API Development Jobs in London

1 to 25 of 84 API Development Jobs in London

Senior Full Stack developer

Greater London, England, United Kingdom
GIMO Global Interactive Marketing Online Ltd
as NetBet, 777, and betFIRST We have a very multicultural team here at GIMO with employees specialising in all aspects of Marketing, Affiliation Marketing, Development, Web Design, Content, Analysis, Software Development and Customer Service. THE ROLE We are looking for a full-time Senior Full Stack Developer with … at least 5 years of software development experience having a focus on front-end & back-end development. (2-5 years’ experience in React.JS, Node.JS). The candidate will develop new application features and maintain existing ones, someone who is comfortable with both front and back end programming. This position … experience as a Full Stack Developer or similar role Proven prowess with PHP and React (with React Native or Next.js framework) Mastery of RESTful API development. In-depth understanding of MySQL and Redis. Familiarity with Kafka Acquaintance with TypeScript Nice-to-Haves: Node.js proficiency, especially with websockets. Experience working more »
Posted:

Data Engineer

Greater London, England, United Kingdom
Hybrid / WFH Options
Agora Talent
contributing to complex shared repositories. What’s nice to have: • Prior early-stage B2B SaaS experience involving client-facing projects • Experience in front-end development and competency in JavaScript • Knowledge of API development • Familiarity with Airflow, DBT, Databricks • Experience working with Enterprise Resource Planning (e.g. Oracle, SAP more »
Posted:

Technical Product Manager

London Area, United Kingdom
FairPlay Sports Media
product vision, roadmap, and priorities to all stakeholders, including engineering, sales, marketing, and customer success teams. Facilitate cross-functional collaboration to ensure seamless product development and launch. Gather and analyze user feedback to identify areas for improvement and inform future product iterations. Manage external vendor relationships and ensure successful … and ad exchanges. Strong technical knowledge of ad serving, real-time bidding (RTB), and ad analytics. Strong technical background with experience working with software development methodologies (Agile, Scrum). Excellent communication and collaboration skills with the ability to influence cross-functional teams. Data-driven mindset with experience in defining … and tracking product KPIs. Experience in user research and ability to translate user feedback into actionable product roadmaps. Desired: Experience with API development and integration. Experience working with cloud-based platforms (e.g., AWS, Azure, GCP). Experience in managing external vendor relationships (optional, but a plus). What more »
Posted:

API Product Evangelist

London Area, United Kingdom
Hybrid / WFH Options
Ventula Consulting
API Product Evangelist – Developer Marketplace One of the worlds great telecoms companies is expanding its developer marketplace. This company are a global brand name renowned for product innovation. This is an exciting and rare opportunity to join an empowered team which operates as an agile start-up, whilst equally … the way our business operates and who will help shape the set-up of our new Developer Marketplace channel. They are seeking a dynamic API Product Specialist/Evangelist to join our team. The API Product Specialist will work with Business product teams to help design and deliver … the successful adoption of API based products and services via Developer Marketplace. This will involve providing consultancy on API technologies to the wider organisation, contributing to product development initiatives, and ensuring alignment with the development of strategic product portfolios and API relevant industry initiatives Responsibilities more »
Posted:

Senior C# Developer

London Area, United Kingdom
Hybrid / WFH Options
Nicoll Curtin
Applications team, contributing significantly to the design, implementation, and maintenance of business and information system solutions. Your expertise will be pivotal in guiding the development process, ensuring alignment with business requirements, and delivering successful outcomes. Responsibilities: Design technical solutions for new software applications or enhancements to existing ones. Develop … Review code and test software developed by team members. Document application details to facilitate future maintenance. Provide support for production issues, particularly related to development activities. Collaborate with management and stakeholders to define programming tasks. Adhere strictly to established programming standards. Recommend improvements to internal standards and procedures as … needed. Key Skills: Strong command of C# programming language Proficiency in .NET framework Experience with Web API development Familiarity with JavaScript and Angular for front-end development Competence in SQL database management This is a full-time position with a competitive salary of up to £78k, inclusive more »
Posted:

