Senior C# .NET Engineer — Hybrid in Boston for SaaS Risk

Motion Recruitment; Boston (MA); Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Competitive base salary

Comprehensive benefits

Job summary

Motion Recruitment is seeking a Senior Software Developer to help build and evolve a large-scale multi-tenant SaaS platform that delivers risk insights to customers globally. The role emphasizes strong full-stack expertise in C#/.NET, Angular, and cloud-native architecture within a highly scalable environment.

You will collaborate with cross-functional teams to architect new capabilities, improve platform scalability, and contribute to modernization of a mission-critical product used across risk

Qualifications

• Strong experience developing enterprise applications using C# and .NET Core.
• Hands-on expertise building modern front-end applications with Angular 14+ and TypeScript.
• Experience designing and supporting multi-tenant SaaS platforms at scale.
• Strong knowledge of cloud-native development using AWS or Azure.
• Experience working with PostgreSQL and designing efficient, scalable data solutions.
• Background building distributed systems, APIs, and highly available web applications.
• Understanding of application performance, scalability, security, and modern software architecture patterns.

Responsibilities

• Design and develop new full-stack features for a large-scale SaaS risk analytics platform - 35%.
• Build and enhance backend services, APIs, and cloud-native application components - 25%.
• Develop and maintain modern Angular user interfaces and customer-facing experiences - 20%.
• Improve platform scalability, reliability, and performance across multi-tenant environments - 10%.
• Participate in architecture discussions, code reviews, and technical design initiatives - 10%.

Skills

C# / .NET Core

Angular 14+

TypeScript

Multi-tenant SaaS

AWS

Azure

PostgreSQL

Distributed systems

REST APIs

Security best practices

Job description

Motion Recruitment is seeking a Senior Software Developer to help build and evolve a large-scale multi-tenant SaaS platform that delivers risk insights to customers globally. The role emphasizes strong full-stack expertise in C#/.NET, Angular, and cloud-native architecture within a highly scalable environment.

You will collaborate with cross-functional teams to architect new capabilities, improve platform scalability, and contribute to modernization of a mission-critical product used across risk