Senior Software Engineer 📍 Location: Onsite, London, United Kingdom ⌛ Type: Full-time 💰 Compensation: Negotiable (Competitive salary + equity) About Ontik Ontik is an ambitious, early-stage B2B financial operations platform designed to streamline and simplify complex financial workflows for heavy duty industries. We’re scaling rapidly and looking for top-tier engineers to join our team. You … work in a high-performance, ownership-driven environment, where you can make a direct impact on the product and help shape its future. Role overview As a Software Engineer (Full-Stack) at Ontik, you’ll play a pivotal role in building and scaling our financial operations platform. This is a hands-on, high-impact … financial workflows for our users. You’ll have the opportunity to own critical features and contribute to the overall architecture of our platform. We’re looking for an engineer who thrives in a fast-paced environment, embraces ownership, and is passionate about building software that makes a real difference. If you enjoy working with cutting-edge technologies, solving More ❯
Senior Software Engineer 📍 Location: Onsite, London, United Kingdom ⌛ Type: Full-time 💰 Compensation: Negotiable (Competitive salary + equity) About Ontik Ontik is an ambitious, early-stage B2B financial operations platform designed to streamline and simplify complex financial workflows for heavy duty industries. We’re scaling rapidly and looking for top-tier engineers to join our team. You … work in a high-performance, ownership-driven environment, where you can make a direct impact on the product and help shape its future. Role overview As a Software Engineer (Full-Stack) at Ontik, you’ll play a pivotal role in building and scaling our financial operations platform. This is a hands-on, high-impact … financial workflows for our users. You’ll have the opportunity to own critical features and contribute to the overall architecture of our platform. We’re looking for an engineer who thrives in a fast-paced environment, embraces ownership, and is passionate about building software that makes a real difference. If you enjoy working with cutting-edge technologies, solving More ❯
Manchester Area, United Kingdom Hybrid/Remote Options
numi
Senior FullStack Software Engineer Want to help shape the future of digital customer experiences? We’re working with a global consumer brand that is investing heavily in technology as part of its digital transformation. With millions of customers worldwide, they’re building scalable platforms and applications to power the next generation of customer … experiences. The Role We’re looking for a Senior Software Engineer to join the team and contribute to building innovative, customer-facing digital products. You’ll work across both frontend and backend systems, collaborating with product managers, designers, and other engineers to deliver high-quality, scalable solutions. This is a great opportunity for someone ready to take ownership … high standards of delivery. Contribute to architecture discussions and help shape technical direction. Support continuous improvement of processes, tools, and best practices. Skills and Experience Solid experience in fullstack development , ideally with Kotlin, Java, TypeScript, and JavaScript Understanding of cloud-based development (Google Cloud Platform or similar). Familiarity with microservices, REST APIs, and modern More ❯
FullStackEngineer - One day a week in Devon Up to £70,000 + Shares Join a high-growth AI startup reshaping how the property industry operates. This role offers the opportunity to build advanced products that integrate intelligent automation and large language models into real-world property management and development workflows. What you … and React) Strong relational database experience Cloud deployment and operations (AWS preferred) Familiarity with LLM ecosystems such as OpenAI, Anthropic, or Mistral A single individual with the complete stack is ideal, although close alignment across these areas is welcomed. Passion for experimentation, relentless problem-solving, and product impact will distinguish the strongest candidates. If you are excited to More ❯
Frodsham, Cheshire, England, United Kingdom Hybrid/Remote Options
Hyperloop Recruitment
FullStack Software Engineer (Backend & Data Focus) AWS | Node | Data Pipelines | ETL | TypeScript North West/Hybrid – 2 Days in Office £45,000 - £55,000 AWS | Node | Data Pipelines | ETL | TypeScript The Client We’re partnered with a high-growth technology company who are reshaping how digital experiences are delivered at scale. Their award … of major UK and global brands, combining advanced data engineering with modern web technologies to drive customer engagement. As part of continued expansion, they’re looking for a FullStack Software Engineer with a strong backend and data focus to help build scalable, data-driven systems that handle millions of user interactions every week. … to a product used globally, with the freedom to experiment, learn, and directly influence technical direction. AWS | Node | Data Pipelines | Typescript Requirements 4+ years’ experience as a Software Engineer within a SaaS, PaaS, or data-intensive environment Strong experience with AWS cloud technologies (Kinesis, Glue, S3, RDS, Lambda) Node.js or TypeScript for backend development Understanding of ETL , data More ❯
