1 to 25 of 74 API Design Jobs in the South East

Solution Architect - Client-facing | TypeScript | API Design | 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 architectural team. This is a brand-new role … 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 (ideally TypeScript and Node) Hands-on experience in solution architecture and API design Ability to build and communicate technical diagrams, flows, and documentation Strong More ❯

Halian Technology are searching for an Interim API Integrations Specialist to join our client's forward-thinking technology team. Our client is a dynamic and rapidly growing energy supplier based in Oxfordshire, committed to driving business success through smart, reliable energy solutions. Our client challenges the existing marketplace with a tech-driven, customer-focused approach and foster a culture … designing cutting-edge integrations, delivering high-quality solutions, and want to work in a company where your expertise is valued and supportedthis is the role for you. Key Responsibilities: Design, develop, and maintain API integrations between internal systems and external SaaS platforms. Collaborate with product, data, and engineering teams to identify integration requirements and deliver robust solutions. Monitor … and troubleshoot integration workflows, ensuring data consistency across platforms. Translate business requirements into technical specifications for system connectivity. Build and maintain API documentation, providing guidance on integration best practices. Ensure all integrations meet compliance, security, and performance standards. Work closely with SaaS vendors and partners to coordinate technical efforts. Key Requirements: Essential: Strong expertise in digital engineering, CMS design More ❯

Overview: We are seeking a technically proficient Data Analyst to join our IT Department. This role will focus on API design and systems integrations , playing a vital part in enabling data-driven decision-making and ensuring seamless data exchange across internal and external platforms. Key Responsibilities: Design, document, and maintain APIs to facilitate secure and efficient data … BI, Azure Foundry, and Fabric . Ensure data quality, compliance, and governance across all integrations. Support automation efforts by embedding APIs into existing workflows. Work closely with vendors to design solutions aligned with architectural standards and best practices. Key Skills & Experience: Proven experience in a Data Analyst or similar technical role. Strong hands-on experience with RESTful API design , documentation (Swagger/OpenAPI), and testing tools (e.g. Postman). Proficiency in SQL and scripting languages such as Python or R . Solid understanding of data modelling, ETL processes , and system integration . Experience working with Azure and Microsoft data tools including Power BI , Azure Foundry , and Fabric . Excellent communication skills and ability to engage effectively More ❯

between development and operations by automating workflows, optimizing CI/CD pipelines, and ensuring reliable, scalable, and secure software delivery. This role requires a deep understanding of cloud infrastructure, API management, and continuous integration and deployment practices. Candidate should be SC Cleared/SC Eligible Responsibilities Build, deploy, and monitor solutions using AWS services such as Lambda, API Gateway, CloudWatch, ECS, ECR, DynamoDB, and S3. Integrate APIs into CI/CD pipelines using Azure DevOps and GitHub workflows. Design, develop, and manage applications tailored to business requirements. Execute and manage the end-to-end application lifecycle using Apigee Edge and X-API strategy. Perform API strategy execution, provide technical support, and generate insights through … pipelines. Solid understanding of build and deployment methodologies for distributed systems. Experience with enterprise-grade web applications and system integration. Strong knowledge of the Apigee platform or any APM (API Management) platform and its components. Ability to generate custom analytical reports for API consumption and error tracking. Familiarity with API security and access control mechanisms (OAuth, API More ❯

between development and operations by automating workflows, optimizing CI/CD pipelines, and ensuring reliable, scalable, and secure software delivery. This role requires a deep understanding of cloud infrastructure, API management, and continuous integration and deployment practices. Candidate should be SC Cleared/SC Eligible Responsibilities Build, deploy, and monitor solutions using AWS services such as Lambda, API Gateway, CloudWatch, ECS, ECR, DynamoDB, and S3. Integrate APIs into CI/CD pipelines using Azure DevOps and GitHub workflows. Design, develop, and manage applications tailored to business requirements. Execute and manage the end-to-end application lifecycle using Apigee Edge and X-API strategy. Perform API strategy execution, provide technical support, and generate insights through … pipelines. Solid understanding of build and deployment methodologies for distributed systems. Experience with enterprise-grade web applications and system integration. Strong knowledge of the Apigee platform or any APM (API Management) platform and its components. Ability to generate custom analytical reports for API consumption and error tracking. Familiarity with API security and access control mechanisms (OAuth, API More ❯

