Available to hire
Hi, I’m Filip Janta, a detail-oriented mobile and web application developer with over 12 years of experience working with a range of technologies including React Native, JavaScript, Swift, Kotlin, and more. I am passionate about delivering high-quality applications that exceed client expectations and am committed to continuous improvement and innovation in software development.
I have a strong focus on cross-platform development and UI/UX architecture, and I enjoy working collaboratively in Agile teams to create efficient, user-centric software solutions. Whether it’s building scalable backend systems or optimizing frontend performance, I bring a hands-on approach and enthusiasm to every project I work on.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Language
English
Fluent
Polish
Advanced
Work Experience
Senior Full Stack Engineer at 10Clouds
May 1, 2022 - March 1, 2025Developed the US's top boat rental platform for iOS, Android, and web. Led architecture and development of a B2B SaaS platform serving over 10 million users in the finance industry. Worked with React Native, Next.js, Ruby on Rails, JavaScript, TypeScript, Swift, and Kotlin. Improved UI/UX, enhanced SEO, implemented Elastic search, and managed AWS resources including S3 and Elastic Search. Contributed to component design system and facilitated collaboration in Agile teams using Jira and Git.
Senior Software Engineer at Accenture
June 1, 2018 - May 1, 2022Developed and published multiple web and mobile applications. Ported existing mobile app features from Flutter to React Native. Implemented AI-generated image modules and integrated social media APIs (Facebook, Twitter, Instagram). Developed full startup lifecycle from scratch, implemented real-time socket API for cryptocurrencies, push notifications, GPS tracking, UI charts, Apple Watch interface, OAuth framework, and Redux for state management. Used React Native, Firebase, Node.js, and Google Cloud services.
Software Engineer at Endava
February 1, 2013 - June 1, 2018Worked on various web and mobile app development teams. Developed dealer portals and internal tooling using Go and popular Go frameworks. Developed iOS apps using Objective-C and Swift with various libraries like AVFoundation and Alamofire. Experienced with React web app state management using Redux. Contributed to enterprise real estate platform development. Used several database systems and created scalable backend architectures with Node.js, Express, MongoDB. Implemented CI/CD pipelines and worked with AWS amplify and REST APIs.
Senior Full Stack Engineer at 10Clouds
May 1, 2022 - March 31, 2025Developed the US's top boat rental platform on mobile (iOS and Android) and web. Led the architecture and development of a B2B SaaS platform serving over 10 million users in the finance industry. Worked with frameworks such as React Native, Next.js, and Ruby on Rails and programming languages including JavaScript, TypeScript, Swift, and Kotlin. Managed mobile and web app features including UI/UX improvements, SEO optimization, Elastic search implementation, and backend REST APIs. Collaborated effectively with external teams and Agile development tools, ensuring high-quality product delivery.
Senior Software Engineer at Accenture
June 1, 2018 - May 31, 2022Developed and published several web and mobile app products within a team. Ported features from Flutter to React Native and enhanced mobile apps with new capabilities. Integrated AI-generated image modules and social media APIs (Facebook, Twitter, Instagram). Implemented UI/UX designs from Figma and managed backend Firebase cloud scripting and Node.js. Delivered full startup lifecycle experience, real-time data handling, security features, push notifications, OAuth framework, GPS tracking, Apple watch interfaces, and comprehensive state management using Redux.
Software Engineer at Endava
February 1, 2013 - June 30, 2018Contributed to various web and mobile application development projects. Designed and developed dealer portals and internal tooling using Go for performance-critical tasks. Developed iOS apps with Objective-C and Swift, leveraging multiple libraries. Participated in full enterprise real estate platform development and database capacity planning. Utilized Go within Docker and Kubernetes environments and integrated monitoring tools. Implemented web applications using JavaScript frameworks and managed state with Redux. Followed CI/CD pipelines for testing and deployments, working extensively with AWS and REST APIs.
