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Senior+ Software Engineer

About the role: As a Senior Software Engineer at Syntasso, you’ll play a key role in designing, building, and evolving Kratix and Syntasso Kratix Enterprise. You’ll collaborate closely with a small, expert engineering team. Your work will span product contribution, customer collaboration, ...

Senior Software Engineer

We’re not just building better tech. We’re rewriting how data moves and what the world can do with it. With Confluent, data doesn’t sit still. Our platform puts information in motion, streaming in near real-time so companies can react faster, build smarter, and deliver experiences as dynamic as the world a ...

Senior Software Engineer

Overview The Merchantware and Semi‑Integrated platform is developed and maintained by our Belfast team. The platform handles millions of daily card transactions for customers ranging from small merchants to 70,000‑seat stadiums. Throughput and resilience are critical as the platform is ru ...

Senior Software Engineer

Senior Software Engineer This is an opportunity to build the foundational systems of a frontier AI company. You’ll work across our voice layer, agent orchestration, and deep healthcare integrations. You’ll design and ship systems that must be fast , reliable , observable ...

Senior Software Engineer

About Us At UnlikelyAI, we are building the future of AI: one that is reliable, accurate, and transparent. Our neurosymbolic technology harnesses the power of LLMs and generative AI, and combines it with Universal Language – our proprietary symbolic technology that bridges the gap between probabi ...

Senior Software Engineer

VoCoVo specialises in innovative communication solutions tailored for businesses, particularly within the retail sector. Our flagship products are designed to create a connected store experience, facilitating seamless communication among retail staff to enhance efficiency and elevate customer service. We e ...

Senior Software Engineer

The Role Sotheby's is the world's premier destination for art and luxury. The engineering that powers it today reflects that same ambition, built on modern technologies and modern practices. Auctions are the most visible part of what we do, but every sale that runs through Sotheby's is ba ...

Senior Software Engineer

Curious about what’s next? So are we. Join Compare the Market and help to make financial decision making a breeze for millions. Senior Software Engineer Function: Technology. Location: London, Peterborough. At Compare the Market, we’re a purpose-driven business powered by tech and ...

Senior Software Engineer

A well-established global fintech business operating large-scale trading platforms across multiple asset classes including equities, leveraged products, futures, options, and digital assets. Their technology supports a significant international client base and processes high volumes of real-time trading activ ...

Senior Software Engineer

Senior Software Developer, AI Engineering (London) – COR7550 Are you a Software Engineer with a passion for AI and building scalable systems from the ground up? This is a rare opportunity to join as an early member, shaping both the technology and the engineering of an ambitious product! <h3 ...

Senior Software Engineer

Senior Software Engineer Location: Ashton, Bristol + Hybrid Working Arrangements Onsite or Hybrid: Hybrid Role Type: Full time / Permanent Role ID: SF73285 Build the software behind mission‑critical defence technology. As a Senior Software Engineer, you’ll ...

Senior Software Engineer

We are representing a London-based technology venture building AI platforms to transform how enterprise leaders navigate uncertainty. This is a core engineering role within a senior, lean team. You will be building a platform that goes far beyond standard SaaS dashboards, focusing instead on high-di ...

Senior Software Engineer

Job Overview Job Title : Senior Software Engineer Location : Ashton, Bristol + Hybrid Working Arrangements Compensation : Competitive Salary + Benefits Role Type : Full time / Permanent Role ID : SF73285 Build the software ...

Senior Software Engineer

About Titanbay Titanbay is building the infrastructure that powers private market investing for banks, wealth managers and fund managers. Our platform solves complex, multi-layered challenges behind the scenes so our clients can invest with greater clarity and confidence. There are deep tec ...

Senior Software Engineer

Senior Software Engineer – AI-Driven Development | IAM | .NET / React INSIDE IR35 We’re partnering with a forward-thinking professional services organisation delivering into a major client undergoing rapid growth and transformation. At the heart of this engagement is a critical Iden ...

Senior Software Engineer

hackajob is collaborating with National Physical Laboratory (NPL) to connect them with exceptional professionals for this role. About the Role At UKTL, your work directly strengthens the UK’s technological, cyber, and national resilience. You’ll collaborate with expert eng ...