Are you a back-end leaning fullstackengineer ready to shape the next generation of retail technology? You'll join an innovative retail tech company is powering the digital experiences of luxury and high-end fashion retailers worldwide. Their clienteling platform helps in-store teams connect meaningfully with their customers via personalised, data … opportunity to contribute to the future front-end rebuild, re-platforming their architecture, building microservices in Node.js and TypeScript, and a host of new feature development work. Tech Stack: Node.js, TypeScript, JavaScript MongoDB (NoSQL), REST/GraphQL APIs Azure Cloud, containerised deployments HTML, CSS What we re looking for: 5+ years experience in backend or fullstack development Strong knowledge of Node.js, TypeScript, and microservices architecture Stong understanding of concurrency and experience building systems with a high volume of traffic Solid understanding of scalable REST APIs and NoSQL databases Interest or experience in front-end development The role is remote, with the option to work in the Shoreditch office (1 day a More ❯
North East London, London, England, United Kingdom
Big Red Recruitment
Are you a back-end leaning fullstackengineer ready to shape the next generation of retail technology You'll join an innovative retail tech company is powering the digital experiences of luxury and high-end fashion retailers worldwide. Their clienteling platform helps in-store teams connect meaningfully with their customers via personalised, data … opportunity to contribute to the future front-end rebuild, re-platforming their architecture, building microservices in Node.js and TypeScript, and a host of new feature development work. Tech Stack: Node.js, TypeScript, JavaScript MongoDB (NoSQL), REST/GraphQL APIs Azure Cloud, containerised deployments HTML, CSS What we’re looking for: 5+ years’ experience in backend or fullstack development Strong knowledge of Node.js, TypeScript, and microservices architecture Stong understanding of concurrency and experience building systems with a high volume of traffic Solid understanding of scalable REST APIs and NoSQL databases Interest or experience in front-end development The role is remote, with the option to work in the Shoreditch office (1 day a More ❯
Derbyshire, England, United Kingdom Hybrid/Remote Options
erg group
Salesforce integration projects. This position enables the hands on Technical Director to focus on strategic growth while you take ownership of day-to-day development excellence. A capable full-stackengineer with strong backend expertise, proficient in C# and .NET Core. You'll thrive in a flat, agile structure, collaborating across multiple technologies while … strategic evolution, working on data-intensive, integration-heavy systems that make real impact. - **Reports to:** Technical Director - **Location:** Derby (Hybrid - 1 day office/week, typically Tuesdays) - **Focus:** Full-stack development with backend bias - **Growth:** Contribute to AI-driven software solutions and product innovation Ready to join Derby's most innovative software development team? Apply now More ❯
Full-Stack Developer — C#/Javascript/typescript (Hybrid, North West) Salary: £50,000–£60,000 · Type: Full-time · Location: North West (hybrid; regular office days in regional hub) Join a fast-moving product team building customer-facing and internal systems used by thousands. We’re looking for a pragmatic Full-Stack Developer who loves shipping well-tested software, designing clean APIs and improving delivery through CI/CD and automation. You’ll work across the stack (C#/.NET ecosystem), collaborate closely with product and QA, and help shape architecture for a cloud-hybrid environment. What you’ll do Design, implement and maintain robust RESTful APIs and … services using C#/.NET (MVC/Web API) . Own full delivery lifecycle: backlog grooming, sprint planning, implementation, code review, testing and deployment. Work in a cloud-hybrid setup (Azue/AWS/GCP) helping to design integrations, security boundaries and deployment patterns. Implement and evolve CI/CD pipelines (build, test, deploy, infrastructure as code) to More ❯
Manchester, Lancashire, England, United Kingdom Hybrid/Remote Options
Uniting Ambition
Full-Stack Developer — C#/Javascript/typescript (Hybrid, North West) Salary: £50,000–£60,000 · Type: Full-time · Location: North West (hybrid; regular office days in regional hub) Join a fast-moving product team building customer-facing and internal systems used by thousands. We’re looking for a pragmatic Full-Stack Developer who loves shipping well-tested software, designing clean APIs and improving delivery through CI/CD and automation. You’ll work across the stack (C#/.NET ecosystem), collaborate closely with product and QA, and help shape architecture for a cloud-hybrid environment. What you’ll do Design, implement and maintain robust RESTful APIs and … services using C#/.NET (MVC/Web API) . Own full delivery lifecycle: backlog grooming, sprint planning, implementation, code review, testing and deployment. Work in a cloud-hybrid setup (Azue/AWS/GCP) helping to design integrations, security boundaries and deployment patterns. Implement and evolve CI/CD pipelines (build, test, deploy, infrastructure as code) to More ❯
