Candidates 906
$5000 / mo
≈ $60000 / year net
Full Stack Developer | React-Native Developer | React Developer
Netherlands · More than 10 years of experience · Advanced/Fluent ·Published today
Netherlands · More than 10 years of experience · Advanced/Fluent ·Published today
My name is Ven Korolev, I am a Software Engineer. I live in Amsterdam.
I have 14 years of experience in developing applications. The past 10 years I have been developing mostly web and mobile applications with React, React-Native, Redux, Node.js, GraphQL and I have built several applications from scratch. I have worked with many libs and tools which you can find in my skills set.
I love my stack and I love trying new and cool things. Now I am also interested in AI, Math, Neural networks(python), FP, writing stories\posts.
My hobby is learning new things and improving myself.
If you have anything to tell me or ask feel free, I am an open-minded person who is always happy to meet new people.
Peace.
$2700 / mo
≈ $32400 / year net
Full Stack (React / Node.js) Engineer
Ukraine · Lviv · 3 years of experience · Upper-Intermediate ·Published today
Ukraine · Lviv · 3 years of experience · Upper-Intermediate ·Published today
In the projects I have worked on projects where I utilized JavaScript, AWS, React, React Native, Typescript, BEM, Bootstrap, Material UI, Node.js, Express, Nest.js, Next.js, React Hook Form, Socket.io, Sequelize, Prisma, PW2, Docker, CircleCI, and Nginx.
Overall, I am enthusiastic about taking on new challenges, expanding my knowledge, and contributing to impactful projects in the future.
- Real-time functionality implementation with Socket.io: Enabled clients to rate proposals and post comments in real-time on the "Connecteam" portal.
- Refactoring the "Portal" project with Typescript: Conducted a comprehensive refactor of the application, rewriting the code in Typescript for improved maintainability.
- Integration of Material UI in the "Portal" project: Introduced a modern and consistent user interface, enhancing user interaction with the platform.
- Development of a real-time notification service for the "Go2meet" project: Implemented functionality that allows users to receive real-time notifications.
- Team leadership at a certain stage of the project: Successfully led the team during the development stage, ensuring timely and high-quality delivery of client requirements.
- +30% improvement in application performance: Implemented optimization measures that significantly improved the performance of the web application.
$3000 / mo
≈ $36000 / year net
Senior Full Stack Engineer
Ukraine · Kyiv · More than 10 years of experience · Intermediate ·Published today
Ukraine · Kyiv · More than 10 years of experience · Intermediate ·Published today
Development / implementation / Support
- Web Application
- Web Service
- CPaaS Solution
- Low-Code system
- Flow Automation
- Stream Data processing
- Design systems / UI
- Multi Tenant / SSO
- CI/CD pipelines / SRE
- API / SDK / third party integration
- cutting edge technologies
$4000 / mo
≈ $48000 / year net
Senior Software Engineer
Ukraine · Kyiv · More than 10 years of experience · Intermediate ·Published today
Ukraine · Kyiv · More than 10 years of experience · Intermediate ·Published today
Development / implementation / Support
- Web Application
- Web Service
- CPaaS Solution
- Low-Code system
- Flow Automation
- Stream Data processing
- Design systems / UI
- Multi Tenant / SSO
- CI/CD pipelines / SRE
- API / SDK / third party integration
- cutting edge technologies
$1500 / mo
≈ $18000 / year net
Full Stack Web Developer
Ethiopia · 4 years of experience · Advanced/Fluent ·Published today
Ethiopia · 4 years of experience · Advanced/Fluent ·Published today
• Proficiently developed applications using TypeScript, JavaScript, Docker, and Express.js.
• Applied React and Redux for frontend development, ensuring interactive and seamless
user experiences.
• Utilized Git for version control and collaboration within development teams.
• Enhanced performance through Redis integration and optimized data retrieval.
• Employed TypeORM, Sequelize, and Prisma for robust database interactions and management.
• Implemented RabbitMQ for efficient event-driven communication.
• Demonstrated Object-Oriented Programming (OOP) expertise in application design.
• Ensured code quality and reliability through comprehensive testing using Jest.
• Guided and mentored teams as a Google Developer Student Club (GDSC) Lead, fostering
skill development and collaborative growth.
• Enthusiastic about ongoing learning, with aspirations to further refine my expertise and
contribute to cutting-edge projects.
$5500 / mo
≈ $66000 / year net
Senior Front-End Developer
Ukraine · More than 10 years of experience · Upper-Intermediate · 🪖 DFU combatant ·Published today
Ukraine · More than 10 years of experience · Upper-Intermediate · 🪖 DFU combatant ·Published today
Continuously developing new features and improving existing subprojects - web platform, Chromecast receiver, video player. Created and released Samsung/LG SmartTV app from scratch.
React, Preact, Styled Components, astroturf, Node.js
- Communication API platform - DX team:
Expanded list of available components, following developers' feedback. Improved existing and created new tools, helping in developing and continuously maintaining created products. Worked together with designers, proposing and implementing new features. Improved level of UI components consumption among other teams.
