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May 19, 2026

Full-Stack Architect (.NET + React)

Senior • Remote

Warsaw, Poland

Svitla Systems Inc. is looking for a Full Stack Architect with React and .NET for a full-time position (40 hours per week) in Europe. Our client specializes in delivering digital forensic and incident response solutions tailored for businesses, public safety organizations, and service providers engaged in the investigation of cybercrimes. 

Requirements:

  • Education: Associate/Bachelor's/Master's degree in Computer Science or a related field, or equivalent professional experience.

  • Experience: Minimum of 5 years in front-end development, UI design, and application development.

  • Tech Stack:

    • Fluency in JavaScript and React.

    • Proficiency in the Microsoft/.NET stack and development lifecycle tooling (Visual Studio / VS Code).

    • Strong experience with MySQL 8 (optimization, schema design, and complex queries).

    • Hands-on experience with Elasticsearch for full-text search and analytics.

  • Infrastructure & DevOps:

    • Deep understanding of AWS infrastructure and core services.

    • Experience deploying and managing applications using ECS (Elastic Container Service) and K8S (Kubernetes).

    • Familiarity with Docker and container orchestration.

  • Design & Standards:

    • Expertise in responsive design for both mobile and desktop views.

    • In-depth knowledge of cross-browser compatibility and modern web standards.

  • Soft Skills & Methodology:

    • Experience in Agile development methodologies.

    • Ability to work independently and within cross-functional teams to produce high-quality deliverables.

    • Proven track record of building data-intensive applications with a focus on performance and scalability.

Responsibilities:

  • Full-Stack Development: Develop and maintain complex full-stack applications, ensuring seamless integration between React front-ends and .NET back-ends.

  • System Analysis: Analyze the current application stack, identifying bottlenecks in data-intensive workflows and recommending architectural improvements.

  • Infrastructure Management: Implement and manage scalable solutions on AWS, leveraging ECS/K8S for container orchestration and ensuring high availability.

  • Data Strategy: Architect and optimize data storage solutions using MySQL 8 and Elasticsearch to handle large-scale datasets efficiently.

  • Introspection & Monitoring: Help implement tools to provide system introspection, logging, and performance monitoring across the distributed stack.

  • Collaboration: Work closely with cross-functional teams to bring software solutions from initial concept to production deployment.

  • Code Quality: Write clean, efficient, and well-documented code, adhering to industry best practices and internal coding standards.

  • Innovation: Stay up-to-date with emerging technologies (particularly in the AWS and CNCF ecosystems) to suggest process enhancements and technical upgrades.

  • Execution: Meet required schedules and release cycle timelines in a fast-paced environment.

  • Adaptability: Rapidly learn and integrate new business models, concepts, and technologies into the existing ecosystem.