17 senior software engineer jobs found in London

One of the UK’s fastest-growing fintechs is hiring. At ANNA Money, we’re rethinking what business admin should feel like for freelancers, founders and small businesses. No jargon, no clunky tools — just smart, intuitive products that actually save people time. From invoicing and expenses to tax and accounting, we’re building a platform that removes the hassle from running a business. Powered by AI and backed by genuinely brilliant customer support, ANNA helps thousands of customers focus less on admin and more on what they do best. Our Vision:  ANNA Money endeavours to alleviate the burden of time-consuming administrative tasks that every small business owner inevitably encounters. Our core objective is to automate these repetitive tasks, enhancing our customers’ efficiency, speed, and overall ease. This dedication to automation supports our customers’ business operations and allows them the freedom to dedicate time to other critical aspects of their business. Our Team:...

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. We’re a fully licensed UK bank with the culture and spirit of a fast-moving, disruptive tech company. We’re a bank, but better: fairer, easier to use and designed to demystify money for everyone. We employ more than 3,000 people across our London, Southampton, Cardiff and Manchester offices. Our technologists are at the very heart of Starling and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech. We operate a flat structure to empower you to make decisions regardless of what your primary responsibilities may be, innovation and collaboration will be at the core of everything you do. Help is never far away in our open culture, you will...

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. We’re a fully licensed UK bank with the culture and spirit of a fast-moving, disruptive tech company. We’re a bank, but better: fairer, easier to use and designed to demystify money for everyone. We employ more than 3,000 people across our London, Southampton, Cardiff and Manchester offices. Our technologists are at the very heart of Starling and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech. We operate a flat structure to empower you to make decisions regardless of what your primary responsibilities may be, innovation and collaboration will be at the core of everything you do. Help is never far away in our open culture, you will...

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. We’re a fully licensed UK bank with the culture and spirit of a fast-moving, disruptive tech company. We’re a bank, but better: fairer, easier to use and designed to demystify money for everyone. We employ more than 3,000 people across our London, Southampton, Cardiff and Manchester offices. Our technologists are at the very heart of Starling and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech. We operate a flat structure to empower you to make decisions regardless of what your primary responsibilities may be, innovation and collaboration will be at the core of everything you do. Help is never far away in our open culture, you will...

Senior Embedded Software Engineer - SC Cleared - Up to 100k - Hampshire (Hybrid working available) I am currently recruiting for a business growing through large expansion in the UK to support a number of customers across the Aerospace & Defence industries. The company are investing in a number of senior engineers to join the business and provide the technical leadership to support various programmes within their customers. Your role will be to join the business and provide technical expertise and leadership, delivering directly with the customers and mentoring junior members of the team. Role: Senior Embedded Engineering (Tech lead) Job type: Permanent Salary: 80- 100k (+ bonus, private healthcare, pension) Location: Hampshire - Hybrid policy Skills needed: Strong embedded software development (C/C++) RTOS Experience within Space, Aerospace or Defence Current SC or DV clearance If you are interested in hearing more about this exciting...

Senior Sprinkler Design Engineer - Hybrid Salary/Package - 70,000 - 75,000 basic + Car/Car Allowance + Bonus + 25 days holiday ( + Bank Holidays ) Location - Southampton Permanent Role/Hybrid ( 2/3 days Office ) Our client is a leading sprinkler contractor who are looking for a lead sprinkler designer to be based on the south coast. The designer who comes in to this position will be joining an established sprinkler contractor delivering commercial, industrial, educational, residential and mixed-use projects across the UK. The role sits within a technically strong team where your judgement, code knowledge and practical site awareness will be valued. This role will be initially a hybrid role, but can move in to a full remote position after 3 months. Key responsibilities include: Full sprinkler system design in accordance with LPC Rules, BS EN 12845, FM Global and relevant UK standards Hydraulic calculations and system demand assessments Producing coordinated layouts,...

Senior Overhead Line Design Engineer / Senior OHL Design Engineer UK Remote / Hybrid Transmission & Distribution Projects Salary: £dependent on experience + allowances + benefits Location: Hybrid / flexible working available in the UK Type: Full-time Senior Overhead Line Design Engineer (kV) ARCA Resourcing is partnering with a fast-growing specialist engineering consultancy operating across the UK high-voltage energy sector. This is a senior-level opportunity to take technical ownership of overhead line (OHL) design projects across 132kV-400kV transmission and distribution networks, while playing a key role in mentoring and developing junior engineers. If you re experienced in National Grid or DNO environments and want more influence over technical standards, project delivery and team development, this is worth a conversation. The Opportunity You ll lead the delivery of detailed OHL design packages across transmission and distribution...

Senior Mechanical Design Engineer (Building Services / Mechanical Contracting) Hybrid (Office & Work from Home) Birmingham Salary: £55,000 £65,000 per annum + Car Allowance + Bonus Scheme + Hybrid Client My client is a well-established and highly respected mechanical contractor with a long-standing reputation for delivering excellence in the building services industry. Known for their collaborative approach and technical expertise, they specialise in large-scale commercial projects across the UK. The Role I am seeking a Senior Mechanical Design Engineer to join the team and play a key role in the design and delivery of complex mechanical building services systems. You will be involved in projects from initial concept through to completion, working closely with internal teams, clients, consultants, and contractors to ensure the highest standards of engineering design and coordination. Key Responsibilities Mechanical Design Engineer Lead the...

