Junior Algorithm Engineer

FIRST. Best in Sports is a dynamic and innovative global technology company that provides B2B SaaS solutions for online sports platforms.

We are at the forefront of innovation, empowering gaming partners with revolutionary sportsbook solutions. Our cutting-edge sportsbook software, premium data feeds, and unwavering commitment to partner success are reinventing the gaming industry. We offer a dynamic and inclusive work environment where employees are empowered to make a difference and drive our company’s success.

About the role

We are looking for a Junior Algorithm Engineer to join our team. In this role, you will support the design and development of algorithms and simulations, apply probabilistic models, and contribute to improving accuracy and performance in a collaborative environment.

Responsibilities

• Assist in the design and implementation of algorithms for sports and game simulations.
• Support the development of probabilistic models (e.g., Markov chains, Monte Carlo methods) under guidance from senior team members.
• Contribute to optimizing simulation logic and ensuring accuracy of outputs.
• Write clean and efficient code, primarily in .NET and C#, with opportunities to learn functional programming (e.g., F#).
• Collaborate with data scientists, engineers, and product teams to integrate and test algorithms.
• Participate in code reviews and continuously build technical skills in performance-oriented programming.
• Contribute to improving existing models and exploring innovative approaches with support from senior colleagues.
• Create test cases to work and develop test driven methodology

Requirements

• Basic knowledge of probability, statistics, and mathematical modeling.
• Familiarity with algorithm design and a willingness to learn high-performance simulation techniques.
• Some understanding of Markov chains, Monte Carlo methods, or other probabilistic concepts is desirable.
• Proficiency in at least one programming language (C# preferred); exposure to .NET or F# is a plus.
• Strong problem-solving ability, analytical mindset, and eagerness to learn.
• Interest in sports modeling, simulations, or gaming applications is an advantage.
• Bachelor’s degree in computer science, Applied Mathematics, or a related field (or equivalent practical experience).

What do we offer

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

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!

By submitting your application, you explicitly consent, in accordance with Regulation (EU) 2016/679 (General Data Protection Regulation), to the processing of the personal data contained in your CV, resume, and/or motivational letter strictly for the purposes of the recruitment and selection process conducted by the Company. By applying to this job offer, you also freely and expressly consent to the Company storing your personal data and considering your application for future employment opportunities, in accordance with the Company’s data retention policy and applicable legal requirements. You may withdraw your consent to the processing and/or storage of your personal data at any time, without affecting the lawfulness of processing based on consent before its withdrawal, by contacting sending an email request to the following address: dpo@first.bet

Why we need to process your personal data for another term:

• to be able to contact you when we have a suitable position that matches your profile.
• to be able to send you job offers which might be interesting for you.
• to contact you directly, without needing you to go again through the whole selection procedure.

What will we continue to store for you?

• Your name, email, telephone number, social media profile link/s, picture from your CV.
• Your professional experience.
• Your skills, language proficiency, special info from your CV, sent by you.