.Net Back End Jobs in Boston, MA

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.Net Developer

4 Consulting Inc

Remote or Texas City, Texas, USA

Full-time

Who we are! At 4Ci our mission is to build long term relationships, based on trust, integrity, and knowledge with all our employees and business affiliates. 4Ci has been in business for 20 years and has employees working on mission critical projects nationwide. We provide computer programming, testing, and system design services to develop and maintain multi-year, multi-million-dollar mission critical applications for the US Government. Examples of such applications are Medicaid MMIS systems, He

Senior Software Engineer

GNRSystems

Remote

Contract

We are seeking a highly experienced and self-motivated Senior Software Engineer for a remote W2 position. The ideal candidate will have a strong background in full-stack development, software architecture, and cloud technologies, with the ability to design and build scalable enterprise applications in a fast-paced Agile environment. Key Responsibilities:Design, develop, test, and deploy high-quality software solutions. Work across the full software stack: backend services, APIs, databases, and f

Sr. Software Engineer

First American Financial Corporation

Remote or Santa Rosa, California, USA

Full-time

Who We Are Join a team that puts its People First! As a member of First American's family of companies, First American Home Warranty offers a wide range of home warranty products and services to home sellers, buyers and agents. Since 1889, First American (NYSE: FAF) has held an unwavering belief in its people. They are passionate about what they do, and we are equally passionate about fostering an environment where all feel welcome, supported, and empowered to be innovative and reach their full

Full Stack \

ConsultNet, LLC

Remote or Birmingham, Alabama, USA

Full-time

Full Stack "Data " Engineer Remote (EST or CST) 8 month contract Pay Rate: $50.00 to $52.00 per hr. We're looking for a hands-on Full Stack "Data " Engineer with experience on Palantir to support a major migration from a legacy system to a modern enterprise data platform. This role is part of an ongoing transformation project that began in early 2025. You'll help accelerate development by contributing to backend services and high-performance data pipelines in a collaborative Agile environment.

Dotnet Developer

Randstad - Torc

Remote

Contract

We are looking for a highly skilled Full Stack .NET Developer for a full-time contract. This is a 100% remote role with flexibility to collaborate across Central Time (CT) hours. What You ll Do Design, develop, and optimize web applications using .NET (C#) for the backend and modern frontend technologies.Collaborate with product managers, designers, and other engineers to build scalable, efficient solutions.Implement best practices in software architecture, automated testing, and performance opt

Full Stack Software Engineer (Front-End)

LMI Government Consulting (Logistics Management In

Remote

Contract

Overview Remote (U.S. Based) | Some Travel Required LMI is a consultancy dedicated to improving the business of government, drawing from deep expertise in advanced analytics, digital services, logistics, and management advisory services. Established in 1961, LMI is a trusted third party to federal civilian, national security, and defense agencies, operating free of commercial and political bias. For nearly 60 years, LMI has worked with 40 government agencies. We believe government can make a d

Sr. C#/.NET Integration Engineer (Apache NiFi/FHIR API's)

ConsultNet, LLC

Remote or Dallas, Texas, USA

Full-time

Sr. C#/.NET Integration Engineer (Apache NiFi/FHIR API's) Remote (MST, Central or Eastern Time Zone) 6-12-month Contract or Contract to Hire Pay Rate: 75-80/hr A rapidly growing technology-driven organization focused on streamlining how sensitive records are managed, processed, and shared. They specialize in transforming manual, compliance-heavy workflows into secure, efficient digital solutions-helping clients improve access, accuracy, and overall operational performance across regulated env

Software Engineer, Infrastructure - Platform (Compute)

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Senior Service Engineer

Robert Half

Remote or Redmond, Washington, USA

Contract

Description We're supporting a high-impact managed services project with a well-known technology company based in the Redmond, WA area. This role will focus on backend lab and infrastructure support-ensuring smooth, secure, and automated systems for internal teams working in a fast-paced development environment. Responsibilities: Manage and maintain Azure IaaS environments, including virtual machine provisioning, storage solutions, networking, and policy management. Administer and optimize Wind

Staff Software Engineer, Infrastructure (Compute)

Coinbase

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Key .NET Engineer with Azure

