26 to 50 of 89 API Design Jobs in London

talented 3 Fullstack Engineers (React/Python) to join the growing team and contribute to the development of intelligent, scalable digital products. Key Responsibilities: Design, build, and maintain scalable fullstack web applications using React on the frontend and Python (Django/FastAPI/Flask) on the backend. Collaborate closely … and modern JavaScript (ES6+) or TypeScript. Proficiency in Python , ideally with experience in web frameworks such as Django, FastAPI, or Flask. Strong understanding of API design, microservices, and web architecture. Experience with relational and NoSQL databases (e.g. PostgreSQL, MongoDB). Comfortable working with cloud services like AWS, Azure More ❯

talented 3 Fullstack Engineers (React/Python) to join the growing team and contribute to the development of intelligent, scalable digital products. Key Responsibilities: Design, build, and maintain scalable fullstack web applications using React on the frontend and Python (Django/FastAPI/Flask) on the backend. Collaborate closely … and modern JavaScript (ES6+) or TypeScript. Proficiency in Python , ideally with experience in web frameworks such as Django, FastAPI, or Flask. Strong understanding of API design, microservices, and web architecture. Experience with relational and NoSQL databases (e.g. PostgreSQL, MongoDB). Comfortable working with cloud services like AWS, Azure More ❯

Type: Permanent Location: London/Hybrid Salary: £150,000-£200,000 (DOE) - Upto £300,000 Total comp Skills: Java, C++, Python, Low Latency, Microservices, API's, Functional programming, OTC, Crypto Assets Roc Search have partnered with a well established trading firm with over 30 years of experience bringing technology … many exchanges and regions using a wide range of strategies. As a member of the team, you will work with other software engineers to design and develop the full stack of software needed to enable a global trading operation. You are expected to design and develop trading systems … Responsibilities - Work as part of the cryptoassets team to establish and maintain best-in-class software systems that enable 24-hour, global trading operations - Design and develop full-stack software systems including trading systems, exchange connectivity solutions, and monitoring systems - Use multiple languages, including Java, C++, and Python - Testing More ❯

Type: Permanent Location: London/Hybrid Salary: £150,000-£200,000 (DOE) - Upto £300,000 Total comp Skills: Java, C++, Python, Low Latency, Microservices, API's, Functional programming, OTC, Crypto Assets Roc Search have partnered with a well established trading firm with over 30 years of experience bringing technology … many exchanges and regions using a wide range of strategies. As a member of the team, you will work with other software engineers to design and develop the full stack of software needed to enable a global trading operation. You are expected to design and develop trading systems … Responsibilities - Work as part of the cryptoassets team to establish and maintain best-in-class software systems that enable 24-hour, global trading operations - Design and develop full-stack software systems including trading systems, exchange connectivity solutions, and monitoring systems - Use multiple languages, including Java, C++, and Python - Testing More ❯

platform, responsible for the core services, APIs, and distributed processing backbone. This role requires a deep understanding of Python internals, Django architecture, and scalable API design, with a particular emphasis on multithreading, concurrency, and performance tuning. Key Responsibilities Lead the design and development of backend services using … including the Global Interpreter Lock (GIL), multithreading, multiprocessing, and asyncio Strong grasp of type hinting, generators, iterators, and Pythonic loop constructs Proven ability to design RESTful APIs for high-throughput, low-latency systems Experience with unit testing, integration testing, and test automation frameworks Solid understanding of PostgreSQL, Redis, and More ❯

platform, responsible for the core services, APIs, and distributed processing backbone. This role requires a deep understanding of Python internals, Django architecture, and scalable API design, with a particular emphasis on multithreading, concurrency, and performance tuning. Key Responsibilities Lead the design and development of backend services using … including the Global Interpreter Lock (GIL), multithreading, multiprocessing, and asyncio Strong grasp of type hinting, generators, iterators, and Pythonic loop constructs Proven ability to design RESTful APIs for high-throughput, low-latency systems Experience with unit testing, integration testing, and test automation frameworks Solid understanding of PostgreSQL, Redis, and More ❯

effective solutions to solve complex technical issues. Proven experience working in Agile environments, including hands-on experience with Scrum or Kanban methodologies. Experience creating API documentation/specifications, with a solid understanding of API design principles, security, and orchestration. Working knowledge of software applications, system architecture, data More ❯