North West, England, United Kingdom Hybrid/Remote Options
Uniting Ambition
Full-Stack Developer — C#/Javascript/typescript (Hybrid, North West) Salary: £50,000–£60,000 · Type: Full-time · Location: North West (hybrid; regular office days in regional hub) Join a fast-moving product team building customer-facing and internal systems used by thousands. We’re looking for a pragmatic Full-Stack Developer who loves shipping well-tested software, designing clean APIs and improving delivery through CI/CD and automation. You’ll work across the stack (C#/.NET ecosystem), collaborate closely with product and QA, and help shape architecture for a cloud-hybrid environment. What you’ll do Design, implement and maintain robust RESTful APIs and … services using C#/.NET (MVC/Web API) . Own full delivery lifecycle: backlog grooming, sprint planning, implementation, code review, testing and deployment. Work in a cloud-hybrid setup (Azue/AWS/GCP) helping to design integrations, security boundaries and deployment patterns. Implement and evolve CI/CD pipelines (build, test, deploy, infrastructure as code) to More ❯
Senior Software Engineer I page is loaded Senior Software Engineer I Apply locations London time type Full time posted on Posted Yesterday job requisition id R7649 Company Description We're - you might not know our name, but companies like eBay, ASOS, Klarna, Uber Eats, and Sony do. That moment when you check out online … goals. You'll get to work with teams from across 's portfolio of products and services who all have a real customer first philosophy. As a Senior Software engineer, you will lead and drive specific projects critical to Checkout's needs with opportunities to switch teams and projects as you and our fast-paced business grow and evolve. … We need our engineers to be versatile, display exceptional leadership qualities and be enthusiastic to take on new problems across the full-stack as we continue to push technology forward. With your technical expertise you will lead project priorities, deadlines, and deliverables. You will design, develop, test, deploy, maintain, and enhance software solutions. What are we More ❯
among the worlds most promising AI companies, is expanding their technical team to support continued growth and success. They are looking for an experienced technical leader to take full ownership of integrations with third-party systems. This is a hands-on, client-facing role ideal for someone who can combine deep technical knowledge with excellent communication and leadership … technically joust at this leve Proven track record in software development, system integrations, and creating developer resources such as APIs, SDKs, and technical documentation. Strong experience across Integrations, FullStack Web Development, and Cloud Architecture Proficiency with one or more of the following technologies: JavaScript, NodeJS, Python (or equivalent modern frameworks/languages). Outstanding interpersonal … reasonable adjustments for your application or during the interview process, please let us know by separately emailing(if this email address has been removed by the job-board, full contact details are readily available on our website). Keywords Head of Integrations/Technical Integration Lead/API Integration Manager/SaaS Integration Engineer/FullMore ❯
the world’s most promising AI companies, is expanding their technical team to support continued growth and success. They are looking for an experienced technical leader to take full ownership of integrations with third-party systems. This is a hands-on, client-facing role ideal for someone who can combine deep technical knowledge with excellent communication and leadership … technically joust at this leve Proven track record in software development, system integrations, and creating developer resources such as APIs, SDKs, and technical documentation. Strong experience across Integrations, FullStack Web Development, and Cloud Architecture Proficiency with one or more of the following technologies: JavaScript, NodeJS, Python (or equivalent modern frameworks/languages). Outstanding interpersonal … reasonable adjustments for your application or during the interview process, please let us know by separately emailing (if this email address has been removed by the job-board, full contact details are readily available on our website). Keywords – Head of Integrations/Technical Integration Lead/API Integration Manager/SaaS Integration Engineer/FullMore ❯
City of London, London, United Kingdom Hybrid/Remote Options
RedTech Recruitment
