Senior full stack (Core)

Senior full stack (Core) Kivon | Career Page

Senior full stack (Core)

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Job Description

Senior Full Stack Software Engineer (Core Platform)

Athens | Full-Time |

We're building a new regulated iGaming platform from the ground up for the European market.

This isn't another role maintaining legacy systems or adding features to an existing platform. You'll join at the very beginning of the journey, helping build the core platform that will power player management, wallets, bonuses, and back-office services across multiple regulated markets.

We're looking for two experienced Software Engineers who enjoy solving complex technical problems, making architectural decisions, and working as part of a highly experienced engineering team.

What you'll be working on

• Designing and building core platform services using modern distributed architecture.
• Developing scalable backend services primarily in Go (strong engineers from Java, C#, Kotlin or TypeScript backgrounds are welcome).
• Building modern React-based back-office applications.
• Working with microservices, APIs, event-driven systems, relational and NoSQL databases.
• Collaborating closely with the CTO, Architect, Product Owner and QA to deliver high-quality software.
• Using modern AI engineering tools as part of your daily workflow to improve productivity and software quality.

We're looking for someone who has

• 7+ years of professional software engineering experience.
• Strong backend experience in Go, Java, C#, Kotlin or modern TypeScript.
• Solid frontend experience (React preferred).
• Experience building distributed systems and microservices.
• Strong engineering judgement and code review skills.
• Previous iGaming experience.
• Fluent English.

Nice to have

• Go
• PostgreSQL
• Kafka
• AWS
• Kubernetes
• Docker
• GitHub Actions
• gRPC
• ISO27001 / GDPR awareness

What we offer

• A highly competitive compensation package.
• Annual performance bonus.
• Comprehensive private medical insurance.
• Permanent employment or long-term contractor engagement.
• Premium equipment of your choice.
• Budget for conferences, certifications and continuous learning.
• Enterprise AI tooling, including Claude Team/Enterprise, NotebookLM and modern engineering tools.
• Direct collaboration with the CTO, Architect and Product leadership in a small, senior engineering team.
• Real ownership, fast decision-making and the opportunity to influence technical direction from the earliest stages.
• Long-term opportunity to help build and evolve a modern regulated platform targeting multiple European markets.

If you're an experienced software engineer looking for your next challenge and enjoy building modern software with experienced colleagues, we'd be happy to speak with you.

Working Place

Kallithea, Greece

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