Candidates 442
$5000 / mo
≈ $60000 / year net
Full Stack Web Developer
Ukraine · Kyiv · 6 years of experience · Upper-Intermediate ·Published today · In passive search
Ukraine · Kyiv · 6 years of experience · Upper-Intermediate ·Published today · In passive search
$2200 / mo
≈ $26400 / year net
Full Stack JS (TS) developer
Ukraine · 3 years of experience · Upper-Intermediate ·Published today
Ukraine · 3 years of experience · Upper-Intermediate ·Published today
Responsibilities:
- Creating new features - backend/frontend; fixing bugs
- Integration with third-party services: Quickbooks, Hubspot, Google Gmail, Google Calendar.
- Front-end/Backend/DB optimizations
Main stack:
- JavaScript (TypeScript)
- Angular, React, Node.js, Fastify, Express, Socket.IO, Knex / Objection.js, PostgreSQL, MongoDB, Redis
- AWS (EC2, S3, AWS Lambda)
$1800 / mo
≈ $21600 / year net
Front-End developer (React / Next.js / React Native)
Ukraine · 2 years of experience · Intermediate ·Published today
Ukraine · 2 years of experience · Intermediate ·Published today
Front-end developer - - Responsible for building a B2B marketplace platform that facilitates business for restaurant owners, hotels, and independent retailers. Utilized TypeScript, React, Next.js, React Native, Redux, Redux Toolkit, Redux Saga, Axios, GraphQL, Apollo, and i18next to achieve project goals.
Achievements
- Implemented mobile app basket functionality.
- Developed loyalty features, points accumulation, and redemption mechanisms.
- Built a web payment service, enabling users to make payments independently from both the mobile app and website platform.
- Increased user engagement in the mobile app by 20% through feature implementation and optimizations.
- Enhanced conversion rates by 15% through the integration of loyalty features and checkout processes.
Relevant Coursework:
Advanced Front-end (Ulbi TV) - This course explores achieving standardization, explicitness, flexibility, and stability in front-end projects through the implementation of advanced architectural principles, with a focus on Feature-Sliced design.
Achievements
- Applied Feature-Sliced Design principles to elevate software architecture standards, empowering software development with resilience and adaptability.
- Mastered concepts such as Dependency Inversion, Low coupling, High cohesion, and other advanced architectural principles to ensure future-proof solutions.
- Employed practices to sculpt a Screaming Architecture, transforming codebases into efficient and enjoyable environments.
- Mastered the skill of crafting adaptable solutions, tailoring each project to address evolving needs and challenges.
- Achieved top-notch software solutions, effectively balancing robustness and adaptability to ensure project success.
$1300 / mo
≈ $15600 / year net
Full stack developer
Ukraine · Kyiv · 2.5 years of experience · Intermediate ·Published today
Ukraine · Kyiv · 2.5 years of experience · Intermediate ·Published today
I have experience in developing Telegram bots.
I also developed chat with AI.
I also have a little experience working with a mobile application on Flutter.
$2500 / mo
≈ $30000 / year net
Front-end Developer | Angular (2-17) | JavaScript |TypeScript Developer
Ukraine · Kyiv · 4 years of experience · Intermediate ·Published today · In passive search
Ukraine · Kyiv · 4 years of experience · Intermediate ·Published today · In passive search
My technical expertise extends beyond coding and includes in-project communication, product development, and presale activities
I have worked across diverse domains such as CRM, FinTech, MedTech, and E-commerce, and I am passionate about leveraging my skills to solve complex challenges
Let's discuss how my skills align with your team's goals.
$1500 / mo
≈ $18000 / year net
Middle Software Engineer (Node.js, Golang)
Ukraine · Kyiv · 2 years of experience · Upper-Intermediate ·Published today · In passive search
Ukraine · Kyiv · 2 years of experience · Upper-Intermediate ·Published today · In passive search
Igor Sikorsky Kyiv Polytechnic Institute - Bachelor of Software Engineering
Should you have an exciting and relevant opportunity that aligns with my skills, I would greatly appreciate hearing from you. Thank you for your time, and I value your consideration.
Have a nice day :)
$3000 / mo
≈ $36000 / year net
Software Engineer
Ukraine · Kyiv · 5 years of experience · Intermediate ·Published today
Ukraine · Kyiv · 5 years of experience · Intermediate ·Published today
Serving the user data using of login account system and NoSQL database structuring. Implementing of test modules.
Developed and integrated authentication systems using OIDC and OAuth protocols.
Designed and implemented a task management system based on webhooks and Redis queues.
Utilized gRPC with protobuf files for efficient inter-component communication. Created APIs using GraphQL with various schemas to optimize data access.
Independently developed an email service with delivery guarantees, employing strategies and queues. Integration with SendGrid ensured reliability.
