Brighton, England, United Kingdom Hybrid / WFH Options
AIRWARE SOLUTIONS LIMITED
to airlines, airports and ground handlers across 3 continents and 14 countries, serving over 20 airports with a diverse portfolio of products and services. Role and Responsibilities: Application Development: Design, develop, and maintain scalable web applications using the .NET framework and related technologies. Frontend & Backend Integration: Collaborate on both server-side and client-side architecture to deliver seamless, responsive … services. Cloud Services Management: Develop and deploy applications on AWS and Azure platforms, leveraging cloud services (e.g., EC2, S3, Lambda, Azure App Services) to optimize performance, scalability, and reliability. API Development: Create and integrate RESTful and SOAP APIs for internal and external consumption, ensuring smooth data interchange among multiple systems and third-party providers. Database Management: Design and … or ASP.NET Core) and related frameworks. Hands-on experience with modern frontend frameworks (e.g., Angular, React, or Vue.js) and proficiency in HTML, CSS, and JavaScript. Solid understanding of RESTful APIdesign and implementation. Experience with SQL Server, and familiarity with NoSQL databases. Software Development Lifecycle: Knowledge of Agile methodologies and commitment to collaborative problem solving, efficient coding practices More ❯
Glasgow, Scotland, United Kingdom Hybrid / WFH Options
Waracle
We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations This is a Hybrid role working from any of our offices 2 days a week. As a Senior Fullstack Developer at Waracle, you will become … ready to blend deep technical expertise with strategic leadership in a fast-paced, consultancy environment, we invite you to apply. What You'll Do: Provide Technical Leadership: Guide the design and build of advanced, scalable .NET/C# backend services and sophisticated React frontend applications. You'll set technical direction, contribute to overall architecture, and ensure the highest standards … as a Fullstack Developer with a strong portfolio of successfully delivered web applications.Backend Mastery: Expert-level proficiency in .NET and C# (including .NET Core/5+), ASP.NET Core, RESTful APIdesign, and a solid understanding of microservices architecture. Frontend Proficiency: Expert-level proficiency in React, including core libraries, state management, and modern frontend practices. Database Acumen: Solid understanding More ❯
Reading, England, United Kingdom Hybrid / WFH Options
Qualient Technology Solutions UK Limited
Type: full-time Job Title: Java Full stack Software Engineer Job Description: Opportunity for talented Full Stack Software Engineer to join collaborative engineering team. This role will focus on design, architecture, and implementation of software components as well as the overall solution, utilizing concepts, and best engineering practices of microservices architecture. As Full Stack Software Engineer you play an … in delivering new products and improvements to provide our customers and partners future proof, flexible and scalable solutions, while maintaining high quality standards. You will be responsible for analysis, design, automation, engineering, research and development, implementation, following and implementing design patterns and principles, utilizing concepts of clean architecture and clean code. Primary Responsibilities: Develop and maintain server-side … and client-side applications using React, TypeScript, Java, Spring Boot, ensuring code quality, efficiency, and adherence to best practices. Design and implement scalable and efficient data structures and algorithms to optimize application performance. Ensure seamless integration of front-end and back-end components to deliver fully functional systems. Collaborate with UI/UX designers to create user-friendly interfaces More ❯
London, England, United Kingdom Hybrid / WFH Options
Solirius Reply
the growth of junior developers. This is an opportunity to shape the direction of our platform and foster a culture of collaboration and innovation. Requirements Key Responsibilities: Ruby Development: Design, build, and maintain robust, scalable, and high-performance Ruby applications. Write clean, maintainable, and efficient code following best practices and coding standards. Collaborate with frontend developers to integrate backend … services with the frontend. DevOps & Automation: Collaborate with the DevOps team to design and implement CI/CD pipelines and deployment automation. Ensure the smooth deployment of Ruby applications by utilizing infrastructure-as-code tools (e.g., Terraform, Ansible). Maintain and improve our cloud-based infrastructure (AWS, GCP, or Azure) to ensure scalability and reliability. Database Architecture & Optimization: Design … integrity and backup strategies to ensure data security. Leadership & Collaboration: Mentor and guide junior developers in best practices and efficient coding. Collaborate with cross-functional teams, including product management, design, and operations. Provide technical leadership in project planning and execution, setting clear goals and timelines. Participate in code reviews and contribute to establishing coding standards. Additional Backend Technology (optional More ❯
