Candidates 138
$8400 / mo
≈ $100800 / year net
Senior Software Engineer & Tech Lead
Ukraine · More than 10 years of experience · Advanced/Fluent ·Published today · In passive search
Ukraine · More than 10 years of experience · Advanced/Fluent ·Published today · In passive search
My expertise includes:
- Designing applications and software architecture to meet business needs.
- Building high-quality AWS infrastructures using AWS CDK.
- Developing Node.js applications with TypeScript.
- Creating automated data pipelines and integrating big data processing and machine learning technologies.
- Implementing best practices for security, scalability, and reliability.
My technology stack includes
- Node.js, TypeScript, JavaScript, and Python.
- Angular, React.js, Next.js, Tailwind CSS.
- AWS Lambda, StepFunctions, SQS, SNS, S3, API Gateway, EC2, Elastic Beanstalk, VPC, Route53, CloudFront, CloudFormation, CodeBuild.
- MongoDB, PostgreSQL, MySQL, DynamoDB, Snowflake.
- CI-CD, IaC, AWS CDK, AWS SAM, Serverless framework.
- Unit testing, Jest, Sinon.
My Tech Lead Responsibilities
- Conducting detailed code reviews to ensure quality and adherence to standards.
- Offering mentorship and guidance to junior team members to promote professional growth.
- Making crucial decisions related to product architecture to align with strategic goals.
- Overseeing the interactions among different product components to ensure seamless integration.
- Identifying and addressing any skills gaps within the team, and creating training plans as needed.
- Designed and implemented high-load systems with 5M lambda invocations daily
- Migrated 3000 AWS resources into AWS CDK
- Parsed 5GB (JSON "single line" report) in lambda function with 3GB RAM
- Designed and implemented effective machine learning integration with a serverless solution
$4000 / mo
≈ $48000 / year net
Nodejs developer
Ukraine · 4 years of experience · Upper-Intermediate ·Published yesterday
Ukraine · 4 years of experience · Upper-Intermediate ·Published yesterday
Currently working on young healthcare project, where I am mostly working with complex queries in Postgres, nodeJS, AWS lambdas. Also my responsibilities here include a lot of analytics work, technical documents preparations etc.
$2700 / mo
≈ $32400 / year net
Node.js developer
Ukraine · Lviv · 3 years of experience · Intermediate ·Published yesterday
Ukraine · Lviv · 3 years of experience · Intermediate ·Published yesterday
Full-stack developer: HTML, CSS, Material-UI, Bootstrap, JS, React, Redux, Redux-Thunk, Node.js, Express, Nest.js, MongoDB, MySQL, GraphQL.
I have experience working as a freelancer, where many short-term projects were executed.
$2800 / mo
≈ $33600 / year net
JavaScript/NodeJS Software Engineer
Ukraine · Lviv · 4 years of experience · Intermediate ·Published yesterday
Ukraine · Lviv · 4 years of experience · Intermediate ·Published yesterday
$4800 / mo
≈ $57600 / year net
Node.js developer
Ukraine · 6 years of experience · Upper-Intermediate ·Published 1 May
Ukraine · 6 years of experience · Upper-Intermediate ·Published 1 May
-Project description:
The client was a London and Kuwait bank that focused on technology
solutions for the Fin- tech domain. The core tasks for our team were to build
mortgage application for users.Also integration with SalesForce api for statistics.
Also big part from my side was implementing loan calculator for 2 and 5 years fixed.
It was one of the most profitable functionals for the bank in 2022 who went to production.
-Project Role:
Back End developer
-Responsibilities:
write lambda func, add grapql query and mutation, deploynew
lambda,coverage logic by unit tests using ava, refactor existing code,
end to end tests(JEST),
write activities using temporal wf,
support postman collection docs and automation tests,
-Project Team Size:
11 team members
-Tools & Technologies:
Node.js, Serverless, DynamoDb(aws), Lambda(aws), TypeScript, Ava tests, S3bucket,
Temporal WF, Postman
Jul 2021 - Jan 2022
-Project description:
The client was a European company that focused on technology solutions
for the Tourism domain.The core tasks for our team were to refactor the legacy code,
shift a project to a microservices architecture, and resolve database query issues.