us to do more with less - leveraging your technical expertise to build solutions that scale without proportional resource increases. Core Responsibilities Technical Integration & Development Design and implement technical integrations between Intercom and internal systems Build custom solutions that enhance support efficiency and effectiveness Develop tools and automations that streamline … Resolution: Technical contribution to reducing average resolution time through automation What You'll Bring Must-Haves 3+ years of full-stack development experience Strong API development and integration expertise, including REST and GraphQL Familiarity with database design and implementation Experience building and deploying scalable web applications Understanding of … RESTful API design principles Strong problem-solving abilities and analytical thinking Excellent communication skills with both technical and non-technical stakeholders Nice-to-Haves Proficiency in Ruby on Rails Experience with Intercom platform and API Knowledge of AI/ML technologies and implementations Familiarity with Jira and More ❯

with tools like IntelliJ IDEA, Kubernetes, Docker, and AWS. Ability to learn new technologies quickly and adapt to different programming stacks. Experience with SQL, API design and JavaScript is beneficial, but not required. Strong collaboration and communication skills, with a focus on problem-solving as a team. Desire More ❯

There will also be the opportunity to get involved in the continued development of our suite of LLM and Data Science focused modules. Help design, build and extend Seldon's Core v2 MLOps platform, contributing to improved reliability, scalability and performance as well as next-generation features. Engage in … using Kafka. Experience with Kubernetes and the ecosystem of Cloud Native tools. Experience/involvement in architecting, implementing, and debugging complex systems, from initial design to completion. Understanding of distributed and low latency application architecture/systems and microservices. Strong experience with API design, including gRPC and More ❯

leading the implementation of technical solutions. These solutions are all SAAS based and require someone who is strong in and around the integration/API layer. Although still relatively "hands-on", the position lends itself to someone who is relatively agnostic in their approach who can steer best practice … around tech adoption. Tech : C# Azure IaC API Design and Development (REST) Devops mindset (Microservices/K8s) Excellent communication skills across Senior Stakeholders and various levels of software engineer Interview Process: 3 stages. Exploratory call with Lead Architect>>Tech test with subsequent discussion with wider team (F2F preferred More ❯

leading the implementation of technical solutions. These solutions are all SAAS based and require someone who is strong in and around the integration/API layer. Although still relatively "hands-on", the position lends itself to someone who is relatively agnostic in their approach who can steer best practice … around tech adoption. Tech : C# Azure IaC API Design and Development (REST) Devops mindset (Microservices/K8s) Excellent communication skills across Senior Stakeholders and various levels of software engineer Interview Process: 3 stages. Exploratory call with Lead Architect>>Tech test with subsequent discussion with wider team (F2F preferred More ❯

tech company of scientists and engineers, developing machine learning applications to massively accelerate physics simulations and enable a new frontier of optimization opportunities in design and engineering. Born out of numerical physics and proven in Formula One, we help our customers radically improve their concepts and designs, transform their … including Space, Aerospace, Medical Devices, Additive Manufacturing, Electric Vehicles, Motorsport, and Renewables. Our work creates positive impact for society, be it by improving the design of artificial hearts, reducing CO2 emissions from aircraft and road vehicles, and increasing the performance of wind turbines. The Role Your role, first and … a plus. This role deals with breadth across the full stack, having a solid foundation in software engineering, React/front-end engineering frameworks, API design and deploying applications to production is desired. Proactivity & high ownership: You'll be responsible for driving impact for our customers, whatever that More ❯

React Typescript Node.js (express) PostgreSQL/Snowflake Micro-services architecture on AWS with terraform. What you will do Collaborate closely with the team to design and implement features that prioritize real-world impact. Architect, develop, and maintain state-of-the-art services for data ingestion and provisioning, including metric … Your technical expertise: You are proficient in writing production-level code in Polar's core technologies or will quickly learn them. You have great API design knowledge. You have experience working on data products. Your knowledge is not limited to a SELECT on SQL; window functions and full More ❯