Senior Software Engineer

Overview Take ownership of software used to test complex defence systems. This is a strong move if you want deeper technical scope and clear progression in a structured engineering environment. What you will need British nationality required Background in test softwar ...

Lead Software Engineer

Lead Full Stack Application Developer / Lead Full Stack Software Developer An exciting opportunity has arisen with our client, a cutting edge and innovative technology company, for a Lead Full Stack Application Developer / Lead Full Stack Software Developer – responsible for a team of 5 tal ...

Lead Software Engineer

Overview Join Kainos and Shape the Future. At Kainos, we’re problem solvers, innovators, and collaborators - driven by a shared mission to create real impact. Whether we’re transforming digital services for millions, delivering cutting-edge Workday solutions, or pushing the boundaries of technolog ...

Lead Software Engineer

Reports To: Vice President, Engineering, CoinDesk The Team The CoinDesk Data Engineering Team builds the infrastructure that powers global crypto market data. Our mission is to architect resilient systems that process tens of billions of monthly requests, managing the full lifecycle of da ...

Graduate Software Engineer

Your Role We are seeking forward-thinking, innovative, and inquisitive graduates to join our High Integrity Software Engineering Team. Our software team is involved in some of the UK's most exciting software engineering projects, demanding the very highest level of engineering excellence. <p ...

Software Engineer Manager

Job Title: Software Engineering Manager Location: North London Salary: up to £100,000 (depending on experience) This is a superb opportunity for an experienced engineering leader who wants to make a real impact, shape the culture, processes, and future of a growing software team. </ ...

Senior Software Engineer

RLDatix (RLD) is on a mission to help raise the standard of care everywhere. Trusted by over 10,000 healthcare organizations around the world, our solutions help improve health and care. Our applications ensure that patients receive the best and safest care while supporting the providers who deliver it. Jo ...

Senior Software Engineer

Senior Software Engineer Hybrid – within commuting distance of our Redcar Campus £56,667 + benefits (+ London weighting, if applicable) The National Institute of Teaching (NIoT) has an unswerving commitment to high-quality, evidence-informed teacher education, and is on a mission to ...

Senior Software Engineer

ZigZag is the #1 app for dog training & life skills, helping pups and their pawrents build a lifelong bond. Too many dogs miss out on the right training, leading to behavioural issues or even abandonment. Our mission is to prevent that by making puppy training accessible and enjoyable for everyone. <p ...

Senior Software Engineer

Senior Software Engineer – High Wycombe, Buckinghamshire Fantastic benefits, including hybrid working, private healthcare, enhanced pension C# / .NET, C++, Scientific instrumentation A growing technology business is looking for a Senior Software Engineer < ...

Senior Software Engineer

Hybrid - within commuting distance of our Redcar Campus £56,667 + benefits (+ London weighting, if applicable) The National Institute of Teaching (NIoT) has an unswerving commitment to high-quality, evidence-informed teacher education, and is on a mission to improve teacher ...

Senior Software Engineer

About the Role Software Engineer role at Made Tech. The mission is to improve public services with technology. We work with UK government, NHS, local government, and other public sector clients to deliver and manage world‑class digital products and cloud services. What the job entails </ ...

Senior Software Engineer

Location London, Melbourne, Sydney Employment Type Full time Location Type Hybrid Department Engineering Who are Heidi? Heidi is building an AI Care Partner that supports clinicians every step of the way, from documentation to del ...

Senior Software Engineer

Works With: Engineering Leadership, Product Managers, Designers, Software Engineers Hours: 37.5 pw (9.30-6pm Monday to Friday, 1 hour lunch) Term: Permanent Location: Hybrid - London office based in Oval (2 days / week) About us Artlogic is a leading techno ...

Senior Software Engineer

I’m currently working with a well-established global engineering company who are looking for a Senior Software Engineer to join their growing team in Enfield. The business has been operating for decades and develops advanced technology solutions across industries such as maritime, defence and surve ...

Senior Software Engineer

Senior Software Engineer (C++/Rust) - Up to £150,000 Title Senior Software Engineer (C++/Rust) Company Boutique Consultancy Location Newcastle Pay Up to £150,000 Company Overview A deeply technical consultancy is gett ...

Senior Software Engineer

Senior Software Engineer | Manchester - Hybrid At INRIX, our mission is to help the world avoid global gridlock by empowering cities, drivers, and businesses around the world to keep vehicles moving smarter, safer, and more efficiently. We are a company filled with people who are passionate ...

