126 to 150 of 176 RESTful Jobs in the City of London

architecture decisions. Implement the user interface for the entire customer/application journey. Implement secure on-device storage for sensitive data. Collaborate with back-end engineers to successfully integrate RESTful APIs for data collection and AI services. Key Requirements: Strong Senior Software Engineer experience Exceptional Go/Golang skills Experience working across low-latency and zero trust platforms Experience across More ❯

tune and optimise Large Language Models (LLMs) for performance, accuracy, and cost efficiency. Build evaluation pipelines to ensure model reliability and stability. Develop secure and scalable Python applications and RESTful APIs (FastAPI, Django REST Framework). Integrate AI services and foundation models from providers such as Azure AI , Amazon Bedrock , and Google Vertex AI . Work with vector databases and More ❯

tune and optimise Large Language Models (LLMs) for performance, accuracy, and cost efficiency. Build evaluation pipelines to ensure model reliability and stability. Develop secure and scalable Python applications and RESTful APIs (FastAPI, Django REST Framework). Integrate AI services and foundation models from providers such as Azure AI , Amazon Bedrock , and Google Vertex AI . Work with vector databases and More ❯

Informatica EDC, etc.). Hands-on expertise with data.world at scale. Deep understanding of metadata modeling, lineage capture , and data governance frameworks (GDPR, CCPA, HIPAA). Proficiency in APIs, RESTful services, automation , and cloud data ecosystems ( AWS, Azure, GCP ). Strong communication and stakeholder engagement skills — translating complex technical concepts into business outcomes. 💡 Bonus Points For Experience with semantic knowledge More ❯

Informatica EDC, etc.). Hands-on expertise with data.world at scale. Deep understanding of metadata modeling, lineage capture , and data governance frameworks (GDPR, CCPA, HIPAA). Proficiency in APIs, RESTful services, automation , and cloud data ecosystems (AWS, Azure, GCP). Strong communication and stakeholder engagement skills — translating complex technical concepts into business outcomes. 💡 Bonus Points For Experience with semantic knowledge More ❯

are looking for 5+ years backend development experience with production applications Track record with at least one live application currently serving users in production Proven experience designing and implementing RESTful APIs at scale Strong experience with Python and modern web frameworks Comfortable working in TypeScript for frontend integration debugging Experience in building infrastructure for image/video/3D or More ❯

are looking for 5+ years backend development experience with production applications Track record with at least one live application currently serving users in production Proven experience designing and implementing RESTful APIs at scale Strong experience with Python and modern web frameworks Comfortable working in TypeScript for frontend integration debugging Experience in building infrastructure for image/video/3D or More ❯

Duration: 12 months IR35 Status: Inside IR35 Start Date: ASAP Location: Hybrid (occasional travel to Croydon, infrequent) Security Clearance: SC Cleared (Current) Key Skills: Strong background in software architecture RESTful API design, ideally for UI integration Event-driven architecture patterns Familiarity with AWS and Kubernetes Experience with SQL and NoSQL databases Ability to communicate complex technical concepts to non-technical More ❯

Duration: 12 months IR35 Status: Inside IR35 Start Date: ASAP Location: Hybrid (occasional travel to Croydon, infrequent) Security Clearance: SC Cleared (Current) Key Skills: Strong background in software architecture RESTful API design, ideally for UI integration Event-driven architecture patterns Familiarity with AWS and Kubernetes Experience with SQL and NoSQL databases Ability to communicate complex technical concepts to non-technical More ❯

advertising technologies such as pixels, ad servers, auctions and delivery. Experience working with web technologies, including, but not limited to: HTML, CSS, JavaScript, HTTP. Experience working with SQL and RESTful APIs More ❯

including LLMs and anomaly detection models. Familiarity with cloud infrastructure (AWS preferred), container orchestration (Kubernetes), and workflow tools (Airflow, Argo). Experience with observability tools (e.g., Grafana, CloudWatch) and RESTful API development. More ❯

