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Full Stack JavaScript Engineer (Back-End Focus)


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    Tech Stack / Изисквания

    We are looking for a Middle Full-Stack JavaScript Engineer to join our fantastic engineering team. Our server architecture is micro-services based, running on JavaScript/Typescript using Nest.js framework with MongoDB and Aerospike as a data store and Pulsar as a queue-based communication. We are advocates for cutting-edge technology.​

    In your new role, you will work at the heart of our system. You will be responsible for back-end applications combining multiple sports data sources and front-end applications, allowing data manipulation and customization before they make it to the end user.​

    CoreTech is a B2B company that provides a SaaS (software as a service) solution for online sports platforms. Our systems process more than 3 billion messages every day to provide our clients with the most accurate and consistent sports data.

    A bit about your future role ​

    • Be dedicated to product quality and have excellent analytical and problem-solving skills​
    • Continuously design, develop, and deploy backend services​
    • Focus on high availability, low latency, and scalability​
    • Enthusiastically research new methods for doing things​
    • Provide solutions to challenging problems​

    What we are looking for ​

    • 2+ years of experience in Node.js and TypeScript​
    • 2+ years of experience as a JavaScript Developer ​
    • Working with databases such as MongoDB​
    • Experience working with high-load systems​
    • Familiarity with the Nest.js framework​
    • Good verbal and written English communication skills (we are a multi-national team)​
    • Independent, fast learner, motivated by a fast-paced, high-growth environment


    What will help you succeed​

    • Possess a computer science degree from a top-tier institute.​
    • Have practical experience with Aerospike in a commercial setting.​
    • Willingness to work from the office, especially during the onboarding phase, as we prioritize in-person collaboration.​
    • Bring valuable experience within the online betting industry.

    What we offer

    • An open-minded environment that values you
    • An international multicultural team
    • An amazing office environment (table tennis, play station, all the fun stuff)
    • Food vouchers (180 BGN)
    • Additional health insurance
    • Multisport card
    • 21 days paid leave
    • Flexible working hours
    • Manicure, massage, breakfast, and snacks in the office
    • Wedding and new baby bonus
    • Team building activities
    • Knowledge sharing sessions


    If you are interested in joining our diverse and dynamic team, we are looking forward to your application. Only short-listed candidates will be contacted.​

    Confidentiality of all applications is assured!

    In regard to GDPR 2016/679 you hereby give your consent the personal data included in the CV/resume/motivational letter to be processed for the purposes of the recruitment and hiring process in the company. ​