City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Senior FullStack Developer/Engineer (Java Angular) London/WFH to £90k Are you fullstack technologist? You could be progressing your career in a hands-on, impactful, Senior FullStack Developer role, working on a "tech for good" product that is helping to drive … product is a highly complex real-time shift rota application, hosted on AWS and available via the web or mobile device (iOS/Android). As a Senior FullStack Developer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). … join colleagues in the London, City based offices 3-4 days a week with some flexibility to work from home 1-2 days. About you: You have strong FullStack development experience including Java backend (Spring Boot) as well as modern Angular You have experience with relational databases and SQL query writing You have a strong More ❯
Contract Python Developer, FullStack Software Engineer, with experience in FastAPI, Numpy, Scipy, Matplotlib, PyQt/PySide, TypeScript, React/Angular, SQL, Django, MongoDB, Redis, Docker, Kubernetes - £500 a day outside IR35 - 3 months with possible extension. We are seeking a Contract Python Developer to work with a sustainable engineering client based in the More ❯
location, metro accessible and free parking on site) Clearance: TS/SCI required, must obtain DHS EOD clearance once hired Blu Omega is seeking a mission-driven Software Engineer with a passion for building high-impact technical solutions in support of national security. If you're excited about leveraging modern cloud-native tools and technologies to solve complex More ❯
Peterborough, Cambridgeshire, United Kingdom Hybrid / WFH Options
Syntax Consultancy Ltd
Full-stack developer Permanent £40,000 (doe) Peterborough (Hybrid) A Full-stack developer/Software Engineer is required for a permanent position based in Peterborough. This hybrid role offers 3 days on-site + 2 days remote work per week, following successful completion of the probation period. This is a More ❯
Cardiff, South Glamorgan, Wales, United Kingdom Hybrid / WFH Options
ADLIB Recruitment
a couple of times a month !! Are you passionate about using technology for social good? Im helping a mission-driven AI start-up find a Junior/Mid Full-Stack Software Engineer,coming with perhaps a couple of years commercial experience withC# .Net & React.js, along with exposure to Azure. Theyre tackling one of the … well in a team and not be afraid to take initiative. Be eager to learn and continuously improve their skills and processes. What Youll Be Doing As a Full-Stack Software Engineer, youll work across the product lifecycle, from idea to deployment, contributing to both greenfield projects and the evolution of their core platform. … Youll also help design, build and maintain full-stack applications that help detect and counter online harms. Help create intuitive and accessible user interfaces using modern front-end frameworks. Help develop efficient, secure and reliable backend systems that interface with APIs and databases. Gain exposure to collaboration with stakeholders to understand user needs and shape product More ❯
Senior Software Engineer (.NET) Fixed Term Contract (12 months) Location: Remote, United Kingdom - with travel as required At Ascenti, we help thousands of people every day to elevate their health and live active lives. With over 25 years of experience in the public and private sectors, we're proud to foster a progressive, values-led workplace where our … people thrive. About the role We're looking for a Senior Software Engineer (.NET) to join our Ascenti Digital team on a full-time, 12-month fixed-term contract. This is a critical role that supports the delivery of scalable software solutions across our digital infrastructure, helping us improve outcomes for patients, clinicians, and partners. You … aligned to our roadmap. You'll also mentor junior engineers and help shape our coding standards and development practices. This role is ideal for someone who brings strong full-stack engineering experience, a collaborative mindset, and a desire to make meaningful contributions to health tech innovation. What you'll be doing As a Senior Software EngineerMore ❯
London, South East, England, United Kingdom Hybrid / WFH Options
E.ON
Mid to Senior Software Engineer We're looking for enthusiastic backend software engineers who are passionate about building great products. Now is the time more than ever to revolutionise the energy industry to ensure its stability, affordability, and sustainability. If you have a passion for creating innovative products that can transform the way we think about and use … energy, we'd love to have you join our team! We are a dynamic team at the leading edge of technology, building and maintaining full-stack solutions across multiple business areas. On the server-side we mainly use Python, giving us access to a wide variety of libraries such as the Django framework. We stand by … advantage of the multitude of services from AWS such as Lambda, DynamoDB, RDS, AppSync, and many more to complete our tech stack. We are proud of our tech stack and with the help and guidance of all our software engineers, we want to keep it that way by always being open to new innovative ideas. Our solutions are More ❯
