Candidates 1286
$4000 / mo
≈ $48000 / year net
Front-end Developer
Germany · 5 years of experience · Upper-Intermediate ·Published today
Germany · 5 years of experience · Upper-Intermediate ·Published today
- Developed comprehensive UI libraries of reusable components, organized within a monorepo architecture to enhance developer efficiency and project velocity.
- Maintained and optimized project unit tests to uphold code quality and functionality standards consistently.
- Created and implemented publishable npm libraries within the monorepo ecosystem, facilitating seamless integration and code reuse across projects.
- Conducted profiling and diagnostics to enhance website performance, including the detection of memory leaks and optimization of code bundling processes.
- Established Git workflow guidelines and VueJS application development paradigms to streamline project development and ensure consistency.
- Led successful migration efforts from VueJS v2 to v3, leveraging the latest features and enhancements for improved project outcomes.
- Contributed to open source projects to address critical issues and improve tools used within project environments.
- Leveraged Web API, particularly Web Workers, to resolve post-deployment issues and optimize performance for high-load tasks on the frontend.
- Developed backend to implement server-side rendering (SSR), including caching mechanisms and user's data distribution strategies.
- Implemented authentication systems following OAuth 2.0 standards and created mock servers for visual testing purposes.
- Reduced memory consumption from 2.5 GB to 200 MB per browser tab, eliminating memory leaks and enhancing user experience.
- Successfully migrated a VueJS application with GraphQL (Vue Apollo) from v2 to v3, ensuring compatibility and leveraging latest features.
- Enhanced user engagement by implementing functionality to cache and distribute user data across different domains, enabling seamless authentication across multiple products.
- Accelerated project development by establishing a TypeScript VueJS monorepo with standalone, reusable, and publishable npm packages for frontend, streamlining development processes.
- Minimized the time between deployment and website update on the client side, improving overall responsiveness and user experience.
- Implemented a logging system for SSR applications, facilitating faster bug detection and response times.
$4000 / mo
≈ $48000 / year net
Python Developer
Poland · 5 years of experience · Intermediate ·Published today
Poland · 5 years of experience · Intermediate ·Published today
$3000 / mo
≈ $36000 / year net
Front-end developer · React / React Native
Poland · 3 years of experience · Upper-Intermediate ·Published today
Poland · 3 years of experience · Upper-Intermediate ·Published today
Front-end developer · React / React Native
Sep 2021 - Present · 2 yrs 8 mos
Worked on open-source non-custodial crypto wallet.
- Participated in development and support of hybrid mobile application (iOS, Android) based on React Native and cross-browser extension built with React.
- Developed project's landing page using React Native Web from scratch.
- Integrated 5 different exchange services.
- Improved account creation flow which decreased new users loss by 30%.
- Optimized transaction estimation which decreased failed transactions count by 15%.
- Integrated Firebase Messaging service for Push Notifications.
- Developed Extension => Mobile account sync feature.
- Developed NFT share feature using Firebase Dynamic Links service.
- Automated APK build process for a mobile application, with pulling of the latest version to project’s landing page.
- Conducted a research about Bitcoin and EVM-compatible chains integration.
Front-end developer · React
Dec 2020 - Aug 2021 · 9 mos
Worked on an education platform for developers.
- Made our landing page to load >1s, increasing our conversion rates twice and Lighthouse metrics to 90-100 points.
- Conducted SEO part improvements.
- Participated in mono-repo migration to Sever-side rendering (via Next.js).
- Developed chat-bot for internal usage.
$8000 / mo
≈ $96000 / year net
Senior Fullstack Developer / Lead
Poland · 8 years of experience · Advanced/Fluent ·Published today
Poland · 8 years of experience · Advanced/Fluent ·Published today
Able to work without supervision.
Not familiar with data visualization and vuejs/angularjs.
Interests: Web3, Chrome Extensions, AI
Can do both front-end and back-end development work.
I have experience working in both corporate and fast-paced startup environments.
Worked closely with various teams within organizations: sales, product, marketing, customer success, top management
$3800 / mo
≈ $45600 / year net
Full Stack Developer
Spain · 5 years of experience · Upper-Intermediate ·Published today · In passive search
Spain · 5 years of experience · Upper-Intermediate ·Published today · In passive search
2. Architected chatbots for Microsoft Teams and Slack dedicated to educational content, subsequently driving the acquisition of two new clients for the company.
3. Engineered an AI-driven Google extension, leading to a noticeable surge in customer acquisition during demo calls.
4. Cultivated productive collaborations with designers, product managers, and fellow developers, ensuring the delivery of software applications to the highest standards.
