[NEW] Looking for a job in tech? Companies will find you — just fill in your profile
e. g. Python, Warsaw, Startup

.Net developer

zł 13817 — 14028
Gross / Month / B2B

We are looking for a .Net developer to strengthen our client's team. Full-time remote work style. 

Our client is developing a hacking and attack simulation platform to help organizations test their security posture.

Job Summary:

We are seeking a highly skilled and motivated outsource employee to join our Agent Core Team, with a primary focus on .NET Core development. The ideal candidate will possess a strong background in .NET Core, REST API development, MongoDB, multi-threading, multi-process, and third-party API integration. Additionally, they should have robust design capabilities, unit and integration testing experience, and knowledge of CI/CD processes. Familiarity with Mac, Linux, and Windows, along with cyber security, Kafka, Redis, Node.js, React, and Python, will be considered an advantage. The candidate should be a team player with strong problem-solving skills, customer orientation, and the ability to communicate fluently in English with customers.

Key Responsibilities:

  • Develop and maintain applications using .NET Core, ensuring high performance and scalability.
  • Design, implement, and maintain RESTful APIs.
  • Work with MongoDB for data storage and management.
  • Handle multi-threaded and multi-process programming to improve application performance.
  • Integrate third-party APIs into existing applications.
  • Collaborate with the team to design robust and scalable solutions.
  • Perform unit and integration testing to ensure code quality.
  • Utilize CI/CD processes to automate and streamline development workflows.
  • Operate efficiently across Mac, Linux, and Windows environments.
  • Monitor and maintain application performance, troubleshoot issues, and ensure system reliability.
  • Develop CLI tools and installers for various applications.
  • Implement and manage Kafka and Redis for data streaming and caching.
  • Work with Node.js and React for full-stack development as needed.
  • Leverage Python for scripting and automation tasks as required.
  • Ensure security best practices are followed throughout the development lifecycle.
  • Communicate effectively with customers to gather requirements and provide support.


  • Minimum of 5 years of experience in software development, with a primary focus on .NET Core.
  • Strong expertise in .NET Core, REST APIs, MongoDB, multi-threading, and multi-process.
  • Experience with third-party API integration.
  • Solid understanding of design principles and patterns.
  • Proficient in unit and integration testing.
  • Knowledge of CI/CD processes and tools.
  • Familiarity with Mac, Linux, and Windows operating systems.
  • Understanding of cyber security principles (advantageous).
  • Experience with Kafka and Redis.
  • Proficiency in Node.js and React (advantageous).
  • Knowledge of Python (advantageous).
  • Strong problem-solving skills and ability to think critically.
  • Excellent communication skills, with the ability to speak fluent English with customers.
  • Customer-oriented mindset with a focus on delivering high-quality solutions.
  • Ability to work effectively as part of a team and independently when required.

Salary — up to 3500$ gross
Social package: 

Stable long-term project 

Vacation is 20 working days / 4 working days per year for sick leaves 

Annual performance evaluations 

Flexible work schedule 

Communicating directly with the customer 

Working equipment provision

< 10
Fintech/Banking, E-commerce

This site uses cookies to offer you a better browsing experience.

Find out more on how we use cookies and how to change cookie preferences in our Cookies Policy.

Save Accept all cookies