21 of 21 API Development Jobs in the South East

This is an exciting opportunity to join a growing, well-established technology company working on modern web applications in a collaborative and forward-thinking development environment. The office is located next to Milton Keynes train station, making commuting simple and convenient. About the Role As a PHP Developer … team responsible for building, maintaining and improving high-quality web applications used by clients across the UK. You will be involved in the full development lifecycle, contributing to architecture, development, and continuous improvement of the platform. Responsibilities Building, maintaining and improving high-quality web applications Involvement ...

keeping SQL Server and Azure SQL performing well. Clean architecture, SOLID principles and writing testable, maintainable code matter here. As well as your own development work, you'll contribute to code reviews, help shape technical standards, provide some light-touch mentoring to less experienced developers and engage directly with … stakeholders. Not a management role - but you'll have influence. Key Experience: 5+ years commercial .NET development Strong ASP.NET Core including MVC and API development Experience building Android apps with .NET MAUI or Xamarin.Forms Good OOP and software design skills, comfortable thinking about architecture Solid Entity Framework ...

experience in Node.js , C#/.NET Core , and Vue 3 . You’re well-versed in cloud platforms ( Google Cloud is essential ), have strong API development skills, and are experienced with payment platform integrations (e.g., Stripe , PayPal ). Experience with multi-tenant platforms is a must Your Role …/.NET Core , and Vue 3 . Strong experience in cloud platforms , preferably Google Cloud (AWS/Azure experience is welcomed). Expertise in API development and experience with payment platform integrations (e.g., Stripe , PayPal ). Solid understanding of cloud-native architecture and scalability . Experience with building ...

will use your knowledge of systems architecture and design to guide your team to develop sustainable, scalable solutions. You will also coordinate the development of new interfaces and tools alongside the maintenance of existing tools and codebases including migration of these to new technologies and infrastructure. Your knowledge … databases, developing websites and working with big data (gigabyte to terabyte scale) In-depth knowledge of the following: software engineering, relational databases, service provision, API development, standards, software development best practices Project management and staff management experience Experience contributing to budget management and managing grants, including grant ...

world, the business continues to invest heavily in its engineering teams as it expands its product platform. This role sits within the Brighton-based development team and offers the opportunity to play a key role in designing, building, and maintaining high-quality software across a modern product ecosystem, spanning … user interfaces, API services, mobile applications, and cloud platforms. You’ll act as a senior technical contributor within the team, helping guide engineering standards while remaining hands-on with development. The position also offers the opportunity to mentor other engineers and contribute to architectural decisions as the platform evolves. ...

React, Node.js, Terraform or Celery Strong database design and optimisation experience If you’re a Senior Engineer looking for a role combining hands-on development, technical ownership, and real-world impact, this is worth a conversation. Hit apply today! Keywords Senior Software Engineer, Python Developer, Django, Flask, JavaScript, TypeScript … React, Node.js, AWS, Azure, GCP, Cloud Engineer, Backend Developer, Full Stack Developer, Microservices, API Development, CI/CD, DevOps, Terraform, Celery, Data Engineering, Renewable Energy Tech, Technical Leadership, Software Architecture, Scalable Systems, Leeds Jobs, London Jobs, Hybrid Jobs, Tech Jobs ...

Improved performance and reliability of key product areas Helped shape engineering practices around code quality, testing, and maintainability Tech Stack: TypeScript/JavaScript Node.js (API development) React, Next.js AWS Serverless (Lambda, API Gateway) Vercel SQL Server Algolia CI/CD (TeamCity) You Might Be a Good ...

financial markets environment. This is a true player-coach role - leading a high-performing Agile team while remaining actively involved in architecture, design, and development of distributed, cloud-native systems supporting Rates & FX platforms. Key Skills Required: Strong C#/.NET Core expertise Experience with distributed, event-driven, cloud … native architectures REST/GraphQL API development AWS or Azure cloud deployment Relational databases (MSSQL/MySQL) Proven experience leading engineering teams in Agile environments Exposure to trading systems, FIX protocol, WPF, microservices, or serverless architecture is highly desirable. If you're a delivery-focused technical leader ...

IR35 Day rate: Up to £600 per day Duration: Initial 3 months but will most likely extend Start date: ASAP Key words: ElementSuite, Integration, API, Dataflows We are looking for a HRIS system Integration Engineer to connect our Clients core HRIS (ElementSuite) with their AI recruitment tool (Talent.AI … data flow, writing the middleware or scripts to sync these systems, and ensuring that data remains secure and accurate across all platforms. Core Responsibilities - API Development & Mapping: Use REST APIs to create seamless data synchronisation between ElementSuite, Aslan, and Talent.AI. - Workflow Automation: Automate the _Hire-to-Onboard_ journey ...