own the strategic architectural direction and implementation, ensuring our platform is scalable, secure, and aligned with the rapidly evolving AI landscape. Key Responsibilities Provide visionary architectural leadership for the design, development, and delivery of a new generation AI-driven SaaS platform. Lead, mentor, and manage a team of Senior Full-Stack Developers and engineers, fostering a culture of technical … Proven expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms in a production environment. Strong understanding and practical application of … experience integrating AI tools, APIs, or platforms into software solutions. Domain experience in Recruitment Technology, HRTech, or closely related fields is a must. Proficient in software architecture, microservices, RESTful APIdesign, and cloud-native development (AWS, Azure, or GCP preferred). Experience with CI/CD pipelines, automated testing, and DevOps practices. Solid grasp of security best practices More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Reed.ai
own the strategic architectural direction and implementation, ensuring our platform is scalable, secure, and aligned with the rapidly evolving AI landscape. Key Responsibilities Provide visionary architectural leadership for the design, development, and delivery of a new generation AI-driven SaaS platform. Lead, mentor, and manage a team of Senior Full-Stack Developers and engineers, fostering a culture of technical … Proven expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms in a production environment. Strong understanding and practical application of … experience integrating AI tools, APIs, or platforms into software solutions. Domain experience in Recruitment Technology, HRTech, or closely related fields is a must. Proficient in software architecture, microservices, RESTful APIdesign, and cloud-native development (AWS, Azure, or GCP preferred). Experience with CI/CD pipelines, automated testing, and DevOps practices. Solid grasp of security best practices More ❯
Derby, England, United Kingdom Hybrid / WFH Options
Oliver James
integration. The ideal candidate will be a self-starter who thrives in dynamic environments and enjoys building scalable, performant, and intelligent web applications from front to back. Key Responsibilities Design, develop, test, and deploy high-quality web applications using .NET Core, C#, and Angular. Build and maintain scalable microservices using RESTful APIs and containerized services (Docker/Kubernetes). … process. Required Skills & Qualifications 3+ years of professional full-stack development experience. Strong proficiency in .NET Core, C#, and modern Angular (v10+). Solid understanding of Microservices architecture, RESTful APIdesign, and inter-service communication. Experience with Python for backend tasks, scripting, or AI/ML integration. Familiarity with AI/ML workflows, model deployment, and basic data More ❯
Glasgow, Scotland, United Kingdom Hybrid / WFH Options
Waracle
We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations This is a Hybrid role working from either our Dundee or Glasgow offices 2 days a week. We are seeking a highly skilled and motivated … scalable, and high-performance Java-based solutions for our diverse client base, with the potential to contribute to and lead AI-driven initiatives. Key Duties and Responsibilities Lead the design and development of complex, scalable Java-based applications (e.g., microservices, APIs), setting technical direction and ensuring code quality Solve intricate back-end architectural and performance challenges, identifying and implementing … Spring Framework (Spring Boot, Spring MVC, Spring Security, Spring Data JPA).Solid understanding of relational databases (e.g., PostgreSQL, MySQL, Oracle) and ORM frameworks (e.g., Hibernate, JPA) Experience with RESTful APIdesign and development Proficiency with version control systems, particularly Git Experience with build tools like Maven or Gradle. Familiarity with cloud platforms (e.g., AWS, Azure, GCP) is a More ❯
London, England, United Kingdom Hybrid / WFH Options
WARACLE
We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations. This is a Hybrid role working from any of our offices 2 days a week. As a Senior Fullstack Developer at Waracle, you will become … ready to blend deep technical expertise with strategic leadership in a fast-paced, consultancy environment, we invite you to apply. What You’ll Do: Provide Technical Leadership: Guide the design and build of advanced, scalable .NET/C# backend services and sophisticated React frontend applications. You’ll set technical direction, contribute to overall architecture, and ensure the highest standards … a Fullstack Developer with a strong portfolio of successfully delivered web applications. Backend Mastery: Expert-level proficiency in .NET and C# (including .NET Core/5+), ASP.NET Core, RESTful APIdesign, and a solid understanding of microservices architecture. Frontend Proficiency: Expert-level proficiency in React, including core libraries, state management, and modern frontend practices. Database Acumen: Solid understanding More ❯
Dundee, Scotland, United Kingdom Hybrid / WFH Options
WARACLE
We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations. This is a Hybrid role working from any of our offices 2 days a week As a Senior Fullstack Developer at Waracle, you will become … ready to blend deep technical expertise with strategic leadership in a fast-paced, consultancy environment, we invite you to apply. What You'll Do: Provide Technical Leadership: Guide the design and build of advanced, scalable .NET/C# backend services and sophisticated React frontend applications. You'll set technical direction, contribute to overall architecture, and ensure the highest standards … a Fullstack Developer with a strong portfolio of successfully delivered web applications. Backend Mastery: Expert-level proficiency in .NET and C# (including .NET Core/5+), ASP.NET Core, RESTful APIdesign, and a solid understanding of microservices architecture. Frontend Proficiency: Expert-level proficiency in React, including core libraries, state management, and modern frontend practices. Database Acumen: Solid understanding More ❯