between development and operations by automating workflows, optimizing CI/CD pipelines, and ensuring reliable, scalable, and secure software delivery. This role requires a deep understanding of cloud infrastructure, API management, and continuous integration and deployment practices. Candidate should be SC Cleared/SC Eligible Responsibilities Build, deploy, and monitor solutions using AWS services such as Lambda, API Gateway, CloudWatch, ECS, ECR, DynamoDB, and S3. Integrate APIs into CI/CD pipelines using Azure DevOps and GitHub workflows. Design, develop, and manage applications tailored to business requirements. Execute and manage the end-to-end application lifecycle using Apigee Edge and X-API strategy. Perform API strategy execution, provide technical support, and generate insights through … pipelines. Solid understanding of build and deployment methodologies for distributed systems. Experience with enterprise-grade web applications and system integration. Strong knowledge of the Apigee platform or any APM (API Management) platform and its components. Ability to generate custom analytical reports for API consumption and error tracking. Familiarity with API security and access control mechanisms (OAuth, API More ❯

professional services organisation is looking for a technically proficient Data Analyst to join the IT Department within the Strategy & Architecture Team. This role will have a strong focus on API design and integrations between systems. This role is critical in enabling data-driven decision-making and ensuring seamless data exchange across internal systems and external platforms. Key Responsibilities … Analyse and interpret complex datasets to support IT operations and strategic initiatives. Design, document, and maintain APIs that facilitate secure and efficient integration of data between systems. Create data dictionaries that describe data structures, elements, their meanings, and relationships within a dataset or database. Create Business Glossary and describe business terms, and their definitions, ensuring they are consistent across … fields. Essential Requirements Demonstrated experience in data analysis within an IT or technical environment. Strong proficiency in SQL and scripting languages including Python or R. Practical experience with RESTful API design, documentation (e.g. Swagger/OpenAPI), and testing tools (e.g. Postman). Working knowledge of cloud platforms (primarily Azure) and associated data services. Strong understanding of data modelling More ❯

professional services organisation is looking for a technically proficient Data Analyst to join the IT Department within the Strategy & Architecture Team. This role will have a strong focus on API design and integrations between systems. This role is critical in enabling data-driven decision-making and ensuring seamless data exchange across internal systems and external platforms. Key Responsibilities … Analyse and interpret complex datasets to support IT operations and strategic initiatives. Design, document, and maintain APIs that facilitate secure and efficient integration of data between systems. Create data dictionaries that describe data structures, elements, their meanings, and relationships within a dataset or database. Create Business Glossary and describe business terms, and their definitions, ensuring they are consistent across … fields. Essential Requirements Demonstrated experience in data analysis within an IT or technical environment. Strong proficiency in SQL and scripting languages including Python or R. Practical experience with RESTful API design, documentation (e.g. Swagger/OpenAPI), and testing tools (e.g. Postman). Working knowledge of cloud platforms (primarily Azure) and associated data services. Strong understanding of data modelling More ❯

professional services organisation is looking for a technically proficient Data Analyst to join the IT Department within the Strategy & Architecture Team. This role will have a strong focus on API design and integrations between systems. This role is critical in enabling data-driven decision-making and ensuring seamless data exchange across internal systems and external platforms. Key Responsibilities … Analyse and interpret complex datasets to support IT operations and strategic initiatives. Design, document, and maintain APIs that facilitate secure and efficient integration of data between systems. Create data dictionaries that describe data structures, elements, their meanings, and relationships within a dataset or database. Create Business Glossary and describe business terms, and their definitions, ensuring they are consistent across … fields. Essential Requirements Demonstrated experience in data analysis within an IT or technical environment. Strong proficiency in SQL and scripting languages including Python or R. Practical experience with RESTful API design, documentation (e.g. Swagger/OpenAPI), and testing tools (e.g. Postman). Working knowledge of cloud platforms (primarily Azure) and associated data services. Strong understanding of data modelling More ❯

