JavaScript Expert

A custom development company, MentorMate is a design and software powerhouse with mature and established practices in Enterprise Web & Mobile Development, Technical Architecture, Human-Centered Design, Cloud & DevOps, Advanced Data Мanagement & Analytics. We are looking to hire a JavaScript Expert for our Continuation Engineering (CE) team consisting of 30+ specialists each with more than 10 years of experience in the field.

As part of our CE team, you will be key to supporting and enhancing custom software products developed for multiple clients. Working directly with clients, you’ll make product and code improvement recommendations to meet their business goals. You will work on a wide variety of products with time to dig into the code to sort through issues and prepare enhancements and fixes. Our clients come fresh from MentorMate’s product development group, so keeping up on the latest technologies is a must. While we have a fast-paced environment, we allocate time for learning, tool implementation, and automation. Many of the CE team’s current 40+ clients are focused on healthcare and the large amounts of secure data that come with it. We also support innovative products in education, finance, real estate, commerce, IoT, and many other industries.

As a top engineering employer run by engineers, MentorMate provides challenging careers in a friendly, people-oriented environment. We value our employees and share our success through competitive pay and benefits, advancement opportunities, and flexible working models.

Job description
  • Participate in the architecture, design, and development phase of software production
  • Identify potential software defects, misconfigurations, or issues in customer environments
  • Ensure the best possible performance, quality, and responsiveness of applications
  • Track, reproduce, and debug customer-reported issues that span multiple layers of the technology stack at various levels of complexity and customer impact
  • Integrate with server-side Web APIs (JSON/XML)
  • Deliver high-quality software with extensive Unit Testing
  • Act as an escalation point for the most complex and in-depth issues
  • Communicate directly with clients to understand their product needs, investigate issues, design and develop enhancements, provide advice and workarounds, and resolve defects
  • Work in a team with back-end developers (C#, PHP, Java, Node, Python), QAs, Cloud SysOps, and DevOps experts
  • Act as a role model to other support engineers, lead discussions, proactively solvе issues, identify and removе blockers for the entire team
  • 5+ years experience with JavaScript and TypeScript
  • Familiarity with multiple front-end and back-end frameworks like React, Angular, Vue, etc.
  • Experience with JS OOP Design Patterns
  • 3+ years experience with HTML/CSS
  • Experience in developing cross-browser web applications
  • Capable of becoming a credible and trusted resource for clients
  • Strong communication skills - confident, articulate, and professional speaking abilities
  • Responsible, team-oriented, and customer-focused person
  • A passion for learning, a curious mind, and a drive to work with the latest technologies on the market
  • Excellent spoken and written English
А significant advantage would be
  • Experience with Node.js or other back-end technology (Ruby, Python, PHP, .NET)
  • Experience with MongoDB or other NoSQL database
  • Experience with SQL databases like PostgreSQL
  • Ability to work with 3rd party APIs 
Let’s work together
Available for the following work models:
Offices in Sofia, Varna, Plovdiv, Veliko Tarnovo, Ruse
We offer

Career Development

  • Professional growth in a global company
  • Meaningful enterprise projects
  • Latest technologies to choose from
  • Work side-by-side with top engineers
  • Challenging problems to solve
  • A career path with regular salary increases
  • Individual learning budget
  • Internal technical and soft skills trainings
  • Leadership program
  • Business English classes

Work & Life Balance

  • Remote or hybrid working model
  • Five offices in Bulgaria to work from
  • Additional paid time off for loyal employees
  • Regular team gatherings
  • Employee Referral program
  • Gamification incentive program
  • State-of-the-art offices
  • Internal communities of interest
  • Charity and volunteer activities
  • Diverse working environment
  • Metro Station next to the office (Sofia)
  • MentorBikes to use

Flexible Benefits

  • Additional health and dental insurance
  • Investment savings account plan
  • Additional voluntary pension insurance
  • Different types of insurances to choose from
  • Takeaway wallet for your favorite meals
  • Multisport card
  • Pulse SPA & Fitness card (Sofia & Plovdiv)
  • Covered transport expenses
  • Parking (Sofia)

Career Path

Intern Level
Junior Level
Regular Level
Senior Level
Lead / Architect Level
Manager / Principal Level

Let’s Work Together