Net Developer

Summary

Join Boldare, an Agile company with extensive international experience, as a .NET Developer for a new, long-term project. This strategic greenfield initiative involves building a high-quality integration platform from scratch to handle millions of users across three regions, integrating with platforms like Salesforce Commerce Cloud, CrowdTwist, and Amplience CMS. The initial contract is for 3–6 months, with a strong possibility of extension. You will be working on building a scalable integration system, designing RESTful APIs, collaborating with a distributed team, and maintaining high-quality code. The role requires a minimum of 3 years of experience with C# and .NET (Core 9), proficiency in Web API (REST), and familiarity with Clean Architecture. The ideal candidate will also possess strong communication and problem-solving skills.

Requirements

• Minimum 3 years of experience working with C# and .NET (Core 9)
• Very good knowledge of Web API (REST) and designing controllers and services
• Familiarity with Clean Architecture (layered application architecture)
• Experience with Entity Framework Core and relational databases (e.g., SQL Server, PostgreSQL)
• Experience in asynchronous programming (async/await)
• Knowledge of Git version control system
• Ability to debug applications
• Writing unit tests
• English and Polish at minimum B2 level

Responsibilities

• Building a scalable, high-availability integration system
• Designing and developing RESTful APIs
• Collaborating with architects and other developers in a distributed team
• Maintaining clean, testable, and well-documented code
• Contributing to long-term platform stability and quality

Preferred Qualifications

• Knowledge of Snowflake, Redis, GraphQL, or Amplience CMS
• Experience with middleware, system integrations, and building API proxies
• Understanding of API versioning, caching, and contract-first development
• Knowledge of AWS (especially API Gateway, Secrets Manager, Beanstalk, WAF)
• Hands-on experience with CI/CD (Bitbucket Pipelines, GitHub Actions, or similar)
• Independence in problem-solving and focus on code quality
• Ability to read and understand existing architecture
• Strong communication skills – collaboration within a project team (developers + architect)
• Openness to code reviews and adherence to agreed coding conventions
• Willingness to grow and stay updated on .NET ecosystem developments