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Motion Recruitment

Principal Engineer, C#/ .NET

Motion Recruitment, Boston, Massachusetts, us, 02298

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Senior Software Engineer We’re working with a growing SaaS company that is building workforce‑enablement tools used by large operational teams nationwide. They are hiring a Senior Software Engineer to help design and ship new platform capabilities using C#, .NET Core, SQL Server, and modern cloud technologies. This is a full‑time role offering strong engineering ownership and the chance to expand into architecture‑level work.

This is a great opportunity for someone who wants to take on meaningful technical challenges in a product‑first environment. You’ll help shape a scalable multi‑tenant platform, collaborate closely with product leadership, and work on new integrations that directly impact customer workflows. If you want a role where you can influence design decisions, build long‑term systems, and join a supportive and collaborative engineering culture, this is the place to do it.

Required Skills & Experience

8+ years of professional software engineering experience

Strong background in C# and .NET (Core or Framework)

Experience building and consuming RESTful APIs

Solid understanding of relational databases (SQL Server preferred)

Strong grounding in software engineering fundamentals (OOP, SOLID, design patterns)

Experience working in cloud environments (Azure or AWS)

Hands‑on experience with Git and CI/CD practices

Ability to work cross‑functionally with product and engineering teams

Desired Skills & Experience

Experience with message brokers like Kafka, RabbitMQ, or ActiveMQ

Exposure to NoSQL databases such as MongoDB or Elasticsearch

Familiarity with containerization (Docker) and/or Kubernetes

Experience working in a SaaS multi‑tenant environment

Knowledge of API security and versioning best practices

Strong problem‑solving and communication abilities

What You Will Be Doing (Tech Breakdown)

60% .NET backend

30% SQL & data modeling

10% Cloud & messaging technologies

Daily Responsibilities

80% Hands‑on engineering

10% Collaboration and design discussions

10% Supporting integrations and platform improvements

The Offer

Bonus eligible

Medical, Dental, and Vision Insurance

Vacation Time

Stock Options

Applicants must be currently authorized to work in the US on a full‑time basis now and in the future.

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