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1 Contract API job in Midlothian + 20 miles
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About this role - At BlackRock, technology is the foundation of our business. As a Associate, Java Back-End Engineer, youll lead by example architecting, coding, and mentoring teams to build resilient systems that power our global post-trade operations. Youll design and deliver enterprise-scale software with a focus on reliability, performance, and clean engineering practices. About Post Trade Accounting (PTA) - A major strategic area within Aladdin and one of BlackRocks largest engineering investments. - Responsible for the systems that ensure accurate, scalable, and efficient accounting across global operations. - Expanding into data analytics and pipeline initiatives using Snowflake, Redis, and Kafka to manage high-volume, real-time data. - Collaborates closely with Product, Operations, and other Engineering teams to deliver business-critical capabilities.
About this role - At BlackRock, technology is the foundation of our business. As a Associate, Java Back-End Engineer, youll lead by example architecting, coding, and mentoring teams to build resilient systems that power our global post-trade operations. Youll design and deliver enterprise-scale software with a focus on reliability, performance, and clean engineering practices. About Post Trade Accounting (PTA) - A major strategic area within Aladdin and one of BlackRocks largest engineering investments. - Responsible for the systems that ensure accurate, scalable, and efficient accounting across global operations. - Expanding into data analytics and pipeline initiatives using Snowflake, Redis, and Kafka to manage high-volume, real-time data. - Collaborates closely with Product, Operations, and other Engineering teams to deliver business-critical capabilities.
8 exact matches jobs are outside your preferred location
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Full Stack Engineer - Outisde IR35 up to £525 - Intial 4 month contract, high chance of extension - I am recruiting for multiple Full Stack Engineers to help our client build scalable, high-performance applications and contribute across both backend and frontend systems. This role involves working on modern production systems, building APIs and services, and collaborating with cross-functional teams to deliver reliable and user-focused products. Key Responsibilities * Build prototypes and evolve them into scalable, production-ready applications * Develop and maintain backend services and APIs in Node/Python * Contribute to frontend development, building responsive and intuitive user interfaces in React * Design and implement data workflows and system integrations * Work with cloud infrastructure and distributed systems
Full Stack Engineer - Outisde IR35 up to £525 - Intial 4 month contract, high chance of extension - I am recruiting for multiple Full Stack Engineers to help our client build scalable, high-performance applications and contribute across both backend and frontend systems. This role involves working on modern production systems, building APIs and services, and collaborating with cross-functional teams to deliver reliable and user-focused products. Key Responsibilities * Build prototypes and evolve them into scalable, production-ready applications * Develop and maintain backend services and APIs in Node/Python * Contribute to frontend development, building responsive and intuitive user interfaces in React * Design and implement data workflows and system integrations * Work with cloud infrastructure and distributed systems
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Senior GraphQL Engineer (Federation) TypeScript | Node.js | Kubernetes
Senior GraphQL Engineer (Federation) TypeScript | Node.js | Kubernetes
Staffworx Limited
UK
MARKET RATES, OUTSIDE IR35, hybrid, 2 days on site week
Own end-to-end GraphQL API delivery: schema design through to production integration, focusing on performance, maintainability, security, and scalability. * Strong commercial experience delivering Federated GraphQL in production (schema-first design, supergraph/subgraph architecture, resolvers, schema governance, and API evolution). * Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end).
Own end-to-end GraphQL API delivery: schema design through to production integration, focusing on performance, maintainability, security, and scalability. * Strong commercial experience delivering Federated GraphQL in production (schema-first design, supergraph/subgraph architecture, resolvers, schema governance, and API evolution). * Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end).
About the Role We are looking for a driven and technically strong individual to join the Trading Engine team as a Senior API Solutions Engineer. This role combines hands-on software development with a client- and community-facing focus centered around the Binance Trading API. They should also enjoy engaging with developers and clients, providing guidance, and contributing to the broader API community. * Develop and maintain open-source libraries used by the companys clients for API integrations
About the Role We are looking for a driven and technically strong individual to join the Trading Engine team as a Senior API Solutions Engineer. This role combines hands-on software development with a client- and community-facing focus centered around the Binance Trading API. They should also enjoy engaging with developers and clients, providing guidance, and contributing to the broader API community. * Develop and maintain open-source libraries used by the companys clients for API integrations
Have fundamental awareness regarding the application of different types of testing (unit, integration, API, E2E, performance where appropriate) and an ability to advise, write and maintain these accordingly. * Strong experience with automated testing: API, UI, integration, acceptance, unit.
Have fundamental awareness regarding the application of different types of testing (unit, integration, API, E2E, performance where appropriate) and an ability to advise, write and maintain these accordingly. * Strong experience with automated testing: API, UI, integration, acceptance, unit.
Support investigation across application, database, API, and infrastructure layers to understand * Experience working across distributed systems, microservices, and API-heavy environments.
Support investigation across application, database, API, and infrastructure layers to understand * Experience working across distributed systems, microservices, and API-heavy environments.
Serve as a primary sales and technical advisor for Brivo / Eagle Eye products and 3rd party API partner integrations.
Serve as a primary sales and technical advisor for Brivo / Eagle Eye products and 3rd party API partner integrations.
Experience with API testing tools (Postman, REST clients, etc.); * Working with REST API.
Experience with API testing tools (Postman, REST clients, etc.); * Working with REST API.
Integration: Experience collaborating with API developers and successfully integrating complex third-party platforms.
Integration: Experience collaborating with API developers and successfully integrating complex third-party platforms.
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