API Design Jobs in the South East

1 to 25 of 108 API Design Jobs in the South East

API Architect

Winchester, Hampshire, United Kingdom
iPipeline
protected veteran status. We are committed to building a supportive and inclusive environment for all employees. This is an office-based position. Responsibilities An API Architect leads the design of complex integration solutions, using deep technical expertise to shape high-performance systems. They play a key role in … ensuring that solutions align with broader organizational objectives. This role requires significant leadership in driving integration strategy across the enterprise. Job Responsibilities : Strategic Alignment: Design and lead the development of enterprise API architectures that align with business goals and objectives. Work with leadership and stakeholders to ensure APIs … align with organizational strategies and meet evolving business needs. API Design & Development: Lead the design of robust, scalable, and high-performance APIs that integrate multiple internal systems. Establish API development best practices, including design patterns, error handling, authentication, and security mechanisms. Drive the adoption of More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Java Developer

london, south east england, united kingdom
Hybrid / WFH Options
James Adams
drive technical excellence, establish coding standards, and optimise real-time services for a fast-growing platform. You’ll be responsible for backend architecture, microservices design, database management (SQL), and cloud integration (AWS) while collaborating with designers, engineers, and product teams to deliver world-class gaming solutions. Key Responsibilities ✔ Develop … Lead – Drive the development of scalable, interactive gaming products using Java (11+), Scala & Spring Boot . ✔ Microservices & API DesignDesign and implement modular microservices architecture with 3-tier API design . ✔ Cloud & DevOps – Work within an AWS environment (supported by an in-house DevOps team … experience (currently using Java 21). ✅ SQL Database Proficiency – Strong experience with SQL databases (PostgreSQL preferred). ✅ Microservices & Cloud – Deep knowledge of microservices architecture, API design, and AWS . ✅ Spring Boot & Scala – Nice to have but not essential. ✅ Betting, Gaming, or Big Data Background – Experience in real-time More ❯
Posted:

Azure (API) Integration Engineer

london, south east england, united kingdom
The Change Partners - Global talent specialists for a connected world
The Change Partners are working with a tier-1 Beverage brand who are hiring for a Azure (API) Integration Engineer. The Azure Specialist will be responsible in desiging integration strategies for a variety of systems internally, creating efficiencies across data flows and ensuring seamless API implementation. Key responsibilities … OAuth2 and Cloud) integration development. Partner with technology and business teams to define requirements for integration and align to business objectives. Lead on integration design solutions and API patterns. Be the 'go to' specialist for platform integration, working with Product owner. Manage end to end lifecycle development of … the product from a design, build, deployment and operational management of the platform. Ensure platform/product is developed efficiently and reliably in line with company policies. Become hands on with API integration patterns, REST, SOAP, cloud and wider architectures, components, visualisation of networks and autonomy. Work with More ❯
Posted:

Back End Developer

london, south east england, united kingdom
Haystack
company helping clients engage in marketing strategies with audiences in virtual worlds. Your Focus: As a Senior Backend Engineer focused on Data Pipelines and API Optimisation, you’ll be central to our platform's performance and scalability. You’ll design, build, and iterate on the systems that handle … delivery - ensuring they are scalable, reliable, and performant. You should have a strong background in backend engineering, particularly around distributed systems, database optimisation, and API development. You’ll work with technologies like JavaScript and TypeScript to build robust services that meet high standards for performance and reliability. This role … is ideal for someone experienced, self-driven, and excited about leading backend projects involving large-scale data handling and API improvements. Your technical leadership will help evolve our infrastructure and mentor other engineers as we scale. Skills, Knowledge, and Expertise Experience 5+ years in Backend Software Engineering, with a More ❯
Posted:

Lead Software Engineer

Reigate, Surrey, United Kingdom
Willis Towers Watson
quality standards. Provide technical oversight, guidance and leadership to the team (including code quality, best practices, processes, some aspects of release management, etc.). Design and document solutions meeting functional and non-functional requirements. Lead by example by getting directly involved in the day-to-day delivery of work … for this position are: Practical experience of designing and developing management and control plane solutions for line of business applications. This includes Stack Management, API Design and User Experience. Practical and commercial experience with the full SaaS development lifecycle: requirements capture and analysis, estimation, architecture and design, implementation, unit and system-level testing, deployment, operation and monitoring. Experience with software engineering best practices: object-oriented design and implementation, design patterns, SOLID principles and Agile methodology. Conduct PoC's using the latest technologies and present the findings to technical and non-technical audiences. Experience with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Solutions Architect

london, south east england, united kingdom
Hybrid / WFH Options
Impellam Group
to define target state architecture and roadmap. Transactional Banking Experience (Payments, Governance, Compliance) Proficient in defining the target state architecture, roadmap and high-level design for the assigned scope based on business outcomes and aligned with the bank's strategy. The target state architecture and solution should cover all … Proficient in Cash Management & Liquidity domain along with deep understanding of integration to Payments and Core Banking platforms. Proficient in Cloud Native Architecture, Microservices design patterns, API design, Event-Driven Architecture and Database concepts. Expected to have good understanding of monolithic to microservices migration. Responsibilities – Current state More ❯
Posted:

Senior Python Developer ( Serverless/AWS Lambda)

woking, south east england, united kingdom
Hybrid / WFH Options
Ocho
This role is pivotal in shaping the product's backend foundation - particularly for high-scale, data-driven APIs and event-driven infrastructure. Key Responsibilities: * Design and develop cloud-native backend services using Python and AWS Lambda * Build scalable microservices and event-driven systems using SQS, SNS, and EventBridge * Contribute … to API development (REST/GraphQL) and data integration pipelines * Collaborate with cross-functional teams on architecture and system design * Interface with frontend engineers (Vue.js stack) and data platform engineers (Snowflake, Airflow) * Help define and implement CI/CD pipelines and observability practices * Support a feedback-driven culture … software engineering experience, ideally in a SaaS or cloud-first environment * Strong Python backend development experience * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Experience building distributed systems and event-driven architecture * Familiarity with GraphQL APIs and scalable API design * Exposure to cloud observability More ❯
Posted:

Senior Python Developer ( Serverless/AWS Lambda)

brighton, south east england, united kingdom
Hybrid / WFH Options
Ocho
This role is pivotal in shaping the product's backend foundation - particularly for high-scale, data-driven APIs and event-driven infrastructure. Key Responsibilities: * Design and develop cloud-native backend services using Python and AWS Lambda * Build scalable microservices and event-driven systems using SQS, SNS, and EventBridge * Contribute … to API development (REST/GraphQL) and data integration pipelines * Collaborate with cross-functional teams on architecture and system design * Interface with frontend engineers (Vue.js stack) and data platform engineers (Snowflake, Airflow) * Help define and implement CI/CD pipelines and observability practices * Support a feedback-driven culture … software engineering experience, ideally in a SaaS or cloud-first environment * Strong Python backend development experience * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Experience building distributed systems and event-driven architecture * Familiarity with GraphQL APIs and scalable API design * Exposure to cloud observability More ❯
Posted:

Senior Python Developer ( Serverless/AWS Lambda)

basingstoke, south east england, united kingdom
Hybrid / WFH Options
Ocho
This role is pivotal in shaping the product's backend foundation - particularly for high-scale, data-driven APIs and event-driven infrastructure. Key Responsibilities: * Design and develop cloud-native backend services using Python and AWS Lambda * Build scalable microservices and event-driven systems using SQS, SNS, and EventBridge * Contribute … to API development (REST/GraphQL) and data integration pipelines * Collaborate with cross-functional teams on architecture and system design * Interface with frontend engineers (Vue.js stack) and data platform engineers (Snowflake, Airflow) * Help define and implement CI/CD pipelines and observability practices * Support a feedback-driven culture … software engineering experience, ideally in a SaaS or cloud-first environment * Strong Python backend development experience * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Experience building distributed systems and event-driven architecture * Familiarity with GraphQL APIs and scalable API design * Exposure to cloud observability More ❯
Posted:

Senior Python Developer ( Serverless/AWS Lambda)

slough, south east england, united kingdom
Hybrid / WFH Options
Ocho
This role is pivotal in shaping the product's backend foundation - particularly for high-scale, data-driven APIs and event-driven infrastructure. Key Responsibilities: * Design and develop cloud-native backend services using Python and AWS Lambda * Build scalable microservices and event-driven systems using SQS, SNS, and EventBridge * Contribute … to API development (REST/GraphQL) and data integration pipelines * Collaborate with cross-functional teams on architecture and system design * Interface with frontend engineers (Vue.js stack) and data platform engineers (Snowflake, Airflow) * Help define and implement CI/CD pipelines and observability practices * Support a feedback-driven culture … software engineering experience, ideally in a SaaS or cloud-first environment * Strong Python backend development experience * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Experience building distributed systems and event-driven architecture * Familiarity with GraphQL APIs and scalable API design * Exposure to cloud observability More ❯
Posted:

Senior Python Developer ( Serverless/AWS Lambda)

reading, south east england, united kingdom
Hybrid / WFH Options
Ocho
This role is pivotal in shaping the product's backend foundation - particularly for high-scale, data-driven APIs and event-driven infrastructure. Key Responsibilities: * Design and develop cloud-native backend services using Python and AWS Lambda * Build scalable microservices and event-driven systems using SQS, SNS, and EventBridge * Contribute … to API development (REST/GraphQL) and data integration pipelines * Collaborate with cross-functional teams on architecture and system design * Interface with frontend engineers (Vue.js stack) and data platform engineers (Snowflake, Airflow) * Help define and implement CI/CD pipelines and observability practices * Support a feedback-driven culture … software engineering experience, ideally in a SaaS or cloud-first environment * Strong Python backend development experience * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Experience building distributed systems and event-driven architecture * Familiarity with GraphQL APIs and scalable API design * Exposure to cloud observability More ❯
Posted:

Senior Python Developer ( Serverless/AWS Lambda)

southampton, south east england, united kingdom
Hybrid / WFH Options
Ocho
This role is pivotal in shaping the product's backend foundation - particularly for high-scale, data-driven APIs and event-driven infrastructure. Key Responsibilities: * Design and develop cloud-native backend services using Python and AWS Lambda * Build scalable microservices and event-driven systems using SQS, SNS, and EventBridge * Contribute … to API development (REST/GraphQL) and data integration pipelines * Collaborate with cross-functional teams on architecture and system design * Interface with frontend engineers (Vue.js stack) and data platform engineers (Snowflake, Airflow) * Help define and implement CI/CD pipelines and observability practices * Support a feedback-driven culture … software engineering experience, ideally in a SaaS or cloud-first environment * Strong Python backend development experience * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Experience building distributed systems and event-driven architecture * Familiarity with GraphQL APIs and scalable API design * Exposure to cloud observability More ❯
Posted:

Senior Python Developer ( Serverless/AWS Lambda)

london, south east england, united kingdom
Hybrid / WFH Options
Ocho
This role is pivotal in shaping the product's backend foundation - particularly for high-scale, data-driven APIs and event-driven infrastructure. Key Responsibilities: * Design and develop cloud-native backend services using Python and AWS Lambda * Build scalable microservices and event-driven systems using SQS, SNS, and EventBridge * Contribute … to API development (REST/GraphQL) and data integration pipelines * Collaborate with cross-functional teams on architecture and system design * Interface with frontend engineers (Vue.js stack) and data platform engineers (Snowflake, Airflow) * Help define and implement CI/CD pipelines and observability practices * Support a feedback-driven culture … software engineering experience, ideally in a SaaS or cloud-first environment * Strong Python backend development experience * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Experience building distributed systems and event-driven architecture * Familiarity with GraphQL APIs and scalable API design * Exposure to cloud observability More ❯
Posted:

Senior Python Developer ( Serverless/AWS Lambda)

dartford, south east england, united kingdom
Hybrid / WFH Options
Ocho
This role is pivotal in shaping the product's backend foundation - particularly for high-scale, data-driven APIs and event-driven infrastructure. Key Responsibilities: * Design and develop cloud-native backend services using Python and AWS Lambda * Build scalable microservices and event-driven systems using SQS, SNS, and EventBridge * Contribute … to API development (REST/GraphQL) and data integration pipelines * Collaborate with cross-functional teams on architecture and system design * Interface with frontend engineers (Vue.js stack) and data platform engineers (Snowflake, Airflow) * Help define and implement CI/CD pipelines and observability practices * Support a feedback-driven culture … software engineering experience, ideally in a SaaS or cloud-first environment * Strong Python backend development experience * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Experience building distributed systems and event-driven architecture * Familiarity with GraphQL APIs and scalable API design * Exposure to cloud observability More ❯
Posted:

Senior Python Developer ( Serverless/AWS Lambda)

guildford, south east england, united kingdom
Hybrid / WFH Options
Ocho
This role is pivotal in shaping the product's backend foundation - particularly for high-scale, data-driven APIs and event-driven infrastructure. Key Responsibilities: * Design and develop cloud-native backend services using Python and AWS Lambda * Build scalable microservices and event-driven systems using SQS, SNS, and EventBridge * Contribute … to API development (REST/GraphQL) and data integration pipelines * Collaborate with cross-functional teams on architecture and system design * Interface with frontend engineers (Vue.js stack) and data platform engineers (Snowflake, Airflow) * Help define and implement CI/CD pipelines and observability practices * Support a feedback-driven culture … software engineering experience, ideally in a SaaS or cloud-first environment * Strong Python backend development experience * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Experience building distributed systems and event-driven architecture * Familiarity with GraphQL APIs and scalable API design * Exposure to cloud observability More ❯
Posted:

Senior Python Developer ( Serverless/AWS Lambda)

high wycombe, south east england, united kingdom
Hybrid / WFH Options
Ocho
This role is pivotal in shaping the product's backend foundation - particularly for high-scale, data-driven APIs and event-driven infrastructure. Key Responsibilities: * Design and develop cloud-native backend services using Python and AWS Lambda * Build scalable microservices and event-driven systems using SQS, SNS, and EventBridge * Contribute … to API development (REST/GraphQL) and data integration pipelines * Collaborate with cross-functional teams on architecture and system design * Interface with frontend engineers (Vue.js stack) and data platform engineers (Snowflake, Airflow) * Help define and implement CI/CD pipelines and observability practices * Support a feedback-driven culture … software engineering experience, ideally in a SaaS or cloud-first environment * Strong Python backend development experience * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Experience building distributed systems and event-driven architecture * Familiarity with GraphQL APIs and scalable API design * Exposure to cloud observability More ❯
Posted:

Senior Python Developer ( Serverless/AWS Lambda)

maidstone, south east england, united kingdom
Hybrid / WFH Options
Ocho
This role is pivotal in shaping the product's backend foundation - particularly for high-scale, data-driven APIs and event-driven infrastructure. Key Responsibilities: * Design and develop cloud-native backend services using Python and AWS Lambda * Build scalable microservices and event-driven systems using SQS, SNS, and EventBridge * Contribute … to API development (REST/GraphQL) and data integration pipelines * Collaborate with cross-functional teams on architecture and system design * Interface with frontend engineers (Vue.js stack) and data platform engineers (Snowflake, Airflow) * Help define and implement CI/CD pipelines and observability practices * Support a feedback-driven culture … software engineering experience, ideally in a SaaS or cloud-first environment * Strong Python backend development experience * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Experience building distributed systems and event-driven architecture * Familiarity with GraphQL APIs and scalable API design * Exposure to cloud observability More ❯
Posted:

Senior Python Developer ( Serverless/AWS Lambda)

south west london, south east england, united kingdom
Hybrid / WFH Options
Ocho
This role is pivotal in shaping the product's backend foundation - particularly for high-scale, data-driven APIs and event-driven infrastructure. Key Responsibilities: * Design and develop cloud-native backend services using Python and AWS Lambda * Build scalable microservices and event-driven systems using SQS, SNS, and EventBridge * Contribute … to API development (REST/GraphQL) and data integration pipelines * Collaborate with cross-functional teams on architecture and system design * Interface with frontend engineers (Vue.js stack) and data platform engineers (Snowflake, Airflow) * Help define and implement CI/CD pipelines and observability practices * Support a feedback-driven culture … software engineering experience, ideally in a SaaS or cloud-first environment * Strong Python backend development experience * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Experience building distributed systems and event-driven architecture * Familiarity with GraphQL APIs and scalable API design * Exposure to cloud observability More ❯
Posted:

Senior Python Developer ( Serverless/AWS Lambda)

portsmouth, hampshire, south east england, united kingdom
Hybrid / WFH Options
Ocho
This role is pivotal in shaping the product's backend foundation - particularly for high-scale, data-driven APIs and event-driven infrastructure. Key Responsibilities: * Design and develop cloud-native backend services using Python and AWS Lambda * Build scalable microservices and event-driven systems using SQS, SNS, and EventBridge * Contribute … to API development (REST/GraphQL) and data integration pipelines * Collaborate with cross-functional teams on architecture and system design * Interface with frontend engineers (Vue.js stack) and data platform engineers (Snowflake, Airflow) * Help define and implement CI/CD pipelines and observability practices * Support a feedback-driven culture … software engineering experience, ideally in a SaaS or cloud-first environment * Strong Python backend development experience * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Experience building distributed systems and event-driven architecture * Familiarity with GraphQL APIs and scalable API design * Exposure to cloud observability More ❯
Posted:

Senior Python Developer ( Serverless/AWS Lambda)

west london, south east england, united kingdom
Hybrid / WFH Options
Ocho
This role is pivotal in shaping the product's backend foundation - particularly for high-scale, data-driven APIs and event-driven infrastructure. Key Responsibilities: * Design and develop cloud-native backend services using Python and AWS Lambda * Build scalable microservices and event-driven systems using SQS, SNS, and EventBridge * Contribute … to API development (REST/GraphQL) and data integration pipelines * Collaborate with cross-functional teams on architecture and system design * Interface with frontend engineers (Vue.js stack) and data platform engineers (Snowflake, Airflow) * Help define and implement CI/CD pipelines and observability practices * Support a feedback-driven culture … software engineering experience, ideally in a SaaS or cloud-first environment * Strong Python backend development experience * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Experience building distributed systems and event-driven architecture * Familiarity with GraphQL APIs and scalable API design * Exposure to cloud observability More ❯
Posted:

Senior Python Developer ( Serverless/AWS Lambda)

oxford district, south east england, united kingdom
Hybrid / WFH Options
Ocho
This role is pivotal in shaping the product's backend foundation - particularly for high-scale, data-driven APIs and event-driven infrastructure. Key Responsibilities: * Design and develop cloud-native backend services using Python and AWS Lambda * Build scalable microservices and event-driven systems using SQS, SNS, and EventBridge * Contribute … to API development (REST/GraphQL) and data integration pipelines * Collaborate with cross-functional teams on architecture and system design * Interface with frontend engineers (Vue.js stack) and data platform engineers (Snowflake, Airflow) * Help define and implement CI/CD pipelines and observability practices * Support a feedback-driven culture … software engineering experience, ideally in a SaaS or cloud-first environment * Strong Python backend development experience * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Experience building distributed systems and event-driven architecture * Familiarity with GraphQL APIs and scalable API design * Exposure to cloud observability More ❯
Posted:

Senior Python Developer ( Serverless/AWS Lambda)

milton keynes, south east england, united kingdom
Hybrid / WFH Options
Ocho
This role is pivotal in shaping the product's backend foundation - particularly for high-scale, data-driven APIs and event-driven infrastructure. Key Responsibilities: * Design and develop cloud-native backend services using Python and AWS Lambda * Build scalable microservices and event-driven systems using SQS, SNS, and EventBridge * Contribute … to API development (REST/GraphQL) and data integration pipelines * Collaborate with cross-functional teams on architecture and system design * Interface with frontend engineers (Vue.js stack) and data platform engineers (Snowflake, Airflow) * Help define and implement CI/CD pipelines and observability practices * Support a feedback-driven culture … software engineering experience, ideally in a SaaS or cloud-first environment * Strong Python backend development experience * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Experience building distributed systems and event-driven architecture * Familiarity with GraphQL APIs and scalable API design * Exposure to cloud observability More ❯
Posted:

Senior Python Developer ( Serverless/AWS Lambda)

crawley, west sussex, south east england, united kingdom
Hybrid / WFH Options
Ocho
This role is pivotal in shaping the product's backend foundation - particularly for high-scale, data-driven APIs and event-driven infrastructure. Key Responsibilities: * Design and develop cloud-native backend services using Python and AWS Lambda * Build scalable microservices and event-driven systems using SQS, SNS, and EventBridge * Contribute … to API development (REST/GraphQL) and data integration pipelines * Collaborate with cross-functional teams on architecture and system design * Interface with frontend engineers (Vue.js stack) and data platform engineers (Snowflake, Airflow) * Help define and implement CI/CD pipelines and observability practices * Support a feedback-driven culture … software engineering experience, ideally in a SaaS or cloud-first environment * Strong Python backend development experience * Deep understanding of AWS serverless tools (Lambda, DynamoDB, API Gateway, etc.) * Experience building distributed systems and event-driven architecture * Familiarity with GraphQL APIs and scalable API design * Exposure to cloud observability More ❯
Posted:

Mobile Application Architect (Hybrid)

Wokingham, Berkshire, United Kingdom
Hybrid / WFH Options
Bright Horizons Family Solutions, LLC
business needs. The architect will create scalable, robust solutions and foster a culture of continuous improvement and technical excellence. Additionally, the Application Architect will design and manage technology solutions aligned with business needs, focusing on manageability, scalability, usability, resiliency, availability, security, and safety. They will determine coding standards, collaborate … in technology evaluations and standards committees. The architect will influence and optimize software architectures across the organization. What you will be doing: Lead the design and modernization of legacy systems to meet current and future business needs, with a strong focus on front-end and mobile development using Swift … and React Native. Ensure solutions are scalable, robust, and innovative, particularly in the context of mobile and web applications. Provide technical leadership on the design, development, and execution of software solutions, emphasizing user-friendly interfaces. Design and implement easy-to-use and intuitive user interfaces. Develop and use More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Security Architect

london, south east england, united kingdom
Hybrid / WFH Options
Merlin Entertainments
Entertainments as we transform the future of digital guest experiences across our iconic global attractions. We’re seeking a talented Security Solutions Architect to design and deliver secure, scalable, and cloud-native microservices architectures that power engaging, seamless experiences for millions of guests worldwide. About the Role This is … microservices systems. Define service boundaries, orchestration strategies, and ensure architectural alignment with business goals. Champion best practices in security, performance, and cloud-native development. Design and implement solutions within AWS, Azure, or GCP environments. Establish CI/CD pipelines, containerisation strategies, and DevOps automation practices. Introduce and manage telemetry … Extensive experience designing and implementing enterprise-grade microservices architectures. Strong software development background (Java, .NET, Python) with architectural leadership. Deep understanding of microservices principles, API design, and domain-driven design. Proficient in cloud platforms (AWS, Azure, GCP) and modern DevOps tooling (e.g., Terraform, Jenkins, Kubernetes). Hands-on More ❯
Posted:
API Design
the South East
10th Percentile
£26,750
25th Percentile
£51,875
Median
£62,500
75th Percentile
£66,250
90th Percentile
£79,750