IR35 Day rate: Up to £600 per day Duration: Initial 3 months but will most likely extend Start date: ASAP Key words: ElementSuite, Integration, API, Dataflows We are looking for a HRIS system Integration Engineer to connect our Clients core HRIS (ElementSuite) with their AI recruitment tool (Talent.AI … data flow, writing the middleware or scripts to sync these systems, and ensuring that data remains secure and accurate across all platforms. Core Responsibilities - API Development & Mapping: Use REST APIs to create seamless data synchronisation between ElementSuite, Aslan, and Talent.AI. - Workflow Automation: Automate the _Hire-to-Onboard_ journey ...

going to the office 1-2 days per week, therefore applicants must be within a commutable distance. Technical Requirements C#/.NET Blazor Azure API Development Entity Framework SQL TDD/BDD Desirables SaaS/multi-tenancy experience Azure DevOps and CI/CD pipelines Please apply ...

skills: Minimum 4 years' commercial C# .NET experience. Strong SQL/MySQL skills (including complex queries). Experience with VueJS and/or Angular. API development and third-party integrations. AWS experience. Desirable skills: AI integration experience (e.g. OpenAI). Use of AI tools (e.g. Claude) in development ...

heights with a game-changing SaaS platform already making waves across the UK, Europe, and North America. This isn't just a development role - you'll have a genuine voice in shaping the product, the architecture, and the direction of the company. At Debt Register , we're not just … Haymarket, SSE, Zendesk, Johnson Controls, ADT and More... Culture: Informality and Flexibility, Work-Life Balance, Wellbeing, Personal Growth and Trust Your Skills: Laravel (Backend Development). React & TypeScript. Fintech SaaS. AI/OpenAI API Integration. MySQL & API Development. Docker & CI/CD. ...

Help shape the long-term engineering team and technical roadmap Experience Requires- Senior Technical Lead 5+ years software engineering experience Strong Python backend and API development Experience building production systems in startups or fast-moving environments Experience with data-heavy platforms or analytics products Interest in AI, modelling ...

having an influence over the technical strategy whilst remaining hands on in architecture and engineering. Experience required: Strong background in modern .NET/C# development & architecture. A track record of leading and mentoring teams of engineers. AWS experience including; IAM, Lambda, API Gateway and event-driven architectures … environments. Experience with Angular framework, REST APIs and Web API development. Experience with testing frameworks and quality engineering practices (unit & integration testing and test driven development). SpecFlow for Behaviour-Driven Development and Postman for API testing. Experience building and maintaining CI/CD pipelines. Knowledge ...

seeking a skilled Java Developer to join our engineering team and contribute to the design, development, and maintenance of high-quality, scalable software solutions. The ideal candidate has strong experience in core Java, modern frameworks, API development, and cloud-based architectures. You will work closely with product ...

experience leading engineering teams in an Agile environment Strong expertise in C# and modern .NET/.NET Core Experience building distributed, event-driven systems API design and development (REST, GraphQL) Relational databases (SQL Server, MySQL, or similar) Cloud platforms such as AWS or Azure Solid understanding … full software development lifecycle Pragmatic, delivery-focused approach with strong communication skills Location & Package Location: London Working Pattern: Hybrid - 3 days per week in the office Salary: Up to £125,000 base + bonus and benefits McGregor Boyall is an equal opportunity employer and do not discriminate ...

standards Conduct code reviews and contribute to engineering best practices within the team Integrate with RESTful APIs and Back End services, working closely with API developers Troubleshoot and resolve performance issues, crashes, and production defects Support Google Play Store submission processes and manage release cycles Contribute to technical documentation … architecture decisions, and sprint ceremonies Essential Skills & Experience Strong experience in native Android development using Kotlin (Java experience also valued) Solid understanding of Android SDK, Android Studio, and the Google development ecosystem Experience with common Android architectural patterns (eg MVVM, MVI, Clean Architecture) Proficiency with Android frameworks such ...

standards Conduct code reviews and contribute to engineering best practices within the team Integrate with RESTful APIs and Back End services, working closely with API developers Troubleshoot and resolve performance issues, crashes, and production defects Support App Store submission processes and manage release cycles Contribute to technical documentation, architecture … decisions, and sprint ceremonies Essential Skills & Experience Strong experience in native iOS development using Swift Solid understanding of iOS SDK, Xcode, and the Apple development ecosystem Experience with common iOS architectural patterns (eg MVVM, VIPER, Clean Architecture) Proficiency with iOS frameworks such as UIKit, SwiftUI, Combine, Core Data ...

Dynamics 365 Senior Developer - London OverviewWe are seeking an experienced Dynamics 365 Senior Developer to lead the design, development, and delivery of Microsoft Dynamics 365 solutions. This London-based role is ideal for someone with strong technical expertise and excellent collaboration skills, working closely with stakeholders, architects, and functional … customise Dynamics 365 CE/CRM solutions.* Build and maintain plugins, workflows, custom actions, JavaScript, Power Automate flows, and system integrations.* Lead full lifecycle development from technical design through to deployment.* Partner with functional consultants to translate business needs into robust technical solutions.* Develop and maintain integrations using APIs ...

aligned with business goals. What They Are Looking For Degree in Computer Science, Information Systems, or related field. Minimum 3 years' experience in software development, with strong skills in SharePoint, SQL Server, and the .NET environment. Proficiency in C#, ASP.NET MVC/Core, and web API development. Experience … with front-end frameworks and modern development practices. Strong problem-solving skills and ability to manage multiple projects. Excellent communication and collaboration skills. Why Apply? This is a fantastic opportunity to join a prestigious global organization that values innovation and offers a collaborative, forward-thinking environment. You'll work ...