1 to 25 of 34 API Design Jobs in the South East

Solution Architect | API Design | Client-Facing | Hybrid (2 Days Onsite in Central London) | £105,000-£110,000 + 15% Discretionary Bonus Method Resourcing is thrilled to be partnering with a global leader in the travel industry who are hiring a Client-facing Solution Architect to join a high-performing architectual team. This is a brand-new role, created … role that balances strong software knowledge with excellent stakeholder management and communication. What you'll be doing: Lead client-facing solution architecture discussions - mapping technical needs to platform capabilities Design and communicate system architecture diagrams, data flows, and API integrations Build prototypes and proof-of-concepts to test ideas and drive alignment Translate complex requirements into clear deliverables … for both technical and non-technical audiences Collaborate closely with internal engineering and product teams to ensure smooth handover and scalable design Skills and experience we are looking for: Strong software development background (any modern language or stack) Hands-on experience in solution architecture and API design Ability to build and communicate technical diagrams, flows, and documentation More ❯

Role Description: Working with the Project Manager, architects, clients & other stakeholders to implement MuleSoft APIs. This role will require knowledge of MuleSoft's Anypoint Studio & Anypoint Platform, which includes Design Center, Runtime Manager, API Manager, Exchange, etc. You must be capable of understanding business requirements, working with stakeholders & implementing complex integrations. Responsibilities: Designing & developing integration solutions using MuleSoft … modules. Collaborating with other developers & stakeholders to understand business requirements & translate them into integration solutions. Required Skills: Good experience of: integration concepts & technologies. MuleSoft Anypoint Platform & components (Mule ESB, API Manager, CloudHub, etc.) Java programming & experience with other programming languages such as XML, JSON, SQL Agile software development methodologies. Cloud-based integration platforms such as Amazon Web Services (AWS … or Microsoft Azure. API design and development. Knowledge of RESTful web services, SOAP, & other integration protocols Familiarity with API design & development best practices Strong problem-solving skills & ability to troubleshoot integration issues. Good communication & teamwork skills Strong understanding of Agile development methodologies & experience working in an Agile environment Nice to Have Skills: Experience with cloud platforms More ❯

Requirements: 4 - 8 years of commercial experience designing and developing applications both individually and as part of a team. Proven experience of working within commodities trading or financial services. Design, develop, enhance, and maintain applications using agreed coding standards and quality targets. Liaise with immediate scrum team, other scrum/project teams, line manager and development lead to ensure … complete delivery. Required Skills: C# and .NET6+ Rest APIs incorporated with SQL Server or Sybase DB Angular 13+ with Dev Extreme UI library desirable, Typescript, HTML5, CSS3 Playwright, Ready API, and Spec flow. Restful API Design and development fundamentals. Modern UI design principles. i.e. Able to take initial design direction and interpret those guidelines to … finalise the design through to a solution. Good SQL knowledge. Functional and functional-reactive programming in Typescript. If this sounds like an interesting opportunity please feel free to apply or reach me at More ❯

up—within a startup-style venture backed by the strength and stability of an established business. Key Responsibilities End-to-end development of high-quality, scalable SaaS platforms from design through deployment and maintenance. Architect and implement robust backend services primarily using Python and PostgreSQL. Develop and maintain responsive, performant front-end applications with TypeScript and modern frameworks (e.g. … development productivity and platform capabilities. Provide technical mentorship and leadership to development teams, fostering best practices in coding, testing, and deployment. Participate in code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast of emerging technologies and industry … 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 More ❯

up-within a startup-style venture backed by the strength and stability of an established business. Key Responsibilities End-to-end development of high-quality, scalable SaaS platforms from design through deployment and maintenance. Architect and implement robust backend services primarily using Python and PostgreSQL. Develop and maintain responsive, performant front-end applications with TypeScript and modern frameworks (e.g. … development productivity and platform capabilities. Provide technical mentorship and leadership to development teams, fostering best practices in coding, testing, and deployment. Participate in code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast of emerging technologies and industry … 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 More ❯

AWS, Azure, GCP) Proficiency in front end e.g., React, Angular, Vue.js and frameworks such as e.g., Node.js or FastAPI. Experience with databases such as MongoDB and MySQL. Familiarity with API design and development, including serverless technologies, e.g. AWS ECS/API Gateway/Lambda. A passion for space technology and a genuine interest in the space sector More ❯

across teams. Success in this position requires not only technical proficiency but also excellent interpersonal skills to thrive in an environment that values teamwork, knowledge sharing, and mutual support. * Design, code, test, and deliver software enhancements aimed at improving existing systems by adopting DevOps principles across all cloud database offerings.* Troubleshoot complex incidents efficiently, communicate effectively with stakeholders at … is advantageous for scaling operations smoothly.* Knowledge of leveraging APIs securely along with authentication mechanisms and data structures enhances your ability to integrate systems seamlessly.* Understanding microservice architectures, REST API design/development principles, Docker/Kubernetes containerisation technologies, and CI/CD integration is beneficial. Robert Walters Operations Limited is an employment business and employment agency and More ❯

