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20 jobs similar to Senior Software Engineer, .NET

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$105,000–$115,000/yr
US

Design, develop, test, document, implement, and maintain complex web applications and cloud services based on business requirements. Build and maintain cloud-based services, including application and web services, with a focus on scalability, reliability, and performance. Participate in code reviews, technical planning, and architecture/design discussions.

Blueprint Technologies is a technology solutions firm headquartered in Bellevue, Washington, with a strong presence across the United States.

US

  • Design, develop, and maintain scalable, multitenant SaaS applications using .NET 6+ and microservices-based distributed architectures.
  • Support, maintain, and modernize legacy .NET Framework 4.7.2 monolithic applications while planning and executing migration strategies.
  • Mentor and coach less senior engineers, fostering technical excellence and knowledge sharing across the team.

Founded in 2002, Raptor has partnered with more than 60,000 schools in 55 different countries, including 5,300+ K-12 US school districts.

$100,000–$140,000/yr

  • Debate, design, implement and deliver user stories on time, with high quality.
  • Write code to standards, implementing best practices.
  • Review code for testability, maintainability and adhering to best practices.

PerfectServe offers Best in KLAS assets in three categories: clinical communications, scheduling, and patient engagement solutions.

US

  • Build user interface and server-side components using approved frameworks producing quality code.
  • Participate in design and code reviews suggesting improvements and troubleshooting.
  • Collaborate at the architecture, design, and code levels to ensure standards-based, high-performance systems.

Jobgether is a platform connecting job seekers with companies. They use AI-powered matching to ensure applications are reviewed quickly and fairly.

$95,000–$115,000/yr
US

Seeking a Senior .NET Engineer to design, develop, and maintain complex web solutions, emphasizing secure, high-quality, and scalable software. This role involves hands-on development, technical leadership, and continuous improvement of systems and processes. The engineer will ensure compliance with security and accessibility standards in a remote, collaborative environment.

We are currently looking for a Senior .NET Engineer in Florida.

$157,250–$185,000/yr
US

  • Function as an application developer and data-forward thinker.
  • Responsible for configuring, coding, testing, debugging, and creating technical documentation.
  • Strong analytic capability and the ability to create innovative solutions.

Mercer Advisors helps families amplify and simplify their financial lives by integrating various financial services. They are a large firm serving over 31,300 families across more than 90 cities in the U.S., known for a diverse and flexible work environment.

$80,000–$120,000/yr
US

Design, develop, and maintain scalable web applications using ASP.NET Core (C#) and Angular (TypeScript). Implement RESTful APIs and integrate with front-end frameworks. Optimize database queries and ensure high performance using MS SQL Server.

Atwell, LLC is a bold leader in the consulting, engineering, and construction services industry, delivering a broad range of creative solutions to clients.

US Unlimited PTO

  • Lead the design and implementation of scalable, high-performance solutions.
  • Drive continuous improvement by identifying and implementing process enhancements.
  • Strengthen the team’s technical depth by mentoring Technical Consultants and promoting best practices.

Enable's platform helps companies increase profitability and simplify complex processes with AI-powered insights and simplified rebate management. After securing $291M in funding and acquiring Flintfox in 2025, Enable is positioned for significant growth and committed to reshaping the industry.

$95,000–$115,000/yr
US

  • Design, develop, and maintain complex web solutions, focusing on secure and scalable software.
  • Collaborate with a cross-functional team to translate requirements into robust applications.
  • Contribute to code quality, architecture, and system performance, ensuring compliance with security and accessibility standards.

This position is posted by Jobgether on behalf of a partner company. Jobgether uses an AI-powered matching process to ensure your application is reviewed quickly.

$120,000–$140,000/yr
US Unlimited PTO

  • Contribute to the design and implementation of partner-facing systems.
  • Design and build scalable, secure, and maintainable services.
  • Collaborate across teams to deliver cohesive partner experiences.

NMI enables partners with choice, and challenges the one-size-fits-all approach to payments.

