company drive their products to success. If you are a proactive and experienced Senior Java Engineer with a passion for leading teams and contributing to broader development goals, then this is for you! Experience: Strong experience with more »

Senior Software Engineer - Asset Manager London - Hybrid 3 days on-site As a leading Asset Manager this is an exciting opportunity to join a business-facing team. This is a hands-on development role. You will analyse requirements, design, code, test, review, release, debug and support the more »

Senior Principal Embedded Software Engineer Our client provide safe, efficient and reliable Navigation Solutions for the commercial and defence maritime industry. With over 100 years of history, they are established as a major global provider, operating in over 10 countries, with an extensive international presence in Europe … will provide you with a unique opportunity for you to fulfil your career aspirations. They 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. They foster development, and … your knowledge and career will develop no matter your experience when you first join the team. Key responsibilities of this role include: Create embedded software for new products Support product testing activities Work in the Software team and collaborate with Hardware team Participate in AGILE-based development. Participate 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 »

Senior Software Engineer - £120 - £150 K - 5 days onsite in London - Exciting Tech Startup* Christopher Ali have partnered up with one of the most exciting Tech StartUps in the UK who are on a mission to fix the global allocation of consumer goods. The role is paying more »

Would you like to work as a Senior Embedded Software Engineer fulfilling a pivotal role for a company operating in the dynamic realm of IoT tracking technology? A company that stands at the forefront of sector innovation, boasting a track record of groundbreaking innovations that are reshaping … firsts to expanding into new markets, they are committed to leveraging cutting-edge technology to overcome the toughest challenges in IoT devices. As a Senior Embedded Software Engineer, you'll play a crucial role in the company's mission to merge sports and IoT technology seamlessly. Your … primary responsibility will be to specialise in their embedded software, contributing your expertise to the design, development, and testing of software systems that power their innovative solutions. This includes working on bespoke wireless embedded systems and software, from bare metal to cloud. You will use your 8+ more »

Job Title: Senior Software Engineer (Backend Engineer) Location: London, UK Salary: Up to £90,000 About the Company: Our client is at the forefront of redefining strategic asset management through innovative technological solutions. They leverage cutting-edge AI and proprietary IP to drive innovation in the … cross-functional teams to ensure technology development aligns with strategic business goals. Your Impact: Contribute to the design and development of high-quality, scalable software solutions. Foster a culture of technical excellence by advocating for best practices in code health, testing, and maintainability. Engage in the full development lifecycle more »

Job: Senior Software Engineer Location: London, UK Job Type: Contract Inside IR35 Job Description Responsibilities • Co-lead the team alongside India based senior developer • Actively do software development while leading the team; and remain overall accountable for the delivery • Manage the tech mandatory initiatives and … planning • Mentor the junior members of the team; elevate the team profile Must have skills: • Ideally, 10 plus years’ experience; previously held a similar senior developer role • strong coding skills are a must – database Oracle 19c, SQL, .NET web component, API integration • hands-on development experience using GitLab, CI more »

Senior Software Engineer (.Net/Angular) A leading fin-tech company are looking for a Senior Full Stack Engineer to join their team. The role: Working on solutions for regulatory and payments Assisting the line manager, helping with management responsibilities Designing technical solutions to software applications Code and unit test new and existing software applications Requirements: Strong .Net expereince Expereince with Angular Experience in the banking sector Unit Testing experience Benefits: Life assurance Income protection Private medical insurance Increased pension contributions Many more! 💸Salary: Up to £78k 📍Location: London based, hybrid working 💻.Net more »

Role Summary – Senior Middle Office Backend Software Engineer On behalf of our client a brokerage firm in London we are seeking a Senior Java Software engineer to work in their middle office on their etrading platform. With growing electronic trading activity, and customers increasingly … interacting with them automated channels, the client is seeking senior real-time engineers to join the team to work on scaling the Middle Office platform to accommodate the platform’s growth targets. Areas of focus include system reliability, testability, recoverability, automation, throughput and latency. Their engineers are analytical thinkers … and have a strong understanding of computer science fundamentals and software engineering. You will be exposed to multiple financial markets and market structures, have the opportunity work on scaling a real-time system with a global footprint, applying modern software engineering principles. Requirements 5+ years experience with backend 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 London (Old Street) Hybrid – 2-3 days in office AI Connect are proud to be representing a scaling tech business who are making a real difference. If you want to help the UK become cleaner & greener, then this could be the role for you. … dramatically improve the way we turn watse back into usable materials. You will be developing the backend platform to improve stability & performance of the software across the board. Here are the key details of the role in a simple, easy to digest format. If this sounds like it would … some of the key points: You’re passionate about quality of code (using Python), and development of scalable environments You have solid experience in Software principles such as CI/CD, Containerisation (Docker/Kubernetes), Networking/VPNs Strong experience developing with Python, Cloud (Azure, but other cloud xp more »

Senior Software Engineer Hybrid/London £70-80,000 (Ruby, AWS) New role to take a lead in building a team, upskilling and refining ways of working. It's about small changes, upgrades and making something good, really great! Working on a robust platform built with Ruby … slow, we are keen to improve what we have and bring in new ideas, technologies and ways of working, The opportunity This role is senior/lead and will involve mentoring and supporting the more junior team members. The team is c 8 engineers, you will hire and lead more »

A Senior Software Engineer required to work an excellent leading, global solutions company who are helping provide a global integrated travel and expense management solution. You would be working on an application for their travel side of the business for the all in one payments system. As 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 - C#/React £90,000 - £130,000 basic + bonus Company Snapshot Join a finance sector powerhouse making waves globally. With a track record of award-winning tech solutions spanning various industries, this company leads innovation in finance for over 30 years. more »

Senior Software Engineer - FX Trading 2 - 3 days per week onsite, Oxford Street, London £75,000 - 100,000 depending on experience Java, Spring Boot, React, Docker, Kubernetes, Low Latency FX Hiring at all levels, strong package and flexible salaries. Leading financial trading house who have a vibrant … office on Oxford Street and have a flexible hybrid 2-3 days split between office and home are looking for a Senior Java Developer. You will join their team, becoming a key member of the engineering function as they start to build out their product portfolio. They are currently … on experience Java, Spring Boot, React, Docker, Kubernetes, Low Latency FX If this opportunity is of interest, they are interviewing now so please apply! Senior Java Developer - FX Trading more »

Software Engineer - Cloud/Opensource Central London/Hybrid Competitive Salary - £85,000 - £125,000 negotiable depending on experience plus full benefits package including attractive Bonus & Equity Overview An exciting opportunity to join an ambitious Cloud Technology organisation expanding their UK engineering team developing next-generation cloud services. … drive the direction of future product development and collaborate closely together with other leaders in the field. The ideal profiles would be for a senior and a mid-level engineer with a background in distributed systems (Senior - 10-20 years/Mid Level -5-10 years). … on exp. with IaC tools and automation, such as Terraform, Ansible, or Helm. Active engagement or contributions to the open-source community. Familiarity with software build processes and secure supply systems, like Bazel or OpenSSF. The role You will have an opportunity to team up with fellow engineers to more »