Our involvement consisted in the maintenanceand extension of the existing functionalities.
Engineering efforts covered the implementation of an API, a backend part, a database,
and web services.
-Project Role:
Back End developer
-Responsibilities:
write api and documentation, deploy new microservices,write unit
tests jest, refactor existing code, end to end tests(JEST)
write yaml files, test on minikube
-Project Team Size:
15 team members
-Tools & Technologies:
Node.js, NestJs, Kubernetes on GCP, RxJs, Docker, TypeScript, Jest tests
Aug 2020 - Aug
2021
-Project description
The project was determined for a cleaning company based in the USA.
The goals behind the project were to develop new features using the client’s API,
extend the client’s API, cover unit test by 90% of an API logic, create an orientation
calendar for managers for all functional workflows applying a microservices architecture.
The dedicated team was in charge of developing an MVP, maintaining and extending
the existing functionalities. The cooperation assumed the creation of an API,
frontend and backend parts, a database, a mobile website, and web services.
-Project Role:
Back End developer
-Responsibilities:
write api, write migrations, describe new models in DB,
implement new feature, ref
Also conducted interviews for candidates for position nodejs developer.
Domain expertise: information technology and services, travel and tourism,
telecommunications and media, medical devices and healthcare, banking and financing.
$1500 / mo
≈ $18000 / year net
Full-Stack/ Front-end (React, Vue and Node.js)
Ukraine · Lviv · 3 years of experience · Advanced/Fluent ·Published 1 May
Ukraine · Lviv · 3 years of experience · Advanced/Fluent ·Published 1 May
Hi,
Ambition Full Stack Developer with 3+ years of experience, specializing in web development.
Demonstrated expertise in Typescript, RESTful and SOAP web services, and frontend technologies.
Skills
• React & Vue.js & Node.js & JSON & Testing
• HTML & CSS & TypeScript & TailwindCSS & Bootstrap
• Algorithms & Data Structures
• Design Patterns, OOP, SOLID principles
• Web Services - REST, SOAP, GraphQL
• PHP & Laravel Framework (Laravel)
• MySQL & MongoDB & Redis & Microservices
• Docker & Kafka/Nets & Linux & Kubernetes
• AWS & Azure & DigitalOcean
• Agile & Jira & Git & CI/CD
• Organisation & Time Managment
• Critical thinking & Decision-making
Responsibilities
• Developing, and supporting the main application.
• In-time delivery, and development of web services and APIs using JavaScript and related technologies.
• Collaborate with cross-functional teams to ensure project success.
• Mentor junior team members and facilitate knowledge sharing.
Let's connect and discover opportunities together!
$4500 / mo
≈ $54000 / year net
Fullstack Engineer (C#, Node, Next, React, AWS)
Ukraine · Lviv · 6 years of experience · Intermediate ·Published 1 May · In passive search
Ukraine · Lviv · 6 years of experience · Intermediate ·Published 1 May · In passive search
1. C# stack (asp.net, ef, mediator, microservices, monoliths, concurrency)
2. JS stack: NextJs, React, Express, Mongo, Vercel
3. DevOps: AWS, Terraform, bash, CICD, Docker
- Cryptography
- Unit/Staging/E2E tests for all system parts
_____________________________________
Experience:
- Built a mobile application for tracking cryptocurrencies.
- Developed websites for monitoring crypto markets
- Collaborated to the creation of a mobile app for stock trading
- Developed an SEO tool to enhance sales for various commercial sites.
-Built different blogs and e-commerce websited
- Successfully developed and launched a PoC NFT product
- Automatisation lover (I'm lazy)
- Interesting tasks
- Product/Startup
$2800 / mo
≈ $33600 / year net
Middle Fullstack Developer
Ukraine · Lviv · 3 years of experience · Upper-Intermediate ·Published 30 April
Ukraine · Lviv · 3 years of experience · Upper-Intermediate ·Published 30 April
Web application with few pages which helps people
to make right decision. User goes through multi
staged survey to determine the best choice among
many options.