responsibilities Build, deploy, and monitor solutions using AWS services (Lambda, APIGateway, CloudWatch, ECS, ECR, Dynamo, S3 etc.) Integrate APIs into CI/CD pipelines using Azure DevOps, Github workflows Design, deploy, and manage applications tailored to business needs, whilecustomizing platforms and overseeing the full API lifecycle using Apigee Edge and X.Drive API strategy execution, provide technical support … integrations and documentation. Key skills for this role Security & Compliance:o Implement and enforce security best practices across the platform, includingsecure coding, dependency management, and vulnerability scanning.o Ensure API security and access control using OAuth, API keys, JWT, and othermechanisms.o Monitor and remediate security vulnerabilities in third-party packages andlibraries.o Collaborate with security teams to align platform … Automate upgrade workflows using CI/CD pipelines and infrastructure-as-code tools. Infrastructure & DevOps:o Hands-on experience with Terraform and Ansible for infrastructureprovisioning and configuration management.o Design and manage Azure DevOps CI/CD pipelines for secure and efficientsoftware delivery.o Deploy microservices using AWS ECS, ECR, and Fargate, ensuring secure andscalable architecture. Development & Containerization:o More ❯

deployment. Manage infrastructure, monitor performance,and collaborate across teams to maintain scalable, secure, and resilient systems. Key role and responsibilities Build, deploy, and monitor solutions using AWS services (Lambda, API Gateway, CloudWatch, ECS, ECR, Dynamo, S3 etc.) Integrate APIs into CI/CD pipelines using Azure DevOps, Github workflows Design, deploy, and manage applications tailored to business needs … while customizing platforms and overseeing the full API lifecycle using Apigee Edge and X. Drive API strategy execution, provide technical support, and generate insights through analytics to enhance integrations and documentation. Key skills for this role Hands-on experience with infrastructure-as-code tools (e.g. Terraform, Ansible) is a must Proficiency with AWS cloud tools and architecture, including … based web applications Strong analytical and problem-solving skills Good knowledge of the Apigee platform or any APIM platform and its components Ability to generate custom analytics reports for API consumption and errors Implementation of API security and access control (OAuth, API keys, JWT, etc.) Familiarity with API design patterns, best practices, and performance optimization More ❯

ll join a high-performing cloud team supporting enterprise clients in designing and delivering secure, scalable integrations on AWS. You'll work across modern architectures, leveraging containerisation, event-driven design, and API-first principles to solve complex integration challenges. Key Responsibilities Architect and implement AWS integrations using EKS (Kubernetes) and Lambda . Design and manage secure REST …/GraphQL APIs via API Gateway , including authentication, throttling, and schema validation. Integrate with enterprise platforms such as SAP, Salesforce, Oracle ERP for both batch and real-time data flows. Build event-driven messaging architectures using SQS, SNS , and Step Functions . Apply best practices in Kubernetes and API security , including TLS, KMS, RBAC , and service-to-service … X-Ray , and container-level logging and alerting tools. What We're Looking For 5+ years of AWS integration experience, including secure deployments on Lambda and EKS . Strong API design and security expertise (OpenAPI, OAuth2, JWT). Proven integration experience with SAP, Salesforce, Oracle . Proficiency in Flask, FastAPI , or similar frameworks in cloud-native environments. Experience 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, optimisation, 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 ❯

in London Security Clearance: Active SC The Data Architect will have the following responsibilities: Collaborate with business and technology stakeholders to translate business problems into scalable data architecture solutions. Design, document, and maintain enterprise and solution-level data architectures across multiple platforms and domains. Define and enforce data standards, principles, and governance frameworks to ensure consistency and quality. Develop … and physical data models aligned with business needs and organisational strategy. Select appropriate data storage, integration, and processing technologies for each project’s context. Evaluate emerging tools, technologies, and design patterns to recommend optimal solutions. Guide the design and implementation of data platforms using cloud and hybrid environments (e.g. Azure, AWS). Oversee the design of data … pipelines, APIs, and services to ensure efficient data flow and interoperability. Collaborate with Data Engineers and Developers to ensure alignment between architectural design and technical implementation. Ensure compliance with security, privacy, and data protection requirements. Provide technical input into proposals, bids, and solution designs. Act as a trusted advisor to clients, communicating technical concepts clearly to non-technical audiences. More ❯

