14 of 14 API Development Jobs in the City of London

define technical requirements, make trade-offs and ensure that solutions are both sustainable and maintainable in the long term. Experience with mobile app development, particularly React Native, is a strong plus and a passion for promoting wellbeing and reducing stress through technology is essential. This role requires wearing many … including monitoring and maintenance Passionate about building innovative solutions and thriving as an individual contributor (IC) within a dynamic team Experience with mobile app development (React Native) is a plus, especially for those with strong web frontend experience An interest in reducing stress and promoting wellbeing through technology Experience ...

will play a pivotal role in architecting and developing our next-generation web application and API. This role requires technical leadership, hands‐on development, and mentoring of junior developers. You will drive the adoption of best practices, ensuring scalability, security, and performance. If you are passionate about software development … eligible for visa sponsorship only for candidates that are already based in the UK. Key Responsibilities Technical Leadership: Lead the technical design and development of scalable, secure web applications and APIs, driving best practices across the development lifecycle. Architecture & Design: Oversee system architecture decisions, ensuring alignment with business ...

collaborative environment that fosters continuous learning and creativity. If you are passionate about machine learning, AI, and want to contribute to the platform capability development for our whole organization, we invite you to apply for the position of Technology Architecture in our AI Enablement Team.Job responsibilities:Software Development … field (Ph.D. preferred) with Proven experience of 7+ years in developing IT solutionsProficient in Python & ReactJS and related technologies is required.Experience with GenAI application development including vector stores, RAG solutions, context engineering, prompt engineering, observability is essentialExperience with Agentic AI development & Java Spring Framework would be advantageousUnderstanding ...

data services, and cloud platforms. You will own end-to-end integration architecture, champion modern engineering standards, and guide engineers through best practices in API design, cloud-native development, and scalable integration patterns. This is a hands-on leadership role, ideal for someone who enjoys coding, problem-solving … steering technical direction while mentoring engineers and collaborating with product, data, and platform teams. What You'll Be Doing Lead the design, development, and delivery of integration solutions across a diverse technology ecosystem Develop secure, scalable APIs, services, and messaging-based integrations Champion best practices in engineering, DevOps, automation ...

stakeholder exposure and the opportunity to influence how AI is adopted across a prestigious financial services environment. Key Responsibilities Lead the technical design and development of AI-driven proof-of-concepts, prototypes and lightweight applications that demonstrate measurable business value. Work directly with senior stakeholders, business teams and technology … software engineering practices. Design and implement integrations across multiple enterprise data sources, systems and applications, establishing scalable and reusable engineering patterns. Leverage AI-assisted development tools, including GitHub Copilot, to accelerate engineering delivery and experimentation. Collaborate with platform engineering, architecture, security and governance teams to ensure solutions align with ...

stakeholder exposure and the opportunity to influence how AI is adopted across a prestigious financial services environment. Key Responsibilities Lead the technical design and development of AI-driven proof-of-concepts, prototypes and lightweight applications that demonstrate measurable business value. Work directly with senior stakeholders, business teams and technology … software engineering practices. Design and implement integrations across multiple enterprise data sources, systems and applications, establishing scalable and reusable engineering patterns. Leverage AI-assisted development tools, including GitHub Copilot, to accelerate engineering delivery and experimentation. Collaborate with platform engineering, architecture, security and governance teams to ensure solutions align with ...

opportunity to extend into quantitative research and to help build the foundation for full stack, next gen SaaS service offerings. Key Responsibilities: Bulletproof script development: build reliable, production grade scripts from defined specifications. Data orchestration and integration: develop and own the orchestration scripts that integrate multiple data feeds (document … that turn financial filings and disclosures into structured, queryable data, including LLM assisted extraction where appropriate. Testing to production migration: own the path from development to production, testing rigorously in a staging environment before migrating scripts to the production server with proper versioning, rollback capability and zero disruption ...

inside IR35 - Umbrella only Required skills Azure experience including Functions, App Services, Key Vault, Monitor, and general cloud native design. C#, .NET 10, REST API development, and enterprise backend engineering. Frontend development with TypeScript, JavaScript or NHS Digital Design System components. Confident and experienced … development agents and tools in daily workflow. Strong understanding of clinical workflows, interoperability patterns, and NHS technical constraints. Experience with regulated healthcare or medical device software (ISO 13485, ISO 14971, IEC 62304). Experience with national NHS APIs such as GP Connect, PDS, PDM, SCR, or BARS referrals. ...

about more than a lift-and-shift — it's about rearchitecting how companies build, deploy, and scale software. From containerized microservices on GKE to API-first architectures on Apigee to AI-augmented development with Gemini Code Assist, we help clients transform their application estates into modern, cloud-native … Google Cloud domains: Data & AI: Build data pipelines and analytics solutions using BigQuery, Dataflow, and Looker. Generative & Agentic AI: Contribute to the design and development of AI solutions using Vertex AI, Gemini models, and Retrieval-Augmented Generation (RAG). Security Operations (SecOps) & Cyber Defense: Design and build solutions that ...

throughput applications Low-latency engineering experience Strong analytical and mathematical problem-solving ability Experience with cloud platforms, ideally GCP Docker/containerisation experience REST API development experience Experience with event-driven architecture or messaging Exposure to AI, machine learning or AI-enabled systems Strong understanding of performance, reliability ...

seeking a highly skilled and innovative Lead Agentic AI Engineer to join our team and drive the design, development, and deployment of production‐grade generative AI and agentic solutions using Microsoft technologies. This role is ideal for a technically strong engineer who has hands‐on experience building AI solutions … Agent Framework Proficient in Python and production‐quality code practices Strong understanding of software engineering principles, architecture patterns, and delivery best practices Experience with API development using frameworks such as FastAPI, Flask, or Django Knowledge of Docker, containerised deployments, CI/CD, and cloud‐native delivery patterns What ...

transformation techniques. Required Skills and Experience 3+ years of experience in data integration or similar technical roles Strong programming skills with demonstrated experience in API development Deep understanding of database systems and data modeling Experience with ETL processes and data migration projects Familiarity with integration platforms and middleware ...

consumers, topics, partitions and consumer groups Cloud: AWS application deployment and support DevOps: CI/CD pipeline implementation and automation Containers: Docker APIs: RESTful API design and development using C# with Open API standard Source Control: GitHub and Azure DevOps Production Engineering: Troubleshooting, monitoring, logging and performance … optimization Highly Desirable Amazon MSK or managed Kafka experience AWS EKS/ECS Terraform/AWS CloudFormation AWS Lambda, API Gateway, SQS, SNS and EventBridge Redis and distributed caching CloudWatch, ELK/OpenSearch, Datadog, Prometheus, Grafana or Splunk OAuth 2.0/JWT and API security AWS certification Experience ...

improvement across people, processes and technology. Work effectively within cross-functional teams. Required Knowledge & Experience Active SC Clearance or eligibility to obtain clearance. Strong API design and development experience. Experience working with databases and SQL. Hands-on AWS cloud experience. Understanding of Site Reliability Engineering (SRE) principles. Experience … practices. Experience working within teams that own and support their services in production. Essential Skills Scala Play Framework or similar MVC/REST API frameworks SQL AWS Continuous Integration/CI/CD Agile methodologies Due to the nature and urgency of this post, candidates holding or who have ...