151 api developer jobs found

Mindrift is looking for skilled Full-Stack Web App Developers (JavaScript/TypeScript + Python or Node) to join the Tendem project (https://tendem.ai/) and build interactive browser-based applications for real-world use cases. In this role, you 'll apply your full-stack engineering expertise to design, build, and maintain functional, robust, and user-friendly web applications. This part-time remote opportunity is ideal for professionals with hands-on experience in modern frontend frameworks, backend APIs, databases, and shipping interactive web products end-to-end.   What We Do The Mindrift platform connects specialists with innovative technology projects. Our mission is to help develop high-quality AI technologies by combining real-world expertise from professionals across the globe with advanced AI development efforts.   About the Role This is a freelance role for a Tendem project. As a Full-Stack Web App Developer, you 'll design, build, and refine...

Freelance Full-Stack Web App Developer Description Mindrift is looking for skilled  Full-Stack Web App Developers (JavaScript/TypeScript + Python or Node)  to join the Tendem project ( https://tendem.ai/ ) and build interactive browser-based applications for real-world use cases. In this role, you'll apply your full-stack engineering expertise to design, build, and maintain functional, robust, and user-friendly web applications. This part-time remote opportunity is ideal for professionals with hands-on experience in modern frontend frameworks, backend APIs, databases, and shipping interactive web products end-to-end.   What We Do  The Mindrift platform connects specialists with innovative technology projects. Our mission is to help develop high-quality AI technologies by combining real-world expertise from professionals across the globe with advanced AI development efforts.   About the Role This is a freelance role for...

About the Role We're looking to bring on a developer we can work with long term. A degree and formal experience are a bonus, but not essential. We've worked with excellent developers who simply haven't had the chance to showcase their ability through traditional routes, so what matters most to us is a strong portfolio and the right skills. Education Bachelor's degree in Computer Science, Software Engineering, or a related field (Optional) Experience Minimum 2 years of professional software development experience, with demonstrable mobile app work (Optional) Required Skills Cross-platform mobile development: iOS and Android from one codebase (React Native or Flutter preferred, or native Swift + Kotlin) GPS, geolocation & geofencing: accurate location capture, geofencing, and calculating distance, direction and dispersion from location data Third-party API integration: connecting and handling data from multiple external services reliably...

Mindrift is looking for skilled Full-Stack Web App Developers (JavaScript/TypeScript + Python or Node) to join the Tendem project (https://tendem.ai/) and build interactive browser-based applications within our hybrid AI + human environment. In this role, as an AI Pilot - that 's how we refer to this position at Mindrift - you 'll collaborate with Tendem Agents that handle repetitive tasks, while you provide full-stack engineering expertise, architectural judgment, and quality control to ensure web apps are functional, robust, and ready for real users. This part-time remote opportunity is ideal for professionals with hands-on experience in modern frontend frameworks, backend APIs, databases, and shipping interactive web products end-to-end.   What We Do The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into real-world expertise from across the globe.  ...

London, UK Apply CoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at  www.coreweave.com .   We're proud to be a Living Wage accredited Employer.   What You’ll Do: The Monolith AI Platform Engineering Team at CoreWeave  is responsible for transitioning existing client environments to Monolith AI’s next-generation platform, maintaining the high velocity needed to support a rapidly growing customer base. This team works...

Senior Front-End React Developer At Bridebook, we're digitising the wedding industry! Join us in transforming the wedding planning experience for engaged couples around the world. Full-time Contractor · Remote · Competitive Day Rate Who is Bridebook anyway? Bridebook is a revolutionary wedding planning platform that seeks to make wedding planning an enjoyable, intuitive, and rewarding experience for couples, guests, and industry partners. Launched in the UK, Bridebook has over 1,000,000 planning couples and has been featured in major outlets such as the New York Times, the BBC, and the App Store. After seven years and many iterations later, we have 2 in 3 engaged UK couples and 1 in 3 engaged German couples using Bridebook, and have recently expanded into the French and Irish markets. While we serve a very emotional and creative industry, we are disrupting the wedding industry by leveraging cutting-edge technology to provide seamless and...

