26 to 49 of 49 API Design Jobs in London

from scratch and creating platforms like Kafka. Being hands-on within a team delivering projects and solving tough tech problems. What You’ll Do Design and implement robust, scalable microservices and APIs in Go Lead the technical design of distributed data systems supporting research and clinical workflows Collaborate … distributed systems , data-intensive applications , and microservices architectures Experience with cloud environments (AWS, GCP, or Azure) and container orchestration (Kubernetes, Docker) Solid background in API design , data streaming , and event-driven architectures (Kafka, NATS, RabbitMQ) Proven leadership in technical design and mentoring Strong collaboration and communication skills ...

from scratch and creating platforms like Kafka. Being hands-on within a team delivering projects and solving tough tech problems. What You’ll Do Design and implement robust, scalable microservices and APIs in Go Lead the technical design of distributed data systems supporting research and clinical workflows Collaborate … distributed systems , data-intensive applications , and microservices architectures Experience with cloud environments (AWS, GCP, or Azure) and container orchestration (Kubernetes, Docker) Solid background in API design , data streaming , and event-driven architectures (Kafka, NATS, RabbitMQ) Proven leadership in technical design and mentoring Strong collaboration and communication skills ...

Pension, Support Leave Salary: £70,000 - £75,000 Per Annum. Overview A key role within the Technology function, responsible for shaping solution design for a major business programme. You'll ensure solutions align with architectural standards, support integration and reporting platforms, and work closely with engineering teams and suppliers … deliver high-quality, scalable, and secure outcomes. Key Responsibilities Lead solution design across major programme workstreams, aligning with architectural vision and technical standards. Support cloud and data governance; define best practice for integration and reporting. Maintain and enforce standards for API design, integration patterns, data schemas (including ...

Join OCI's Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You'll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI's global edge. … more: Java/Python/C Rust/Go (strong preference for Java for control-plane/services). Deep systems design expertise: concurrency, memory management, performance tuning, API design, consistency models, and distributed systems fundamentals. Proven DevOps leadership at scale: CI/CD, automated testing, canarying ...

Join OCI's Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You'll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI's global edge. … more: Java/Python/C Rust/Go (strong preference for Java for control-plane/services). Deep systems design expertise: concurrency, memory management, performance tuning, API design, consistency models, and distributed systems fundamentals. Proven DevOps leadership at scale: CI/CD, automated testing, canarying ...

drive smarter decisions and greater efficiency across Chambers and Partners. In this brand new role, role, as part of our Data team, you’ll design and implement intelligent systems that enhance how we use data, streamline operations, and power innovation across our digital platforms. You’ll play … Main Duties and Responsibilities Data & Retrieval Build robust ingestion pipelines for PDFs/Word/Excel/Audio/JSON and semi-structured sources. Design RAG systems: chunking strategies, document schemas, metadata, hybrid/dense retrieval, re-ranking, and grounding. Manage vector/keyword indexes (e.g., Azure AI Search ...

owning the cloud-native platform that underpins conversational AI and generative AI products at scale. Sitting at the core of AI delivery, you will design, build, and operate the runtime, infrastructure, and operational layers supporting RAG pipelines, LLM orchestration, vector search, and evaluation workflows across AWS and Databricks. Working … platform powering conversational assistants and generative AI products. Build, operate, and optimise RAG and LLM-backed services, improving latency, reliability, and cost. Design and run cloud-native AI services across AWS and Databricks, including ingestion and embedding pipelines. Scale and operate vector search infrastructure (Weaviate, OpenSearch, Algolia, AWS Bedrock ...

owning the cloud-native platform that underpins conversational AI and generative AI products at scale. Sitting at the core of AI delivery, you will design, build, and operate the runtime, infrastructure, and operational layers supporting RAG pipelines, LLM orchestration, vector search, and evaluation workflows across AWS and Databricks. Working … platform powering conversational assistants and generative AI products. Build, operate, and optimise RAG and LLM-backed services, improving latency, reliability, and cost. Design and run cloud-native AI services across AWS and Databricks, including ingestion and embedding pipelines. Scale and operate vector search infrastructure (Weaviate, OpenSearch, Algolia, AWS Bedrock ...