4. Conceived a versatile course player for varied format playback, enabling customers to train their employees more effectively.
5. Authored well-structured, efficient, and meticulously documented code, leveraging programming languages such as PHP, JavaScript, TypeScript.
6. Participated in comprehensive code reviews, enforcing superior code quality, adherence to coding standards, and maintainability.
7. Integrated numerous third-party services, precipitating the onboarding of several large clients.
8. Provided prompt and accurate responses to client technical inquiries, ensuring their concerns were comprehensively addressed.
9. Developed user-friendly technical documentation and user guides, enhancing user comprehension and utilization of software applications.
10. Developed several new features for the internal framework, resulting in a significant improvement in the performance and functionality of the system.
Developed a backend for crypto exchange (Cryptocurrency exchange, integration with payment systems, CMS).
2. I'm interested in projects where you can bring your ideas.
3. No bureaucracy.
4. Young collective.
Not interested in WordPress
$4000 / mo
≈ $48000 / year net
Front-end developer
Hungary · 7 years of experience · Upper-Intermediate ·Published today
Hungary · 7 years of experience · Upper-Intermediate ·Published today
$4000 / mo
≈ $48000 / year net
Senior Angular Developer
Poland · 7 years of experience · Upper-Intermediate ·Published today
Poland · 7 years of experience · Upper-Intermediate ·Published today
— I've created layouts based on Figma designs;
— I've maintained technical documentation;
— Took part in developing of system architecture;
— Took part in project planning, estimates, implementation.
— I'm exceptional learning skills, problem-solving, and ability to work independently
— I've conducted code reviews and mentor junior developers, fostering an environment of learning and growth
$4900 / mo
≈ $58800 / year net
Front End Developer (React / React Native / Next.JS)
Slovakia · 7 years of experience · Advanced/Fluent ·Published today
Slovakia · 7 years of experience · Advanced/Fluent ·Published today
Mainly working with JS/TS + React/Next.js stack, also have a solid experience (over 5 years) developing mobile apps with React Native.
Was working in a big and small teams, as a teammate or as a one man on a project.
Have mentoring experience. Have experience of leading a small team of developers (2-3 persons)
Would be great if it would be possible to write Node JS / Python code for a backend, since I want to develop as Full-Stack developer as well.
$4000 / mo
≈ $48000 / year net
Front-end developer
Poland · 5 years of experience · Intermediate ·Published today
Poland · 5 years of experience · Intermediate ·Published today
$3800 / mo
≈ $45600 / year net
Frontend Developer / Front-end / Frontend / React
Poland · 4 years of experience · Upper-Intermediate ·Published today
Poland · 4 years of experience · Upper-Intermediate ·Published today
Frontend developer
March 2022 - Present
With this smart application, clients can create advertisements, perform appraisals, develop workflows and manage accounting:
Creating innovative solutions from scratch;
Performed ongoing technical support and implementation of new features;
Developed a custom PDF generator that increased usability and customization of generating invoices
and sales documents;
Improved adding/editing vehicles, companies other models as well using React and Redux that
improved overall UI.
Frontend developer (React, Typescript)
July 2021 - March 2022
This project was created to monitor the market for various business structures. Supply and demand, as well advertising analysis based on big data:
Utilized React to develop reusable components and optimize performance for big structures of data;
Contribution to the development of architectural solutions;
Full stack developer (React/Ruby on Rails)
American food service
January 2020 - July 2021
Service has custom meal programs connect companies with authentic,
local food providers, from top chefs and restaurants to popular neighborhood food trucks:
Improved auth processes, roles structures;
Increased usability and perfomance using frontend tools;
Frontend developer
Startup
July 2019 - January 2020
Fintech startup, the general idea is to manage income and expenses, the ability to create financial goals and implement them alone or with the involvement of partners;
HTML5, CSS3, SASS/SCSS, JavaScript(ES6+), React.js.
Experience with Git/Github/Git Bash, Netlify, Heroku, CI-services
Experience with adaptive/responsive,
cross browser website design.
Knowledge at: flexbox, css-animation, BEM
Experience with webpack, parcell.
Knowledge at: REST API, AJAX, JSON, MySQL, PostgreSQL
Experience with Figma, Marsy, Trello, Jira.
Methodology: Scrum, Agile
Base knowledge at: React Native, Ruby on Rails, Handlebars, Node.js,
Bootstrap4, Tailwind CSS, Rspec, Jest