Full Stack Engineer

London Area, United Kingdom
Experis UK
some of the world’s leading broadcasters, sports organisations and content owners, redefining how online video is delivered. The focus of the role is API development using the latest version of Laravel, plus enhancing the web-based Content Management System (CMS) frontend, using the TALL stack (Tailwind, Alpine.js … and Alpine.js • Minimum 2 years’ commercial experience using Laravel. • Working with large MYSQL databases. • Experience implementing third-party APIs and creating RESTful APIs • Agile development methodologies • Collaborative code management using Git. • Solid understanding of major principles of Object-Oriented Programming. This is a great opportunity to join a growing … technology today. If you are interested in learning more and feel you have the required experience, then please apply ASAP Software engineering, Laravel, PHP, API, OOP, MySQL, Software Developer, Software Engineer, Laravel Developer, Tailwind, Apline.js, Livewire, Vanilla JavaScript, Tall Stack more »
Posted:

Data Scientist

London Area, United Kingdom
Vallum Associates
looking for a skilled Data Scientist to join their London-based AI Tech Firm. This individual will play a key role in shaping future development and contributing to various exciting projects. Based in our London office, this role offers excellent opportunities for professional growth, where you'll support products … and German, with French being a plus. Desirable experience in Consulting or Customer-facing Data Science roles, Data Engineering, MLOps, WebApps (Javascript, RShiny, Dash), API development, and enterprise data science tools. Passion for teaching or public speaking is advantageous. Responsibilities include: Developing solutions for real-world problems and more »
Posted:

Python Engineer - Django, RESTful, Microservices

London Area, United Kingdom
Global Resourcing
to operate. Skills & Experience Experience in coding Python with Django framework Experience with microservices and using related tools – e.g. Docker, AWS, Kafka, Lambda. RESTful API development and management, Transactional management. Databases – e.g. PostgreSQL, MongoDB and SQL. Experience with data science libraries is highly desirable. Performance Tuning. Solid understanding more »
Posted:

Software Engineer

City Of London, England, United Kingdom
Hybrid / WFH Options
Equifind
ensure they remain a top tier product. This is an exciting time to join the business as the IT are in their growth and development stage. Key duties of this Full Stack Developer role include: You will be working on developing two different tools for the client - one internal … technologies: Laravel Livewire, Laravel Jetstream, Laravel Blade, Laravel Sail, Filament, and Laravel Vapor. Confident front and back end user. A background in secure application development, ideally from regulated financial services or a fast-paced start-up. Extensive experience with Agile Scrum. Minimum of 6 years of experience with PHP … HTML, CSS, Javascript, and SQL Extensive knowledge of PHP 8.2 and proficiency in PostgreSQL. Experience in RESTful API design and development Strong abilities in writing maintainable and scalable code adhering to specific coding standards and styles. Nice to have experience: Experience with application middleware (API gateways, ESBs more »
Posted:

Lead Software Engineer (Python)

London, United Kingdom
Hybrid / WFH Options
Arthur
to join the team and help drive innovation across all areas of software development. This Lead Software Engineer will be championing the best software development practices, mentoring team members, and contributing significantly on software design and architecture. Essential skills for the Lead Software Engineer: Extensive career in software engineering … API development with primarily Python Familiar with Python frameworks, preferably FastAPI but failing that Django Strong cloud competency, Azure, AWS or GCP Familiar with serverless technologies, Azure Functions or AWS Lambdas Familiar with both SQL and NoSQL DBs Strong DevOps skills across CI/CD and IaC UI … development using React on TypeScript preferred Target Salary: £100,000 - £110,000 per annum Location: London EC3A/WFH hybrid Start Date: ASAP, up to 3 month notice periods Benefits: 25 days leave rising to 30, Private Medical, enhanced Maternity (26 weeks full) and Paternity (8 weeks full), enhanced more »
Employment Type: Permanent
Salary: GBP 110,000 Annual
Posted:

Full Stack Engineer

London Area, United Kingdom
JABS Medtech
knack for designing intuitive user interfaces. The ideal candidate will be passionate about adopting the latest technology trends and have a strong background in API development and integration. Responsibilities: Develop high-quality, scalable, and reusable code using React with TypeScript. Lead the frontend development team in implementing … robust web applications and interfaces. Integrate front-end applications with back-end services via API connections, ensuring seamless data exchange. Optimise applications for maximum speed and scalability while ensuring security and data protection. Collaborate with cross-functional teams to define, design, and ship new features. Stay up-to-date … with emerging trends and technologies in frontend development and incorporate them into projects. Requirements: Bachelor's degree in Computer Science, Software Engineering, or related field. 5+ years of experience in frontend development with a strong portfolio in React and TypeScript projects. Proficiency in Node.js, Python and understanding of more »
Posted:

Application Support Developer

London Area, United Kingdom
Hybrid / WFH Options
Kantar
developments and approaches relating to the ongoing project on the redevelopment of our Shop and Scan website. Responsibilities will also include BAU support and development of multiple bespoke internally developed applications, liaising directly with the Operations team on support and development matters, and collaborating with the wider System … provide the most intuitive and efficient way to analyse our shopper behaviour’s data. What you’ll be doing Assist the Application Manager in development projects and business-as-usual (BAU) support. Take ownership of development requests, actively progress them, and proactively triage and resolve support tickets. Collaboratively … s or Master’s Degree) in Computer Science, Software Engineering or equivalent fields. Minimum of 3-4 years of previous experience in full-stack development roles – preferably in application development. Proficiency in Front-End web development primarily with JS, HTML5 and CSS. Proficiency in Back-End development more »
Posted:

Realtime Risk Java Developer

London Area, United Kingdom
CRISIL Limited
code for the Risk Tech. Primary task would be to help the bank design and enhance the rates trading infrastructure right from design to development and testing. Develop technical specifications, high level/detailed design, testing strategies, and implementation plans from business requirement As the successful applicant you will … be responsible for supporting modern agile software development methods; including educating & mentoring less experienced OOP team members. Overall the work will be flexible based on client requirements. Core Skills: Good grasp of core concepts of computer science such as algorithmic thinking, data structures, and their application to enhance program … efficiency. Distributed and low latency application architecture development and maintenance Engaging in projects involving cutting-edge technologies with a primary emphasis on performance, handling large datasets, and transitioning towards event-driven architecture Utilizing Java 17+ with Spring/Spring Boot 3+, SQL/Oracle Effective experience with Redis, Apache more »
Posted:

Software Developer - API expert - Innovative Big Data Group - Hedge Fund

London Area, United Kingdom
Xcede
with genuine expertise in Python to work within a fast paced Data team . You will work very closely with Quant Research, Trading, Quant Development and traditional ETL/ELT Data Engineering. In this latency sensitive trading environment , your work is intrinsic to the firms PnL. Your core focus … following areas, to enable the capture, ingestion, transformation, storage, and provision (up and downstream) of large alternate datasets covering structured, semi-structured, and unstructured - API Layer Central Data Platform Telemetry tools Bespoke Data tools for the front office teams Post 18-24 months successful tenure previous individuals have moved … internally into .... Lead roles Quant Development High performance development and Algo Engineering teams Risk and Analytics teams Opportunity for internal mobility to APAC and East Coast U.S promoted. Desired background and skills 3+ years of exp. as a Software Engineer/Big Data Engineer with an understanding more »
Posted:

Software Developer - API expert - Innovative Big Data Group - Hedge Fund

london, south east england, United Kingdom
Xcede
with genuine expertise in Python to work within a fast paced Data team . You will work very closely with Quant Research, Trading, Quant Development and traditional ETL/ELT Data Engineering. In this latency sensitive trading environment , your work is intrinsic to the firms PnL. Your core focus … following areas, to enable the capture, ingestion, transformation, storage, and provision (up and downstream) of large alternate datasets covering structured, semi-structured, and unstructured - API Layer Central Data Platform Telemetry tools Bespoke Data tools for the front office teams Post 18-24 months successful tenure previous individuals have moved … internally into .... Lead roles Quant Development High performance development and Algo Engineering teams Risk and Analytics teams Opportunity for internal mobility to APAC and East Coast U.S promoted. Desired background and skills 3+ years of exp. as a Software Engineer/Big Data Engineer with an understanding more »
Posted:

Lead IOT Product manager

London Area, United Kingdom
Hybrid / WFH Options
X4 Technology
Lead IOT Product manager opportunity to work on next gen wearable development through use of cutting-edge micro tracking devices, anchored by a network of fixed beacons, The business partner with some of the largest international brands and are currently completing series B. You will be part of the … for the following experience to join the senior leadership team for the next chapter of the business; Experience as product manager Good experience with API development Experience with embedded systems, and technical background. The client are looking for an energetic, passionate and experienced Lead Technical Product Manager to … and data science that brings it to life. You will collaborate closely with cross-functional teams, including software, data science, hardware, product, and business development, to deliver world-class solutions that revolutionize the industry! Lead Hardware IOT Product manager Responsibilities Define and prioritize technical product specifications based on market more »
Posted:

Laravel Developer (TALL stack)

Greater London, England, United Kingdom
Hybrid / WFH Options
Christy Media Solutions
workflows and is optimised to manage, distribute, monetise and analyse live and on-demand video. In joining the team, you'll focused on backend API development using Laravel whilst enhancing their browser-based CMS frontend using the TALL stack. Key responsibilities: Build solutions that leverage object-oriented and … with the TALL stack (Tailwind, Alpine.js, Laravel and Livewire) Understanding of Laravel Queues, Jobs, Horizon, Supervisor, Laravel Pint, Larastan, RectorPHP, Laravel Shift Containerised application development Experience in a TDD environment using PHPUnit, PestPHP or Laravel Dusk Understanding of AWS Experience within the media sector or video streaming This is more »
Posted:

Laravel Developer (TALL stack)

london, south east england, United Kingdom
Hybrid / WFH Options
Christy Media Solutions
workflows and is optimised to manage, distribute, monetise and analyse live and on-demand video. In joining the team, you'll focused on backend API development using Laravel whilst enhancing their browser-based CMS frontend using the TALL stack. Key responsibilities: Build solutions that leverage object-oriented and … with the TALL stack (Tailwind, Alpine.js, Laravel and Livewire) Understanding of Laravel Queues, Jobs, Horizon, Supervisor, Laravel Pint, Larastan, RectorPHP, Laravel Shift Containerised application development Experience in a TDD environment using PHPUnit, PestPHP or Laravel Dusk Understanding of AWS Experience within the media sector or video streaming This is more »
Posted:

Senior Python API Developer

London Area, United Kingdom
Ocean Red Partners
Senior Python Data API Developer The Role: Ocean Red Partners are currently looking for a Senior Python Data API Developer. The responsibilities include participating in all phases of the software development lifecycle and knowledge transfer where required. This role is a consultative position so will require excellent … style and a genuine focus on customer satisfaction. You will be involved in a variety of activities, typically: Help design and implement functional requirements Development of Python APIs and documentation to support model generation and automation Manage testing and bug fixes Integrate front-end components into applications Implement software … enhancements and suggest improvements Requirements Solid experience as Python Data API Developer Experience developing Python APIs and documentation Experience with automated diagram generation Experience with data pipelines tooling e.g. Databricks Attention to detail with a proven focus on quality BSc in Computer Science, Engineering or relevant field This role more »
Posted:

Data Product Manager

Chiswick, England, United Kingdom
Hybrid / WFH Options
4GLOBAL PLC
highest data quality in our database, generating data logic for key performance indicator (KPI) calculations for our core products and services, and overseeing the development of APIs by the technical team. This position demands a blend of technical acumen, project management skills, and a deep understanding of data's … role in product development and enhancement. Responsibilities: • Data Integration Management: Oversee the integration process with data provider companies, ensuring accurate data matching and seamless setup of new integrations. • Quality Assurance and Data Logic Development: Ensure the integrity and accuracy of data within our database. Develop and maintain the … logic for KPI calculations that underpin our core products and services, working closely with the technical team to implement these via API development. • Technical Liaison and Support Coordination: Serve as a bridge between the technical team and data providers to facilitate the development and implementation of integrations. Assist more »
Posted:

Applications Analyst, London, £50k

City of London, London, United Kingdom
Langley James Limited
within the legal sector based in close proximity to Farringdon station and paying up to £50k. You will play a critical role in the development, implementation and maintenance of software applications within the organisation. The Applications Analyst will work in a small team of experienced Developers on a wide … array of projects with a focus on Web and API development. The position will consist of reviewing, conducting systems analysis, specifying requirements, designing, building, testing, implementing, and documenting projects to meet business operational needs. Responsibilities: Collaborate with senior developers on software design and development. Write clean, efficient, reusable code. … Improve efficiency and productivity processes. Expand skills through training and self-study. Adapt to new technologies and methodologies. Relevant skills Solid understanding of software development principles and methodologies Modern JavaScript UI framework - Angular 4+/TypeScript) Full stack languages C#, JavaScript, Node.js, JQuery, HTML, CSS/Entity Framework Core more »
Employment Type: Permanent
Salary: £45,000
Posted:

Senior Backend Engineer

Central London, London, United Kingdom
Hybrid / WFH Options
TMW Unlimited
progressive forward-thinking agency? TMWX is a cutting-edge tech agency dedicated to revolutionising digital experiences through the adoption of a Composable MACH (Microservices, API-first, Cloud-native, Headless) architecture. We have a new opportunity for an enthusiastic and experienced Senior Backend Engineer. Youll be passionate about leveraging the … modern programming languages and frameworks such as C#, Node.js, Python, or Go. Write clean, maintainable, and well-documented code following coding standards and software development best practices. Perform code reviews, ensuring quality and maintainability and provide constructive feedback, and mentor junior engineers to foster a culture of continuous learning … a high degree of automation, clean architecture, and high quality with a customer-centric mindset. Commercial experience of writing and integrating with Microservices and API development. A hunger to seek out new technologies, industry trends, and best practices -- and enjoy sharing that knowledge with others. Have experience with React more »
Employment Type: Permanent, Work From Home
Salary: £70,000
Posted:

Senior Consultant-Full stack development with React, NodeJS & AWS

london, south east england, United Kingdom
Infosys
Role – Senior Consultant/Senior Developer Technology – Full stack development with React, NodeJS & AWS Location – London Job Description As a Senior consultant, you are an expert at contributing to different phases of the consulting lifecycle. You will be intensely involved in; you will define the problem, propose and refine … the solution. You will also play an important role in the development, configuration and deployment of the overall solution. You will guide teams on project processes, deliverables and contribute to the proposal development, client training and internal capability-building and help detail the project scope. You will have … opportunity to shape value-adding consulting solutions that enable our clients to meet the changing needs of the global landscape. Responsibilities: Demonstrate front end Development using React JS and associated frameworks Deliver Backend API development with Node.js API development, TypeScript, DynamoDB, and AWS Lambda. Develop more »
Posted:

Senior Consultant-Full stack development with React, NodeJS & AWS

London Area, United Kingdom
Infosys
Role – Senior Consultant/Senior Developer Technology – Full stack development with React, NodeJS & AWS Location – London Job Description As a Senior consultant, you are an expert at contributing to different phases of the consulting lifecycle. You will be intensely involved in; you will define the problem, propose and refine … the solution. You will also play an important role in the development, configuration and deployment of the overall solution. You will guide teams on project processes, deliverables and contribute to the proposal development, client training and internal capability-building and help detail the project scope. You will have … opportunity to shape value-adding consulting solutions that enable our clients to meet the changing needs of the global landscape. Responsibilities: Demonstrate front end Development using React JS and associated frameworks Deliver Backend API development with Node.js API development, TypeScript, DynamoDB, and AWS Lambda. Develop more »
Posted:

Full Stack Engineer

london, south east england, United Kingdom
JABS Medtech
knack for designing intuitive user interfaces. The ideal candidate will be passionate about adopting the latest technology trends and have a strong background in API development and integration. Responsibilities: Develop high-quality, scalable, and reusable code using React with TypeScript. Lead the frontend development team in implementing … robust web applications and interfaces. Integrate front-end applications with back-end services via API connections, ensuring seamless data exchange. Optimise applications for maximum speed and scalability while ensuring security and data protection. Collaborate with cross-functional teams to define, design, and ship new features. Stay up-to-date … with emerging trends and technologies in frontend development and incorporate them into projects. Requirements: Bachelor's degree in Computer Science, Software Engineering, or related field. 5+ years of experience in frontend development with a strong portfolio in React and TypeScript projects. Proficiency in Node.js, Python and understanding of more »
Posted:
API Development
London
10th Percentile
£54,250
25th Percentile
£56,250
Median
£77,500
75th Percentile
£87,500
90th Percentile
£97,500