Jobs in the United States

25+ jobs

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Added 1 hour ago
C
Senior .NET Full Stack Engineer with C#
Cognizant
Trenton, NJ
- $86,000 to $99,000 USD / year
As a Senior .NET Full Stack Engineer with C#, you will make an impact by designing and developing scalable enterprise applications that support healthcare payer operations, including…
Added 1 hour ago
C
Senior Full Stack Engineer – .NET & C#
Cognizant
Trenton, NJ
- $86,000 to $99,000 USD / year
As a Senior Full Stack Engineer – .NET & C#, you will make an impact by designing and developing scalable enterprise applications that support healthcare payer operations, including…
Added 10 hours ago
UO
Senior Software Engineer (Limited-Term)
University of Colorado Denver
Boulder, CO
- $95,000 to $104,440 USD / year
…server-rendered PHP application that is largely procedural, with a front end built using JavaScript and jQuery UI, backed by a relational database following common MySQL patterns. This…
Added 12 hours ago
Software Engineer 3
Kiewit
Lenexa, KS
Experience with at least one modern web framework (React, Angular, Vue) and one backend language (Python or C#/.NET)
Added 19 hours ago
Senior .Net Software Engineer
Aristotle
Remote, United States
As a Senior .Net Software Engineer for PredictIt you will get to work on challenging and rewarding projects across the tech stack: from creating innovative web experiences to redesigning…
Added 1 day ago
Senior C#/.NET Engineer // Boston Hybrid
Kelly Services
Boston, MA
This role is looking for someone with strong full-stack development experience with C#/.NET. The position is hybrid, 2 days per week in downtown Boston. Thanks for applying!
Added 2 days ago
RH
Senior Software Engineer
RIVO Holdings, LLC
San Diego, CA
- $160,000 to $220,000 USD / year
As a Senior Software Engineer, you'll help advance a mission-critical fintech platform while partnering closely with Product, QA, DevOps, and Engineering teams to deliver scalable,…
Added 2 days ago
Senior Software Engineer
FlightSafety International Inc
Seattle, WA
Experience with Microsoft technology stack (C#, .NET), XML, JSON, NoSQL Databases
Added 2 days ago
C
.NET Full stack Engineer with C#
Cognizant
Richmond, VA
- $86,000 to $99,000 USD / year
As a Senior Software Engineer , you will make an impact by designing, developing, and modernizing enterprise healthcare payer applications that support critical business functions including…
Added 2 days ago
C
.NET Full stack Engineer with C#
Cognizant
Richmond, VA
- $86,000 to $99,000 USD / year
As a Senior Software Engineer , you will make an impact by designing, developing, and modernizing enterprise healthcare payer applications that support critical business functions including…
Added 2 days ago
C
.NET Full stack Engineer with C#
Cognizant
Richmond, VA
- $86,000 to $99,000 USD / year
As a Senior Software Engineer , you will make an impact by designing, developing, and modernizing enterprise healthcare payer applications that support critical business functions including…
Added 2 days ago
Senior Software Engineer
Motorola Solutions, Inc.
Plantation, FL
We are seeking a Senior Software Engineer dedicated to the development and quality assurance of our Windows-based client and server applications. This role requires expertise in the full…
Added 2 days ago
Senior Software Engineer
Bigbear.ai
UNAVAILABLE
5+ years professional software development with full-stack responsibility.
Added 2 days ago
Senior Software Engineer
Pearson
Remote, United States
You are a curious, hands-on senior engineer who can own meaningful product capabilities end-to-end. You are comfortable across the stack, preferably with .NET and React, though strong…
Added 2 days ago
Senior Product Software Engineer
Coppell, TX
Strong full-stack development expertise with C#, .NET/ASP.NET Core, Angular, TypeScript, REST APIs, relational and NoSQL databases, and Microsoft Azure.
Added 3 days ago
Software Developer
Koniag Government Services
Huntsville, AL
KGS is currently seeking an accomplished Senior Full Stack Software Engineer/Developer to spearhead the engineering, enhancement, and architectural modernization of core Line of Business…
Added 3 days ago
Senior Full Stack Software Engineer – .NET, FinTech & AI Development
Innovest Systems LLC
Fort Worth, TX
Job Title: Senior Full Stack Software Engineer – .NET, FinTech & AI Development
Added 3 days ago
FI
Software Engineer Intern
FlightSafety International Inc
Seattle, WA
- $38 to $45 USD / hour
Experience with at least one modern object-oriented language (e.g., C#, Java, C++, or Python). Development will be within the C# / .NET, Microsoft Azure Stack
Added 3 days ago
ZH
Senior Full Stack Developer
Zelis Healthcare, LLC
Morristown, NJ
- $15.92 USD / hour
We are seeking an experienced Senior Full Stack Cloud Developer / Software Engineer to design, develop, integrate, and support modern enterprise applications across Microsoft, Azure, AWS,…
Added 3 days ago
Senior Software Engineer
projects/helpful-passage-853/companies/9810ab3a-d8cd-4ba4-9ee5-ca421241fe3c
San Francisco, CA · Seattle, WA
…the process of doing business and simplify people’s lives. With intelligent agreement management, Docusign unleashes business-critical data that is trapped inside of documents. Until now,…
Added 3 days ago
Senior Software Engineer - Fullstack
Lyric
Jefferson City, MO
…modernization of our payment integrity platform: ripping out legacy .NET, rebuilding around clean APIs, fixing data bottlenecks, and getting the product ready for scale.on FullStack…
Added 3 days ago
Senior Software Engineer
Docusign
San Francisco, CA · Seattle, WA
Experience with Microsoft technology stack (C#, .NET), XML, JSON, NoSQL Databases
Added 3 days ago
Senior AI Polyglot Engineer
Mitsui Sumitomo Marine Management (USA), Inc.
Warren, NJ
We are seeking a Senior AI Polyglot Engineer to join a product domain team within our Commercial Property & Casualty (P&C) insurance business, supporting areas such as Underwriting, Claims,…
Added 3 days ago
Senior Software Developer
Fullsteam Personnel, LLC
Remote, United States
Collaborate with cross-functional teams to analyze requirements, design solutions, and develop robust software applications using .NET, C++, and C#.
Added 3 days ago
Software Test Engineer, Senior
Booz Allen Hamilton_United States
San Diego, CA
As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to…