with the sales team to articulate the value of MuleSoft's platform and solutions to potential customers. Your deep understanding of the Anypoint Platform, API-led connectivity, Automation solutions and integration architecture will be critical to showcasing how our solutions can meet clients' strategic business objectives. Must have passion … tailored MuleSoft solutions. Lead technical discussions, demos, and presentations to articulate the value of MuleSoft's platform. Conduct discovery/workshops with customers. Solution Design: Architect scalable, reliable, and high-performing integration solutions that meet client requirements using MuleSoft Anypoint Platform. Ensure that proposed solutions align with customer business … objectives. Technical Expertise: Provide thought leadership and subject matter expertise on API-led architecture, MuleSoft Automation portfolio, microservices, and digital transformation strategies. Guide customers on best practices for integrating MuleSoft into their existing enterprise architecture. Should have proven track of Integration Patterns, Microservices patterns, Data & AI best practices. Proposal More ❯

investigate, implement and manage the cloud computing services and data management systems that comprise the SDE. In addition, the Lead Cloud Engineer will plan, design and organize customizations of the SDE for researchers and clinicians to support approved projects by working with teams of contractors. You will be continually … Experience in developing and delivering technical training around the use of a data analysis environment to researchers and clinicians Experience in leading architectural cloud design processes leading to the operation and delivery of large-scale complex cloud solutions (including public, private and hybrid platforms) through a team Experience in … demonstratable record of communicating these within a team. Experience in using an agile methodology to deliver projects within an organization that uses a structured design methodology Demonstrable scripting or programming skills (e.g., Python, BASH, Terraform, GitHub, etc.) Ability to use continuous integration and distribution pipelines (DevOps) to deploy applications More ❯

needs. Influence Multiple Teams: Operating at a group level means you'll work across numerous squads, identifying systemic technical challenges and opportunities. You'll design initiatives that improve engineering practices, reduce friction, and accelerate our delivery of value. By seeing the bigger picture, you'll ensure that investments in … systematically. Mentor and Grow Our Talent: You'll model exceptional technical leadership and mentor senior and junior engineers alike. By coaching others on system design, debugging complex issues, and navigating trade-offs, you'll elevate the skill and confidence of those around you. You'll also partner with engineering … experience with these, or related languages such as C++ or Java ; if not you are ready to pick them up quickly! Strong understanding of API design, and cloud services. Familiarity with modern frontend tools like React and TypeScript (collaborative focus). Experience designing scalable, reliable architectures and defining More ❯

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 … 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 ❯

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 … 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 ❯

MongoDB, Redis Serverless, AWS, Google Cloud, Github Actions DBT, BigQuery Terraform Python Minimum Requirements Strong Python experience in building scalable backend systems. Familiarity with API design & distributed systems architecture . Experience working with event-driven architectures (e.g. Kafka, Pub/Sub, AWS Step Functions, etc.). Comfortable optimising More ❯

Looking For: Solid experience with Golang in production environments Experience working with distributed systems and scalable infrastructure Strong grasp of M icroservices architecture and API design Passion for clean, maintainable, high-performance code Comfortable working in a fast-paced, product-driven environment This is a huge opportunity to More ❯

Looking For: Solid experience with Golang in production environments Experience working with distributed systems and scalable infrastructure Strong grasp of M icroservices architecture and API design Passion for clean, maintainable, high-performance code Comfortable working in a fast-paced, product-driven environment This is a huge opportunity to More ❯

life cycle. Proven experience with CI/CD, DevOps, and MLOps, especially in supporting and improving production systems Strong familiarity with web server and API designs for ML model deployments. Experienced in Real time - Data Science Applications. Proficient Python skills, including experience with relevant data libraries. Cloud engineering experience More ❯

is essential Proven experience with CI/CD, DevOps, and MLOps, especially in supporting and improving production systems Strong familiarity with web server and API designs for ML model deployments. Proficient Python skills, including experience with relevant data libraries. Cloud engineering experience, particularly with AWS and Databricks. Exposure to More ❯

the DevOps pipeline. This role is especially focused on cloud-native development in AWS environments. Key responsibilities include: Embedding secure coding practices and supporting design/code reviews Implementing SAST, DAST, SCA, and other security checks into DevOps workflows Supporting secure API design and cloud-native architecture … and hands-on threat modelling What you’ll bring: 3+ years in application or product security roles Strong grasp of application-level threats, secure design, and remediation strategies Experience with IaC security (Terraform, CloudFormation), container security, and AWS Clear communication skills and a collaborative approach More ❯