the world’s most promising AI companies, is expanding their technical team to support continued growth and success. They are looking for an experienced technical leader to take full ownership of integrations with third-party systems. This is a hands-on, client-facing role ideal for someone who can combine deep technical knowledge with excellent communication and leadership … technically joust at this level Proven track record in software development, system integrations, and creating developer resources such as APIs, SDKs, and technical documentation. Strong experience across Integrations, FullStack Web Development, and Cloud Architecture. Proficiency with one or more of the following technologies: JavaScript, NodeJS, Python (or equivalent modern frameworks/languages). Outstanding interpersonal … your application or during the interview process, please let us know by separately emailing applications@redtech-recruit.com (if this email address has been removed by the job-board, full contact details are readily available on our website). Keywords – Head of Integrations/Technical Integration Lead/API Integration Manager/SaaS Integration Engineer/FullMore ❯
the world’s most promising AI companies, is expanding their technical team to support continued growth and success. They are looking for an experienced technical leader to take full ownership of integrations with third-party systems. This is a hands-on, client-facing role ideal for someone who can combine deep technical knowledge with excellent communication and leadership … technically joust at this level Proven track record in software development, system integrations, and creating developer resources such as APIs, SDKs, and technical documentation. Strong experience across Integrations, FullStack Web Development, and Cloud Architecture. Proficiency with one or more of the following technologies: JavaScript, NodeJS, Python (or equivalent modern frameworks/languages). Outstanding interpersonal … your application or during the interview process, please let us know by separately emailing applications@redtech-recruit.com (if this email address has been removed by the job-board, full contact details are readily available on our website). Keywords – Head of Integrations/Technical Integration Lead/API Integration Manager/SaaS Integration Engineer/FullMore ❯
A FullStack Software Engineering role. A role that will build your technical capabilities, providing a foundation for growth into more senior technical leadership roles. The Software Engineer is a hands-on contributor responsible for delivering secure, maintainable, and performant software as part of a cross-functional Agile team. Working closely with Product, QA … DevOps, and fellow engineers, this role helps shape technical solutions and contributes to quality practices. This is a FullStack role, essential technical proficiency in following is required: Essential Skills & Experience Strong Python Development Capability 3 years+ Experienced with front-end frameworks (React.js and Next.js) Experience with TypeScript Experience implementing and integrating with REST APIs SQL More ❯
A FullStack Software Engineering role. A role that will build your technical capabilities, providing a foundation for growth into more senior technical leadership roles. The Software Engineer is a hands-on contributor responsible for delivering secure, maintainable, and performant software as part of a cross-functional Agile team. Working closely with Product, QA … DevOps, and fellow engineers, this role helps shape technical solutions and contributes to quality practices. This is a FullStack role, essential technical proficiency in following is required: Essential Skills & Experience Strong Python Development Capability – 3 years+ Experienced with front-end frameworks (React.js and Next.js) Experience with TypeScript Experience implementing and integrating with REST APIs SQL More ❯
Cheltenham, England, United Kingdom Hybrid/Remote Options
Searchability NS&D
Principal Software Engineer – National Security - SC Clearance Role: Principal Software Engineer Location: Cheltenham - Hybrid Work Clearance: SC Cleared/Eligible for SC Salary: £75,000 - £95,000 About the Role Searchability NS&D is recruiting a Principal Software Engineers to join an Agile delivery team supporting a range of complex and high-impact Central Government and … the software lifecycle — from requirements analysis to support and maintenance. Collaborate closely with clients and multidisciplinary teams in an Agile environment. About You We’re particularly interested in FullStack Engineers with commercial experience in: Extensive fullstack commercial experience using a range of languages/technologies including Java & AWS Agile development … development Social: Regular team get-togethers, summer parties, and annual company away-days Onsite Allowances: Expenses provided for lunch and refreshments Apply If you’re an ambitious Software Engineer looking to apply your skills to impactful, mission-focused projects, we’d love to hear from you. #Java #AWS #React #JavaScript #TypeScript #Kubernetes #Docker #SC #SCCleared #FullStack More ❯
Lead Engineer – NodeJS Developer Salary: Up to £100000 + Benefits + Bonus NodeJS, JavaScript, TypeScript, React Framework, AWS, Kubernetes, Docker, Digital Investments. SQL, Harrington Starr has partnered with an innovative Digital Currency Investment Platform Company that specialise in developing unique software systems for clients for invest into Digital Markets from Pensions, Investments and Fund Management. This is an … ecosystem. This organisation are developing cutting edge web-systems, which are being used globally and are offering the opportunity for you to play a pivotal role within the full software development life cycle. We are looking for an experienced FullStackEngineer with NodeJS, JavaScript, TypeScript and NodeJS and including cloud technologies. More ❯
