Senior C# .NET Engineer / Boston

Motion Recruitment; Boston (MA); Hybrid; USD 120,000 - 170,000; Full time

Benefits offered by this job

Competitive base salary

Medical/Dental/Vision

401(k) with match

Generous PTO & holidays

Job summary

Motion Recruitment in Boston is seeking a Senior Software Engineer with proven C#/.NET experience to join a global software provider modernizing postal and logistics platforms.

You will help design robust APIs, backend services, and scalable enterprise applications, owning features from design through deployment and maintenance. This hybrid role requires commuting to downtown Boston twice weekly and offers growth within a fast-growing environment.

Qualifications

• 5+ years of professional software engineering experience.
• Recent professional experience with C#/.Net on resume.
• Experience designing and building scalable enterprise applications.
• Strong understanding of object-oriented design, software architecture, and design patterns.
• Experience developing APIs, backend services, and distributed systems.
• Ability to work across the full software development lifecycle, from design through deployment.

Responsibilities

• Own features through the full development lifecycle.
• Contribute to core architecture behind postal systems and workflows.
• Build scalable, reliable backend services and APIs for high-volume transactions.

Skills

C#/.NET

Enterprise apps design

OO design & patterns

APIs & backend services

Full lifecycle development

Distributed systems

Job description

Just to put it up-front: this role requires someone who can easily commute to downtown Boston 2 times per week. Thanks for applying!

A global software provider that supports postal operators and logistics organizations around the world is looking to add a Senior Software Engineer to a highly visible product team. The organization delivers technology that modernizes retail counters, delivery operations, package tracking, and sorting services through a unified platform used in mission-critical environments. One of its largest initiatives is a major modernization effort supporting a national postal network, focused on building a Product Journey Engine that powers complex customer transactions through configurable, auditable workflows.

This is an opportunity to work on large-scale systems where reliability, performance, and maintainability are critical. The team is seeking engineers with strong experience in C#/.NET who enjoy designing robust software, solving challenging technical problems, and owning features throughout the development lifecycle. You'll play a key role in building the core architecture behind next-generation postal systems while contributing to products that process high volumes of transactions and support essential public services.

Required Skills & Experience

• 5+ years of professional software engineering experience
• Recent professional experience on your resume in C#/.Net
• Experience designing and building scalable enterprise applications
• Strong understanding of object-oriented design, software architecture, and design patterns
• Experience developing APIs, backend services, and distributed systems
• Ability to work across the full software development lifecycle, from design through deployment

The Offer

• Competitive base salary
• Comprehensive medical, dental, and vision coverage
• 401(k) with company contribution/match
• Generous PTO and company holidays

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