Software Engineer (Fullstack)

On-siteSalary not specified
Warsaw, Poland · Armenia · Cyprus

Tech Stack

DockerASP.NET CoreKubernetesPostgreSQLAWS.NETMicroservicesC#Unit TestingSQL

Job Description, Responsibilities & Requirements

About the Position

We are seeking a Senior Fullstack Software Engineer with 5+ years of experience in backend development using.NET to join our remote team.

Responsibilities

  • Develop, and maintain scalable backend services using .NET technologies (ASP.NET Core, Entity Framework Core).
  • Develop and maintain web-based games using pixi.js.
  • Collaborate closely with product managers, designers, and other developers to deliver seamless user experiences.
  • Write clean, maintainable, and well-documented code, following coding standards.
  • Participate actively in Agile processes, including sprint planning, estimations, and iterative improvements. Follow shift-left with TDD/BDD.

Requirements

  • 5+ years of professional experience in backend development using.NET.
  • Proficiency in.NET, ASP.NET Core MVC/Web API, and C#.
  • Strong experience with relational databases, especially MS SQL or PostgreSQL, and ORM tools.
  • Hands-on experience with designing and optimizing database schemas and queries.
  • Familiarity with containerization technologies (Docker, Kubernetes) and cloud services (AWS).
  • Experience with messaging systems (e.g., NATS, Kafka, RabbitMQ) is preferred.
  • Understanding of best practices for monitoring and observability of web applications.
  • Hands-on experience with unit and integration testing. TDD, BDD, and shift-left practices.
  • Familiarity with microservices and Service-Oriented Architecture (SOA) architecture principles.
  • JS/Typescript related tech, with Angular or React.
  • Ideally to have experience with in-browser game engines (pixi.js/babylon.js/cocos.js or similar).

We Offer

  • An exciting and challenging job in a fast-growing business group, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance, and more.
  • Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed.
  • Beautiful offices in Warsaw, Limassol, Yerevan. Work remotely or on-site with comfort and enjoy the opportunity to build a network of connections with professionals day by day.
  • Modern corporate equipment based on macOS or Windows and additional equipment are provided.
  • Paid vacations, sick leave, personal events days, days off.
  • Corporate health insurance program for your well-being.
  • Referral program: enjoy cooperation with your colleagues and get the bonus.
  • Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences.
  • Rewards program for mentoring and coaching colleagues.
  • Free internal English courses.
  • Sport benefit.
  • In-house Travel Service.
  • Multiple internal activities: online platform for employees with quests, gamification, presents and news, RedCore clubs for movie/book/pets lovers, special office days dedicated to holidays.
  • Company events, team buildings.

Locations

  • Warsaw, Poland
  • Limassol, Cyprus
  • Yerevan, Armenia
  • Remote

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Job Details

Company name:
Redcore Group
Location:
Warsaw, Poland · Armenia · Cyprus
Work Mode:
On-site
Posted on TheJob:
Jul 17, 2026
Last checked:
Jul 17, 2026
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