Senior Frontend Developer

HybridFrom €5,500
Lithuania

Job Description, Responsibilities & Requirements

About the Position

Our fast-growing team of marketers, salespeople, data nerds & web developers is on a mission to take over online shopping. We're a confident, dynamic, and hardworking group with a zeal for selling cool things and solving complex problems.

If innovation is one of your passions, you thrive when collaborating in a team, and you are ready to embrace every challenge with vigor and determination, then you will fit right in at CommerceCore! If you are fast-paced, have excellent programming skills, and have a passion for the e-commerce world, we would love to meet you.

Responsibilities

  • Contribute to product development decisions;
  • Design, develop, and test features;
  • Maintain and improve existing technical solutions;
  • Resolve technical challenges for seamless system functionality and optimal performance;
  • Define front-end development guidelines and best practices;
  • Participate in front-end architecture decision-making;
  • Proactively share knowledge with team members;
  • Be the go-to person for front-end related questions.

Requirements

  • Hands-on experience (6+ years) implementing and maintaining scalable, highly customizable, and performant front-end applications;
  • Solid foundation in modern JavaScript (ES6+), HTML5, CSS3, and SCSS for efficient styling;
  • TypeScript expertise (intermediate to advanced);
  • Solid understanding of web fundamentals;
  • Proficiency with React or other modern front-end frameworks is required;
  • Testing experience with unit tests (Vitest or Jest) to ensure code quality;
  • Willingness to teach others, ensure best development practices, and be the go-to person for front-end related questions;
  • Able to break down complex problems into manageable chunks and provide realistic estimates;
  • Experience with website customization via feature toggles and A/B testing;
  • Good understanding of various front-end architecture approaches;
  • Familiarity with modern software build pipelines and tools;
  • Knowledge in building secure web systems;
  • Proactive in suggesting solutions, able to work autonomously, skilled in problem-solving, and focuses on business impact over perfection;
  • Excellent communicator - shares updates proactively, collaborates effectively with cross-functional teams, and embraces iterative development;
  • Experience in working within the e-commerce domain including payment integrations is a bonus and conversion tracking.

We Offer

  • Salary range starting from 5500 EUR Gross (according to qualifications);
  • Workplace Flexibility: flexibility in the workplace, including a hybrid working model;
  • Encouraging learning environment: opportunities for professional development, including a budget for books and online courses, and time for learning;
  • Collaborative, dynamic & experienced team: a culture where diverse perspectives are valued and encouraged;
  • Regular team building: activities to strengthen bonds with your colleagues through regular team events and outings;
  • Referral bonuses: there is an opportunity to receive a reward for recommending someone to the team;
  • Modern offices: offices in Vilnius and Kaunas city centers (shower, kitchen, Foosball & other benefits for a comfortable working environment);
  • Office Perks: weekly snack refills, bun Wednesdays to brighten your midweek, and company lunch on the last Friday of each month;
  • Celebrations & Events: company-wide events and celebrations, such as results overviews, Christmas parties, and summer events;
  • Personal Celebrations: recognition of personal milestones and celebrations, such as birthdays and anniversaries.

About the Company

Can you see yourself on our team? Drop us your CV at [email protected]

Apply Now

Job Details

Company name:
CommerceCore
Salary:
From €5,500
Location:
Lithuania
Employment Type:
Full-time
Work Mode:
Hybrid
Posted on TheJob:
Mar 25, 2026
Last checked:
Jun 29, 2026
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