London, England, United Kingdom Hybrid / WFH Options
Mountain Warehouse
what you have experience of, we can train in the rest. Microservices architecture. Docker & Kubernetes in Azure. Continuous Delivery with Jenkins. RabbitMQ/MassTransit. Microfrontends. Test Driven Development. RESTful API design. GitFlow. We Would Like To Meet Someone Who Is Minimum 4 years of C#, SQL, JavaScript/TypeScript to an advanced level in a commercial environment. Minimum … Year’s Commercial Experience Of React Produces initial results rapidly and iterate based upon feedback. Knowledge of microservice design principles – preferably with commercial experience. Effective communicator. Makes pragmatic implementation decisions and can fail fast if an approach is not working. Understands projects and project goals in depth. Solves challenging problems when no obvious solution is apparent. Desirable experience/ More ❯
Ashburn, Virginia, United States Hybrid / WFH Options
TAIG (Tactical Analytic & Intelligence Group)
Position Summary We are currently seeking a motivated, career and customer-oriented senior-level Java Developer to join our team to begin an exciting and challenging career. Job Responsibilities • Design and implement Micro Service Architecture JEE software applications • Use modern software engineering tools including Eclipse, Visual Studio Code, and Atlassian Suites for design, development, and testing the software … Present the solution at formal and informal design reviews and document the design according to the Government's system lifecycle methodology. • Must be well experienced in design and development of Microservice using Java, Spring-Boot, Rest API, JPA and JQL Required Skills and Experience • Bachelor's degree in computer science or related engineering field with 9+ … years of technical experience focusing on Java application development projects • Provisioning, operating, and maintaining systems running on AWS (or equivalent cloud providers) • Strong understanding of RESTful services, APIdesign and implementation. • Good knowledge in technical concepts-Security, Transaction, Monitoring, Performance. • Strong experience in DevOps/CM tools like Git, Jenkins, Artifactory, Maven/Gradle, SonarQube. • Java Micro Service More ❯
London, England, United Kingdom Hybrid / WFH Options
Highnic
role at Good Chemical Science&Technology Co.Ltd. AI Agents Solution Architect - Future Talent (Q2/Q3 opportunities) for leading GSI in the software engineering market AI Solution Architect to design and implement AI-driven agent solutions for the online commerce space. Deep understanding of AI/ML models, cloud computing, and scalable system architecture. This role requires expertise in … architecting intelligent agents, optimizing cloud-based deployments, and integrating AI services into enterprise applications. Key Responsibilities Architect and design AI-powered agent solutions that integrate with enterprise systems and cloud platforms. Develop and optimize RESTful and GraphQL APIs to facilitate AI-driven interactions. Utilize AWS services (Lambda, S3, API Gateway, SageMaker, DynamoDB, ECS, etc.) to deploy scalable AI … Work closely with data scientists and ML engineers to integrate machine learning models into cloud-native applications. Ensure security, scalability, and reliability of AI agent solutions in production environments. Design event-driven and serverless architectures to enhance AI agent performance. Lead proof-of-concept (PoC) developments for AI-based automation and intelligent process optimization. Define best practices for AI More ❯
London, England, United Kingdom Hybrid / WFH Options
Harvey Nash
sectors. Key Responsibilities: * * Full stack developer with around 8-10 years development experience, working in a agile development team to deliver robust enterprise-wide solutions utilising industry standard practices * Design, develop, enhance and maintain applications using agreed coding standards and quality targets. * Ensure quality via code reviews and thorough unit testing. * Liaise with immediate scrum team, other scrum/… Experience and expertise with the following technical stack * Angular 13+ with DevExtreme UI library desirable * Playwright, ReadyAPI and Specflow. * Jira, Github, Confluence * Nice to have - * C# and .NET6+ * Rest API's and Microservice architecture * SQL Server Database, NHibernate or Entity Framework Demonstrate expertise of: * * Building modern-web applications * Modern UI design principles. i.e. Able to take initial design direction and interpret those guidelines to finalise the design through to a solution * Restful APIDesign and development fundamentals * Good SQL knowledge * Test case preparation and execution EDUCATION & EXPERIENCE REQUIREMENTS * * 8-10 years' experience designing and developing applications both individually and as part of a team * Familiarity with energy or financial trading environment * Strong inter-personal More ❯
