9 of 9 API Design Jobs in the City of London

Permanent role in London, 2 days in office Our client is one of leading insurance providers. Their Strategic Analytics team is looking for an API Implementation Manager to help power our high-impact analytics initiatives. If you thrive in a fast-paced environment and love solving complex problems with elegant technical solutions — we want to talk to you. Responsibilities … Developing and Implementing API Strategy: create and maintain API strategy that aligns with the business's overall objectives. This strategy shouldoutline how to enhance existing systems and integrate new ones with external third party APIs. API Design and Development: establish API protocols and standards, develop API architectures, and collaborate with other stakeholders to integrateAPIs … into existing systems. Develop integrations with internal and external API systems. API Documentation: maintain Confluence documentation for API development processes, code, and revisions API Security Monitoring and Maintenance Education and Experience 4+ years of leading software projects 4+ years of Python development experience 4+ years of API development experience Experience with Azure Functions is a More ❯

API Implementation Manager Insurance – London Markets Hybrid – 2 days London Salary up to £95k About the Company Our client, a leading London Markets Insurance company, have an immediate requirement for an API Implementation Manager to join their growing Strategic Analytics team. About the Role As Implementation Manager you will be leading the implementation of real-time predictive analytic … solutions that put analytics at the heart of the business and work closely with other members of the Strategic Analytics team on high-profile projects. Responsibilities Developing and Implementing API Strategy : create and maintain API strategy that aligns with the business's overall objectives. API Design and Development : establish API protocols and standards, develop API architectures, and collaborate with other stakeholders to integrate APIs into existing systems. API Documentation : maintain Confluence documentation for API development processes, code, and revisions. API Security : Implement proper security protocols and work with cybersecurity team to address potential threats. Monitoring and Maintenance : continuously monitor the performance of APIs, troubleshoot any issues, and ensure that APIs are More ❯

for complex energy systems and market modelling. Key Responsibilities Contribute to the development and evolution of their analytical capability, working alongside a highly skilled team of energy market experts. Design, build and maintain robust database infrastructure to optimise internal data workflows and enable scalable access to data to consultants and to our in-house modelling software. Develop and maintain … computational infrastructure, including cloud-based solutions, to enable efficient and scalable stochastic modelling of power systems and energy assets across European and global markets. Lead the design and improvement of UI/UX components of our internal modelling tools, ensuring ease of use, accessibility, and scalability across the company. Collaborate closely with our power and gas/LNG consulting … Cloud computing & DevOps: e.g. AWS (EC2, Lambda, S3), Docker, CI/CD, serverless architecture Frontend development: JavaScript/TypeScript, React, Dash, or similar frameworks Backend APIs: FastAPI, Flask, RESTful API design UI/UX design for data tools (e.g. streamlining internal workflows and dashboards) Experience with energy systems modelling/optimisation, quantitative risk modelling, or stochastic simulation More ❯

secure, and privacy-compliant solutions that deliver measurable impact across the organization. A strong technical background is essential to understand and leverage the latest advancements in technology. Key Responsibilities: Design: Develop and document high-quality end-to-end solutions that meet internal requirements, ensuring they are fit for purpose, compliant, scalable, and secure. Innovation: Stay abreast of emerging technologies … and analyse data to support decision-making processes. Implement data governance frameworks and ensure data integrity, security, and compliance. This should include relational, graph, key-value and streaming data design constraints. Infrastructure Expertise: Design, deploy (using GitOps & IaC), and manage solutions on Azure and Kubernetes, ensuring high availability, scalability, and security. Risk Management: Identify and mitigate risks associated … with solution design and delivery, ensuring robust and resilient architectures. Mentor and develop technical talent, promoting a culture of learning and growth. Requirements: Proven experience in a senior leadership role driving innovation in complex, data-driven environments. Deep understanding of cloud infrastructure, data orchestration, and AI/ML applications in operational contexts. Strong business acumen with the ability to More ❯

team leadership. What You’ll Do Oversee data science projects, guide junior team members, and drive innovation. Build predictive models for campaign optimisation, customer segmentation, and price elasticity. Design and implement AI-powered solutions to solve complex marketing challenges. Use machine learning and statistical techniques to analyse trends and improve business outcomes. Work with cross-functional teams and present … and managing data science teams. Deep knowledge of media measurement techniques, such as media mix modelling. Experience with advanced AI techniques, including NLP, GenAI, and CausalAI. Familiarity with MLFlow, API design (FastAPI), and dashboard building (Dash). If this role looks of interest, reach out to Joseph Gregory More ❯

team leadership. What You’ll Do Oversee data science projects, guide junior team members, and drive innovation. Build predictive models for campaign optimisation, customer segmentation, and price elasticity. Design and implement AI-powered solutions to solve complex marketing challenges. Use machine learning and statistical techniques to analyse trends and improve business outcomes. Work with cross-functional teams and present … and managing data science teams. Deep knowledge of media measurement techniques, such as media mix modelling. Experience with advanced AI techniques, including NLP, GenAI, and CausalAI. Familiarity with MLFlow, API design (FastAPI), and dashboard building (Dash). If this role looks of interest, reach out to Joseph Gregory More ❯

orchestration tools (e.g., Argo), and message buses like Kafka Practical knowledge of Postgres or similar databases Proven experience building real-time or batch AI/ML pipelines with strong API design (Bonus) Exposure to LLMs, vector databases, transcription pipelines, or RAG systems (Bonus) Prior work in Defence, aerospace, or national security environments Why This Project? This isn’t More ❯

Key Responsibilities Lead the design, development, and deployment of scalable full stack applications using React and AWS services. Collaborate with cross-functional teams including Product, Architecture, and Test to deliver high-quality software. Champion best practices in software engineering, including CI/CD, automated testing, and code reviews. Mentor junior engineers and contribute to a culture of continuous improvement. … Participate in sprint planning, technical design sessions, and architectural reviews. Required Skills & Experience Strong proficiency in React. Deep experience with AWS services such as Lambda, API Gateway, DynamoDB, S3, and CloudFormation. Solid understanding of TypeScript, Node.js, and RESTful API design. Familiarity with DevOps practices and tools (e.g., GitHub Actions, Terraform, CloudWatch). Experience working in Agile environments … ceremonies. Ability to challenge existing approaches and drive innovation within the team. Desirable Exposure to AWS AI services (e.g., Lex, Bedrock). Experience with serverless architectures and event-driven design patterns. Familiarity with containerization (Docker, ECS) and observability tooling. Team Fit A proactive mindset with a passion for mentoring and uplifting team performance. Strong communication skills and the ability More ❯

Confluence, ensuring alignment across Product and Engineering. Act as a liaison between technical teams and non-technical stakeholders to ensure a shared understanding of implementation details and impact. Support API design and documentation efforts, ensuring internal and third-party APIs are clearly defined, versioned, and well-integrated. Contribute to platform consistency by identifying patterns, redundancies, or gaps in More ❯