.NET Developer

GT was founded in 2019 by a former Apple, Nest, and Google executive. GT’s mission is to connect the world’s best talent with product careers offered by high-growth companies in the UK, USA, Canada, Germany, and the Netherlands.

On behalf of Falcon Fulfillment, GT is looking for a .NET Developer interested in joining an innovative US third-party warehouse and logistics (3PWL) company.

About Falcon Fulfillment

Falcon Fulfillment is a leading US full-service supply chain management company offering circulation of customer products and efficient distribution & management of their goods. Connected to over 32 different shopping carts including Amazon, Shopify, eBay, Jet, and Walmart, they provide import and export services, customs clearing, LTL shipments, inventory management, kitting services, printing services, and more.

About the Role

Falcon Fulfillment are seeking a Mid-Level .NET C# Developer with experience in Third-Party Logistics (3PL) systems and shipping carrier integrations.
The ideal candidate will have a strong background in C# development, API integration, and working with shipping carriers. This role involves developing, integrating, and maintaining applications that streamline shipping processes and improve logistics systems, leveraging modern .NET technologies.

You will be working on the integration hub, which is a set of services that support the Falcon Fulfillment logistics system from receiving orders from the marketplace to the warehouse management system, order tracking, and more.

We’re looking for someone who can quickly get up to speed and start contributing without needing long onboarding.
You’ll be working in a small, focused team, where each person plays a critical role and is expected to take initiative and ownership. The ideal candidate is proactive, communicates clearly, and is genuinely interested in improving both the product and how the team works. You’ll have autonomy in decision-making and the opportunity to shape technical solutions - while being supported by experienced teammates.

Responsibilities:

• Develop, test, and maintain .NET C# applications that integrate with third-party logistics (3PL) providers and shipping carriers (e.g., FedEx, UPS, DHL).

• Design and implement API integrations with 3PL systems and various shipping carriers to automate and optimize logistics operations.

• Collaborate with business analysts and product managers to understand logistics and shipping requirements and translate them into technical solutions.

• Write efficient, reusable, and reliable code to meet business needs and ensure the smooth flow of data between systems.

• Troubleshoot and debug integration issues between logistics systems, APIs, and shipping carriers.

• Participate in code reviews, providing feedback, and collaborating with team members to enhance code quality.

• Support Agile development processes, participating in sprint planning, stand-ups, and retrospectives.

• Ensure high levels of performance, security, and reliability for logistics systems.

Essential knowledge, skills & experience:

• 4-6 years of experience with C# and .NET development, with a focus on API integrations.

• C# & .NET Framework/ASP.NET: Experience developing web applications and APIs using .NET technologies.

• API Integration: Proven experience integrating with external APIs, particularly for shipping carriers (e.g., UPS, FedEx, USPS, DHL, etc.) and 3PL systems as a plus

  • Knowledge of RESTful APIs, SOAP, or other relevant protocols for integrating with logistics and shipping providers.

• Database Design & Development: Experience with relational databases (SQLServer, MySQL, etc)

• Object-Oriented Programming (OOP): Strong understanding of OOP principles and design patterns.

• Hands-on experience with Azure services (e.g., WebApps, Azure App Services, Azure Service Bus, Azure Functions, etc.).

• Version Control: Proficiency with Git or other version control systems.

• Proficiency in unit testing and debugging (e.g., using MSTest, xUnit).

• Experience with message queues to handle asynchronous communication between systems (e.g., Azure Service Bus, Redis, RabbitMQ).

• Upper-Intermediate English and fluent Ukrainian.

Nice-to-have

• Experience working directly with 3PL Warehouse Management systems, knowledge of their API protocols.

• Knowledge of EDI Workflows and integrations with SPS like systems.

• Experience with front-end technologies such as HTML, CSS, JavaScript (Blazor experience is a plus).

• Knowledge of DevOps practices and tools (e.g., CI/CD pipelines, Docker).

• A degree in Computer Science, Information Technology, or a related field, or equivalent work experience.

Soft Skills

The ideal candidate:

• Is proactive and takes ownership of their work.

• Thrives in small, independent teams.

• Communicates clearly and collaborates well through code reviews and team discussions.

• Learns quickly and adapts fast to new domains.

• Is curious and motivated to grow professionally.

Interview Steps

1. GT interview with Recruiter

2. Intro call with Falcon Fulfillment

3. Technical interview

4. Final interview

5. Offer

We go beyond usual perks… By working with us, you will get:

• Health insurance

• Mental health support

• Sport coverage

• Learning budget

• Paid vacation days

• Paid sick leaves

• All public holidays are paid days off

GT working model:

You will work directly with a client through our Extended Team model. We try to do things differently and put our efforts into integrating you as deeply as possible into the client’s team. You work with the same tools and technologies as they do and are managed directly by the client without any intermediary in between. We help you build relationships and create an environment where you genuinely feel like a member of the client’s team. We also encourage trips to a client and join teambuilding and after-work activities. Our Extended Team model is focused on long-term projects that last over several years.