Lead Software Engineer - C#/.Net Leeds (Hybrid - 2 days/week on-site) Up to £68,000 base A high-growth digital delivery team within a global professional services firm is hiring five Lead Software Engineers to join its Leeds-based tech hub. This is a unique opportunity for a Lead Software Engineer to work … team operates like a start-up within the enterprise—tech-first, agile, and focused on solving complex challenges for public sector and regulated clients. As a Lead Software Engineer, you’ll be part of a collaborative, onshore-first engineering capability that values deep technical expertise and continuous learning. Requirements for the Lead Software Engineer role: Strong … experience in C#/.Net (full-stack with JavaScript preferred) Proven leadership in engineering teams and distributed systems Knowledge of CI/CD, Docker/Kubernetes, RESTful APIs, and cloud platforms Must meet UK National Security Vetting criteria (UK residency for 5+ years) What the Lead Software Engineer will do: Lead the design and More ❯
Leeds, West Yorkshire, Yorkshire, United Kingdom Hybrid / WFH Options
Anson Mccade
Lead Software Engineer £60000 - 69000 GBP 10% bonus Onsite WORKING Location: Leeds, Yorkshire and the Humber - United Kingdom Type: Permanent Lead Software Engineer - C#/.Net Location: Leeds (Hybrid - 2 days/week on-site) Salary: Up to £68,000 base A high-growth digital delivery team within a global professional services firm is hiring five … Lead Software Engineers to join its Leeds-based tech hub. This is a unique opportunity for a Lead Software Engineer to work on secure, high-impact systems without the distractions of client-facing or sales responsibilities. The team operates like a start-up within the enterprise-tech-first, agile, and focused on solving complex challenges for public sector … and regulated clients. As a Lead Software Engineer, you'll be part of a collaborative, onshore-first engineering capability that values deep technical expertise and continuous learning. Requirements for the Lead Software Engineer role: Strong experience in C#/.Net (full-stack with JavaScript preferred) Proven leadership in engineering teams and distributed More ❯
Poly Opportunity Tetratek Innovation Solutions, providing software and systems engineering excellence to enable mission solutions for our partners and customers, has an immediate opening for an experienced Software Engineer! Location: Onsite - Annapolis Junction, MD Compensation Range w/bonus: $210K - $240K Base, $273K - 310K Total Comp Summary: The selected candidate will serve on an agile team, performing full-stack development in supporting a high-visibility application with cross-organizational impact for our customer. The candidate for this position will need to support full feature development, to include ingestion of new data sources, visualization of complex data sets, integration with other services across the enterprise, and a variety of enhancements to user-facing … debugging/testing programs (to include Unit and Component testing, CI/CD), and ensuring that programs meet technical requirements Desired Skills: • Familiarity with Groovy • Experience with; Elastic Stack, MongoDB • Experience with JavaScript frameworks like Backbone.js • JavaScript libraries like D3.js • Familiarity with Java Message Service (JMS) API and messaging brokers like ActiveMQ • Familiarity with common commercial cloud platforms 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 ❯
Senior Software Engineer Location: Littleton, CO Job ID: Pay Range: $65-85 Duration: 12 months contract - W2 hourly US citizens only - No C2C The prospective candidate needs to obtain security clearance. The deadline to apply is 08/01/2025 RESPONSIBILITIES: The selected candidate will develop software engineering solutions for Orion's Ground Support Tools software team. … problem-solving to develop, enhance, or troubleshoot software. Required Skills: • Extensive experience with Big Data • Experience with Apache Hadoop or AWS • Experience with relational databases • Expertise in Java full-stack development • Knowledge of Telemetry systems and processing • Experience with systems integration • Experience with anomaly investigation and resolution • Willingness for off-hours support to ensure lab productivity More ❯
Days Individual, dedicated Training & Development budget Pension Bike to work and other relevant schemes About You Essential: Minimum of 3 years' experience working as hands-on Data Science Engineer or a role with similar responsibilities listed above at a reputable software development firm or in a comparable environment. You will have a blend of analytic and tech knowledge … communicate complex technicalities to any audience A passionate drive for code quality & results About the Role We are seeking a highly skilled and experienced Senior AI/ML Engineer to join our growing data science team in London (we are 5 at the moment), who is especially passionate about software engineering of the Data science solutions. In this … through the data science application with low response time Proficient in integrating new solutions into existing architecture/systems with a focus on performance and maintainability. Core Responsibilities: Full-stack software engineering in Python of the Data Science solutions DevOps for Data science solutions in AWS (GCP - nice to have) Code review of more junior members More ❯
APPLICATION ENGINEER LIVERPOOL, 2 DAYS ON-SITE PER WEEK 3 MONTH INITIAL CONTRACT INSIDE IR35 The Apps Engineer brings AI-driven solution concepts to life by rapidly prototyping compelling front-end experiences and lightweight functional apps. They work collaboratively with AI engineers, data engineers, and UX/UI designers to demonstrate what "good" looks like in … value of AI and data products. This role is pivotal in turning abstract ideas into tangible, interactive demos that resonate with business and technical stakeholders alike. Essential Skills: - Full-stack or front-end engineering skills (React, Angular, or Flutter; Node.js or Python for back-end). - Experience working with RESTful APIs, mock servers, or AI microservices. … use cases (e.g., intelligent dashboards, chatbot interfaces, recommendation engines). - Integrate front-end experiences with APIs and mock AI backends for demo purposes. - Collaborate with UX/UI engineer to ensure visual polish and intuitive interaction design. - Rapidly prototype and iterate solutions aligned with client-specific scenarios (e.g., banking, insurance, automotive). - Package and present demos in a More ❯
