We're looking for a skilled .NET Full Stack Engineer to join our team and help build scalable, enterprise-grade digital solutions. This role offers the opportunity to work on impactful projects that directly support our mission of delivering secure, seamless, and user-centric technology experiences.
About LangChain About LangChain: At LangChain, our mission is to make intelligent agents ubiquitous. We provide the agent engineering platform and open source frameworks developers need to ship reliable agents fast. Our open source frameworks, LangChain and LangGraph, see over 90+ million downloads
A technology firm in New York City is seeking a Senior Fullstack Engineer to build foundational product features driving user acquisition and growth. The role involves full-stack development using React, TypeScript, Python, and Go, and requires a strong product intuition and experience in monetizati
Why Great Gray? At Great Gray Group, we strive to set the bar for the retirement services industry. Our goal is to deliver advanced retirement solutions that combine our core fiduciary services with robust investment options, innovative technology, and dedicated client service. We focus on making ch
A technology-driven company in the plastics sector is seeking a Full-stack Software Engineer to develop innovative solutions integrating AI and plastics manufacturing. The role involves substantial front-end development with back-end integration, requiring strong skills in JavaScript, Python, and Po
A premier financial services firm is seeking a .NET Developer to join the Alternatives Systems team in Boston, MA. You will develop new features and extend business-critical applications. The role requires a Bachelor's degree in Computer Information Systems or equivalent work experience and 2-5 year
A leading IT solutions provider is seeking a Senior Software Engineer in Waltham, MA. This role requires a minimum of 5 years of experience in full stack development, with exceptional skills in both front end and back end technologies, including React, .Net Core, and SQL Server. The ideal candidate
Our team is passionate about solving big challenges in healthcare and transforming the field of pathology with artificial intelligence. PathAI's mission is to improve patient outcomes with AI-powered pathology. Our platform promises substantial improvements to the accuracy of diagnosis and the effic
Kingfisher Company Inc. (KCi) is looking for a Software Development Engineer with a strong background in .NET framework, C#, and mobile device software development to join our Lowell, MA R&D team. At Kingfisher, our employees are on the cutting edge of technological advancements within the emergency
Overview Client is seeking a highly experienced Sr. Principal C#/.NET Engineer to help develop and modernize the Crossfire security integration platform. This is a senior, hands-on role focused on building and optimizing backend services, improving architecture, deep debugging, and accelerating deli
Job Title: Sr. C#/.NET Engineer Location: Westford, MA Duration: 6+ Months Role Summary: Senior hands-on engineer supporting development and modernization of a large-scale security integration platform. Focus on architecture refinement, deep debugging, performance optimization, and delivery of missi
Overview Client is seeking a highly experienced Sr. Principal C#/.NET Engineer to help develop and modernize the Crossfire security integration platform. This is a senior, hands‑on role focused on building and optimizing backend services, improving architecture, deep debugging, and accelerating deli
We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our diverse teams of experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and
Our Internship Program Our Internship Program Our summer internship program lasts 10-12 weeks beginning in May/June and ending in August/September. We offer a fast-paced, flexible, fun environment where you will have the opportunity to work on meaningful projects and face new challenges every day. W
We are seeking a Senior .NET Full Stack Engineer to join our team and help build a secure, scalable, and compliant platform. You will work across the stack, contributing to both backend services and frontend components, ensuring seamless integration and high-quality delivery. Responsibilities Design
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
A healthcare technology company in Boston is seeking skilled software engineers to enhance their AI-driven pathology platform. The role involves collaborating with cross-functional teams to build and maintain software that improves patient outcomes. Candidates should possess a Bachelor's degree in C
A technology leader in emergency communications is seeking a Software Development Engineer to join their Lowell, MA team. This entry-level position focuses on developing applications for intelligent Fire Alarm Systems using .NET and C#. The ideal candidate will have a bachelor's degree in a related
Added Feb 26, 2026 Sr. Principal C#/.NET Engineer (45916) Westford, MA | Full-time Apply For additional information on how we handle your data, see www.LRS.com/privacy If you receive a suspicious offer or communication claiming to be from us, do not share any personal or financial information. You c
Why Great Gray? At Great Gray Group, we strive to set the bar for the retirement services industry. Our goal is to deliver advanced retirement solutions that combine our core fiduciary services with robust investment options, innovative technology, and dedicated client service. We focus on making ch