Customer Integration Engineer / C# Developer

Join a customer‑focused engineering team in a hybrid Seattle setting. This hands‑on role leads customer integration initiatives from kickoff to go‑live, owning relationships and delivering robust C# and .NET solutions. The position offers a competitive annual compensation of USD 120,000 – 155,000, plus a benefits package that includes paid sick days and holidays, paid vacation, 401(k) with company matching, medical insurance, a flexible schedule, and the option to work from home with occasional visits to the Seattle office.

Responsibilities

• Serve as the primary technical contact for customer integration projects from kickoff through delivery.
• Lead scoping discussions to understand customer systems, surface constraints, and define realistic integration approaches.
• Develop prototypes, proof‑of‑concepts, and code samples to unblock customers quickly.
• Support and guide customers through on‑premise installations to Windows Server environments.
• Write clean, well‑documented C# code against our .NET LTS platform and SQL Server data layer.
• Collaborate with internal product and engineering teams on customer feedback and integration patterns.
• Coordinate with program and project managers to ensure customer expectations are met.
• Become the go‑to technical contact for low‑level support on customer and on‑premise projects.

Requirements

• 5+ years of professional C# development experience with solid .NET fundamentals.
• Comfortable owning the customer relationship on technical projects; effective communicator who can manage expectations.
• Practical experience with SQL Server including query optimization, schema design, and integrations.
• Familiarity with Docker and Linux‑based deployment environments.
• Experience supporting on‑premise software installations, ideally on Windows Server.
• Ability to translate fuzzy customer requirements into well‑scoped technical plans.

Technologies

• C#, .NET LTS
• SQL Server
• Docker (Linux arm64)
• Windows Server
• Next.js
• React

Benefits

• Paid sick days & holidays
• Paid vacation
• 401k with company matching
• Medical insurance
• Flexible schedule
• Work from home with occasional visits to the Seattle office

Security & Compliance

Sologic prioritizes protecting customer data and holds ISO 27001 and ISO 27017 certifications, along with SOC 2 Type 2 attestation. All team members undergo security training and a background check during onboarding, and everyone is expected to follow Sologic’s security and compliance processes and industry best practices.

Location

Seattle, WA 98104 (Required). Hybrid remote work in Seattle, WA 98104 with occasional in‑person visits to the office.