that support financial services and products. You should be able to write clean, scalable, and secure code and be comfortable working in a fastpaced, highly collaborative environment. Key Responsibilities: Design, develop, and maintain scalable web applications using Python and Django Build and optimise backend services, APIs, and database schemas for performance and scalability Work closely with product, design … expertise in Django framework Solid experience with SQL and/or PostgreSQL, including performance tuning and complex queries Prior experience in the FinTech industry is required Familiarity with RESTful APIdesign and integration Understanding of data privacy, security standards, and regulatory compliance relevant to FinTech Experience with version control systems like Git Good communication skills and ability to More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Signify Technology
that support financial services and products. You should be able to write clean, scalable, and secure code and be comfortable working in a fastpaced, highly collaborative environment. Key Responsibilities: Design, develop, and maintain scalable web applications using Python and Django Build and optimise backend services, APIs, and database schemas for performance and scalability Work closely with product, design … expertise in Django framework Solid experience with SQL and/or PostgreSQL, including performance tuning and complex queries Prior experience in the FinTech industry is required Familiarity with RESTful APIdesign and integration Understanding of data privacy, security standards, and regulatory compliance relevant to FinTech Experience with version control systems like Git Good communication skills and ability to More ❯
London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
our talented team of developers. You’ll work on cutting-edge financial technology products, collaborating closely with a multidisciplinary team to deliver robust, efficient, and secure solutions. Key Responsibilities Design, develop, and maintain high-performance, scalable software solutions using Java and AWS. Collaborate with stakeholders to gather requirements and translate them into technical solutions. Contribute to the full software … development lifecycle, including design, development, testing, and deployment. Optimize applications for maximum speed and scalability. Ensure code quality through peer reviews, unit testing, and adherence to best practices. Troubleshoot, debug, and resolve technical issues in production and development environments. Mentor junior developers and provide technical leadership within the team. Key Requirements Proven experience as a Software Engineer, with a … strong focus on Java (Spring Boot preferred). Hands-on experience with AWS services, including but not limited to EC2, S3, Lambda, and RDS. Solid understanding of RESTful APIdesign and enterprise microservices. Experience with database technologies such as PostgreSQL or MySQL. Familiarity with modern CI/CD practices and tools like Jenkins, GitHub Actions, or similar. Strong More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
own the strategic architectural direction and implementation, ensuring our platform is scalable, secure, and aligned with the rapidly evolving AI landscape. Key Responsibilities Provide visionary architectural leadership for the design, development, and delivery of a new generation AI-driven SaaS platform. Lead, mentor, and manage a team of Senior Full-Stack Developers and engineers, fostering a culture of technical … of commercial software development experience, with at least 3 years in a senior or technical lead role. Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms in a production environment. Strong understanding and practical application of … experience integrating AI tools, APIs, or platforms into software solutions. Domain experience in Recruitment Technology, HRTech, or closely related fields is a must. Proficient in software architecture, microservices, RESTful APIdesign, and cloud-native development (AWS, Azure, or GCP preferred). Experience with CI/CD pipelines, automated testing, and DevOps practices. Solid grasp of security best practices More ❯
London, England, United Kingdom Hybrid / WFH Options
Reed.ai
own the strategic architectural direction and implementation, ensuring our platform is scalable, secure, and aligned with the rapidly evolving AI landscape. Key Responsibilities Provide visionary architectural leadership for the design, development, and delivery of a new generation AI-driven SaaS platform. Lead, mentor, and manage a team of Senior Full-Stack Developers and engineers, fostering a culture of technical … of commercial software development experience, with at least 3 years in a senior or technical lead role. Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms in a production environment. Strong understanding and practical application of … experience integrating AI tools, APIs, or platforms into software solutions. Domain experience in Recruitment Technology, HRTech, or closely related fields is a must. Proficient in software architecture, microservices, RESTful APIdesign, and cloud-native development (AWS, Azure, or GCP preferred). Experience with CI/CD pipelines, automated testing, and DevOps practices. Solid grasp of security best practices More ❯
London, England, United Kingdom Hybrid / WFH Options
Resident Advisor Ltd
applications Experience writing performant SQL Modern JavaScript ES2018+ TDD and all aspects of testing from unit through to integration Familiarity with CI/CD pipelines Mobile-first web development APIdesign and consumption Agile practices Desirable Skills Experience in a strongly-typed object oriented language such as C# or Java Typescript NestJS .NET Core GraphQL Elasticsearch React hooks More ❯
London, England, United Kingdom Hybrid / WFH Options