Aristotle

Senior .Net Software Engineer

Remote, United States

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Job details

Education: Bachelor’s degree
Experience: A minimum of 5 years of experience designing and developing C# enterprise software
Posting language: English
Posted: Jul 29, 2026

Original job description

This position follows a hybrid work model, requiring once a week in-office attendance. Come work in a startup like environment (small team, big challenges, massive growth opportunity, relaxed office culture) with solid company stability (40+ years) and benefits including health, paid holidays, 401K, PTO, remote work friendly and great office views. Together with our 200+ university research partners, we have built PredictIt, into the “The Stock Market of Politics” where 100,000+ enthusiastic Traders make $1 winner-take-all political forecasts with stunning accuracy thanks to the wisdom of the crowd. Now we need your help taking it to the next level. As a Senior .Net Software Engineer for PredictIt you will get to work on challenging and rewarding projects across the tech stack: from creating innovative web experiences to redesigning the financial engine at the heart of millions of dollars of transactions. You’ll be part of small team and have opportunities to take on exciting challenges and responsibilities that make the job extremely fulfilling and rewarding. Job Responsibilities

Develop, maintain, and improve C#/ASP.NET backend systems
Work as a team to architect the next version of our C# trading engine utilizing your expertise to enhance performance and scalability.
Conduct architectural and technical reviews during the software development life cycle, providing valuable insights and recommendations for performance improvements.
Apply best practices, design patterns, and cutting-edge technologies of web development and mobile development to create innovative and high-performing software solutions that people love to use.
Collaborate with project teams and business owners to proactively analyze system performance, gather information on limitations, capabilities, performance requirements, and hardware/software interfaces.
Develop specifications and resolve technical issues related to performance.
Bachelor's degree in computer science or a related field required
A minimum of 5 years of experience designing and developing C# enterprise software
Strong proficiency in C# and ASP.NET
Knowledge of design patterns and SOLID principles
Understanding of modern programming practices: dependency injection, async/await, clean architecture, etc.
Experience working in distributed systems, pub/sub, message queues, etc.
Proficient with Entity Framework and SQL Server
RESTful API design and implementation.
Participate in code reviews, design discussions, and technical planning to improve the codebase and architecture.
Experience working with high-volume, highly scalable SaaS (Software as a Service) infrastructures.

Technology Stack:

C#, ASP.NET Web API, SignalR
Vuejs Frontend
Entity Framework, SQL Server, Redis
Azure, Azure DevOps

Pluses:

Experience developing financial systems
Experience with Apache Kafka or similar

All positions are Full-Time, with competitive compensation, medical benefits, paid vacation, 401k plan and stock options. Casual dress code and a non-corporate atmosphere make this a fun place to work and learn in a team environment.

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