EPAM Systems

Remote

Full-time

Are you a skilled .NET Engineer with a passion for building robust and scalable backend systems? Join us and take part in creating a central hub for one of the world's leading oil producers. This platform will provide real-time access and status updates on capital projects, catering to a diverse range of users, including executives, middle management, GPE and project stakeholders. If you're passionate about innovation, we invite you to apply and become part of the EPAM team! To discover more

Staff Software Development Engineer (Full Stack Java/Node)

CVS Health

Remote or Scottsdale, Arizona, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w

Senior Software Engineer - .NET

Guardian Life Insurance Company

Remote or Holmdel, New Jersey, USA

Full-time

We are actively seeking a proactive, creative Senior Software Engineer who will be responsible for architectural design and implementation of Guardian's next-generation web self-service platforms APIs using .Net Core, C#. You will: Design, develop, and deploy high-volume, high-usage self-service web portals APIs, utilizing .Net Core, C#.Collaborate with Technical Teams, Technical Manager, Project Manager and subject matter experts from businesses and work closely with SMEs to understand, plan a

Full Stack/Cloud Architect

GovCIO

Remote

Full-time

Overview GovCIO is hiring an experienced Full Stack/Cloud Architect to manage application processes and maintenance for complex conceptual data at the Department of Veterans Affairs. This role requires knowledge of SQL Server, Oracle, and database design to include software maintenance and system enhancements. This position is fully remote within the United States. Responsibilities Lead efforts for applications managing complex conceptual data in C#, .NET, and SQL Server environments. Develop

.Net Developer ( Senior Developer) - ONLY W2

Radus Tek Services

Remote

Contract

Senior .NET developer Webforms, .NET C#, Java Script/jQuery - To work on huge enterprise websites & many .NET backend systems - Very strong UI development experience is mustStrong Oracle PL/SQL development experience - Need very good experience with PL/SQL development as the engineer need to deal with hundreds of stored procedures and packages and candidate must be capable of writing high-quality performant PL/SQL codeMost of the engineers with these skills should be working on these technolog

(Remote) Senior Software Engineer

First American Financial Corporation

Remote or Santa Ana, California, USA

Full-time

Who We Are Join a team that puts its People First! Since 1889, First American (NYSE: FAF) has held an unwavering belief in its people. They are passionate about what they do, and we are equally passionate about fostering an environment where all feel welcome, supported, and empowered to be innovative and reach their full potential. Our inclusive, people-first culture has earned our company numerous accolades, including being named to the Fortune 100 Best Companies to Work For list for ten conse

Associate Software Engineer (SQL/Javascript/Python), Lab Information Systems

Quest Diagnostics Inc.

Remote or Secaucus, New Jersey, USA

Full-time

Overview Pay Range: $100,00.00 - $120,000.00 / year Salary offers are based on a wide range of factors including relevant skills, training, experience, education, and, where applicable, certifications obtained. Market and organizational factors are also considered. Successful candidates may be eligible to receive annual performance bonus compensation. Benefits Information: We are proud to offer best-in-class benefits and programs to support employees and their families in living healthy, hap

Full Stack Software Engineer

S&P Consultants

Remote or New York, New York, USA

Full-time

About the Role: Grade Level (for internal use): 09 In this role, you'll be at the core of our predictive marketing efforts, working closely with Product, Marketing, and cross-functional teams to develop powerful automation tools that fuel both our digital and print campaigns. You'll help architect a suite of applications that harness diverse data sources to deliver highly effective, data-driven marketing solutions for our dealership partners. Team Culture: You'll be part of a small, tight-kni

Senior Staff Software Engineer, CLIP

eBay Inc.

Remote

Full-time

At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We're committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the futur

(Remote) Principal Engineer

First American Financial Corporation

Remote or Santa Ana, California, USA

Full-time

Who We Are Join a team that puts its People First! Since 1889, First American (NYSE: FAF) has held an unwavering belief in its people. They are passionate about what they do, and we are equally passionate about fostering an environment where all feel welcome, supported, and empowered to be innovative and reach their full potential. Our inclusive, people-first culture has earned our company numerous accolades, including being named to the Fortune 100 Best Companies to Work For list for ten conse