Senior Full Stack Engineer at 10Clouds
May 1, 2022 - March 31, 2025Developed the US's top boat rental platform in mobile (iOS and Android) and web, utilizing React Native, Next.js, Ruby on Rails, JavaScript, TypeScript, Swift, and Kotlin. Led architecture and development of a B2B SaaS platform serving over 10 million users in the finance industry. Worked with various build tools like Xcode, Android Studio, and React native debugger. Implemented Redux for state management and Jest for unit testing. Improved UI/UX by using React navigation, animation libraries, and Tailwind CSS. Managed SEO optimization, Elasticsearch implementation, and contributed to design systems across web products. Worked with AWS resources including S3 and Elasticsearch. Collaborated closely with external teams and actively participated in Agile development using Jira, Git, and Slack.
Senior Software Engineer at Accenture
June 1, 2018 - May 31, 2022Developed and published several web and mobile app products, porting existing Flutter app features to React Native and adding major features. Utilized React Native, JavaScript and Google Firebase backend. Integrated AI-generated image modules and implemented full Figma design into apps. Worked on Node.js Firebase cloud scripting and social APIs for Facebook, Twitter, and Instagram with authentication. Implemented real-time price data socket API client and security features including backup and restore by wallet key. Developed UI charts, GPS location tracking, Apple Watch interfaces, OAuth framework, and push notifications for iOS and Android. Accumulated full startup experience from scratch to product release and updates.
Software Engineer at Endava
February 1, 2013 - June 30, 2018Participated in various web and mobile application development teams using object-oriented design and development. Developed dealer portals, internal tools, and microservices using Go, including popular packages like Gin, Echo, and gRPC. Created iOS apps using Objective-C and Swift with libraries such as AVFoundation, Alamofire, and CoreData. Worked on MVC architecture and Redux state management for React web applications. Contributed to enterprise real estate platform development. Conducted database planning and maintenance. Utilized HTML, CSS, JavaScript, Angular, Node.js, Express, and MongoDB for scalable architecture. Applied Go in Docker and Kubernetes environments with monitoring tools. Implemented responsive UI/UX, unit testing with Jest, and CI/CD pipelines. Managed AWS Amplify and Node.js REST API backend for mobile features.
Senior Full Stack Engineer at 10Clouds
May 1, 2022 - March 1, 2025Developed the US's top boat rental platform for mobile (iOS and Android) and web. Led architecture and development of a B2B SaaS platform serving over 10 million users in the finance industry. Worked with frameworks like React Native, Next.js, and Ruby on Rails and languages like JavaScript, TypeScript, Ruby on Rails, Swift, and Kotlin. Managed SEO optimization, Elastic search implementation, and UX/UI improvements using React Navigation and Tailwind CSS. Collaborated with external teams and Agile workflows using Jira, Git, and Slack. Worked with AWS resources including S3 buckets and Elastic Search. Developed backend REST APIs using Rails.
Senior Software Engineer at Accenture
June 1, 2018 - May 1, 2022Developed and published several web and mobile applications using React Native and Flutter. Integrated AI-generated image modules and implemented UI/UX with Figma designs. Developed social media APIs for Facebook, Twitter, and Instagram with authentication. Implemented real-time socket API for cryptocurrency price data and security features such as backup and restore by wallet key. Developed GPS location tracking, charts for statistics, Apple watch interfaces, OAuth frameworks, and push notifications via APNS and FCM. Managed live app tracking and startup product lifecycle from scratch to release.
Software Engineer at Endava
February 1, 2013 - June 1, 2018Engaged in various web and mobile development projects including iOS applications using Objective-C and Swift. Developed dealer portal UI, internal tooling, and microservices using Go with popular frameworks like Gin and Echo. Participated in the development of the enterprise real estate platform https://streeteasy.com. Built prototypes with HTML, CSS, JavaScript, Angular, and React. Managed state with Redux, integrated AWS Amplify and REST APIs, and maintained CI/CD pipelines for testing and deployment. Worked with Docker and Kubernetes alongside monitoring tools like Prometheus and OpenTelemetry.
Education
Bachelor’s Degree at University of Warsaw
June 1, 2009 - September 1, 2012Bachelor’s Degree at University of Warsaw
June 1, 2009 - September 30, 2012Bachelor’s Degree at University of Warsaw
June 1, 2009 - September 30, 2012Bachelor's Degree at University of Warsaw, Warsaw, Romania
June 1, 2009 - September 30, 2012Qualifications
Industry Experience
Software & Internet, Financial Services, Real Estate & Construction, Travel & Hospitality, Professional Services
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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