135 freelance software developer jobs found

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. What this opportunity involves While each project involves unique tasks, contributors may: Design high xe2 quality technical content, examples, and explanations that demonstrate best practices in Kotlin development. Collaborate with engineers to ensure accuracy and consistency across code samples, tutorials, and developer guides. Explore modern Kotlin frameworks and tools to create practical, real xe2 world examples for learning and testing. Continuously refine content based on feedback, emerging patterns, and advances in the Kotlin ecosystem. Apply professional judgment to assess AI responses. What we look for This opportunity is a good fit for Kotlin software...

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. What this opportunity involves While each project involves unique tasks, contributors may: Design and maintain automated tests to ensure the quality, performance, and reliability of Kotlin and Android applications. Collaborate with developers to identify, reproduce, and resolve functional, performance, and UI issues across multiple environments. Define and improve quality standards across build pipelines, ensuring smooth CI/CD integrations and release stability. Monitor app behavior in production and use data xe2 driven insights to guide testing priorities and improvements. Apply professional judgment to assess AI responses. What we look for This opportunity is...

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. About the Role This project is suited for a Senior Python developer with deep functional testing experience, strong Linux and Docker skills, the ability to read code across multiple languages with the support of LLMs (e.g., C, Rust, Go) and translate requirements for migration tasks, and confidence using tools like Roo Code or Claude Code to accelerate iterative development. Key Responsibilities Create functional black box tests for large codebases in various source languages Create and manage Docker environments to ensure 100% reproducible builds and test execution across different platforms Monitor code coverage and configure automated scoring criteria to meet industry...

Job Description: 6+ years exp with Power Platform development Extensive experience in building workflows using Power automate and experience in using Power Apps Power BI experience is a nice to have Exp in automating process workflows and demonstrating the benefits of automating the workflows Exp in design, development, integration, Coding, Unit & Integration testing, deployment Exp in integrating Power Platform solutions with other systems Ability to work autonomously and in collaboration with business and IT stakeholders Experience working in an Agile environment Job Type: Freelance Pay: £300.00-£330.00 per day

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient UI/UX Developer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside a...

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Web Developer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside a...

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Quality Assurance Developer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work...

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Mobile App Developer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work...

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Programming Analyst to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside...

About Mirakl Mirakl is the leading provider of eCommerce software solutions. Mirakl's suite of solutions provides enterprises with a transformative way to drive significant growth and efficiency in their online business. Since 2012, Mirakl has been pioneering the platform economy, empowering retail and B2B enterprises with the most advanced, secure and scalable technology to digitize and expand product assortment through marketplace and dropship, improve efficiency in supplier catalog management and payments, personalize shopping experiences, and boost profits through retail media.   Mirakl is trusted by 400+ industry-leading businesses worldwide including Macy's, Decathlon, Best Buy, Airbus, Toyota Material Handling and Sonepar. Headquartered in Paris with another office in Bordeaux and with offices in 7 countries, Mirakl is recognized as a Great Place to Work company.   With more than 350 people, Mirakl Labs teams are mainly based in...

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. About the Role This project is suited for a Senior Python developer with deep functional testing experience, strong Linux and Docker skills, the ability to read code across multiple languages with the support of LLMs (e.g., C, Rust, Go) and translate requirements for migration tasks, and confidence using tools like Roo Code or Claude Code to accelerate iterative development. Key Responsibilities Create functional black box tests for large codebases in various source languages Create and manage Docker environments to ensure 100% reproducible builds and test execution across different platforms Monitor code coverage and configure automated scoring criteria to meet industry...

Role Overview We are looking for a Senior Delphi Developer with deep expertise in Delphi 10.4 or later , strong understanding of software development life cycle (SDLC) , and hands-on experience in Oracle PL/SQL and RDBMS . The ideal candidate will be responsible for designing, developing, and maintaining enterprise-grade business applications, while also contributing to build automation and deployment processes using tools such as TeamCity and Octopus . This role requires excellent debugging skills, experience in developing custom controls, and collaboration with cross-functional teams to deliver robust and scalable software solutions. Experience: 10–14 years Key Responsibilities Design, develop, and maintain business applications using Delphi 10.4 or newer versions . Participate in the full Software Development Life Cycle (SDLC) — from requirements gathering to deployment and support. Configure and maintain automated build and deployment pipelines using...

Job Overview We are seeking a talented and motivated Application Developer to join our dynamic IT team. The successful candidate will be responsible for designing, developing, and maintaining innovative mobile applications across multiple platforms, including Android and iOS. This role offers an exciting opportunity to work on cutting-edge projects, utilise a broad range of programming languages and frameworks, and contribute to enhancing user experience through effective application development. The position is paid and suitable for individuals with a passion for creating seamless, user-friendly applications. Duties Develop, test, and deploy mobile applications for Android and iOS platforms using languages such as Java, Kotlin, Swift, Objective-C, C#, and JavaScript. Collaborate with cross-functional teams to define application requirements and translate them into technical specifications. Integrate third-party APIs and RESTful services to enhance application...

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient API Developer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside a...

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Front-End Developer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside...

Here’s who we are: At Team Updraft our DNA is in world-leading software for WordPress that helps our customers to backup, restore, clone, secure and optimize their WordPress websites. Our global team is behind some of the most popular WordPress plugins in the world! Used by more than 5 million WordPress website owners, our plugins have a reputation for being reliable and powerful. We have an exciting opportunity for a Lead Developer to join us, to be successful in this role you will have deep knowledge and experience of developing WordPress plugins. You will have the option to choose your own hours from 32 up to 40 per week, and you can work remotely from anywhere in the world, we simply ask that you have 4 hours of crossover with UK working hours per day. ————————————————————– Lead Developer - WordPress Competitive Salary (depending on experience) Fully Remote We have an exciting opportunity for a Web Developer with excellent PHP, JS and...

Here’s who we are: At Team Updraft our DNA is in world-leading software for WordPress that helps our customers to backup, restore, clone, secure and optimize their WordPress websites. Our global team is behind some of the most popular WordPress plugins in the world! Used by more than 5 million WordPress website owners, our plugins have a reputation for being reliable and powerful. We have an exciting opportunity for a Lead Developer to join us, to be successful in this role you will have deep knowledge and experience developing WordPress , and a passion for security with demonstrable experience in this area. You will have the option to choose your own hours from 32 up to 40 per week, and you can work remotely from anywhere in the world, we simply ask that you have 4 hours of crossover with UK working hours per day. ————————————————————– Lead Developer (all-in-one-security) Competitive Salary (depending on experience) Fully Remote We have an...

Contract Software Developer – AI‑Powered Portal Overview: Join us as a Contract Software Developer to build and optimize an AI‑powered portal. You will design, develop, and integrate secure, scalable features and APIs across cloud platforms in a fast‑paced, collaborative environment. Duties: Develop, test, and deploy high‑quality web applications and RESTful APIs for the portal. Integrate third‑party and custom APIs, ensuring secure, real‑time data exchange. Build intuitive front‑end interfaces and dashboards for AI‑driven features. Optimize performance and reliability on AWS/Azure and maintain existing services. Use Git‑based version control and Agile practices to deliver features iteratively. Skills: Strong experience with modern languages and web technologies (e.g., Java, C#, Python, JavaScript, SQL). Hands‑on experience with RESTful APIs, front‑end frameworks, and cloud platforms (AWS/Azure). Familiarity with CI/CD, version...

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Product Developer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside a...

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Digital Solutions Developer to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work...