Senior Software Engineer

G MASS are currently looking for an experienced Software Engineer to join a leading Investment Manager client on an initial 6-month engagement. This role sits within a core engineering team at the centre of a highly quantitative investment environment, supporting the technology and data platforms th ...

Senior Software Engineer

What you'll do Architect, develop, test, and debug scalable backend services for distributed systems. Lead and deliver on key non-functional requirements, including scalability, availability, performance, and security. Design, author, and maintain comprehensive unit, inte ...

Senior Software Engineer

Join DWP as a Senior Software Engineer in the PTP‑MOSS team, maintaining and improving vital legacy systems that enable services for millions across the UK. Our DWP Digital teams use fresh ideas and leading-edge tech to build and maintain digital solutions that will be used by nearly every person in ...

Senior Software Engineer

Slingshot AI Slingshot AI is the team behind Ash, the first AI designed for mental health. Our mission is to make support more accessible and help people change their lives in the ways they want. Senior Software Engineer We are hiring an entrepreneurial and output driven Senior ...

Principle Software Engineer

Role Principle Software Engineer Job Type : Permanent Location : London, UK, Hybrid We have an exciting opportunity for you – Principle Software Engineer. Key Responsibilities Lead technical excellence across design, de ...

Lead Software Engineer

Pay up to £92,522, plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. Are you ready to lead at scale - shaping how complex digital services are built, mentoring engineers and influencing senior leaders across one of the UK's largest technology o ...

Lead Software Engineer

We’re working with a fast-growing, product-led technology company building modern customer experience software. They are looking for a Lead Software Engineer to help design and build scalable backend systems, while also contributing to architecture and engineering direction within a small, high-per ...

Lead Software Engineer

Lead Software Engineer Up to £90,000 per annum plus bonus. Milton Keynes (Twice a week on site). VIQU has partnered with a growing SaaS organisation that is hiring a Lead Software Engineer to play a key role in shaping the technical direction of the product while leading a team of ...

Software Engineer (GenAI)

This is an fantastic opportunity for a Software Developer (GenAI) to join at an exciting time for AJ Bell as we expand the usage of AI within the business. Our GenAI development team are at the heart of this growth and ee have a strong team working environment, training and excellent career progression for ...

Lead Software Engineer

Hi, I’m Shun, founder and CEO of Anima. I left my career as a doctor because I was tired of seeing patients die from delays and misdiagnosis. Our mission is to deliver precision medicine to anyone, anywhere, in under 24 hours. Our platform already serves millions of patients and 10xs the capacity o ...

Lead Software Engineer

Lead the design, development, and delivery of enterprise software solutions for Public Sector customers. This role combines deep technical expertise, integration experience, and customer-facing delivery in compliance-driven environments. Qualifications Experience: 8–12 years in so ...

AI Software Engineer

Location UK-based hybrid role, occasional travel to site. Day to day Design, build and deploy AI and machine learning solutions that deliver measurable customer and business value. Develop, train and optimise machine learning and generative AI models for use in ...

Lead Software Engineer

Our client is a specialist technology and data consultancy serving the manufacturing, construction, and engineering sectors. They help industrial businesses eliminate operational waste caused by disconnected systems, manual processes, and underutilised data. The business is at an inflection point: a ...

Lead Software Engineer

About the Role As a hands on Engineering Lead for NeoID—You will lead and manage a small team of engineers, fostering their growth and ensuring delivery excellence. You’ll have the opportunity to work with industry standard protocols such as OAuth2, OIDC and SAML, as well as healthcare's SMART ...

Senior Software Engineer

Senior Software Engineer Department: Technology Employment Type: Permanent - Full Time Location: London Reporting To: David Stevenson Description We are looking for a Senior Software Engineer to join our engineering team an ...

Senior Software Engineer

Company Description Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be ...

Senior Software Engineer

uarJob Title: Senior Front End Software Engineer Contract Type: Permanent Location: Alderley Park Working style: Hybrid 50% home/office based Closing date: 27th April 2026 We have a unique opportunity to offer roles within the ...

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    Fullstack Software Engineer Reactpython Jobs in United Kingdom Job Search Guide, Trends and Insights