Used Technologies:
- React-Redux library,
- Boostrap,
- JSX,
- JS/HTML/SCSS
- React Router
Note: All of this were under guidance of experienced
web developer from my company
Academy 02/2021
Mentor-guided online ReactJS Course in coding marathon
format #(webui, web, ui)
Git, GitHub
Creating Web applications using ReactJS and Node.js
Work with databases
Advanced Modern JavaScript Language Topics
Unit testing of web application
SOLID principles
Teamwork, SCRUM
Fully functional web projects
$2500 / mo
≈ $30000 / year net
Node.js Developer
Ukraine · Lviv · 4 years of experience · Upper-Intermediate ·Published 29 April
Ukraine · Lviv · 4 years of experience · Upper-Intermediate ·Published 29 April
Worked as developer, devOps, mentor.
• developed authentication
• developed randomizer
• integrated firebase cloud messaging
• integrated huawei push kit
• wrote web socket api
• developed mongoDB database
• deployed api to server
• configured nginx
• configured pm2
• developed mail sender to api
Platform for buisness managment. Project created for local business. Helps business to mange all process and control resourses and money.
Worked as developer, devOps, mentor.
• developed user authentication
• developed PostgresQL database
• normalized database
• developed user authorization
• mentored trainee
• deployed api to server
• configured nginx
• configured pm2
• developed mail sender to api
Platform for web calls and meetings. Project is a web call solution in quarantine period.
Worked as developer, devOps.
• developed rate limiter for api
• updated mongoDB with new fields
• deployed api to server
• developed mail sender to api
Platform for learning. Project comes from E-learning and Health sphere. Helps specially trained people to try own skills before main exam and certification.
Worked as developer, mentor.
• integrated app to SCORM
• developed api authentication
• setup project cernel
• made code review sessions
Platform for advertising. Project is a b2b solution between famous brands and influencers. Platform gathers bloggers KPIs and prepare them for brands.
Worked developer
• fixed data scrapping
• refactored components to TypeScript
• wrote unit and e2e tests
• implemented new features
• reviewed merge requests
• increased application response time
Platform for electricity managment
Web service that simplifies solar energy management for the Swiss market. Creating, deploying, and managing energy usage of solar systems, visualizing trends, optimally distributing the energy, and defining optimal consumption/production strategy. Different roles in place for efficient user support as well as swift configuration update of PV systems. Installer companies use the service as it saves money and prolongs amortization period of PVs
Technologies & Tools: Node.js, Express, MongoDB, Redis, mongoose, Bull, Web
Workers, lambda, mocha, chai, Hapi
$2500 / mo
≈ $30000 / year net
Frontend/Backend/Full Stack Web Developer
Ukraine · Lviv · 3 years of experience · Intermediate ·Published 29 April
Ukraine · Lviv · 3 years of experience · Intermediate ·Published 29 April
I have experience working with AWS, Azure, Docker, RabbitMQ, Gin, Express, Koa.js, NestJS, NextJS, PostgreSQL, SQL Server, MySQL.
1. Logistic platform
Responsibilities:
- creating new features and functionality;
- working with logistic companies' APIs;
- integration with back-end;
- creating front-end;
- fixing bugs;
- providing unit and integration testing;
2. Fitness platform
Responsibilities:
- creating new features and functionality;
- integration with back-end;
- creating front-end;
- integration of external APIs
- fixing bugs.
3. Student financial web portal
Responsibilities:
- creating new features and functionality;
- integration with back-end;
- creating front-end;
- integration of external APIs
- fixing bugs.
- providing unit and integration testing;
- creating web widgets
4. File management web portal
Responsibilities:
- creating new features and functionality;
- integration with back-end;
- creating front-end;
- fixing bugs;
- providing unit and integration testing;
5. Minor web projects
Responsibilities:
- rewriting the old system;
- adding new functionality;
- integration with CRM
- fixing bugs.