$130,000–$160,000/yr
US Unlimited PTO

As a Senior Staff Software Engineer, you'll provide technical leadership and drive meaningful impact across systems and teams. You will help shape and deliver scalable, secure, and cohesive partner-facing platform capabilities. You will focus on improving partner onboarding, integration experiences, and the long-term health of the partner platform.

NMI enables our partners with choice, and challenges the one-size-fits-all approach to payments.

India

  • Lead a high-performing engineering team to deliver scalable software solutions.
  • Collaborate with product teams to define technical roadmaps and oversee the software development lifecycle.
  • Mentor team members, promote best practices, and drive adoption of modern architectures and CI/CD pipelines.

This position is posted by Jobgether on behalf of a partner company.

US 4w PTO 12w maternity 4w paternity

Be part of a high-performing engineering team dedicated to producing top-quality software solutions that enhance user experiences across a variety of platforms. Embrace innovative technologies and best practices, fostering a collaborative environment where challenges are addressed proactively. Mentor junior engineers while also supporting top-level decision-making in your projects.

This position is posted by Jobgether on behalf of a partner company and they use an AI-powered matching process to ensure your application is reviewed quickly.

Europe

Analyze existing solutions and create system designs, write clean code for web/server-side apps, and collaborate with product owners to understand business requirements. Provide input for project estimation, planning, and timelines. Analyze and refactor existing source code.

Erbis is a thriving tech powerhouse where innovation meets opportunity, specializing in building cutting-edge software solutions.

$120,000–$140,000/yr
US

  • Develop and maintain scalable web applications using .NET Core and Angular.
  • Build, deploy, and maintain RESTful APIs to support web and machine learning applications.
  • Collaborate cross-functionally with engineering, product, and business teams to translate requirements into scalable solutions.

Reliant Health Partners is an innovative medical claims repricing service provider, helping employers achieve maximum health plan savings. They tailor their services to each client’s needs, providing everything from individual specialty claims repricing, to full plan replacement.

US 4w PTO 12w maternity 4w paternity

  • Develop, write, and test code for software applications or systems.
  • Participate in code reviews and receive feedback to ensure quality software development.
  • Diagnose and fix software defects reported by users or uncovered during testing.

Rithum is the world’s most trusted commerce network, accelerating how brands, suppliers, and retailers work together to deliver seamless e-commerce experiences.

Europe

Responsible for backend development in .NET/C#, as well as web interfaces (Vue.js), co-designing the project architecture, and ensuring technical quality. Design, code, test and implement features with high business value. Proactive improvement of delivery processes, code quality and automation.

Software Mind builds cross-functional engineering teams that take ownership and crave more for companies around the globe.

US

  • Design, modernize, and scale backend and frontend systems for clinical diagnostic tests.
  • Own architecture, code quality, and delivery practices, partnering with cross-functional teams.
  • Deliver production-grade solutions for a first-in-class home sleep test experience for patients and clinicians.

Beacon Biosignals is revolutionizing precision medicine for the brain, offering an at-home EEG platform that supports the clinical development of novel therapeutics for neurological, psychiatric, and sleep disorders. They value curiosity, simplicity, composability, self-service, and empathy.

India 5w PTO

  • Become a go-to expert in one area of the codebase, understand the broad architecture of the entire system.
  • Regularly deliver software on-time and is constantly working to make accurate estimates and deliver on those estimates.
  • Take initiative to identify and solve important problems, coordinating with others on cross-cutting technical issues.

ShipBob is a leading global supply chain and fulfillment technology platform designed for SMB and Mid-Market ecommerce merchants. They provide access to best-in-class capabilities and deliver a delightful shopper experience. ShipBob is backed by leading investors and is one of the fastest-growing tech companies headquartered in Chicago.

US

Plays a pivotal role in designing, developing, and maintaining business-critical applications. Creates solutions that directly impact key operations. Combines problem-solving, hands-on development, and cross-functional teamwork.

Jobgether uses an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements.