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Toughlex

Senior Back End Developer, Critical Systems

Toughlex
Lithuania · Full-time · Mid-Senior

Are you a proactive and experienced Back End developer looking to join a team working on enterprise-level systems? We're seeking a talented .NET Developer to join our team in Kaunas, Lithuania, with an option for remote work. In this role, you'll be working with cutting-edge technologies to maintain and develop high-quality solutions for our client.


Main responsibilities

  • Develop administrative, back-office and support systems
  • Work with a microservice architecture
  • Collaborate closely with the team to implement client requirements and create new systems
  • Apply best practices for clean code
  • Manage technical debt and ensure high-quality implementations


Requirements

  • A minimum of 4+ years of .NET experience
  • MSSQL
  • Experience with microservices architecture
  • Experience with Entity Framework
  • Strong written English communication skills


Nice to have

  • Experience with enterprise-level systems
  • Knowledge of REST, Docker and GraphQL


What we offer

  • Opportunity to work on challenging tasks and projects
  • Top-notch technical equipment
  • 2 paid days for self-development, plus a yearly budget
  • Budget for health insurance / workstation enhancement
  • Access to regular psychological care, including private counseling
  • Biweekly Tech Lunches featuring lectures from team members and subsequent discussions
  • Friday lunches
  • Larger quarterly and smaller monthly team-building events
  • A flexible working environment with the option to work both from the office and from home
  • Salary between 4300 – 5300 gross / month.
  • Salary offer for the candidate is determined based on the predefined salary ranges for the position and depends on the candidate's level of competence and experience.


Hiring process

  • Application Review. We’ll contact shortlisted candidates to schedule a first-round interview
  • Initial Interview. The first interview will be conducted by our HR team member and will focus on understanding your background, motivation for applying and clarify any questions about the role
  • Technical Interview. The second interview with the senior team member will be focused on your technical skills. This could include case study, problem-solving questions or a coding challenge
  • Final Interview. The final interview with the hiring manager and the client involves deeper discussions around team dynamics, long-term alignment, and cultural fit
  • Criminal Record Check. In line with Regulation (EU) 2016/679 (GDPR) and our commitment to protecting critical information systems, proportionate criminal record checks are conducted for certain roles, including this position.
  • Offer & Onboarding. If selected, we will extend a job offer with details on compensation and next steps

Key Skills

Ranked by relevance

microservices docker gdpr
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Posted
Jul 11, 2025
Type
Full-time
Level
Mid-Senior
Location
Kaunas
Company
Toughlex

Industries

IT Services IT Consulting

Categories

Engineering Information Technology

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