onsite) Salary: Up to £80k DOE Type: Perm Job Description We are looking for a passionate Senior Java Engineer in London to lead the design and development of core product features and services that power an app used by thousands of travellers on a daily basis. As a Senior … impactful product features Ensure the quality of the features you built, follow-up on usage/issues post release. Work closely with product and design team to deliver new features that align with the needs of the business Provide technical leadership and mentoring to other engineers on the team ...

onsite) Salary: Up to £80k DOE Type: Perm Job Description We are looking for a passionate Senior Java Engineer in London to lead the design and development of core product features and services that power an app used by thousands of travellers on a daily basis. As a Senior … impactful product features Ensure the quality of the features you built, follow-up on usage/issues post release. Work closely with product and design team to deliver new features that align with the needs of the business Provide technical leadership and mentoring to other engineers on the team ...

onsite) Salary: Up to £80k DOE Type: Perm Job Description We are looking for a passionate Senior Java Engineer in London to lead the design and development of core product features and services that power an app used by thousands of travellers on a daily basis. As a Senior … impactful product features Ensure the quality of the features you built, follow-up on usage/issues post release. Work closely with product and design team to deliver new features that align with the needs of the business Provide technical leadership and mentoring to other engineers on the team ...

onsite) Salary: Up to £80k DOE Type: Perm Job Description We are looking for a passionate Senior Java Engineer in London to lead the design and development of core product features and services that power an app used by thousands of travellers on a daily basis. As a Senior … impactful product features Ensure the quality of the features you built, follow-up on usage/issues post release. Work closely with product and design team to deliver new features that align with the needs of the business Provide technical leadership and mentoring to other engineers on the team ...

looking for a Data Engineer who will design and implement customer data solutions that enable personalised experiences while ensuring privacy, quality, and accessibility of customer information across all touchpoints. Length: 12 months Location: London, UK Environment: Hybrid - 2-3 days in the office Key responsibilities: Leading engineering decisions … marketing and engagement platforms What is required to be successful in this role: Deep expertise in data engineering, including real-time data processing, API design and distributed systems Strong proficiency with cloud platforms (e.g. AWS, GCP, Azure), infrastructure-as-code, and scalable architecture patterns Hands-on experience with ...

looking for a Data Engineer who will design and implement customer data solutions that enable personalised experiences while ensuring privacy, quality, and accessibility of customer information across all touchpoints. Length: 12 months Location: London, UK Environment: Hybrid - 2-3 days in the office Key responsibilities: Leading engineering decisions … marketing and engagement platforms What is required to be successful in this role: Deep expertise in data engineering, including real-time data processing, API design and distributed systems Strong proficiency with cloud platforms (e.g. AWS, GCP, Azure), infrastructure-as-code, and scalable architecture patterns Hands-on experience with ...

South London Inside IR35 £600-650 per day We are looking for an experienced Technical Architect with a strong background in application and API architecture to support a major programme within a secure environment. This role requires proven experience across large-scale delivery, multi-cloud technologies, and senior stakeholder … engagement. Key Requirements Active SC Clearance (mandatory) Strong experience in application architecture and API design/integration Commercial experience in an AWS environment , with exposure to Azure components Background working on large, complex projects Experience supporting or leading procurement activities Strong communication and presentation skills Proven track record ...