Developed APIs encompassing all aspects of authentication and user data management, as part of the platform's offerings and within the scope of a White-label solution.
Enhanced the website's representation, search engine optimization, and landing pages through improved routing, promotional strategies, and analytics.
Developed and implemented an effective task management system for team collaboration.
Enhanced security and user experience by integrating authentication systems, including Apple OAuth and Google OAuth integrations.
Ensured reliable email delivery with a strategy-based queuing system and SendGrid integration
Achieved efficient inter-component communication using gRPC and protobuf.
$6000 / mo
≈ $72000 / year net
Lead/Senior Full Stack Software Engineer
Ukraine · Kyiv · More than 10 years of experience · Advanced/Fluent ·Published today
Ukraine · Kyiv · More than 10 years of experience · Advanced/Fluent ·Published today
Experienced software engineer with 15 years of expertise in developing scalable and robust software solutions. Proficient in both backend and frontend technologies, dedicated to ensuring maintainable and well-tested code. Skilled in managing the software development lifecycle from concept to deployment, with a commitment to delivering effective, future-proof systems.
# Work Experience
05/2021 - now Staff Software Engineer
Led the development of key subsystems, such as scalable cloud file storage and synchronization services, enhancing system efficiency and user satisfaction:
- Initiated the adoption of serverless architecture, designing and developing essential services
- Conducted thorough code reviews and managed pull requests to ensure high code quality and adherence to best practices.
- Mentored junior developers, providing them with guidance and support.
- Enhanced application capabilities through advanced data modeling, utilizing JanusGraph and Cassandra for efficient graph-based data storage, enabling more sophisticated handling of complex business logic.
05/2017 - 05/2021 Senior Full Stack Engineer
Led and contributed to key development initiatives across the full stack, enhancing system architecture and user experience:
- Designed and maintained RESTful APIs in Node.js.
- Developed user-centric features for the client-side app, including a digital signature functionality allowing parties to sign documents and comprehensive end-to-end file encryption.
- Spearheaded the migration to microservices architecture.
- Refined data architecture and improved database interactions, supporting system scalability and performance.
08/2012 - 05/2017 Backend Software Engineer
Focused on improving existing backend systems and developing new features:
- Engineered a data processing pipeline enabling users to perform full-text searches across various document formats, leveraging Elasticsearch as a search and analytics engine.
- Managed key backend operations including server-side application logic and development of client-facing APIs.
- Conducted continuous performance monitoring and optimization
2008 - 07/2012 Software Engineer (Freelance)
Collaborated closely with clients to identify their software needs, translating requirements into actionable development plans that aligned with their goals. Engineered and implemented custom web solutions that enhanced operational efficiencies, improved user engagement, and drove business growth for clients.
$1500 / mo
≈ $18000 / year net
Node.js Backend Developer
Ukraine · Kyiv · 2 years of experience · Upper-Intermediate ·Published today
Ukraine · Kyiv · 2 years of experience · Upper-Intermediate ·Published today
Internship
07/2022 – 05/2023 Serverless Team | Backend Developer
Full-time
Core competencies:
Event-Driven Architecture: implemented architectures that
efficiently process and validate financial transactions, utilizing
advanced AWS services for robust and scalable event
handling.
System Modernization: transitioned from monolithic to
microservices architectures, employing AWS technologies
and integrating IoT solutions to upgrade existing applications
and systems for enhanced performance and scalability.
Backend Development: developed backends for real-time
applications in medical and social networking domains,
ensuring secure data transactions and real-time
communications with technologies like WebSocket and
PostgreSQL within AWS environments.
Testing and Integration: implemented comprehensive
testing protocols, including unit, integration, and end-to-end
tests, to ensure the reliability of applications.
$3200 / mo
≈ $38400 / year net
Full Stack Developer
Ukraine · Kyiv · 4 years of experience · Upper-Intermediate ·Published today · In passive search
Ukraine · Kyiv · 4 years of experience · Upper-Intermediate ·Published today · In passive search
SQL: MySQL, PostgreSQL, MariaDB
NoSQL : Firebase, MongoDB(mongocryptd, sync), PostgreSQL
Tech stack
Node.js: JavaScript/TypeScript, NestJS (TypeORM, Swagger, Jest, etc), AWS/GCP, Docker/Docker-compose, GitLab/GitHub, REST, GraphQL, WebSocket/Socket,io/websocket, RabbitMQ/Kafka/BullMQ, PostreSQL/MongoDB/Redis, ElasticSearch, Stripe/Authorize,net/Terrapay/Moneygram, Nodemailer/ImapFlow, MediaSoup/WebRTC etc.
Others: OOP,SOLID, GRASP;
SVN, JIR, GIT;
Leadership skills
Creativity
Critical thinking
Thinking outside the box
I approach each task responsibly
The ability to analyze complex technical information
Detail oriented
Excellent problem solver