Onyx-Conseil
Senior Backend Software Engineer (C# .NET Core) - Revolutionise Healthcare with REST APIDesign! Are you ready to make a monumental impact in the healthcare industry? We're looking for a Senior/Lead Backend Software Engineer with a strong focus on REST APIdesign to join our forward-thinking team. Reporting directly to the Vice President … Excellent Benefits + Share Options Reporting To: Vice President of Software Development Your Mission: Collaborate with a cross-functional team of Frontend Developers, QA Engineers, and DevOps Engineers to design secure, scalable REST API endpoints that will revolutionise clinical research applications. This critical role requires extensive experience in REST API design. You will also develop relational database … schemas and work within a containerized microservice platform. Key Responsibilities: REST APIDesign & Implementation: Develop and maintain REST APIs using C# and .NET Core SDK. Database Mastery: Design relational database schemas, utilize Entity Framework (ORM), manage database migrations, and work with PostgreSQL. Microservices: Containerize microservices using Docker. Collaboration: Partner with DevOps Engineers on CI pipelines. Mentorship: Guide More ❯
applications using React, TypeScript, and Node.js (We use Nest.js and Next.js). Ensure seamless interactions between the frontend and backend, delivering a highly responsive and intuitive user experience. Enhance API & Backend Services for AI Agents – Design, implement, and maintain secure, high-performance APIs that integrate with AI agent systems and LLMs (OpenAI, Anthropic Claude, or similar). Develop … robust API endpoints to facilitate real-time AI interactions and automation workflows.. Work with AI & LLM Tools - Implement retrieval-augmented generation (RAG) pipelines, fine- tune LLM prompts, and integrate AI-driven decision-making into the product. Experiment with vector databases (Weaviate, Pinecone, FAISS) to enhance model retrieval capabilities. Build and optimise UI Components - Work with Storybook and component-driven … development to create a reusable, scalable design system that ensures consistency, accessibility, and responsiveness across the platform. Collaborate with the Product Lead to refine UI/UX based on real-time user feedback and behavioural analytics. Ensure Security, Testing & Performance Optimisation – Implement SOC 2-compliant security best practices, including data encryption, role-based access control (RBAC), and secure APIMore ❯
with containerisation (Docker/Kubernetes). Support implementation of authentication systems (OAuth 2.0, Auth0, AWS Cognito). Gain exposure to security best practices (e.g., OWASP). Work on RESTful APIdesign and consumption. Collaborate on version control practices using Git, documentation, and code reviews. Desired Skills: Passion for software development and continuous learning. Some frontend experience with JavaScript … Python or Node.js. Understanding of databases (relational and NoSQL). Familiarity with cloud platforms (AWS/Azure) is a plus. Exposure to Docker/Kubernetes is advantageous. Understanding of API integration and security fundamentals. Experience or interest in OCR and NLP is beneficial. Knowledge of version control (e.g., Git). Education & Experience: Degree in computer science, software engineering, or More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Haystack
with containerisation (Docker/Kubernetes). Support implementation of authentication systems (OAuth 2.0, Auth0, AWS Cognito). Gain exposure to security best practices (e.g., OWASP). Work on RESTful APIdesign and consumption. Collaborate on version control practices using Git, documentation, and code reviews. Desired Skills: Passion for software development and continuous learning. Some frontend experience with JavaScript … Python or Node.js. Understanding of databases (relational and NoSQL). Familiarity with cloud platforms (AWS/Azure) is a plus. Exposure to Docker/Kubernetes is advantageous. Understanding of API integration and security fundamentals. Experience or interest in OCR and NLP is beneficial. Knowledge of version control (e.g., Git). Education & Experience: Degree in computer science, software engineering, or More ❯
London, England, United Kingdom Hybrid / WFH Options
Trimble
for a Generative AI Lead/Principal Python Engineers to help build LLM-based agentic applications. As a Lead/Principle Software Engineer specializing in Generative AI, you will design, develop, and maintain cutting-edge LLM-based agentic applications. This role requires hands-on expertise in frameworks such as LangChain or LangGraph (or comparable frameworks), and techniques including prompt … that this is a fast evolving field, it’s important to keep track of the latest advancements in fine-tuning, RLHF, and prompt engineering advancements such as DSPy. System Design & Architecture: Translate high-level product requirements into scalable, modular software designs that adhere to modern design principles, microservices architecture, and cloud-native best practices. Testing & Integration: Develop comprehensive … conduct rigorous quality assurance. Collaboration & Mentorship: Collaborate with cross-functional stakeholders, including business analysts, product managers, and global development teams. Mentor junior engineers, guiding them through LLM-based solution design, implementation, and deployment. Agile Delivery: Work in an agile environment, planning and executing sprints, meeting strict deadlines, and efficiently handling production issues across multiple time zones. CI/CD More ❯