South London Inside IR35 £600-650 per day We are looking for an experienced Technical Architect with a strong background in application and API architecture to support a major programme within a secure environment. This role requires proven experience across large-scale delivery, multi-cloud technologies, and senior stakeholder … engagement. Key Requirements Active SC Clearance (mandatory) Strong experience in application architecture and API design/integration Commercial experience in an AWS environment , with exposure to Azure components Background working on large, complex projects Experience supporting or leading procurement activities Strong communication and presentation skills Proven track record ...

commercial software development experience. Proven success in high-performing engineering teams within fast-paced environments. Deep expertise in: Python (Django, Flask, or FastAPI) PostgreSQL (design, optimisation, maintenance) Containerisation (Docker/Kubernetes) Event-driven architecture (Kafka/RabbitMQ) Desirable experience includes: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Terraform and DevOps … practices Experience in building and scaling SaaS platforms in production. Strong background in software architecture, microservices, and API design. Hands-on experience with AWS platform. Excellent communication skills, capable of motivating and aligning technical teams. Experience with AI tools, APIs, or ML pipelines is highly desirable. Bonus: Exposure ...

international organisation in the aviation sector is seeking a Principal Engineer to lead the design and delivery of enterprise-scale engineering solutions supporting AI-driven platforms. This is a senior, hands-on role embedded within a major airline environment, with responsibility for setting technical direction and ensuring solutions scale … role requires consultancy-level technical depth, strong delivery discipline, and the ability to translate complex operational needs into scalable, enterprise-ready solutions. Key Responsibilities Design and own architecture across all layers of the technology stack. Write production-grade code and deliver enterprise-ready solutions at pace. Engineer scalable, modular ...

international organisation in the aviation sector is seeking a Principal Engineer to lead the design and delivery of enterprise-scale engineering solutions supporting AI-driven platforms. This is a senior, hands-on role embedded within a major airline environment, with responsibility for setting technical direction and ensuring solutions scale … role requires consultancy-level technical depth, strong delivery discipline, and the ability to translate complex operational needs into scalable, enterprise-ready solutions. Key Responsibilities Design and own architecture across all layers of the technology stack. Write production-grade code and deliver enterprise-ready solutions at pace. Engineer scalable, modular ...

Tooling Expertise: Use Prometheus, Grafana, and Dynatrace for data collection, visualisation, and deep-dive analysis. •Proficiency in Prometheus, Grafana, and Dynatrace. •Strong knowledge of API design, data modelling, and pipelines. •Experience with automation, monitoring platforms, and scripting languages (e.g., Python, PowerShell, Bash, Terraform and Ansible) to enhance operational ...

leading global investment management firm in London. Paying up to 120k plus bonus per annum, you will contribute to the development, optimisation, and design of front-office applications, collaborating with portfolio managers and product owners to create innovative and high-performance solutions. As a Senior Full Stack Software Engineer …/UX. Proven backend expertise, particularly with Java (Python, Node.js a plus), and experience building distributed microservices-based architectures. Strong knowledge of system design principles, scalable architecture patterns, and API design. Hands-on experience with relational (Postgres, MySQL) and NoSQL (DynamoDB) databases. Proficiency in cloud platforms (AWS, Azure ...

specification documents. Converting client business objectives into clear, actionable technical specifications and producing technical scope Leading client calls and the development team through discovery, design, development, and launch process Digital Silk is built upon the principles of self-betterment, excellence, proactivity, and teamwork. If you share our passion … estimates, and specification documents, ensuring accuracy, feasibility, and alignment with performance, security, accessibility, and SEO best practices. Lead clients and internal teams through discovery, design, development, and launch, providing technical clarity and direction at every stage. Support the Sales team during all pre-sales activities, offering technical credibility, feasibility ...

specification documents. Converting client business objectives into clear, actionable technical specifications and producing technical scope Leading client calls and the development team through discovery, design, development, and launch process Digital Silk is built upon the principles of self-betterment, excellence, proactivity, and teamwork. If you share our passion … estimates, and specification documents, ensuring accuracy, feasibility, and alignment with performance, security, accessibility, and SEO best practices. Lead clients and internal teams through discovery, design, development, and launch, providing technical clarity and direction at every stage. Support the Sales team during all pre-sales activities, offering technical credibility, feasibility ...

mitigate risks associated with migration and system cutover. Core Skills & Experience: Proven expertise in PAS systems and complex data migration projects. Strong knowledge of API design and integration . Advanced data modelling skills for structured and semi-structured data. Proficiency in XML, JSON, and Excel for data handling ...