Senior Human Factors Engineer - Contract Opportunity We are seeking an experienced Senior Human Factors Engineer to join a high-profile defence engineering programme based onsite in Christchurch. Contract Details Duration: 6 Month Contract Location: Christchurch (Hybrid) Rate: 570 - 630 per day IR35 Status: Inside IR35 The Role As a Senior Human Factors Engineer, you will play a key role in delivering Human Factors Integration support across complex engineering and safety-critical programmes. Key responsibilities include: Providing Human Factors Integration support across product and process design Tailoring and estimating Human Factors activities Capturing and managing requirements, risks, and opportunities Delivering design guidance, testing, evaluation, and acceptance support Planning and conducting quantitative and qualitative Human Factors assessments including: Human error analysis Workload assessment Situation awareness Ergonomic analysis...

An established engineering and manufacturing business is currently seeking an experienced Senior Electrical Designer to join its engineering team. This is a senior-level role with a strong balance between hands-on electrical design , technical leadership , and continuous improvement . The successful candidate will play a key role in the design, development, and delivery of electrical systems for complex, industry-leading products, while also contributing to team development, process improvement, and cross-functional collaboration. Key Responsibilities Design, develop, and implement electrical systems and control architectures in line with EN(phone number removed), EN13849, UL, and CSA standards , including CE marking . Produce high-quality electrical schematics, drawings, and layouts using industry-standard CAD tools (Solid Edge and/or AutoCAD preferred). Work closely with mechanical, software, and firmware engineers to ensure fully integrated system...

An established engineering and manufacturing business is currently seeking an experienced Senior Electrical Designer to join its engineering team. This is a senior-level role with a strong balance between hands-on electrical design , technical leadership , and continuous improvement . The successful candidate will play a key role in the design, development, and delivery of electrical systems for complex, industry-leading products, while also contributing to team development, process improvement, and cross-functional collaboration. Key Responsibilities Design, develop, and implement electrical systems and control architectures in line with EN(phone number removed), EN13849, UL, and CSA standards , including CE marking . Produce high-quality electrical schematics, drawings, and layouts using industry-standard CAD tools (Solid Edge and/or AutoCAD preferred). Work closely with mechanical, software, and firmware engineers to ensure fully integrated system...

Our client, a growing software solutions company within the Aviation and Military sector, are looking to expand their engineering team and seeking a C++ Software Engineer. This is an opportunity to be part of a trusted team that values innovation, ownership, and collaboration and expand your knowledge, within a stimulating environment. The role will initially be based at the company s site in South West London and then move to a hybrid pattern with 2/3 days office based. You will be joining a team of engineers who are experts in their field and passionate about what they do. Working with the company s well established messaging products, which are deployed in critical environments, ensuring compatibility across multiple protocols and legacy systems. This would be ideal for someone who really enjoys getting to grips with how systems work and wants to contribute to solving complex engineering problems. The following tasks are not exhaustive but will give you a good indication of what...

Senior C++ Developer (Hybrid, UK-Based) Location: London Salary : £80,000 - £100,000 + EMI Share Options + Private Medical Insurance Vacancy Type: Full-time, Permanent We take care of time, so our customers don t have to. At Hoptroff, we build nanosecond-accurate, software-driven timing systems used by global investment banks, telecoms operators, and broadcasters - including the MiFID II-compliant trade timestamping that financial regulators depend on. When microseconds aren t tight enough and milliseconds are an eternity, our software is what s keeping the world in sync. We re entering an exciting phase of growth and looking for a Senior C++ Developer to join our small, high-calibre engineering team. You ll write modern C++ (C+ or later) at the heart of our Linux-based clock and time synchronisation platform - tight, performance-sensitive code where jitter is measured in nanoseconds and correctness is non-negotiable. You ll own significant components of the...

At Engine by Starling, we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.  Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling Bank, and a year ago we split out as a separate business.  Starling Bank has seen exceptional growth and success, and a large part of that is down to the fact that we have built our own modern technology from the ground up. This SaaS technology platform is now available to banks and financial institutions all around the world, enabling them to benefit from the innovative digital features, and efficient back-office processes that has helped achieve Starling's success. We draw upon our experience as FinTech experts, and best-in-class technologists, to become the chosen option for these banks, and preferred partners for leading consultancies. As a company, everyone is expected to roll up their sleeves...

At Engine by Starling, we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses on our technology. Engine is Starling’s software-as-a-service (SaaS) business - the technology that was built to power Starling Bank is now available to financial institutions globally. Our designers are at the very heart of Engine. We operate a flat structure to empower you to make decisions, ensuring innovation and collaboration are at the core of everything you do. To thrive at Engine, you must be a self-driven individual who takes full ownership—from shaping brand strategy to delivering the high-fidelity assets that empower our sales teams and delight our clients. Hybrid Working We have a Hybrid approach to working here at Engine - our preference is that you're located within a commutable distance of one of our offices so that we're able to interact and collaborate in person. About the role We are looking for a...

At  Engine by Starling , we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.  Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling, and two years ago we split out as a separate business.  Starling has seen exceptional growth and success, and a large part of that is down to the fact that we have built our own modern technology from the ground up. This SaaS technology platform is now available to banks and financial institutions all around the world, enabling them to benefit from the innovative digital features, and efficient back-office processes that has helped achieve Starling's success. We draw upon our experience as knowledgeable bankers, and best in class technologists to become the chosen option for these banks, and preferred partners for leading consultancies. Hybrid Working We have a Hybrid approach to working...

At Engine by Starling , we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.  Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling Bank, and a year ago we split out as a separate business.  Starling has seen exceptional growth and success, and a large part of that is down to the fact that we have built our own modern technology from the ground up. The Engine technology platform is now available to banks and financial institutions all around the world, enabling them to benefit from the innovative digital features, and efficient back-office processes that has helped achieve Starling's success. Our technologists are at the very heart of Engine and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech. We operate a...