in London Security Clearance: Active SC The Data Architect will have the following responsibilities: Collaborate with business and technology stakeholders to translate business problems into scalable data architecture solutions. Design, document, and maintain enterprise and solution-level data architectures across multiple platforms and domains. Define and enforce data standards, principles, and governance frameworks to ensure consistency and quality. Develop … and physical data models aligned with business needs and organisational strategy. Select appropriate data storage, integration, and processing technologies for each project’s context. Evaluate emerging tools, technologies, and design patterns to recommend optimal solutions. Guide the design and implementation of data platforms using cloud and hybrid environments (e.g. Azure, AWS). Oversee the design of data … pipelines, APIs, and services to ensure efficient data flow and interoperability. Collaborate with Data Engineers and Developers to ensure alignment between architectural design and technical implementation. Ensure compliance with security, privacy, and data protection requirements. Provide technical input into proposals, bids, and solution designs. Act as a trusted advisor to clients, communicating technical concepts clearly to non-technical audiences. More ❯

in London Security Clearance: Active SC The Data Architect will have the following responsibilities: Collaborate with business and technology stakeholders to translate business problems into scalable data architecture solutions. Design, document, and maintain enterprise and solution-level data architectures across multiple platforms and domains. Define and enforce data standards, principles, and governance frameworks to ensure consistency and quality. Develop … and physical data models aligned with business needs and organisational strategy. Select appropriate data storage, integration, and processing technologies for each project’s context. Evaluate emerging tools, technologies, and design patterns to recommend optimal solutions. Guide the design and implementation of data platforms using cloud and hybrid environments (e.g. Azure, AWS). Oversee the design of data … pipelines, APIs, and services to ensure efficient data flow and interoperability. Collaborate with Data Engineers and Developers to ensure alignment between architectural design and technical implementation. Ensure compliance with security, privacy, and data protection requirements. Provide technical input into proposals, bids, and solution designs. Act as a trusted advisor to clients, communicating technical concepts clearly to non-technical audiences. More ❯

in power, gas, and oil markets: Ideally you will have 10+ years development experience) with a track record of delivering robust enterprise-wide solutions using industry standard practices Modern design principles. i.e. able to take initial design direction and interpret those guidelines to finalize the design through to a solution and experience of working in an Agile …/Scrum team environment In-depth knowledge of Openlink Endur (versions V19-V23 preferred), as well as API design and development fundamentals and with API testing using tools such as Swagger Good SQL/Sybase skills; building modern applications with C# Strong hands-on development experience with: AVS, OpenJVS, Open Components, Java, SQL, C#, Python Connex Gateways More ❯

in power, gas, and oil markets: Ideally you will have 10+ years development experience) with a track record of delivering robust enterprise-wide solutions using industry standard practices Modern design principles. i.e. able to take initial design direction and interpret those guidelines to finalize the design through to a solution and experience of working in an Agile …/Scrum team environment In-depth knowledge of Openlink Endur (versions V19-V23 preferred), as well as API design and development fundamentals and with API testing using tools such as Swagger Good SQL/Sybase skills; building modern applications with C# Strong hands-on development experience with: AVS, OpenJVS, Open Components, Java, SQL, C#, Python Connex Gateways More ❯

in power, gas, and oil markets: Ideally you will have 10+ years development experience) with a track record of delivering robust enterprise-wide solutions using industry standard practices Modern design principles. i.e. able to take initial design direction and interpret those guidelines to finalize the design through to a solution and experience of working in an Agile …/Scrum team environment In-depth knowledge of Openlink Endur (versions V19-V23 preferred), as well as API design and development fundamentals and with API testing using tools such as Swagger Good SQL/Sybase skills; building modern applications with C# Strong hands-on development experience with: AVS, OpenJVS, Open Components, Java, SQL, C#, Python Connex Gateways More ❯

Back End Developer The Company Working for a business that brings content creators and investment together... You’ll help to design new, and support existing, integration processes while maintaining a principle of continuous improvement. You’ll use your knowledge of Azure to lead the development of web applications and platform elements and improve the performance and quality of existing … solutions. You'll use your communication skills to effectively collaborate with fellow team members to coordinate workload and ensure timely completion. The Role Design, develop, and maintain RESTful APIs and microservices to support platform functionality Build and optimise database schemas, queries, and data models for performance and scalability Implement secure authentication and authorization mechanisms including OAuth2 and SSO integrations … Experience 3-5 years of professional back-end development experience Strong proficiency in C# and .NET Core/ASP.NET Core Experience with Azure cloud services Solid understanding of RESTful API design principles and implementation Experience with SQL databases (Azure SQL, SQL Server) and T-SQL Knowledge of software design patterns and SOLID principles Experience with version control More ❯