titles Competitive salary and benefits Working as part of the DTL Team to ensure the implementation of the Dovetail Live roadmap Champion the development of the Dovetail Live backend API services across the entire lifecycle: Design, Development, Documentation, Testing and long-term Support Work closely with game development teams in providing in-game online functionality Work with teams … Professional experience with relational databases and ORMs Good software engineering skills, with an ability to program clearly, efficiently Strong understanding of, and experience in, server-side web development including: API Design and Development, Security Best Practices, Performanceoptimisation, Service-Oriented Architecture Experience with, or willingness to learn: NodeJS, TypeScript and the NestJS framework, BDD, using CucumberJS and Gherkin, Unit More ❯

on the hunt for 2 experienced Senior Machine Learning Operation Engineers to join our Data Function. You'll play a significant role within our Data Function, working on the design and implementation of machine learning model engineering frameworks, solutions, and best practices. You'll be technically proficient in machine learning and its applications; you'll demonstrate an understanding of … skills Ability to diagnose and troubleshoot problems quickly Excellent problem-solving and analytic skills Powering the business with the right tools What's involved: You'll contribute to the design and implementation of Machine Learning Engineering standards and frameworks. You'll support model development, with an emphasis on auditability, versioning, and data security. You'll implement automated data science … model testing and validation. You'll assist in the optimisation of deployed ML model scoring code in production services. You'll assist in the design and implementation of data pipelines and engineering infrastructure to embed scaled machine learning solutions. You'll use CI/CD pipelines, manage the deployment and version management of large numbers of data science models More ❯

have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical … Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯

Automotive Technology Solutions Client : Major automotive industry leader via global consultancy partnership Technical Requirements Backend Development C# .NET Framework/Core - Extensive experience developing robust, scalable backend services RESTful API Development - Design and implementation of web APIs Microservices Architecture - Understanding of distributed systems and service-oriented architecture Frontend Development Blazor - Proficiency in Blazor Server and/or Blazor … Strong experience including hooks, state management, and modern development practices JavaScript/TypeScript - Advanced knowledge of modern JavaScript and TypeScript HTML5/CSS3 - Solid understanding of web standards, responsive design, and cross-browser compatibility Database Technologies Oracle (Preferred) - Database development, PL/SQL, and performance optimization SQL Server (Alternative) - T-SQL and database design experience acceptable Entity Framework … driven development (TDD) Performance optimization and scalability techniques Content Management Systems knowledge Key Responsibilities Develop and maintain full stack applications using C# .NET backend with Blazor/React frontend Design and implement database solutions using Oracle/SQL Server Collaborate with cross-functional teams including UX/UI designers and business analysts Participate in code reviews and maintain high More ❯

Automotive Technology Solutions Client : Major automotive industry leader via global consultancy partnership Technical Requirements Backend Development C# .NET Framework/Core - Extensive experience developing robust, scalable backend services RESTful API Development - Design and implementation of web APIs Microservices Architecture - Understanding of distributed systems and service-oriented architecture Frontend Development Blazor - Proficiency in Blazor Server and/or Blazor … Strong experience including hooks, state management, and modern development practices JavaScript/TypeScript - Advanced knowledge of modern JavaScript and TypeScript HTML5/CSS3 - Solid understanding of web standards, responsive design, and cross-browser compatibility Database Technologies Oracle (Preferred) - Database development, PL/SQL, and performance optimization SQL Server (Alternative) - T-SQL and database design experience acceptable Entity Framework … driven development (TDD) Performance optimization and scalability techniques Content Management Systems knowledge Key Responsibilities Develop and maintain full stack applications using C# .NET backend with Blazor/React frontend Design and implement database solutions using Oracle/SQL Server Collaborate with cross-functional teams including UX/UI designers and business analysts Participate in code reviews and maintain high More ❯

Automotive Technology Solutions Client : Major automotive industry leader via global consultancy partnership Technical Requirements Backend Development C# .NET Framework/Core - Extensive experience developing robust, scalable backend services RESTful API Development - Design and implementation of web APIs Microservices Architecture - Understanding of distributed systems and service-oriented architecture Frontend Development Blazor - Proficiency in Blazor Server and/or Blazor … Strong experience including hooks, state management, and modern development practices JavaScript/TypeScript - Advanced knowledge of modern JavaScript and TypeScript HTML5/CSS3 - Solid understanding of web standards, responsive design, and cross-browser compatibility Database Technologies Oracle (Preferred) - Database development, PL/SQL, and performance optimization SQL Server (Alternative) - T-SQL and database design experience acceptable Entity Framework … driven development (TDD) Performance optimization and scalability techniques Content Management Systems knowledge Key Responsibilities Develop and maintain full stack applications using C# .NET backend with Blazor/React frontend Design and implement database solutions using Oracle/SQL Server Collaborate with cross-functional teams including UX/UI designers and business analysts Participate in code reviews and maintain high More ❯

