C# Developer jobs in Boston, MA

Westford, Massachusetts

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Today

Job Title: Senior C# Software Engineer (Windows Applications & Release Engineering) Role Overview We are seeking a highly skilled, hands-on Senior C# Developer to design, build, and maintain scalable, high-performance applications that power our critical business functions. In this role, you will lead the evolution of our application architecture while taking ownership of the full software release lifecycle-from core development and patching strategies to sophisticated installer packaging and d

Full-time

USD 106,100.00 - 114,400.00 per year

Jr - Mid level C# .Net Full Stack developer IOT

Remote

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6d ago

Jr - Mid level C# .Net Full Stack developer IOT Client is unable to sponsor visa at this time, so looking for USC. Required 26 years full-stack development shipping production software React / TypeScript + .NET C# or Python backend IoT protocol experience (MQTT, AMQP) or edge software integration Software packaging: installers, containers, or update agents AI tools in daily dev (Cursor, Copilot, Claude Code) CI/CD familiarity (GitHub Actions or equivalent) Nice to Have Medical device soft

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Contract

Depends on Experience

Jr. Software Developer C#

Remote

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3d ago

Software Developer About The Opportunity The Intersect Group is partnering with a respected organization in the consumer finance industry that is committed to delivering innovative technology solutions that improve business operations and customer experiences. The company values collaboration, continuous learning, and technical excellence while fostering an environment where employees can develop their skills and make a meaningful impact. This is an opportunity to join a stable, technology drive

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Contract

Depends on Experience

Full Stack Developer - TypeScript/Node/React - Java/C#

Boston, Massachusetts

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Today

Job Description A Boston education organization is seeking a Senior Full Stack Software Engineer to support a major application modernization initiative. This organization manages technology platforms that support education services and is investing in the transformation of critical systems to improve scalability, security, reliability, and user experience. The selected engineer will play a key role in modernizing legacy Java/Spring and .NET applications by rebuilding them using modern technol

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Full-time

$78 - $82

Senior Fullstack Developer (C#, AWS, Angular)

Remote or Hybrid in Cleveland, Ohio

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Today

Precision is seeking a Senior Full Stack Developer for a contract position supporting our Fortune 100 client. This fully remote role requires work during Eastern Time business hours and focuses on building and supporting software across the UI, backend, APIs, databases, and cloud. You will develop with C#/.NET and Angular while designing APIs and microservices. Strong AWS experience is essential, including DynamoDB, SQS, SNS, S3, Lambda, and Terraform. The role also includes technical documentat

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Contract

DOE

Senior Fullstack Developer (C#, AWS, Angular)

Remote or Hybrid in Cleveland, Ohio

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Today

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Contract

DOE

Full Stack Developer / C# .NET / Vue / Azure / Remote

Remote

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Today

A leading food services and facilities management organization is seeking a Full Stack Developer for a remote contract opportunity. This role will support application modernization initiatives and the migration of enterprise applications to Microsoft Azure, utilizing technologies including C#, .NET, Vue/Nuxt, SQL, and RESTful APIs to build and enhance business-critical solutions. What sets this opportunity apart is the chance to work on modernizing and rebuilding applications in a collaborative

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Contract

$45 - $75

Developer

Remote or Hybrid in Boston, Massachusetts

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7d ago

The U.S. District Court Clerk s Office is accepting applications for an experienced full-time Developer. The incumbent will join the Information Technology team supporting work for the U.S. District Court for the Districts of Montana and Massachusetts with a reporting structure in both districts. Representative Duties: The Developer Position duties include: Develops, tests, and maintains containerized applications. Designs, modifies, adapts and enhances existing software to improve performance,

Full-time

67,652 - 109,971

AI Platform Engineer

Remote

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3d ago

Platform Engineer Agentic AI & Developer Platforms We are seeking an experienced Platform Engineer to join a high impact engineering team focused on building next generation AI powered developer platforms. This role will play a critical part in designing, developing, and operationalizing internal AI agent platforms, MCP servers, automation frameworks, and developer tooling that enable engineering teams to build and deploy software more effectively. The ideal candidate brings hands on experience

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Contract

Depends on Experience

Must be in Boston // Full stack .NET Developer

Boston, Massachusetts

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Today

Hi there! This role is looking for a C#/.NET developer in the Boston Downtown Crossing area. It will require 3 days per week in the office. Thanks for applying! This opportunity is with a market-leading analytics and risk intelligence organization that develops sophisticated technology used to evaluate some of the world's most complex exposures. Leveraging vast amounts of data and advanced modeling capabilities, the organization helps clients better understand the financial impact of events rang

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Full-time

$120000 - $140000

Senior C# .NET Engineer // Boston

Boston, Massachusetts

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Today

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 env

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Full-time

$120000 - $140000

.Net Developer - in person interview

Remote

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3d ago

Role: .Net Developer Location: 100% remote Duration: Long term We are looking for an experienced .NET/C# Developer with strong web services, Windows-based application development, and SQL development skills. The ideal candidate should be comfortable troubleshooting complex issues and working independently. Key Skills/experience required:.NET/C# developer with Services experience (RESTFUL, WCF, etc.).NET frameworksWindows based development (WPF, WinForms)SQL developmentAbility to troubleshoot and