including LLMs and anomaly detection models. Familiarity with cloud infrastructure (AWS preferred), container orchestration (Kubernetes), and workflow tools (Airflow, Argo). Experience with observability tools (e.g., Grafana, CloudWatch) and RESTful API development. More ❯

individual 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, ETL More ❯

individual 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, ETL More ❯

of Focus : Next-Gen Execution Management Systems (EMS) Trade lifecycle tools: booking, intraday PnL, ops workflows STP-by-exception reconciliation and integration with affirmation platforms Broader Tech Strategy Involves: RESTful API architecture to expose middle office services across the firm Migration of core systems to the cloud Deep integration with global data platforms: market, trade, static, PnL, and risk Strategic More ❯

of Focus : Next-Gen Execution Management Systems (EMS) Trade lifecycle tools: booking, intraday PnL, ops workflows STP-by-exception reconciliation and integration with affirmation platforms Broader Tech Strategy Involves: RESTful API architecture to expose middle office services across the firm Migration of core systems to the cloud Deep integration with global data platforms: market, trade, static, PnL, and risk Strategic More ❯

working in a team of 4. Qualifications 3 Years of professional programming experience. Strong proficiency in Python, with a proven track record of backend development Deep experience with FastAPI, RESTful API design, and PostgreSQL Hands-on experience developing scalable systems and backend architectures Familiarity with Langchain, AI, or LLM tooling is a strong plus Proficiency with Docker, GitHub, and modern More ❯

working in a team of 4. Qualifications 3 Years of professional programming experience. Strong proficiency in Python, with a proven track record of backend development Deep experience with FastAPI, RESTful API design, and PostgreSQL Hands-on experience developing scalable systems and backend architectures Familiarity with Langchain, AI, or LLM tooling is a strong plus Proficiency with Docker, GitHub, and modern More ❯

of microservices architecture and distributed systems, including knowledge of Back-end For Front-end (BFF) architecture (a plus). API Design and Development : Solid experience in designing and developing RESTful APIs, ensuring they are scalable, secure, and efficient. More ❯

of microservices architecture and distributed systems, including knowledge of Back-end For Front-end (BFF) architecture (a plus). API Design and Development : Solid experience in designing and developing RESTful APIs, ensuring they are scalable, secure, and efficient. More ❯

product owners and delivery leads. What you’ll bring Proven experience as a Digital or Technical Business Analyst, ideally within API-led or platform-based projects. Strong understanding of RESTful APIs, data schemas, and system integrations. Experience creating process maps, workflow documentation, and data flow diagrams. Ability to translate technical detail into clear business logic and requirements. Familiarity with tools More ❯

product owners and delivery leads. What you’ll bring Proven experience as a Digital or Technical Business Analyst, ideally within API-led or platform-based projects. Strong understanding of RESTful APIs, data schemas, and system integrations. Experience creating process maps, workflow documentation, and data flow diagrams. Ability to translate technical detail into clear business logic and requirements. Familiarity with tools More ❯

concepts to both technical and non-technical audiences · BA/BS/Master degree in Computer Science or another technical field · Firm understanding of systems integration concepts, API implementation (RESTful services) and relational databases (SQL) · Established problem-solving skills and troubleshooting abilities · Experience in close working interactions with distant teams · Ability to learn and work with varying technological environments (including More ❯

concepts to both technical and non-technical audiences · BA/BS/Master degree in Computer Science or another technical field · Firm understanding of systems integration concepts, API implementation (RESTful services) and relational databases (SQL) · Established problem-solving skills and troubleshooting abilities · Experience in close working interactions with distant teams · Ability to learn and work with varying technological environments (including More ❯

backend services. Proficiency in React with Next.js for frontend development. Proficiency in TypeScript, JavaScript and experience with infrastructure as code using Terraform. Ideal experience with React Native Understanding of RESTful APIs and web application architecture. Experience in a start-up environment. Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent experience. Familiarity with … RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing, and deployment (App Store More ❯