About the Role The Business Central Developer designs, customises and supports Microsoft Dynamics 365 Business Central solutions for our clients, working closely with Delivery Managers, Application Managers and functional teams. This is a contract engagement for a hands-on developer who can own extension development, integrations and Level 3 support end to end, and who brings Power Platform skills to extend BC-based workflows into Power Apps and Power Automate.   The Role Role purpose As Business Central Developer, you will design, build and support AL extensions and integrations across live client environments, working alongside Delivery Managers, Application Managers and functional consultants. You will turn business requirements into reliable, well-engineered BC solutions, extend that automation into the Power Platform where it adds value, and provide dependable Level 3 support across the engagements you own.   This is a hands-on...

Senior Umbraco .NET Developer Location: PSP IT, Spalding, Lincolnshire Employment Type: 6 month contract, possibly leading to permanent Working Pattern: Office-based, Hybrid may be considered for right applicant Department: Development About PSP IT PSP IT is a growing technology business specialising in digital transformation, bespoke software development, enterprise applications and the ongoing support and modernisation of business-critical systems. We work closely with our clients to understand their business challenges and deliver robust, scalable and effective technology solutions. As part of our continued growth, we are looking for an experienced Senior Umbraco Full Stack .NET Developer to join our Development team in Spalding. About the Role We are looking for an accomplished Full Stack .NET Developer with strong commercial experience of Umbraco CMS to take a senior role in the design, development and delivery of modern web applications,...

Senior Java Developer (6 month contract) Full job description First Derivative is driven by people, data, and technology, unlocking the value of insight, hindsight, and foresight to drive organizations forward. Counting many of the world's leading investment banks as clients, we help our clients navigate the data-driven, digital revolution that is transforming the financial services sector. Our global teams span across 15 offices serving clients across EMEA, North America and APAC. As an EPAM Systems, Inc. (NYSE: EPAM) company, a leading global provider of digital platform engineering and development services, we deliver advanced financial services solutions by empowering operational insights, driving innovation, and enabling more effective risk management in an increasingly data-centric world. Together with EPAM, we combine deep industry expertise with cutting-edge technology to help clients stay ahead in a rapidly evolving financial landscape, offering...

Description Role Profile: AWS Connect Developer Duration: 12 Months+   Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We've been helping organisations build better digital products and stronger digital teams since 2014. We believe our work should always leave a legacy for the client. We do this through close relationships with our offices (or 'Clubs') so that our partners are always prioritized by a regional team close to them. This unique model has driven success for our clients and ourselves, evidenced by our remarkable organic growth since 2014. Today we number more than 1,500 people with Clubs all over the UK and Europe with plans for global expansion in the next couple of years. Join us - and help us fulfil our mission to close the world's digital skills gap.   Role Overview We are seeking an experienced AWS Connect Developer to design, develop,...

About FileSpin FileSpin is an AI-native media operations platform (http://filespin.io) that manages the full lifecycle of digital assets — from ingestion and organization to transformation, delivery, and analytics. It combines traditional digital asset management with AI agents that let teams automate complex, multi-step media workflows through plain-language prompts, alongside dynamic image and video transformations (resizing, background removal, transcoding), a global CDN spanning 160+ edge locations, branded sharing and approval pages for stakeholders, and enterprise-grade security (RBAC, audit trails, encryption). It's aimed at organizations running media operations at scale — e-commerce, marketing teams, event organizers, and enterprises — that need to manage, transform, and deliver images and video efficiently across their existing DAM, PIM, and CDN systems.   The role We're looking for a freelance B2B SaaS content writer who can turn...

£400-£425 Outside Ir35 City Taunton Province Somerset Country United Kingdom Postal Code TA1 Job Description   About Scrumconnect Consulting   Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful and innovative technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. We are passionate about user-centred design, agile delivery, and building digital services that make a real difference. Our teams work at the forefront of innovation, helping organisations transform and deliver high-quality, scalable solutions that truly matter.   Role Purpose Join a blended agile delivery squad working on large-scale, secure digital services for a government client. As a Senior Developer, you will bring strong hands-on experience across both .NET...

£450-£500 Outside IR35 City Taunton Province Somerset Country United Kingdom Postal Code TA1 Job Description About Scrumconnect Consulting   Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful and innovative technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens.   We are passionate about user-centred design, agile delivery, and building digital services that make a real difference. Our teams work at the forefront of innovation, helping organisations transform and deliver high-quality, scalable solutions that truly matter.   Overview We are seeking an experienced Lead Technical Developer to provide hands-on technical leadership within a client delivery team. You will be responsible for driving engineering standards, code...