TypeScript, React, Redux, Less, CSS-modules, CSS-in-JS, Node.js, Webpack
- Bluetooth locators product:
Manage a team of 3. Coordinate work with contact points from the customer side, product owners, and developers. Propose, discuss, implement features. Organize and resolve difficulties in the workflow.
Implemented new ways of user authentication, introduced referral program (user dashboard, landing page), added new payment methods.
React, Node.js, PHP, Mysql, 3rd-party integration with Salesforce, Apple/Amazon pay, GTM, etc.
- Airways company
Project kick-off
Designed frontend and backend software architecture for end-users single sign-on
Node.js, Angular, AWS DynamoDB, AWS KMS
- Enterprise energy-efficiency company:
Being one FE-engineer on project handled all related tasks and decisions.
Rewrote module-by-module from the iFrame application to SPA using AngularJS.
Increased speed of loading application, navigation between sections.
Increased speed of rendering charts using Highcharts.js with a big amount of data.
Created new custom widgets using D3.js.
Customized existing widget charts based on FusionCharts.
- Cloud hosting company
Created project from scratch web-based dashboard for the cloud-hosting platform.
Created wizard for creation of virtual machines, UI for management of virtual servers, plugins for integration with 3rd party products.
$7500 / mo
≈ $90000 / year net
Backend Engineer. NodeJS.
Poland · 5 years of experience · Upper-Intermediate ·Published today · In passive search
Poland · 5 years of experience · Upper-Intermediate ·Published today · In passive search
Pre-Last project - Nest.JS, Typescript, Postgres, Microservices, Redis, NATS, React, AWS, Kubernetes.
Pre-Last project - I've increased performance in ~50 times, implemented
microservice architecture, created Kubernetes infrastructure, migrated whole product from
Express + JS to Nest + TS, implemented automated testing, DDD, clean architecture and
hexagonal architecture, handled very high RPS, added a lot of new features.
Interviewed ~30 candidates. Mentored junior developer.
microservices, distibuted systems, DDD, TDD, highload.
I would like to work with product-oriented and high-skilled team.
$2500 / mo
≈ $30000 / year net
Frontend Developer
Nigeria · 3 years of experience · Upper-Intermediate ·Published today
Nigeria · 3 years of experience · Upper-Intermediate ·Published today
Collaborated with frontend engineers, product managers, and QA teams in Agile environments to deliver end-to-end solutions for complex business requirements,ensuring timely project delivery and alignment with stakeholder expectations.
Conducted regular security audits and vulnerability assessments, implementing robust security measures to safeguard sensitive information and ensure compliance with industry standards and regulations.
Spearhead the development of software applications leveraging React for frontend and Node js for backend, ensuring seamless integration and optimal performance.
Optimized database schemas, API endpoints, and microservices to accommodate growing user traffic and data volume, resulting in enhanced platform efficiency and user experience.
$5500 / mo
≈ $66000 / year net
Full Stack Developer
Portugal · 5 years of experience · Upper-Intermediate ·Published today · In passive search
Portugal · 5 years of experience · Upper-Intermediate ·Published today · In passive search
$2600 / mo
≈ $31200 / year net
Software Engineer
Ukraine · 3 years of experience · Advanced/Fluent ·Published today
Ukraine · 3 years of experience · Advanced/Fluent ·Published today
Summary of experience:
* Designed and developed a cryptographic module for signing HTTP requests.
* Integrated KYC/KYB and anti-fraud solutions, such as Sift and Socure.
* Provided support for the old code base of a fintech application for P2P payments, and developed new functionality to support payments to nearby users using geolocation.
* Developed a self-service portal for businesses, including infrastructure and deployment pipelines using Microsoft Azure and Bicep.
* Integrated various fitness devices, such as Apple Watch and Fitbit, by creating a data pipeline to convert data from different APIs and an API to receive and process this data.
* Designed and developed a web application for conducting quests using NFC tags, including infrastructure and deployment pipelines.
* Implemented KYB checks via Stripe Connect integration, enhancing the verification and risk assessment of business clients, while promoting regulatory compliance.
* Developed a browser extension proficient in scraping YouTube data leveraging Puppeteer, showcasing my ability to interact with and gather data from popular web platforms.
* Engineered a Google Meets bot with Puppeteer, bringing real-time translations and enhancing cross-language communication efficiency.
* Fraud Prevention Integration: Integrated sophisticated KYC/KYB and anti-fraud solutions, bolstering system security and customer verification processes.
* KYB Enhancement: Improved the verification and risk assessment of business clients by implementing KYB checks via Stripe Connect integration, thus promoting regulatory compliance.
* Browser Extension Development: Conceptualized and executed a browser extension tailored for efficiently scraping YouTube data, showcasing expertise in Puppeteer and data extraction techniques from popular platforms.
* Team Environment: I value a supportive, and collaborative team environment.
* Growth and Development: I'm keen on opportunities for continuous learning and professional development.
* Latest Technologies: I aspire to work with modern and cutting-edge technologies.
* Competitive Salary and Benefits: I am looking for a competitive salary and benefits package.
* Recognition: I seek a workplace that recognizes and rewards efforts, with clear paths for advancement.