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Contract, Third Party

50 - 55

Senior C# .NET Software Engineer // Must be near downtown Boston

Boston, Massachusetts

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Today

Hi there, this position is only looking for someone who can commute 2x per week to Downtown Crossing in Boston. Thanks so much for applying! This opportunity is with a globally recognized provider of risk analytics, catastrophe modeling, and data-driven decision support solutions. The organization helps insurers, financial institutions, corporations, and governments quantify and manage risk associated with natural disasters, cyber threats, terrorism, pandemics, and other emerging exposures. As o

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Full-time

$120000 - $140000

Application Developer

Hybrid in Boston, Massachusetts

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6d ago

Summary We are seeking an experienced ApplicationDeveloper to join our technology team. A feature of this role is administration of Dynamics 365 CRM as a business tool and integration point. The role is primarily a software development position focusing on the Microsoft stack. The ideal candidate will have a solid foundation in Microsoft-based technologies and direct experiencewithadministrative and development work in Microsoft Dynamics 365CRM. The individual will work collaborativelywithbusin

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Full-time

110,000 - 135,000

Software Developer / Programmer 3

Remote

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19d ago

My name is Gaurav and I'm a Technical Recruiter at First Tek. We are currently sourcing candidates with the following skills. Kindly forward your resume if interested, do share with your friends and colleagues as well. Job Title: Software Developer / Programmer 3 Location: Remote Client: United States federal government agency Duration: 12 Month Contract Pay Rate: $78/hr on w2 Number of Days Onsite: 0 Remote Work Eligible - Must live in BPA's service territory of WA, OR, ID, MT. Official Duty S

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Full-time

Depends on Experience

Application Developer 1/2/3 (PCNs 87)

Remote or Anchorage, Alaska

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Today

Salary: $2,725.50 - $3,563.25 Biweekly Location : Anchorage, AK Job Type: Full Time Remote Employment: Flexible/Hybrid Job Number: 55689 Department: Fish & Game Division: Sport Fish Opening Date: 10/26/2026 Closing Date: 11/9/2026 5:00 PM Alaska Division: Sport Fish Position Open To: Alaska Residents Only Bargaining Unit: General Government Range: 18/20/22 Job Description This position is open to Alaska Residents only. Please check our residency definition to determine if you qualify. The Alask

Full-time

USD 2,725.50 - 3,563.25 per week

H1B CAP Hiring for 2027 for OPT / Stem OPT

Remote or Albany, New York

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Today

Greeting from i-link Solutions Inc! We are looking to hire IT professionals for H1B filing for 2026-27. If you are interested, please reply to me at the earliest. Only the candidate stayed in Albany, NY, USA can apply Candidates with a US Master's Degree and 4+ years of experience, or those outside Albany, NY who are currently on a project and convertible can apply. Kindly share me the following details to move to the next step, along with an updated resume, Visa copy, ID Proof, Degree Certifica

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Contract

Depends on Experience

Senior Software Engineer - C#/Angular/AWS

Boston, Massachusetts

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Today

Job Description A growing technology company is seeking a Full Stack Software Engineer to join its engineering team and help build scalable cloud-based applications and analytics platforms. This role is ideal for an engineer with strong experience across both frontend and backend development, particularly with C#/.NET, TypeScript/Angular, and AWS. The successful candidate will be responsible for building customer-facing applications, developing cloud-native services, and contributing to the arc

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Full-time

$130000 - $150000

Senior Full Stack Engineer - C#/ .NET/ Angular

Boston, Massachusetts

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Today

Job Description An insurance company is hiring a Senior full stack Software Engineer to help build and improve their data modeling platform. You'll work on applications and systems that power their cutting-edge analytics that help power and inform businesses and governments. In this role, you'll help design and build scalable, high-performance analytic solutions. They are looking for strong full stack development experience in C#/.NET, modern Angular, and AWS. Required Skills & Experience Stro

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Full-time

$120000 - $135000

L&I IT Application Development - Senior/Specialist

Remote or Tumwater, Washington

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Today

Salary : $99,300.00 - $133,608.00 Annually Location : Thurston County - Tumwater, WA Job Type: Full Time - Permanent Remote Employment: Remote Optional Job Number: 2026-08592 Department: Dept. of Labor & Industries Division: Information Technology Opening Date: 10/23/2026 Closing Date: 11/8/2026 11:59 PM Pacific Salary Information: The high end of the salary range, Step M is typically a longevity step Description Our Mission: Keep Washington Safe and Working!Our Values: Customer Focus, One L&I,

Full-time

USD 99,300.00 - 133,608.00 per year

C# Developer jobs in Boston, MA, USA