and production-grade digital solutions for the financial services sector. This is a hands-on engineering role ideal for someone with deep expertise in Java, Spring Boot, and secure API design , and who thrives in fast-paced, client-facing environments. The successful candidate will play a key role in shaping backend architecture, driving secure service delivery, and contributing … to engineering standards across engagements. Key Responsibilities Design and develop backend services using Java and Spring Boot Architect and implement secure APIs using OAuth2, FAPI, OpenID Connect Ensure backend services are performant, scalable, and resilient Collaborate with frontend, DevOps, and QA teams to deliver integrated solutions Participate in architecture reviews, technical design sessions, and stakeholder workshops Champion modern … architectures and messaging systems (e.g., Kafka) Exposure to Infrastructure as Code (e.g., Terraform, Ansible) Familiarity with observability tools and performance tuning Ability to mentor junior engineers and lead backend design initiatives Engagement Model Outside IR35 12-month initial contract with potential for extension or permanent employment Hybrid working model: minimum 2 days onsite in London, with flexibility to travel More ❯

Solutions Architect (Integration | API Design) St Albans (Hybrid) Compensation: £95,000 +Bonus +Equity Method Resourcing are proud to be partnering with a fast-growing, international technology business delivering critical services across multiple high-reliability sectors. They're seeking a Solutions Architect to lead the end-to-end technical design of mission-critical platforms and services. The Role … We're seeking an experienced Solution Architect to design scalable, secure, and efficient technology solutions that support a major systems consolidation and migration programme. You will be responsible for planning and documenting the decommissioning of up to 30 disparate systems, and overseeing their seamless migration to a new, unified platform - ensuring zero downtime throughout. In addition, you'll lead … Review implementations to ensure compliance with technical standards Drive innovation through prototyping and evaluation of emerging technologies What We're Looking For: Proven experience in Solution Architecture or Solution Design, ideally in environments involving systems consolidation or major technology transformations Proficiency in cloud platforms, API development, message buses, DevOps practices, and languages such as C#, Python, or PHP More ❯

per year Requirements Approximately 5 years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot Deep understanding of RESTful API design and integration Experience with Agile methodologies (Scrum or Kanban), TDD, and pair programming practices Experience with CI/CD pipelines and automation tooling Knowledge of Docker, Kubernetes More ❯

customer expectations 1. Code Review & Best Practices Conduct in-depth reviews of codebases to identify issues, inefficiencies, and potential security vulnerabilities. Provide recommendations on best practices, including coding standards, design patterns, and maintainability improvements. Support performance optimisation through refactoring and improved architecture. Support testing and QA process. 2. Cloud Infrastructure Support & Design Assist in designing, implementing, and optimising … goals. Provide recommendations on system architecture, tools, and frameworks. Identify opportunities for automation and process improvements. 4. Software Architecture & Development Strategy Advise on scalable and efficient system architectures Support API design, integrations, and data flow strategies. Recommend suitable technology stacks for new projects or modernisation efforts. 5. Security & Compliance Assess application security risks and provide remediation strategies. Ensure More ❯

a particular area, there's room to grow and make a meaningful impact. This role also offers the chance to engage with the foundational aspects of software architecture - navigating API design, migrations, versioning, usability, backwards compatibility, and managing dependencies. If you've ever aspired to grow into a software architect, this is the kind of environment that makes … it real. You will: Work closely with engineering teams to design robust CI/CD pipelines for a large autonomy code base, whilst thinking about how we will manage and update those software systems in production. Understand and maintain the core libraries of our autonomy software, closely working with the team to triage and prioritise support requests. Review new … written and verbal communication skills to a variety of technical and less technical audiences. Extra kudos if you have: Experience with conan, the C++ package manager. Understanding of software design and architecture. Experience in mentoring junior software engineers. The Candidate Journey: Multi-Step and Two-Way No-one wants to feel like a square peg in a round hole More ❯

be working closely with your product managers, product owners, engineering leaders, your team and other stakeholders. You will be leading developers, quality engineers and partnering with CloudOps, TechOps, UX Design other cross-functional functional groups to evolve our solutions while continuing to improve your teams’ adoption of SDLC processes, CI/CD integration, code quality & automation test coverage. Primary … efficiencies, improvements, challenges, remediation needs Correlate, report, and drive the adoption of Process/Continuous Improvement initiatives Recruit & provide leadership, coaching & career planning for engineering talent Be accountable for design decisions for new and existing application development, proactively escalating issues and seeking assistance to overcome obstacles Partner with Product Management to consult on solution feasibility and high-level effort … technology adoption and framework improvement, analyzing trends, patterns and best practices for software Serve as the evangelist and custodian of technology, architecture, and product development practices Participate in the design & implementation of production cloud grade services supporting high availability Qualifications 5+ years of experience leading software engineers for product development Experience managing capitalized software processes Preferred: experience with managing More ❯

