Lead Kotlin Backend Developer (offline) $5000-6000

Project: Advanced cloud-mining platform service specializing in cutting-edge Bitcoin mining solutions and services.

Responsibilities:
- Design, develop from scratch, and maintain a mid-sized ecosystem of microservices in Kotlin.
- Collaborate closely with both the internal team and the customer to ensure platform efficiency and reliability.
- Actively participate in making technical and architectural decisions.
- Secure applications using Keycloak and AWS tooling.
- Maintain clean code standards, ensure high test coverage levels, and actively participate in code reviews.
- Build and expand RESTful APIs.
- Engage in standard Scrum processes including daily stand-ups, estimations, planning, and retrospectives.

Required Qualifications:
- Minimum of 5 years of commercial experience as a Java/Kotlin software engineer.
- Strong expertise with the Spring Framework (Boot, MVC, Data, Security).
- At least 2 years of in-depth experience with AWS services, such as EC2, Lambda, RDS, AWS API Gateway, SNS.
- Solid understanding of microservice architecture.
- Proficiency in writing unit and integration tests using tools like JUnit, Mockito, etc.
- Familiarity with collaborative tools such as JIRA, Confluence, and Git.
- Experience with PostgreSQL or other SQL databases.
- English proficiency at an Upper-Intermediate level or higher.

Advantages:
- Experience with authentication and authorization protocols, specifically with Keycloak or other OAuth2 protocols.
- Dev-ops experience in AWS ecosystem.

About Sloboda studio

Sloboda studio is one of the first Ruby on Rails companies in Eastern Ukraine. The company was founded in 2010. The team includes more than 60 people at the moment and we continue growing.

Our expertise lies in the development of Marketplaces, Fintech and Ad Tech platforms developing.

Sloboda studio provides a full development cycle, including improvement of development processes, employee training and innovative technologies.

In 2018, we introduced Machine learning as our expertise. Our dedicated engineers have been developing NLP algorithms and timeline analytical systems. We also apply Data Science into our projects.

Our Technology Expertise are:
Programming languages: Ruby, Python, PHP, Javascript
Databases: MySQL, PostgreSQL, MongoDB
Testing tools: Rspec, FactoryGirl, Faker, Capybara, Cucumber

Sloboda studio has developed startups for 10 years and has over 700 successful projects. Our dedicated team is trusted by customers from the Great Britain, Norway, France, Germany and the Netherlands.

Join us!

Check our website for more information about Sloboda studio.

Company website:
http://sloboda-studio.com

DOU company page:
https://jobs.dou.ua/companies/sloboda/