Oddin

B2B esports betting odds provider

Kotlin Developer

Backend EngineeringConfirmed live in the last 24 hours

Full-timeNo salary listedRemote

About the Job

Requirements

At least 1 year of experience with Kotlin.
Good understanding of backend fundamentals and interest in learning cloud and distributed systems.
Good understanding of backend fundamentals and willingness to learn modern tools for content-based applications.
Familiarity with API design, including REST, GraphQL, or gRPC.
Some experience deploying code to a cloud platform such as AWS, Azure, or GCP, or strong interest in learning.
Familiarity with Agile development practices.

Responsibilities

Build and maintain backend services in Kotlin for the product platform.
Design and implement interfaces between internal components and public clients using REST, gRPC, or Kafka.
Implement new features end-to-end with the team, from design discussion through implementation and rollout.
Develop backend functionality for the landing page, including interactive gamification features.
Work with machines in the data center and with the AWS cloud platform.
Help improve reliability and performance, including monitoring, caching, and availability, with guidance from the team.
Collaborate in a cross-domain product team with other Kotlin developers and AI specialists.
Learn and grow through pairing, code reviews, and mentoring.

Desired Qualifications

Knowledge of Docker and basic infrastructure.
Experience with Terraform or Kubernetes.
Interest in esports.

About Valka.ai

Valka, a visionary spin-off from the Realms Group (the parent company of Oddin.gg), is on a mission to revolutionize the way people create and experience digital content. Our team believes that content shouldn’t just be consumed; it should be co-created in real time, blurring the lines between imagination and reality. By harnessing the power of cutting-edge AI, we aim to build an interactive human-digital platform where virtual characters respond dynamically to each user’s voice, text, gestures, and more.

This is your chance to join a diverse group of innovators who are driven to redefine what’s possible in generative content. Together, we’re changing the paradigm from passive viewing to active participation, unlocking new creative frontiers across gaming, entertainment, education, and beyond.

What You Will Be Doing

Build and maintain backend services in Kotlin for our product platform
Design and implement interfaces between internal components and public clients (REST/gRPC/Kafka)
Implement new features end-to-end together with the team (design discussion → implementation → rollout)
Develop backend for our landing page, with interactive gamification features
Work with machines in our data center, as well as cloud platform on AWS
Help improve reliability and performance (monitoring, caching, availability) with guidance from the team
Be part of a collaborative, cross-domain product team, closely cooperating with other Kotlin developers, as well as AI specialists.
Learn and grow through pairing, code reviews, and mentoring

Skills you need

1+ years of experience with Kotlin
Good understanding of backend fundamentals and interest in learning cloud & distributed systems
Good understanding of backend fundamentals and willingness to learn modern tools for content-based applications
Familiarity with API design (REST/GraphQL/gRPC)
Some experience deploying code to cloud (AWS/Azure/GCP) or strong interest in learning
Knowledge of Docker and basic infrastructure (a plus)
Terraform or Kubernetes experience (a plus)
Familiarity with Agile development practices
Interest in esports (a plus!)

By applying to this position, you consent to Valka.AI s.r.o., ID No.: 231 32 221, Pod dráhou 1637/6, Holešovice, 170 00 Praha 7, Czech Republic together with it's subsidiaries processing your personal data under Regulation (EU) 2016/679.

Your data will be processed for recruitment and may be retained for up to 3 years for similar job opportunities.
Rights: Access, correct, delete, restrict, or object to processing; withdraw consent via [email protected]; or complain to www.uoou.cz.

About the Company

Oddin

B2B esports betting odds provider

Oddin.gg provides B2B esports betting solutions, including esports odds feeds, risk management, and iFrame integrations for betting operators. Its product works by delivering real-time odds feeds, automated risk controls, and embeddable betting interfaces powered by machine learning and data science to optimize partner profitability and user engagement. The company differentiates itself from competitors through a partner-focused model that emphasizes ML-driven odds and risk management, reliable uptime, and a wide range of live markets delivered via easy-to-integrate interfaces. Its goal is to help betting operators grow profitability and deliver a compelling esports betting experience.

Company size: 51-200
Company stage: Series A
Total funding: $8.2M
Headquarters: Prague, Czechia
Founded: 2018

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