Vitalijus D.-Full Stack Rails Engineer
Check rate
Experience
Full Stack Rails Engineer
SmartRoute.io
- Developed and maintained two Ruby on Rails applications for an IoT telematics solution.
- One system (deployed on AWS) acted as a TCP server, communicating with FMT100 telematics modules, decoding data, and exposing it via a GraphQL API.
- The second app (deployed on Heroku) provided an API with a frontend interface to store and manage data in PostgreSQL.
- Implemented background processing with Sidekiq/Redis and ensured code quality with RSpec.
Software Engineer
Auto Trader UK
- Created, developed and maintained microservices architecture using Ruby on Rails and Node.js.
- Built APIs using GraphQL queries.
- Provided enhanced search experience using Elasticsearch with Sidekiq/Redis.
- Ensured each microservice had a well-defined purpose, independent database, and communicated via APIs to allow parallel development, independent scaling, and deployment, resulting in a robust, scalable, and secure infrastructure.
Backend Engineer
Autorama UK Ltd
- Built multiple Ruby on Rails applications for internal and external use based on microservices infrastructure.
- Created a Gateway app using Apollo Federation to combine multiple APIs into a single federated GraphQL API, coordinating multiple API calls to return unified responses.
- Deployed each app to AWS or Heroku, with its own database and API.
- Scheduled regular database updates using Sidekiq, followed by reindexing with Elasticsearch.
- Secured APIs using AWS Cognito and JWT.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Automotive, Information Technology, and Transportation.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology and Product Development.
Summary
Experienced Full Stack Developer with a passion for building clean, efficient, and scalable applications. Strong expertise in backend development, microservices architecture, and GraphQL APIs. Adept at ensuring high code quality, optimizing performance, and implementing test-driven development (TDD) practices. Committed to delivering maintainable, bug-free applications and improving system architecture.
Skills
Languages & Frameworks: Ruby, Ruby On Rails, Javascript, Node.Js, Css, Html, Graphql, Rest, Tailwind, Stimulus, Bootstrap
Infrastructure & Tools: Docker, Git, Heroku, Aws, Sidekiq, Microservice, Architecture Design, Serverless, Github Actions, Jwt
Databases: Postgresql, Mongodb, Redis, Elasticsearch
Testing: Rspec, Cypress, Postman, Pry, Capybara, Selenium
Leadership & Collaboration: Agile/Scrum, Jira, Confluence, Mentorship, Code Reviews
Innovative, Always Full Of New Ideas / Suggestions
Clear And Effective Communication Skills
Superior Attention To Detail
Confident, Friendly And Easy To Get Along With
Languages
Education
Technical University Munich
MSc in Consumer Affairs · Consumer Affairs · Munich, Germany
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Vitalijus is based in Vilnius, Lithuania.
Vitalijus speaks the following languages: Lithuanian (Native), Russian (Native), English (Advanced).
Vitalijus has at least 6 years of experience. During this time, Vitalijus has worked in at least 3 different roles and for 3 different companies. The average length of individual experience is 2 years and 10 months. Note that Vitalijus may not have shared all experience and actually has more experience.
Based on recent experience, Vitalijus would be well-suited for roles such as: Full Stack Rails Engineer, Software Engineer, Backend Engineer.
Vitalijus's most recent position is Full Stack Rails Engineer at SmartRoute.io.
In recent years, Vitalijus has worked for SmartRoute.io, Auto Trader UK, and Autorama UK Ltd.
Vitalijus is most experienced in industries like Automotive, Information Technology, and Transportation.
Vitalijus is most experienced in business areas like Information Technology and Product Development.
Vitalijus has recently worked in industries like Automotive, Information Technology, and Transportation.
Vitalijus has recently worked in business areas like Information Technology and Product Development.
Vitalijus holds a Master in Consumer Affairs from Technical University Munich.
The availability of Vitalijus needs to be confirmed.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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