18 Permanent API Design Jobs in London

already successfully delivering this product to FTSE100 and FTSE250 clients in a variety of sectors from automotive to industrials to distribution. As you help design the next iteration of this system, you will need to consider high availability, high throughput, data consistency and security, but we will count on … leader and mentor in a world-class engineering team in the longer term. ⠀ You will: Collaborate with adjacent teams and the wider company to design, prioritise, develop and implement software solutions to address complex business issues. Be productive as an independent contributor, able to make pragmatic decisions about development … quickly grasp the nuances of requirements and identify critical decision points for stakeholders. Drive requirements clarity for ambiguous problems and produce technical design documents and project plans. Implement software and infrastructure that is designed and built on foundations of strong security, correct results, and reliable auditability. Ensure data governance more »

currently seeking an experienced Senior iOS Developer. You will be responsible for building and maintaining new and exciting features while also driving technical discussions, API designs and architecture. You will get the opportunity to make a big impact in a rapidly growing business. Their culture is based on working more »

We are looking for API Technical Lead to work with one of our leading client. Key Accountabilities: Lead and mentor API and event-driven architecture development across diverse teams of software engineering professionals Design and architect advanced API solutions, encouraging continuous improvement. Design and architect … priorities. Oversee the setup and maintenance of scalable, highly available, and resilient platforms. Create capabilities enabling the federated development of APIs to standards and design patterns. Implement and uphold standard practices, design patterns, and strategies across the Software Development Life Cycle (SDLC) of API development programs, including … CI/CD and the role of Contract testing (Stoplight Spectral linting to check conformity to OpenAPI standards). Deep understanding of API architecture, development frameworks, and technology stacks. Deep understanding of event-driven architecture, messaging patterns, testing strategies and technology stacks. Contribute to drawing up specific technical proposals more »

Technical Lead (API design) UST is currently recruiting for a Technical Lead (fixed term contract) role who comes with a strong technical background to join their award-winning team. About the role The successful candidate will be a team player with a proven background of managing IT teams … solid technical background and possess excellent analytical, problem-solving skills and excellent communication and stakeholder management skills. Key Deliverables: o Experience in managing IBM API Connect Gateway projects o Experience in managing and delivering the technical aspects of migration projects o Be well-versed in REST fundamentals and API design best practices. o Closely work with API developers/testers/analysts/engineers and help them with their day-to-day constraints and supervise their work. o API design using tools provided by the IBM API Connect V5/V10 suite. Experience more »

envisioning and reshaping their future by embracing new possibilities ('do something new') or swiftly progressing their Salesforce journey ('do something now'). Role Description • Design, plan, and implement projects and solutions oriented by API and Microservices using MuleSoft integration solutions. • Interpret requirements to develop MuleSoft services/integrations … with adherence to development, integration, and in practicing MuleSoft architectural best practices. • Design RESTful APIs with RAML using MuleSoft 4.x version, MuleSoft Anypoint Platform for APIs and API Manager. • Create enterprise API, SOA Service enabling, ESB based Integration, and solution development. • Design and implement the development … multiple interface services to connect both internal and external SOAP and REST web services. • Develop, build, deploy, and test MuleSoft applications/APIs (Experience API, Process API, and System APIs). • Be involved in pre-sales activities, scoping and sizing engagements, and interacting with customer key integration stakeholders. more »

Full Stack Developer - React.JS - Python - Rest API - SQL - 6 Months - Paying up to £615 (Inside IR35) - Hybrid As a Full-Stack Engineer you will collaborate with a cross functional team to design and develop systems that operate on a wide range of data sets. You will work closely … the engineers to deliver good quality software that benefits our users. Key Responsibilities: Develop and maintain responsive, user-friendly web applications using React JS. Design, develop, and implement RESTful APIs for seamless integration between front-end and back-end systems. Collaborate with cross-functional teams to gather and understand … them into technical specifications and solutions. Utilize AWS Gateway to build, deploy, and manage APIs securely and efficiently. Develop server-side logic using FAST API and other relevant technologies to ensure robust and scalable backend systems. Ensure the performance, reliability, and scalability of applications and APIs through thorough testing more »