Technical Leadership: Display your technical leadership skills by guiding and collaborating with both onshore and offshore developer team members during client projects, ensuring successful outcomes. As a Software Engineer, you will: Develop traditional and serverless applications and services in an agile and collaborative environment using source control that integrate with data storage services/message buses and other … use of unit/integration/contract testing with a consideration of security/performance requirements We are looking for experience in the following skills: React/TypeScript full-stack development. Experience with Cloud Native technologies on AWS or Azure is essential Build automation tools to support CI/CD pipelines. Set yourself apart: Proven ability More ❯
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Software Engineer/Developer *Newcastle onsite* to £70k+ Are you a bright, ambitious Software Engineer looking for an opportunity to progress your career, working on complex and interesting systems in a role where you can learn and develop your skills? You could be joining a FinTech start-up, they have secure backing and an established Hedge … Fund client as a partner. As a Software Engineer you will collaborate with a small, talented team to deliver the core platform within a Microsoft environment using the latest versions of C# .Net to produce high quality code. Once the Beta has been rolled out and tested the company has ambitious growth plans, this is a great opportunity … to be involved from the ground up and progress your career. Location/WFH: You'll join colleagues in Central Newcastle offices on a full-time basis (Monday to Friday). About you: You have achieved a minimum 2.1 BSc in Computer Science or similar technical discipline from a top tier/Russel Group university, backed by A More ❯
Contribute to infrastructure improvement initiatives Ensure smooth deployment and integration of features Resolve operational issues and minimise downtime when needed. Key Technologies - Cloud based systems, Azure and AWS FullStack Octopus Deploy VueJS , React, Angular Mobile development in Android Studio Key Skills - Passionate about software engineering and delivering a quality product Have a deep understanding and … committed to using automated testing platforms and unit tests to deliver readable. maintainable code. Have a great understanding if deployment technologies and concepts. Programme languages used are c# fullstack and Vue JS This role is mainly home based and does not require you to travel. If the idea of making an impact on a project More ❯
Sunderland, Tyne and Wear, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Software Engineer/Developer (C# or Java) Sunderland/WFH to £65k Are you an experienced Software Engineer who enjoys using a range of programming languages, collaborating and learning continuously? You could be progressing your career in a hands-on role within a relaxed, supportive team environment at a tech driven online gaming/low-cost … gambling SaaS tech company that provide a range of white labelled gaming platforms for household names with millions of concurrent players. As a Software Engineer you will design and develop web applications on a cloud based platform (AWS), collaborating and problem solving with a talented team. The tech stack encompasses C# ASP.Net, MVC, Node.js, Java, REST … two days a week. About you: You have strong backend development skills with C# and/or Java You have experience with AWS You have experience across the full development lifecycle You have a good understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns You enjoy problem solving, collaborating and learning What's in it More ❯
Pelagic AI, LLC 1765 Greensboro Station Place, Tower 1, Suite 900, McLean VA 22102 USA +1 Senior Staff Backend Software Development Engineer - (Senior/Expert) Date Posted: September 2024 Job Title: Senior Staff Backend Software Development Engineer - (Senior/Expert) Req Number: 1000-705 Location(s): Herndon, VA Position Type: Full-Time, W … a minimum of a criminal and credit check as well as at least three professional references. Role Overview: Pelagic AI is seeking a Senior Staff Backend Software Development Engineer to join a critical intelligence program. In this role, you will support the development and integration of various intelligence capabilities into a test and subsequently operational environment. You will … health monitoring system to detect deployment and resource issues. • Script and automate deployments to different environments to mitigate configuration management issues of configurations • Troubleshoot issues across the application stack when issues arise • Work closely with DevOps and developers team to bridge any gap in process and communication Minimum Requirements: • Must have a current/active TS/SCI More ❯