our Forward Deployed Engineering Team. You will serve as the crucial link between our advanced AI agents and the wider enterprise technology landscape. Your primary responsibility will be to design, build, and manage the integrations that enable our Agentforce agents to take meaningful, autonomous actions across various business systems. You will not only connect agents to systems but also … in connecting disparate systems and are excited by the challenge of enabling AI to act upon its insights, this role is for you. Your Impact System & Agent Integration Architecture: Design and implement robust, scalable, and secure integration patterns that connect Agentforce to a wide range of enterprise applications and enable communication between different AI agents. Multi-Agent Orchestration: Design … agents. Agent-to-Agent Communication (A2A): Develop and implement protocols and standards for inter-agent communication, enabling different AI agents to collaborate, share information, and hand off tasks effectively. API Development and Management: Develop, deploy, and maintain custom APIs (REST, SOAP) to facilitate seamless data exchange and action execution between Agentforce and other systems. Workflow Automation: Collaborate with business More ❯

Full Stack Engineer/Technical Lead We are looking for multiple (Mid-Senior-Lead) Full Stack/Back End Engineers to join our high-calibre engineering team. You will design, build, and maintain the core services and APIs that power our proprietary platform, with opportunities to contribute to both back-end and front-end codebases, and explore AI & LLMs … help drive the next evolution of our platform, designing architecture, managing engineers and shaping how we integrate AI and large language models into our products and workflows. You will design, implement, and maintain scalable back-end services and APIs (primarily in Go, with Python for scripting and data). You lead by example, build fast and help shape our … technical roadmap. As a mid-senior software engineer, you will take full lifecycle ownership of end-to-end delivery — from technical design and implementation through to testing, deployment, and monitoring. Contribute to front-end code (VueJS) as needed, supporting a collaborative, full stack environment. Work with relational databases (Postgres) and NoSQL solutions (e.g., MongoDB, Redis). Participate in architectural More ❯

Full Stack Engineer/Technical Lead We are looking for multiple (Mid-Senior-Lead) Full Stack/Back End Engineers to join our high-calibre engineering team. You will design, build, and maintain the core services and APIs that power our proprietary platform, with opportunities to contribute to both back-end and front-end codebases, and explore AI & LLMs … help drive the next evolution of our platform, designing architecture, managing engineers and shaping how we integrate AI and large language models into our products and workflows. You will design, implement, and maintain scalable back-end services and APIs (primarily in Go, with Python for scripting and data). You lead by example, build fast and help shape our … technical roadmap. As a mid-senior software engineer, you will take full lifecycle ownership of end-to-end delivery — from technical design and implementation through to testing, deployment, and monitoring. Contribute to front-end code (VueJS) as needed, supporting a collaborative, full stack environment. Work with relational databases (Postgres) and NoSQL solutions (e.g., MongoDB, Redis). Participate in architectural More ❯

Responsibilities Develop and maintain scalable software solutions using languages such as Java, C++, or Python. Build responsive user interfaces with HTML, CSS, JavaScript, and frameworks like React or Angular. Design and implement RESTful APIs and integrate third-party services. Work with databases including MySQL, PostgreSQL, or MongoDB to support data-driven applications. Contribute to system architecture with a focus … development skills with HTML, CSS, JavaScript, and experience with frameworks like React or Angular. Solid understanding of database systems and experience with SQL or NoSQL databases. Knowledge of RESTful API design and microservices architecture. Familiarity with Git and version control workflows. Preferred Skills Experience with Agile methodologies and tools like Jira. Familiarity with CI/CD pipelines and More ❯

Responsibilities Develop and maintain scalable software solutions using languages such as Java, C++, or Python. Build responsive user interfaces with HTML, CSS, JavaScript, and frameworks like React or Angular. Design and implement RESTful APIs and integrate third-party services. Work with databases including MySQL, PostgreSQL, or MongoDB to support data-driven applications. Contribute to system architecture with a focus … development skills with HTML, CSS, JavaScript, and experience with frameworks like React or Angular. Solid understanding of database systems and experience with SQL or NoSQL databases. Knowledge of RESTful API design and microservices architecture. Familiarity with Git and version control workflows. Preferred Skills Experience with Agile methodologies and tools like Jira. Familiarity with CI/CD pipelines and More ❯