re currently looking to hire a Senior Frontend Engineer to be part of a smart, motivated, and cross-functional agile unit contributing towards the design, code, testing and implementation of solutions to meet our customer’s needs. Based in our offices in Croydon, you will be joining our team … cloud-native technologies and help shape our AWS future. How you will contribute to Janes Be part of an Agile team contributing to the design, coding, testing and delivery of applications and services across the full SDLC. Contributing to coding standards and creating unit tests. Be technically curious, tackling … problems without giving up, and producing solutions. Able to analyse existing systems and processes offering incremental improvements. Take part in code and design reviews helping to improve overall software quality. Be proud of the work you produce and how it is done and help to identify opportunities for the more »

regions with a wide range of strategies. As a Senior Software Engineer, you will work closely with a talented team of engineers to collaboratively design and develop robust software solutions essential for facilitating global trading operations. This includes systems such as trading systems, exchange connectivity solutions, monitoring systems, and … in C++ , Rust, Java and Python Demonstrated expertise in network communication, including multicast and WebSockets. Proficiency in inter-process messaging, micro-service architectures, and API design. Familiarity with Functional Programming and Immutable Design. Experience with trading systems is desirable Excellent oral and written communication skills. Bachelor's degree in more »

to translate business needs into technical specifications. This is an exciting and unique opportunity to gain full 24/7 ownership of systems from design and architecture through development, deployment, and on-going dev-ops. As such, you will have experience in multi-tenanted platforms (ideally e-commerce) and … Windows Server 2012 R2+ Active Directory Distributed File System DNS SSL certificate creation & management IIS configuration & management DBA: Highly experienced in Microsoft SQL Server design and architecture, and as a minimum, have used the following features in a production environment. SQL Server Agent Stored Procedures (incl CLR) User defined … be highly skilled with the following tools & languages. Microsoft Visual Studio 2017+ Server side - C#, MVC, Blazor, .Net Framework & .Net core, console applications, Restful API - design, deployment and consumption, classic ASPVB Script. Frontend - HTML, CSS, JavaScript, jQuery, Ajax, page design and usability. Data MSSQL RDBMS using Entity more »

for a Saas platform. The core technology stack being used in Node.js and Javascript, with React and Typescript for front end development. Primary Responsibilities: Design, develop, and maintain the platform features Collaboratively write new features, tests, and resolve customer issues. Support the Head of Engineering with Architecture decisions and … strategy Requirements: TypeScript/JavaScript, Node.js, and React. Strong database skills (SQL) and RESTful API design experience. Working with data pipelines and data architecture Desired Skills: Experience with Python. Familiarity with AWS and Data Platforms Knowledge of Enterprise SaaS development, data lakes like snowflake This is a role more »

Making: Guide our technical direction with an emphasis on high-quality, scalable solutions that address real market needs. Lead by example in championing our API-first principle and advocating for engineering excellence in Cloud-native and SaaS best practices. Product Strategy & Roadmap Development: Collaborate with executive leadership to define … they go hand in hand. By focusing on excellence in our processes and products, we can solve a multitude of problems efficiently and effectively. API First Approach: Prioritising API design for clarity and efficiency. Collaborative Model: Promoting a culture where open communication and decision-making involve all … understanding of Agile development best practices. Experience in developing SaaS products that serve multiple industries, demonstrating versatility and market fit. Strategic vision in organisational design and operational efficiency, with a focus on delivering customer value rapidly. A deep appreciation of how a high performing software engineering team should operate. more »

cross-functional teams to drive forward development and deliver high-quality and scalable solutions. Key Responsibilities: Lead the end-to-end development of our API plus some other smaller web applications, ensuring seamless integration of front-end and back-end components. Collaborate with cross-functional teams, including our Online … and intuitive user interfaces using modern front-end technologies such as React.js or Angular. Implement interactive data visualisations and features to enhance user engagement. Design, implement, and maintain robust back-end systems to handle large volumes of football data. Develop APIs and integrate third-party services to enrich the … application's functionality. Design and optimise databases to store and retrieve football-related data, always with performance and optimisation in mind. Identify poorly performing queries and implement fixes. Work closely with Tech services to ensure security best practice around data protection, authentication, and authorisation. Conducting regular security audits and more »