Senior Software Engineer - API & ML Infrastructure Job details Posted 04 July 2025 Salary £90000 - £120000 per annum, Benefits: Significant Equity Location London Job type Permanent Discipline Electronic and Hardware Engineering Reference BK-57-1 About Us We're a stealth-mode deep tech startup rethinking how AI models train, adapt, and scale. Our mission is to optimise large … traction. If you're excited by infrastructure that powers the frontier of machine learning, we'd love to talk. The Role We're looking for a Senior Software Engineer to lead development of a high-performance API platform that serves machine learning models at scale. You'll take full ownership of the infra stackMore ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Backend Software Engineer/Technical Lead (Python Java AWS) London/WFH to £115k Are you a backend focussed Software Engineer with strong Python and Java experience combined with leadership skills? You could be progressing your career at a scale-up tech company (established 10 years), that enables smart matching for commercial van drivers and consumers … and delivering CO2 carbon neutral targets. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Backend Software Engineer/Technical Lead you'll head up a team of 4-5 within an Agile environment to design and develop, troubleshoot and solve complex software issues to help scale … and future proof the business. You'll focus on backend Python and Java engineering on AWS but there's a range of other tech in the stack (JavaScript, Vue.js, TypeScript and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job. There's an emphasis More ❯
West Midlands, United Kingdom Hybrid / WFH Options
ClearCourse
Company description: ClearCourse Job description: Senior Software Engineer SaaS Product Development Location: Warwick (Hybrid) Salary: Competitive + Bonus + Benefits Role Type: Full-Time, Permanent Shape the Future of SaaS in a Hands-On, High-Impact Engineering Role Are you a highly skilled C#/.NET and Angular developer with a passion for building clean, scalable … you looking for the freedom to make meaningful technical decisions, mentor others, and contribute to a long-standing SaaS product used by thousands? Were seeking a Senior Software Engineer to join our small, agile development team at ClearCourse. Youll play a key role in designing, building, and maintaining a feature-rich, high-availability application hosted on Azure while … influencing decisions across architecture, testing, performance, and quality. Our Tech Stack: C# 7+/.NET Angular 13+ SQL Server Redis APIs and Integrations Message Queues CI/CD Pipelines Automated Testing Frameworks Azure-hosted SaaS environment What Youll Be Doing: Build and enhance web applications using Angular and C#/.NET Develop robust APIs, system integrations, and database More ❯
Warwick, Warwickshire, England, United Kingdom Hybrid / WFH Options
ClearCourse
Company description: ClearCourse Job description: Senior Software Engineer – SaaS Product Development Location: Warwick (Hybrid) Salary: Competitive + Bonus + Benefits Role Type: Full-Time, Permanent Shape the Future of SaaS in a Hands-On, High-Impact Engineering Role Are you a highly skilled C#/.NET and Angular developer with a passion for building clean, scalable … looking for the freedom to make meaningful technical decisions, mentor others, and contribute to a long-standing SaaS product used by thousands? We’re seeking a Senior Software Engineer to join our small, agile development team at ClearCourse. You’ll play a key role in designing, building, and maintaining a feature-rich, high-availability application hosted on Azure … while influencing decisions across architecture, testing, performance, and quality. Our Tech Stack: C# 7+/.NET Angular 13+ SQL Server Redis APIs and Integrations Message Queues CI/CD Pipelines Automated Testing Frameworks Azure-hosted SaaS environment What You’ll Be Doing: Build and enhance web applications using Angular and C#/.NET Develop robust APIs, system integrations More ❯
skills or experience we're looking for, please go ahead and apply. We'd love to hear from you! About The Role HL are looking for a talented fullstack Software Engineer to join The Web Platform Team to help build market leading solutions for our clients. We are seeking a skilled Software Engineer … and evolving our legacy PHP applications to support the delivery of our product roadmap. This role is instrumental in driving our transition from an on-premises legacy technology stack to a modern, AWS-managed services ecosystem. As we progress with this migration, you will work closely with our team to integrate TypeScript and React into our target architecture. … rapid and continuous delivery of client value. Nice To Have Professional PHP experience with modern frameworks with a desire to move away from PHP into TypeScript/AWS full stack. AWS experience. Skills/Attributes Excellent collaborator naturally works well with others across different disciplines in a cross functional team. Excellent communicator (written and verbal) with good numerical More ❯
skills or experience we're looking for, please go ahead and apply. We'd love to hear from you! About The Role HL are looking for a talented fullstack Software Engineer to join The Web Platform Team to help build market leading solutions for our clients. We are seeking a skilled Software Engineer … and evolving our legacy PHP applications to support the delivery of our product roadmap. This role is instrumental in driving our transition from an on-premises legacy technology stack to a modern, AWS-managed services ecosystem. As we progress with this migration, you will work closely with our team to integrate TypeScript and React into our target architecture. … rapid and continuous delivery of client value. Nice To Have Professional PHP experience with modern frameworks with a desire to move away from PHP into TypeScript/AWS full stack. AWS experience. Skills/Attributes Excellent collaborator naturally works well with others across different disciplines in a cross functional team. Excellent communicator (written and verbal) with good numerical More ❯