1 to 25 of 41 Permanent API Development Jobs in London

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 »

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 »

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 »

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 »

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 »

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 »

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 »

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 »

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 »

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 »

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 »

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 »

and budgeting tools powered by Open Banking technology. Key benefits for Head of Engineering Competitive salary depending on experience Lots of room for career development ( with a clear pathway to CTO ) EMI options (equity) The opportunity to work for a company with purpose at the leading edge of fintech. … to execute your ideas with a passionate and motivated team supporting you About the role The engineering team is currently outsourced to an external development company but they plan to bring engineering expertise onto the permanent team this year, starting with you. As Head of Engineering, you will be … codebase, all technical decisions and all engineers at Level, including the recruitment of new staff. You will play a central role in the future development of Level’s software, especially as regards transitioning to an API-first company. As you would expect at a startup, this is a more »

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 »

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 »

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 »

the Digital Data and Technology directorate of a leading organisation! Role Overview: As a Front End Website Platform Engineer, you'll contribute to the development of high-quality systems and platforms, focusing on building out front-end changes. You'll work within a multifunctional DevOps squad, developing scalable solutions … ensuring exceptional service and solution delivery. Key Responsibilities: - Coordinate and support solution delivery through hands-on build work, coding, and configuration changes. - Lead technical development on key projects, providing coaching and support to team members. - Produce well-designed, testable, and efficient code while ensuring comprehensive documentation. - Perform unit and … diversity, and inclusion in the workplace. Our Ideal Candidate Has: - A degree in computing or a related field, or equivalent commercial experience. - Front-end development experience with advanced skills in Vue JS Framework, JavaScript ES6/TypeScript, Node.js, HTML5, CSS/SASS. - Experience with Agile/Scrum methodologies, CI more »

external & internal), as well as improved collaboration between different business lines. As a Senior Fullstack Engineer, you will undertake a mixture of server-side development in Java & SpringBoot and frontend development using JavaScript and ReactJS, noting that the role will be more frontend leaning. This will involve building … micro front-end services, integrated via REST API for the Fixed Income product line, as well as contributing to a wider suite of centralised/shared tools and services on the wider platform itself. To be successful, you will demonstrate strong skills in the following: Frontend/UI engineering … micro frontends. Server-side engineering in Java, and the building of SpringBoot microservices Practical experience of testing, preferably using Cypress on the frontend Modern development best practises including TDD and DevOps, being familiar with modifying CI/CD pipelines to maximise efficiency. REST API development and integration. more »

Software Engineer C#/.NET and API Focus London (2-3 days a week in office) Cititec Talent is seeking a skilled Software Engineer to join an investment bank's technology team. You will play a pivotal role in crafting robust back and middle office solutions to support critical … operations. Responsibilities: Back and Middle Office Solutions : Develop and maintain software systems that support back and middle office functionalities, ensuring seamless and efficient operations. API Development : Design, build, and maintain APIs to integrate various systems and ensure smooth data flow across different platforms. Microservices Architecture : Implement microservices to … enhance system scalability, reliability, and performance. Collaborative Development : Engage in team discussions, participate in pair programming sessions, and conduct code reviews to maintain high standards of software quality. Industry Best Practices : Apply industry best practices in software development, ensuring solutions are secure, scalable, and maintainable. Required Skills: C# more »

solving problems like the above Recent experience in Symfony and PHP It’s nice if you’re familiar with: web interface and database-driven API development, particularly for B2B products dynamic and rich front-end experiences agile software development DevOps tools and practices – they use DigitalOcean, GitLab more »

understanding of backend systems, performance optimisation along with programming languages such as Java and Python and a familiarity with AEM. Key Responsibilities: Server-Side Development: Utilise your expertise in programming languages such as Java and Python to develop, maintain, and optimize backend systems. API Management: Design, implement, and … and scalability. Additional Technologies: While not mandatory, familiarity with AEM, Apache Sling, OSGi, and headless CMS architectures will be advantageous. Best Practices: Apply software development principles and best practices to deliver high-quality, maintainable code. Performance Optimisation: Enhance the performance, security, and scalability of backend systems to meet the … mentorship to junior developers, leading backend projects to successful completion. Qualifications and Experience: Proven experience in server-side programming languages (e.g., Java, Python). API Development: Extensive experience with RESTful APIs and GraphQL. Infrastructure Management: Proficient in using infrastructure-as-code tools like Terraform. Cloud Expertise: Hands-on more »

the businesses database, develop and maintain the logic for KPI calculations for core products and services, working with other teams to implement these for API development Serve as the bridge between the tech teams and data providers to facilitate the development and implementation of intergrations Implement and … KPIs to assess the success and impact of data in the products YOUR KEY SKILLS AND EXPERIENCE Strong background in product management and product development Technical expertise in SQL, JIRA and Salesforce Proven experience in data management and integration THE BENEFITS Up to £70,000 + benefits Hybrid London more »

platform for a market-leading application set for imminent launch. Job Description As a Lead PHP Developer, you will be responsible for leading the development, maintenance, and enhancement of the backend systems. You will work closely with the 3rd party mobile and web development teams to implement new … and JavaScript. Experience Proven experience as a PHP Developer with a strong understanding of the Laravel framework. Demonstrated leadership abilities and experience managing a development team. Experience in Developing IOS and/or Android, using Swift & Kotlin Experience with RESTful API development. Familiarity with AWS services, particularly RDS. … front-end technologies such as JavaScript, HTML, and CSS. A proactive attitude towards learning new technologies and frameworks. Experience in an Agile/Scrum development environment. Due to the volume of applications only CVs which match the required skills will be contacted. more »

CPG, and Public Services. Consolidated revenues as of $13 billion. Job description- From a technology perspective, we require 10+ years of experience in software development as an lead developer with strong Java, Kubernetes/docker experience along side Authorization experience. Mandatory Skills – Java, Spring boot, Micro-services, Kubernetes/… Docker and Authorization The candidate should be able to demonstrate experience with: • Minimum 7 year experience with strong application development on Java/JEE platform, open-source technologies with any cloud background (GCP/AWS/Azure) • 3+ years of experience in a technical architecture/solutions role especially … like GCP/AWS/Azure • Exposure and knowledge on Docker, Google Kubernetes environment is preferred. • Experience in spring framework, spring boot and REST API development with data processing and storage solutions on GCP/AWS/Azure • Hands on experience on application security implementation, SAML, OAuth 2.0 more »

/hybrid 3 days per week in Office– 50k per annum. My prestigious legal client is looking for an Application Developer to join their development team in London. The successful candidate will be joining a team made up of experienced Developers and will be working on a wide range … of projects focusing on Web and API development. The Application Developer will be involved in the full development life cycle from reviewing system analysis all the way through to Implementation and documentation. It is important that you have excellent communication and stakeholder management skills as you will be … solutions and liaising closely with other areas within the IT Department and wider business. Key Skills and experience required. • Excellent understanding and knowledge of development principles and methodologies. • JavaScript • Angular • ASP.Net • Web API • TypeScript • C#, .NET • Azure DevOps • GIT • RESTful web services • HTML • CSS • Entity Framework Core Applications more »