for developers who are keen to gain experience working in London’s fast growing fintech ecosystem. Revenir’s core product is a white label API, which enhances the capabilities of banking apps, automatically refunding VAT (Value Added Tax) to customers, typically within 48 hours. Banks are now collaborating with … built and developed an innovative product which utilises a range of AWS services, including Lambda, SQS, EventBridge (Pipes, Rules, Busses), Step Functions (Express & Standard), API Gateway, and DynamoDB. Responsibilities : Support API Development: Collaborate with the team to research and contribute to the design documentation of APIs, assisting … requirements and contribute where possible. Essentials: Educational Background: Currently pursuing or recently completed a degree in Computer Science, Software Engineering, or a related field. API Understanding: Awareness of RESTful API design principles and some exposure to server-side development concepts. Introduction to AI and ML: Some exposure more »

public sector clients, helping to deliver Solirius’ services to the highest standard. The role will involve working with multiple business stakeholders, helping them to design business solutions which will then be implemented by the delivery teams. As a Junior Solution Architect, you will undertake a structured analysis of technical … issues, translating this analysis into designs that describe a solution. You will be consulted on the design and can provide design patterns. You will identify the deeper issues that need fixing and look for opportunities to collaborate and reuse components, communicating with both technical and non-technical stakeholders. … with management and communication skills ● Hold between 2-6 years of experience in a Software Engineering/architecture or development role. ● Experience in the design & implementation of end-to-end data and application architectures. ● Experience in conceptual, logical and physical modelling. ● Experience in the design & implementation of complex more »

ensure the pricing information is accurate, drawing on information from multiple different systems. Key responsibilities: Creating the technical solution and taking responsibility for the design and implementation of the solution that will improve the quality and accuracy of product pricing information. Building an understanding of the existing landscape and … how this will impact the design of a solution that can operate effectively. Providing technical leadership and ensuring risk management is understood to identify and mitigate existing business risk or risks associated with solution implementation. Operating across the solution end-to-end from its inception through to successful implementation. … Liaising with key stakeholders across the company, group, and their suppliers. Ideal technical skills include: Azure Data Bricks, API Design and Solid SA principles. Please submit your profile and we will be in touch asap. more »

React Native, is preferred, while familiarity with Swift/Objective-C or Kotlin is advantageous. Additionally, a solid grasp of application architecture and RESTful API design is crucial. Proficiency in a systems-level language such as C, C++, Rust, or Go is also desirable. About the Tech Any more »

UK. Salary £50,000 per annum About Us: Join a prominent innovator in the electronic solutions industry. Our company is dedicated to advancing the design, development, and manufacturing of sophisticated electronic systems for various sectors globally. With a focus on excellence and innovation, we continuously push the boundaries of … services. Your role will involve collaborating with embedded software engineers, hardware engineers, and system architects to enhance application performance and user experience. Key Responsibilities : Design and test software applications for Windows/Linux and Android devices. Develop Web applications for data transfer and streaming services (both Back- and Frontend … applications). Design databases and establish database connectivity over IP. Collaborate with embedded software engineers, hardware engineers, and system architects to enhance application performance and user experience. Manage releases and builds in a structured manner to track changes and variants effectively. Improve and document test procedures and test processes more »

Software Developer About Us: Join a prominent innovator in the electronic solutions industry. Our company is dedicated to advancing the design, development, and manufacturing of sophisticated electronic systems for various sectors globally. With a focus on excellence and innovation, we continuously push the boundaries of technology to deliver outstanding … services. Your role will involve collaborating with embedded software engineers, hardware engineers, and system architects to enhance application performance and user experience. Key Responsibilities: Design and test software applications for Windows/Linux and Android devices. Develop Web applications for data transfer and streaming services (both Back- and Frontend … applications). Design databases and establish database connectivity over IP. Collaborate with embedded software engineers, hardware engineers, and system architects to enhance application performance and user experience. Manage releases and builds in a structured manner to track changes and variants effectively. Improve and document test procedures and test processes more »