Permanent API Design Jobs in London

25 Permanent API Design Jobs in London

PHP Developer – 70k-80k

London, United Kingdom
Hexwired Recruitment
a PHP Developer who will play a pivotal role in shaping their innovative platform.As a PHP Developer, you will collaborate across diverse teams to design, build and sustain a scalable SaaS application, partner closely with product managers and designers to convert business needs into technological solutions as well as … experience.You will also play a pivotal role in structuring the product’s framework for scalability, contributing to ambitious technical projects, craft and endorse technical design documents outlining the company’s platform structure while conducting thorough code reviews and gain profound knowledge and take ownership of multiple areas within their more »
Salary: £ 70 K
Posted:

Software Engineer

Greater London, England, United Kingdom
Mirus Talent
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 »
Posted:

Senior Systems Development Manager

East London, London, United Kingdom
Everpool Recruitment
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 »
Employment Type: Permanent
Salary: £50,000
Posted:

Technical Architect

Croydon, England, United Kingdom
The Gym Group
many interesting challenges, helping us to complete our transition to an industry leading, fully cloud-native, always-available architecture. You will ensure that the design of new cloud services and features is optimal in the context of our tech ecosystem, considering various functional and non-functional attributes, such as … the ability to strongly advocate for the leading edge in tools and practices with a pragmatic approach to legacy systems. Knowledge of cloud platform design and software design for the cloud are more important for this role than lengthy experience as an Architect: we will be happy to … for someone who is clearly able to demonstrate: Essential skills: Collaboration •Excellent communication •A team player •Advocate for best practice •Produces clear documentation and Design Artifacts •Comfortable presenting to technical and non-technical audiences Technical Architecture •UML or a similar framework (sequence, use case, activity diagrams) •Cloud Architectural Patterns more »
Posted:

Senior Software Engineer (Java & Node.js)

London, United Kingdom
Hybrid / WFH Options
Notonthehighstreet Enterprises
infrastructureSome key skills and experience you’ll need... Technical skills:Proven industry experience with JavaSome experience with Javascript/Typescript for backend developmentSkilled in API design, including RESTful and GraphQLKnowledgeable in database schema design and querying, with experience in SQL (MySQL) and NoSQL (DynamoDB)Experience deploying scalable more »
Salary: £ 70 K
Posted:

Product and Engineering Leader

London Area, United Kingdom
Trade Ledger™
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 »
Posted:

Senior Fullstack Web Developer

London, England, United Kingdom
Hybrid / WFH Options
DiverseJobsMatter
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 »
Posted:

Software Engineer Intern

London, England, United Kingdom
Hybrid / WFH Options
Revenir
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 »
Posted:

Junior Solutions Architect

Greater London, England, United Kingdom
Hybrid / WFH Options
Solirius Consulting
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 »
Posted:

Engineering Director - Database Development and Automation

London, United Kingdom
American Express
are transforming their technology and business capabilities for critical enterprise company platforms/products. The Director leverages and innovates on emerging database technologies and design patterns to accelerate business growth while reducing the overall time to market. The NGDM organization co-locates with the Software Engineering Teams providing turn … of data solutions that meet business needs and requirements. The candidate will provide technical direction to resources, while actively participating in database, domain, and API design sessions while influencing best practices across the Unit CIO/Application teams. This position will also provide leadership to cross-functional teams … an ability to market and influence the strategy to enterprise consumers. Other key aspects of the Engineering Director role are as follows:Leads the design and development, quality and economics of database delivery within Next Generation Data Management team within Amex.Provides direction for technical and business resources that actively more »
Salary: £ 70 K
Posted:

Golang Developer

London, United Kingdom
Understanding Recruitment
on experience developing distributed systems with Golang. They are looking for A Senior Golang Engineer with a good mathematical or computer science background. Strong API Design and UNIX experience are desired.You will be developing highly available and horizontally scalable distributed systems in Golang. Collaborating with other engineers to … solve highly technical problems in innovative ways.Skills: Golang, Microservices, HTTP, RESTful API, UNIX, Continuous Integration, Distributed SystemsPackage: Up to $180,000 CAD + Bonus + Benefits (Healthcare Included)Apply now for immediate consideration for this excellent Golang Engineer opportunity!Understanding Recruitment is acting as an employment agency for this more »
Salary: £ 80 K
Posted:

Data Architect

Chessington, England, United Kingdom
Searchstone Ltd
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 »
Posted:

Full Stack Engineer

London Area, United Kingdom
Hybrid / WFH Options
Hewitt Banks
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 »
Posted:

Senior Python Engineer - Remote & Hybrid - London

London, United Kingdom
Hybrid / WFH Options
Amicus Recruitment
in both the Frontend & Backend.The business currently has a roadmap of around 20 projects for the next 12 months. This consists of everything from API design/Integration, The development of a greenfield performance portal, and 3rd party integrations with new exchange partners.Their current platform is built using more »
Salary: £ 70 K
Posted:

Golang Developer (DeFi, Blockchain)

London, United Kingdom
Hybrid / WFH Options
Understanding Recruitment
Golang DeveloperCompensation: Up to 120k + Equity/Token AllocationLocation: Fully RemoteWe are currently looking for a skilled Golang Developer to design and develop key Golang components for DeFi solutions, including order book, trade execution, matchers, and layer-2 executions.Our company is at the forefront of R&D projects … protocol and smart contracts.The ability to build high-performance REST and Websocket APIs.A strong foundation in Blockchain, Golang, and computer science fundamentals (data structures, API design).Our company is based in NYC and is now in its fifth year of operation. We are expanding our Golang and Rust more »
Salary: £ 100 K
Posted:

Senior iOS Developer

Greater London, England, United Kingdom
Oliver Bernard
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 »
Posted:

Technical Lead

Greater London, England, United Kingdom
UST
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 »
Posted:

MuleSoft Architect

London Area, United Kingdom
OSF Digital
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 »
Posted:

Frontend Developer

London, England, United Kingdom
Arrows
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 »
Posted:

Senior Frontend Developer

Croydon, England, United Kingdom
Janes
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 »
Posted:

Front Office Software Developer

Greater London, England, United Kingdom
Quant Capital
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 »
Posted:

C# Developer - .NET C#

Feltham, London, United Kingdom
Hybrid / WFH Options
Global Technology Solutions Ltd
Wednesdays and Thursdays in the office and Mondays and Fridays remote. 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
Salary: £60,000
Posted:

Software Developer

Greenford, London, United Kingdom
Hybrid / WFH Options
Indotronix Avani UK Ltd
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 »
Employment Type: Permanent, Work From Home
Salary: £55,000
Posted:

Software Developer

Greenford, London, United Kingdom
Indotronix Avani UK Ltd
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 »
Employment Type: Permanent
Posted:

Lead Cloud Engineer

London, United Kingdom
Barts Health NHS Trust
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 »
Employment Type: Fixed-Term
Salary: £66718.00 - £76271.00 a year
Posted:
API Design
London
10th Percentile
£53,375
25th Percentile
£57,500
Median
£77,500
75th Percentile
£100,000
90th Percentile
£113,125