be working closely with your product managers, product owners, engineering leaders, your team and other stakeholders. You will be leading developers, quality engineers and partnering with CloudOps, TechOps, UX Design other cross-functional functional groups to evolve our solutions while continuing to improve your teams adoption of SDLC processes, CI/CD integration, code quality & automation test coverage. Primary … efficiencies, improvements, challenges, remediation needs Correlate, report, and drive the adoption of Process/Continuous Improvement initiatives Recruit & provide leadership, coaching & career planning for engineering talent Be accountable for design decisions for new and existing application development, proactively escalating issues and seeking assistance to overcome obstacles Partner with Product Management to consult on solution feasibility and high-level effort … technology adoption and framework improvement, analyzing trends, patterns and best practices for software Serve as the evangelist and custodian of technology, architecture, and product development practices Participate in the design & implementation of production cloud grade services supporting high availability Actively talent manage your team providing career planning & performance improvement activities when needed Qualifications 5+ years of experience leading software More ❯

be working closely with your product managers, product owners, engineering leaders, your team and other stakeholders. You will be leading developers, quality engineers and partnering with CloudOps, TechOps, UX Design other cross-functional functional groups to evolve our solutions while continuing to improve your teams' adoption of SDLC processes, CI/CD integration, code quality & automation test coverage. Key … efficiencies, improvements, challenges, remediation needs Correlate, report, and drive the adoption of Process/Continuous Improvement initiatives Recruit & provide leadership, coaching & career planning for engineering talent Be accountable for design decisions for new and existing application development, proactively escalating issues and seeking assistance to overcome obstacles Partner with Product Management to consult on solution feasibility and high-level effort … technology adoption and framework improvement, analyzing trends, patterns and best practices for software Serve as the evangelist and custodian of technology, architecture, and product development practices Participate in the design & implementation of production cloud grade services supporting high availability Actively talent manage your team providing career planning & performance improvement activities when needed Qualifications 5+ years of experience leading software More ❯

Key Responsibilities: Manage, mentor, and motivate a skilled development team across a broad tech stack. Design and develop scalable, secure, and high-quality software in line with architectural standards. Uphold and enhance coding and testing standards through peer reviews and automated/manual testing. Lead initiatives to improve efficiency, reduce technical debt, and modernise systems. Collaborate with Delivery/… improvement. Skills: Relevant degree or equivalent experience. Expert-level proficiency in: .NET Core , C# , Angular , Azure Cloud Terraform , Azure Container Apps , Azure Data Factory , DataVerse SQL Server (T-SQL) , API Design & Development Strong analytical skills with the ability to solve complex technical issues. Proven leadership with excellent stakeholder engagement at all levels. Experience in Agile methodologies. Adaptable and More ❯

architecture, and delivering meaningful impact in data-driven transformations, this is an opportunity to lead from the front. Key Responsibilities Lead complex agile consulting projects focused on data architecture design and delivery Advise technology leaders on modern best practices in data management Develop cloud-based enterprise data platforms using AWS, Azure, or GCP Define services and frameworks that enable … management, automation, and network architecture Tech Domains Cloud Platforms: AWS, Azure, GCP Data Management: Metadata tools, privacy frameworks, security architecture Modelling: ER, Contextual, Semantic, Logical/Physical Orchestration & Integration: API design, DevOps support, cloud-native workflows Why Join? Work on high-impact transformation projects with top-tier global banks Join an agile, innovation-focused culture with flat structure More ❯

You'll need working experience with scaled software architecture & domain: performance, redundancy, failover, clustering etc. You'll also need working experience with source code management patterns and proficiency in API design, development & production. They are embracing AWS here, so previous experience in the Cloud and working with pipelines and containers will serve you well. Same goes for an More ❯

exposure to cyber security risk is avoided. What skills and knowledge are we looking for? Building web applications on a Java technology stack with a React front end. RESTful API design and implementation. Experience with test-driven development and test automation frameworks and tools. Experience with infrastructure-as-code technologies such as Terraform. Experience of working in Agile … software development teams and across the full software development life cycle. Experience of building solutions using Liferay DXP would be beneficial. Azure Integration Services (API Management, Service Bus, Event Hub). Knowledge of Microsoft Identity Management solutions (Azure AD, Azure AD B2C). Cloud computing architectures and fundamentals like security, performance, and scalability, with experience of working with cloud More ❯