API Design Jobs in the UK

1 to 25 of 46 API Design Jobs in the UK

Senior Software Engineer

South East London, London, United Kingdom
ADLIB Recruitment
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 … in a world-class engineering team in the longer term. Day to day tasks include - Collaborating 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 »
Employment Type: Permanent
Posted:

C# Developer - .NET C#

London, United Kingdom
Hybrid / WFH Options
Global Technology Solutions Ltd
from the existing team and reciprocally teach new ideas and technologies. Required experience: Excellent communication skills. .NET C# (2+ years) commercial experience Experience with API design/REST Microservices Knowledge of software design patterns/Threading Agile methodologies Unit testing/TDD/Mocking Candidates with the more »
Employment Type: Permanent
Salary: GBP 65,000 Annual
Posted:

Sage X3 Developer

Northampton, Northamptonshire, East Midlands, United Kingdom
Connexa
X3 Developer to join their talented team. The ideal candidate will have a strong background in Sage X3 and expertise in REST, SOAP, and API Design. This role offers an exciting opportunity to work on challenging projects, contribute to innovative solutions, and grow your career within a supportive and … forward-thinking company. Key Responsibilities: Develop, customize, and maintain Sage X3 applications to meet business requirements. Design and implement REST and SOAP APIs to facilitate seamless integration with other systems. Collaborate with cross-functional teams to understand business needs and translate them into technical specifications. Troubleshoot and resolve issues more »
Employment Type: Permanent
Salary: £60,000
Posted:

Technical Lead

United Kingdom
ADLIB Recruitment
framework, components, and tools. Experience with containerization technologies like Docker. Experience integrating Laravel APIs with front-end frameworks (e.g., Vue.js). Strong understanding of API design principles, RESTful architectures, and web standards. Familiarity with PHP web server environments and optimization techniques. Experience with project management tools (e.g., Jira more »
Employment Type: Permanent
Salary: £75,000
Posted:

Senior Java Backend Engineer, Vice President

London, England, United Kingdom
Hybrid / WFH Options
BlackRock
learner: Pick up new concepts and apply them quickly. Your Responsibilities Work closely alongside the overall Engineering Lead to shape and deliver the technical API strategy and direction for the Private Markets API team. Manage a small team of developers, providing mentorship, guidance, and support to help them … availability, concurrent and fault tolerant software systems. Collaborate with product managers, designers, and other stakeholders to understand requirements and translate them into technical specifications. Design, develop, and implement secure, scalable, and reliable micro-services to deliver client-facing APIs built on Java technologies, using both REST and gRPC where … required. Optimize API performance and reliability through continuous testing, debugging, and refinement. Drive best practices for API documentation, versioning, and maintenance. Stay abreast of industry trends and emerging technologies to drive innovation and maintain a competitive edge. Provide technical leadership and mentorship to developers, fostering a culture of more »
Posted:

C# Developer - .NET C#

Ashford, Surrey, South East, United Kingdom
Hybrid / WFH Options
Global Technology Solutions Ltd
from the existing team and reciprocally teach new ideas and technologies. Required experience: Excellent communication skills. .NET C# (2+ years) commercial experience Experience with API design/REST Microservices Knowledge of software design patterns/Threading Agile methodologies Unit testing/TDD/Mocking Candidates with the more »
Employment Type: Permanent, Work From Home
Posted:

API Gateway Developer - Node.js

Slough, Berkshire, United Kingdom
Hydrogen Group
I am looking for an API Gateway developer with strong Node.js experience. THIS ROLE IS ABLE TO SPONSOR a candidate that is ALREADY LOCATED in the UK . As an API Gateway Developer, you will develop APIs on the Apigee Edge platform, ensuring seamless integration and communication between … could be based in Manchester or Slough. They do 1-2 days per week in the office but it can be less. Key Responsibilities: Design, develop, and implement secure RESTful APIs using Apigee Edge. Collaborate with solution architects and development teams to create scalable and secure API solutions. … with various applications and services. Troubleshoot and resolve integration issues. Implement monitoring and logging solutions. Conduct performance assessments and optimizations. Create and maintain comprehensive API documentation. Work closely with cross-functional teams to understand business requirements. Skills & Experience: Bachelor's degree in Computer Science, Information Technology, or related field. more »
Employment Type: Permanent
Salary: GBP 65,000 Annual
Posted:

Senior PHP Developer X 4

Manchester, United Kingdom
Adria Solutions Ltd
Good understanding of broader development theory: MVC, OOP, TDD (Test Driven Development), Functional Programming, Microservices, Event-driven, Concurrency vs Parallelism, Security best practices, SQL, API Design patterns. Comfortable using Git for SCM. Unit testing frameworks This role comes with a very competitive salary and benefits package! Interested? If more »
Employment Type: Permanent
Salary: £40000 - £60000/annum
Posted:

Principle Software Design Engineer

Milton Keynes, Buckinghamshire, South East, United Kingdom
Belcan Technical Recruiting (UK) Ltd
Join Our Client's Cutting-Edge Team as a Principal Software Design Engineer! Our client is seeking a passionate, collaborative, energetic, and forward-thinking individual to join their team as a Principal Software Design Engineer. We are developers and pioneers of out-of-the-box communication systems for … satellites, UAVs, launch vehicles, and other space and airborne platforms. Responsibilities: Design and implement software for embedded devices and systems, from requirements to production and commercial deployment. Design, develop, code, test, debug, and document system software. Review code and system designs. Analyse code for efficiency, stability, and scalability. … new product designs. Support software quality assurance and optimize I/O performance. Provide post-production/in-orbit customer support. Interface with hardware design and development engineers. Assess third-party and open-source software. Qualifications: A Bachelor of Science (BS) or Master of Science (MS) degree in Computer more »
Employment Type: Permanent
Posted:

Snr Embedded Software Engineer

Milton Keynes, Buckinghamshire, South East, United Kingdom
Belcan Technical Recruiting (UK) Ltd
new product designs. Supporting software quality assurance and optimizing I/O performance. Providing post-production/in-orbit customer support. Collaborating with hardware design and development engineers. Assessing third-party and open-source software. Qualifications To excel in this role, you should have: A Bachelor of Science (BS … in Computer Science, Electrical Engineering, or Computer Engineering. 6+ years of industry experience in software development. Hands-on experience with embedded hardware development and API design for interfacing with FPGAs. Familiarity with products for aerospace applications. Proficiency in programming languages such as C or C++. Experience in embedded … systems design with pre-emptive, multitasking real-time operating systems (knowledge of real-time Linux is desirable). Familiarity with software configuration management tools, defect tracking tools, and peer review. Excellent knowledge of real-time system coding techniques, IP protocols, interfaces, and hardware subsystems. Strong understanding of multi-threaded more »
Employment Type: Permanent
Posted:

Software Developer C

Stockport, Greater Manchester, United Kingdom
Hybrid / WFH Options
Rise Technical Recruitment
development manager to help drive the product roadmap The person: *Software Developer with proven commercial experience *Excellent C/C++ skills *Experience with Jenkins, API Design, Networking Concepts, Windows, Linux, Web Platforms, GIT all beneficial *BSc in Computer Science or similar more »
Employment Type: Permanent
Salary: £45000 - £65000/annum 1 day a week on site, great benefits
Posted:

Frontend Developer

United Kingdom
Confidential
interpersonal skills (must be comfortable with screen recording) - bilingual in both French & English. Proven experience as a Front-end Developer (80% UI/20% API) Proficient with modern JS/TS libraries and frameworks like, ReactJS, Svelte, etc. Experience with scaled TypeScript. Experience with server-side languages such as … Node.js (or Python). Familiarity with SQL/NoSQL (e.g., MongoDB, PostgreSQL). Solid understanding of RESTful/Graph API design and integration. Knowledge of version control systems, such as Git. Ability to collaborate effectively within an agile/scrum team environment. Strong problem-solving and analytical skills. … Highly Beneficial Experience working with large datasets. Comfortable gathering and documenting requirements Proficient in component composition and isolation Background in product design or strategy Exp. with Palantir Foundry. Experience in pharmaceutical/finance/healthcare industries. Responsibilities will include: Construct and maintain high-quality web applications that support insight more »
Posted:

Senior Software Engineer

London, United Kingdom
Confidential
migrating the APIs from REST to GraphQL and, as a Senior Software Engineer, you will help in the definition, refinement and evolution of the API design to ensure the data is efficiently exposed, accessed and integrated across multiple domains. It would be particularly useful if you have experience … of API permissions. This is a key strategic project which will have significant impact on their growth plans for 2024 and you will work closely with the Principal Engineer and the CTO to deliver this. Tech Stack - Typescript/Node and GraphQL on AWS with Python for Data. The … Senior Software Engineer will need to demonstrate expertise in some of the following: In-depth knowledge of Typescript/Node and GraphQL, especially the design and build of APIs. An understanding of how to solve challenges of implementing data product APIs. Experience of Domain-Driven Design or Data more »
Posted:

Engineering Manager - Front-End

United Kingdom
Hybrid / WFH Options
Confidential
environment where mistakes are viewed as learning opportunities. Provide technical guidance in React Native and React web development. Assist in driving the architecture and design of our mobile application. Recruitment and Retention: Involved in the hiring process and work to retain top talent by creating a positive and productive … their team is working in, ensuring the team is providing updates, meeting timelines and quality standards. Ensure compliance and security are ingrained in the design of technology artifacts, maintaining proper documentation standards. Driving Technical Excellence within Technology Line: Ensure technical excellence and proficiency within the designated technology line, fostering … continuous improvement, and collaboration within a technology line. Excellent communication, mentorship, and leadership skills, fostering an environment of trust, collaboration, and innovation. Proficiency in API design and integrations A passion about all things sports betting and casino What s in it for you? We offer our employees more more »
Posted:

Enterprise Architect

United Kingdom
Confidential
with the Mergers & Acquisitions/Integrations function, as well as Product, Security, and Technical teams. As a Enterprise Architect, you will spearhead the architectural design and planning for integrating various TMS products and their underlying IT systems in the UK. Integration Strategy and Architect ure:Design and implement … technologies to facilitate integration in a hybrid technical environment, including Linux, Windows, Java, .NET, SQL, NoSQL, and Cloud Na tive.Knowledge and experience with DDD, API Design, Microservices, SOA, ETL, TDD, and related patterns and pract ices.Understand principles and technologies for successful delivery of integrated products and services, including more »
Posted:

Senior Backend Developer

United Kingdom
Confidential
operate at scale? Do you understand web3 and smart contracts, with a portfolio of projects to back up that experience? Is designing and developing API s a passion of yours? If this is you, I have an exciting new position as a Senior Backend Engineer that you ll want … team to help you. Want to find out more? Give me a call on 07706 347 595 or email me at chaz.singhsearchdatagroup.co.uk Key Responsibilities: API Design & development Backend Server Architecture Deployment & DevOps setup Data Storage & management Wiring test suites Help with product scoping and writing specifications Experience: Experience … in designing, architecting and implementing a backend system/API Experience interacting with smart contracts and blockchains Experience with writing tests, using GIT and CI Familiarity with system monitoring tools As mentioned above, you can use your preferred language but Node.Js/Typescript is preferred It would be fantastic more »
Posted:

Senior Software Engineer

London, United Kingdom
Confidential
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 … as excited getting your hands dirty across the development lifecycle. Day to day tasks include - Collaborating 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 »
Posted:

API Developer

City of London, London, United Kingdom
Adecco
API Developer - Job Title : API Developer Location : London or Manchester Remuneration : Up to £65,000 per annum Contract Details : Permanent, Full-time Responsibilities : Develop and maintain high-performing APIs that support our client's digital platforms and services. Collaborate with cross-functional teams to gather requirements and design scalable APIs. Implement and test API integrations with internal and external systems. Troubleshoot and resolve issues related to API functionality and performance. Ensure the security and integrity of the APIs by implementing relevant security measures. Continuously optimise and improve API performance and reliability. Stay up-to … date with industry trends and best practises related to API development. Provide technical support and guidance to other team members. Required Skills and Experience : Proven experience as an API Developer or similar role. Strong knowledge of API design principles and best practises. Proficiency in programming languages more »
Employment Type: Permanent
Posted:

API Gateway Developer

East London, London, United Kingdom
Hybrid / WFH Options
MECS Communications Ltd
API Gateway Developer Apigee Edge, Apigee X, MuleSoft, Rapid API, Tyk, Boomi, Postman, Kong UK wide - Work from Home, Fully remote working @mecscomms is recruiting for a remote based, home working API Gateway Developer. The role will develop new API on the Apigee Edge platform & play … a crucial role in the design, development, implementation, integration & maintenance of various & complex API solutions using Apigee Edge. If you have exposure to: Design of APIs using Apigee Edge, CI/CD, RESTful architectures, web services, DynamoDB tables, JavaScript, Python, Java, Docker, Kubernetes, SOAP, HTTP & Mulesoft, I … m keen to hear from you. Position: Software Engineer, Developer, Application Developer, Software Design, Architecture, API Developer Purpose: Design, develop, implement, integrate & maintain complex API solutions using Apigee Edge to ensure seamless integration & communication between different systems, applications & services whilst maintaining operational management & security of the more »
Employment Type: Permanent, Work From Home
Salary: £65,000
Posted:

Solution Architect

London, United Kingdom
Confidential
Contract Job Description We are currently seeking a high caliber professional to join our team as Solution Architect Principle Responsibilities Work as part of API Design and analysis team with responsibility for API Design, aligned to value streams. The solution architect is responsible for analysis of … existing system and defining the API contract. Prepare Design Document and presentation for the stakeholders Work with Global Enterprise/Solution Architects to review end-to-end technical design. Review/Ensure the technical design is technically coherent and future proof and compliance with technology standards and … immediately for application teams queries/requests _ What You ll Do We are looking for an experienced developer with a strong background in RESTful API design, contract-based development, and architecture modeling, who can deeply understand and analyze the functionalities of our existing applications to effectively design more »
Posted:

Technical Architect – with GCP + Python

London, United Kingdom
Confidential
holistic AI solutions to our internal and external audiences. This is a complex and rewarding technical architecture role covering everything from IAM through to API design through to MDM. It will require significant core architecture experience and requires a level of pragmatism and consideration when making key design … platform. Your role will involve a large amount of technical architecture across the integration, application, and data model domains. You should be familiar with API design, data model design, designing for NFRs/quality attributes and making informed decisions about the architecture of the platform, considering all … and applications in GCP, handling a wide range of technical and non-technical constraints/NFRs/Quality Attributes Significant experience with making key design decisions/architecture decision records, considering all trade-offs, and communicating decisions with reasoning and justification to a wide range of stakeholders Significant experience more »
Posted:

Technical Architect - with GCP + Python

London, United Kingdom
Hybrid / WFH Options
Confidential
holistic AI solutions to our internal and external audiences. This is a complex and rewarding technical architecture role covering everything from IAM through to API design through to MDM. It will require significant core architecture experience and requires a level of pragmatism and consideration when making key design … platform. Your role will involve a large amount of technical architecture across the integration, application, and data model domains. You should be familiar with API design, data model design, designing for NFRs/quality attributes and making informed decisions about the architecture of the platform, considering all … and applications in GCP, handling a wide range of technical and non-technical constraints/NFRs/Quality Attributes Significant experience with making key design decisions/architecture decision records, considering all trade-offs, and communicating decisions with reasoning and justification to a wide range of stakeholders Significant experience more »
Posted:

Senior Software Engineer

London, United Kingdom
Confidential
In addition, the Senior Software Engineer will participate in defining technology and process strategy for Calastone IT, including occasionally leading on innovation or software design pieces of work. Key Responsibilities Develop new features at a high level of quality. Conduct peer reviews of code. Participate in daily Stand-Ups … of the Calastone business. Work closely with tech leads, engineers, testers, and auxiliary personnel. Take ownership of specific initiatives in innovation or technical debt. Design, document and communicate system solutions ensuring a good balance of time, quality, cost and performance. Works with colleagues across the organisation, seeking advice and … a deep and thorough comprehension of: C# at a mature commercial level. .NET Core and related open source technologies. Object Orientation, SOA, and related design patterns. Modern software development practices: agile, version control, code reviews, continuous integration Concurrency, asynchrony, and parallelism. Test Driven Development - Unit Testing frameworks, mocking frameworks more »
Posted:

Solutions Architect

London, United Kingdom
Confidential
investment management. We believe in traditional relationship and service-led banking powered by modern technology. Job Purpose The Solution Architect is responsible for the design and implementation of designs and documentation at the system level. This role requires strong technical expertise, communication and ability to problem solve complex problems … Enterprise Architects & Engineers to create the Architectural runway for our Platform teams; Be responsible for our application architecture and the delivery of our engineering design deliverables and managing architecture decisions through formal governance processes whilst ensuring IT Compliance and governance policies are met. Partner with fellow architects & service providers … end solution designs using relevant architectural building blocks as well as producing designs for features that enable frequent incremental customer value delivery. Promote adaptive design practises to drive collaboration across Platform teams centring on a common vision with continuous feedback. Capture technical design risks or issues and drive more »
Posted:

Principle Enterprise Technology Architect

London, United Kingdom
Confidential
and Core banking platforms for cloud-native environments to scale the business. Develop technology principles, standards, patterns, and guardrails that can be leveraged to design and build scalable and resilient Payments and FX solutions. Provide technical oversight and guidance across multiple complex projects, ensuring architectural best practices and standards … followed. Collaborate with cross-functional teams, including product management, engineering, operations, and compliance, to ensure alignment of technical solutions with business objectives. Constantly evaluate, design, and refresh the technology architecture based on the business strategy. Define and maintain relevant reference architectures and roadmaps. Document as-is architecture, develop target … SWIFT, SEPA, ACH). Proven experience in technology leadership across strategy, enterprise, data, and technical architecture. Defined architecture principles, patterns, and guardrails to guide design and development of solution architecture. Knowledge of modern software development practices, such as Test-Driven Development (TDD), CI/CD, DevSecOps, SRE, etc. Proficiency more »
Posted:
API Design
10th Percentile
£36,750
25th Percentile
£50,625
Median
£62,500
75th Percentile
£78,750
90th Percentile
£100,000