Mindrift is looking for skilled Bot Developers (WhatsApp Business API, Telegram Bot API, Discord API) to join the Tendem project (https://tendem.ai/) and build conversational bots and messaging-platform integrations for real-world applications. In this role, you 'll use your bot engineering expertise, conversational design skills, and quality-focused approach to build reliable, useful bots and messaging integrations that deliver a great user experience. This part-time remote opportunity is ideal for professionals with hands-on experience building messaging bots, working with platform APIs and webhooks, and implementing conversational logic.   What We Do The Mindrift platform connects specialists with innovative technology projects. Our mission is to help develop high-quality AI technologies by combining real-world expertise from professionals across the globe with advanced AI development efforts.   About the Role This is a freelance role for a Tendem...

Java and Azure Developer : Contract Role London, England, United Kingdom WPP is the trusted growth partner for the world’s leading brands.  We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth.    We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise.   Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow.    For more information,...

Rate: Inside IR35 Clearance: Active SC or confident in passing Location: Leeds, Sheffield or London Travel: Maximum once per month Contract: Initial contract   We’re looking for an experienced Senior Java Developer to join a large-scale technology programme, working on modern applications and services within a complex enterprise environment.   Key Skills & Experience Strong, recent experience developing applications using Java and Spring Boot Experience developing front-end applications – Thymeleaf and GOV.UK Design System desirable Strong experience designing and developing RESTful APIs , including API versioning Experience with OpenAPI / Swagger Strong knowledge of SQL, Spring Data JPA and Hibernate Oracle database experience desirable Experience writing unit and integration tests using JUnit 5 and mocking frameworks Experience with automated UI regression testing, ideally...

Senior Front-End React Developer At Bridebook, we're digitising the wedding industry! Join us in transforming the wedding planning experience for engaged couples around the world. Full-time Contractor · Remote · Competitive Day Rate Who is Bridebook anyway? Bridebook is a revolutionary wedding planning platform that seeks to make wedding planning an enjoyable, intuitive, and rewarding experience for couples, guests, and industry partners. Launched in the UK, Bridebook has over 1,000,000 planning couples and has been featured in major outlets such as the New York Times, the BBC, and the App Store. After seven years and many iterations later, we have 2 in 3 engaged UK couples and 1 in 3 engaged German couples using Bridebook, and have recently expanded into the French and Irish markets. While we serve a very emotional and creative industry, we are disrupting the wedding industry by leveraging cutting-edge technology to provide seamless and...

£400-£425 Inside IR35 City Swansea Country United Kingdom Postal Code SA1 About Scrumconnect Consulting Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful and innovative technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. We are passionate about user-centred design, agile delivery, and building digital services that make a real difference. Our teams work at the forefront of innovation, helping organisations transform and deliver high-quality, scalable solutions that truly matter. Role Overview We are seeking a talented and experienced Senior Next.js Developer at SFIA Level 4 to join our multidisciplinary agile teams and help deliver world-class digital services for UK government clients. In this role, you will lead the development of modern, accessible, and performant front-end applications using...

Java Developer (6 month contract) First Derivative is driven by people, data, and technology, unlocking the value of insight, hindsight, and foresight to drive organizations forward. Counting many of the world's leading investment banks as clients, we help our clients navigate the data-driven, digital revolution that is transforming the financial services sector. Our global teams span across 15 offices serving clients across EMEA, North America and APAC. As an EPAM Systems, Inc. (NYSE: EPAM) company, a leading global provider of digital platform engineering and development services, we deliver advanced financial services solutions by empowering operational insights, driving innovation, and enabling more effective risk management in an increasingly data-centric world. Together with EPAM, we combine deep industry expertise with cutting-edge technology to help clients stay ahead in a rapidly evolving financial landscape, offering comprehensive solutions that drive...

Lead Java Developer – Azure Role type: Contract Location: UK / Remote Lead Java Developer  required to join our Satalia team. As an organisation, we push the boundaries of data science, optimisation and artificial intelligence to solve the most complex problems in the industry. Satalia, a WPP company is a community of individuals devoted to working on diverse and challenging projects, allowing you to flex your technical skills whilst working with a tight-knit team of high performing colleagues. Led by our founder and WPP Chief AI Officer Daniel Hulme, Satalia’s ambition is to become a decentralised organisation of the future. Today, this involves developing tools and processes to liberate and automate manual repetitive tasks, with a focus on freedom, transparency and trust. At the core of our thinking is an approach to wellbeing and inclusivity. We unpack human behaviour and unpick prejudice to ensure a safe and inviting environment. We offer...