Lead Engineer – NodeJS Developer Salary: Up to £100000 + Benefits + Bonus NodeJS, JavaScript, TypeScript, React Framework, AWS, Kubernetes, Docker, Digital Investments. SQL, Harrington Starr has partnered with an innovative Digital Currency Investment Platform Company that specialise in developing unique software systems for clients for invest into Digital Markets from Pensions, Investments and Fund Management. This is an … ecosystem. This organisation are developing cutting edge web-systems, which are being used globally and are offering the opportunity for you to play a pivotal role within the full software development life cycle. We are looking for an experienced FullStackEngineer with NodeJS, JavaScript, TypeScript and NodeJS and including cloud technologies. More ❯
Bristol, Avon, South West, United Kingdom Hybrid/Remote Options
Hargreaves Lansdown
Salary: Up to £65,000 dependent on experience HL are looking for a talented fullstack Software Engineer to join a Pensions & Retirement product engineering team in building market leading solutions for our clients. This is an opportunity to join the UK's number one investment services company, looking after over £180 billion in … practice designed to support the development team. Continually develop both technical and interpersonal skills. Providing engineering support for existing applications when necessary. About You Professional experience with AWS, fullstack TypeScript with React on the front end, IaC, CI/CD Experience with unit, integration, and end to end testing tools and practices (e.g. Jest, Cypress More ❯
Employment Type: Permanent, Part Time, Work From Home
South West London, London, United Kingdom Hybrid/Remote Options
Anson Mccade
Senior Software Engineer £80000-100000 GBP Equity Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent Senior Software Engineer - SaaS and Payments London (4 days onsite) £80,000 to £100,000 base plus package A high-growth B2B fintech scale-up transforming how complex industries handle payments and financial workflows are growing their engineering … team! They're profitable, well-funded, and engineering-led, and as their newest Engineer you'll shape their core platform and take ownership of critical features. This is a hands-on senior role where you can influence the technical direction, own features and build software that has a real impact. As a software engineer you will … Build and scale end-to-end features across the fullstack using .NET and React Work with SQL and NoSQL databases to deliver robust, high-performance solutions Design, maintain and optimise cloud-based services on AWS, GCP or Azure Implement and improve CI/CD pipelines, testing and version control practices Solve complex technical problems and More ❯
Job Description How You'll Make an Impact We're looking for a Full-stack Software Engineer to join our London team as part of the Experiences Squad - we want someone who thrives in a fast-paced environment, someone who wants to make a positive impact to their environment and someone with a mentality … tech squads and the commercial functions globally. This is a hybrid role requiring 2-3 days per week in our London office. What You'll Achieve As an engineer in the Experiences Squad, you will bring a first-class UX to our Accelerate Conversion Platform increasing Accelerate's reach. The Experiences Squad's responsibility spans across several features … features Previous exposure to ecommerce or personalization You are always striving to improve yourself - we're looking for engineers who can be happy working across many layers on Fullstack services. Love variety - our engineers rotate teams so that we can learn from each other. Excellent with Typescript both front-end & back-end (with Node.js) Can More ❯
City of London, London, United Kingdom Hybrid/Remote Options
La Fosse
Senior Software Engineer | Hybrid | Node | AWS | TypeScript | £100k + 10% bonus La Fosse has partnered with a global leader in customer loyalty and travel services. We're looking for a Senior Software Engineer with a strong background in full-stack JavaScript (Backend JS leaning) to join their growing team. Your mission: Build … systems from the ground up, with opportunities to explore AI, automation, and industry-leading engineering practices. What They're Looking For 6+ years of technical experience with the FullStack JavaScript ecosystem Experience leading the design, development, and operation of innovative software solutions Strong skills in modern web development (Node.js, AWS, TypeScript) and a solid understanding … Process: Streamlined two-stage virtual interview If this sounds like the next step in your engineering journey, we'd love to hear from you. Apply now! Senior Software Engineer | Hybrid | Node | AWS | TypeScript | £100k + 10% bonus More ❯