384 csharp jobs at 169 companies in Nashua, NH

3mo
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Software Engineer
Franklin, Massachusetts, United States
$90k-$130k/yr OnsiteFull Time
Hamilton Storage
Hamilton Storage: Automated sample storage and management for life science research.
5+ YOE5+ years product development with multithreading, OOD/OOP, experience with motion controllers, SQL knowledge preferred, OCR/vision a plus, strong verbal/written English communication.
C, C++, C#, Python, SQL, Windows
1mo
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Senior Cloud Operations Engineer
Portsmouth or United States
$115k-$160k/yr HybridFull Time
Loftware
Loftware: Provides enterprise labeling and artwork management software solutions.
8+ YOE8+ years in cloud operations/SRE/infrastructure engineering, strong AWS and/or Azure expertise, Linux and/or Windows server experience, proven production operations leadership, and strong English communication skills.
AWS, Azure, Linux, Windows, PostgreSQL, Microsoft SQL Server, Python, Java, Bash, .NET/C#, PowerShell, Terraform, Terragrunt, Ansible, Rundeck, Jenkins, Docker, Kubernetes, RDS, VPN, Direct Connect, Transit Gateways, Microservices, Serverless computing
1mo
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Automation Engineer, Officer
Burlington, Massachusetts, United States
$65k-$114k/yr HybridFull Time
State Street
State StreetNYSE: STT: Provides investment servicing and management to institutional investors.
2+ YOEBS in a technical field (MS preferred), 2+ years building enterprise test automation frameworks, strong Java/C# and scripting skills, experience with automation tools, CI/CD pipelines, Agile, and strong communication.
Microsoft Azure, Kafka, Snowflake, Java, C#, Microsoft PowerShell, Bash, Rest Assured, Playwright, Microsoft Azure SDK, Kafka SDK, Microsoft Cosmos DB, Swagger, Silk4Net, FlaUI, Talend, TeamCity, Jenkins, Docker, Kubernetes, Argo CD
2w
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.NET developer
Boston, Massachusetts, United States
OnsiteFull Time
Boston Globe Media
Boston Globe Media: Publishes and distributes independent news and journalism in New England.
5+ YOE5+ years building .NET/C# applications, proficiency with relational databases (MySQL, Postgres, SQL Server), REST API development, HTML/CSS/JavaScript, version control (Subversion/Git), bachelor's or equivalent experience.
.NET, C#, MySQL, Postgres, SQL Server, REST, HTML, CSS, JavaScript, Subversion, Git, React, Node.js, Piano ID
3w
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Senior Software Engineer
Boston, Massachusetts, United States
$120k-$150k/yr OnsiteFull Time
Berkshire Hathaway Specialty Insurance
Berkshire Hathaway Specialty InsuranceNYSE: BRK.A: Provides commercial property, casualty, and specialty insurance coverages globally.
5+ YOE5+ years software development experience; proficiency in C#, Angular, Azure, SQL Server, Cosmos DB, Redis, RESTful APIs, CI/CD; API and microservices design; strong communication and technical leadership; Bachelor's degree preferred.
GitHub Copilot, C#, Angular, SQL Server, Cosmos DB, Redis, RESTful APIs, CI/CD, Azure, Duck Creek Policy Administration System
2mo
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Software Engineering Manager (Boston)
Boston, Massachusetts, United States
$175k-$210k/yr OnsiteFull Time
Lutron Electronics
Lutron Electronics: Designs and manufactures lighting and shading control systems.
10+ YOE5+ MgmtBachelor’s degree in CS/CE/Software Data Science or Cybersecurity; 10+ years industry experience; 5+ years in technical leadership; proven ability to build and retain high-performing engineering teams.
Embedded Linux, C++, Go, Kotlin, Swift, C#, WPF, React, AWS, IoT
1mo
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Principal Software Developer – BloodTrack Tx (C++ expert)
Boston, Massachusetts, United States
$104k-$176k/yr OnsiteFull Time
Haemonetics
HaemoneticsNYSE: HAE: Manufactures medical devices for blood and plasma management.
10+ YOE10+ years software engineering experience with 5+ years in a principal/architect role; expert C++ and multi-platform experience (embedded, mobile, cloud); strong architecture, security/compliance, and mentorship skills.
C++, C, iOS, Android, .NET, TypeScript, JavaScript, C#, Java, Python, Reactjs, Nextjs, RESTful APIs, Microservices, Domain-driven design, CI/CD, Event-driven architecture, Service-oriented architecture, SQL, NOSQL, OWASP, OIDC, SAML2, SOC2, ISO27001, HIPAA, AWS ECS, AWS EKS, AWS RDS, AWS Lambda, AWS S3, AWS SQS, AWS CloudFormation, Terraform
2mo
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Factory Applications Engineer (Silicon Photonics; North Reading, MA) (North Reading, MA, US)
North Reading, Massachusetts, United States
$127k-$203k/yr OnsiteFull Time
Teradyne
TeradyneNASDAQ: TER: Designs and manufactures automated test equipment and advanced robotics systems.
4+ YOEBachelor's degree in EE with 4+ years or Master's with 2-3 years; strong Silicon Photonics, digital comms, signal processing, RF/testing knowledge; programming in .NET/C#/Python; strong communication and teamwork.
C#, VB, Python, .NET, General programming
1mo
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[EM] (Full Stack & Front End) Engineering Manager Ai - BKK
Bangkok or Melbourne or Tel Aviv or Kyiv or Moscow or New Delhi or Dubai or London or Manchester or Liverpool or Łódź or Wrocław or Poznań or Rio de Janeiro or San Francisco or San Jose or Los Angeles or Chicago or New York City or Boston or Seattle or Washington or Sydney or Minsk or Toronto or Vancouver or Beijing or Shanghai or Prague or Copenhagen or Berlin or Munich or Nice or Paris
HybridFull Time
Agoda
AgodaNASDAQ: BKNG: Digital travel platform for booking hotels, flights, and activities.
Proven people and technical leadership building large-scale web apps with React/TypeScript (or Angular/Vue); expertise with REST/GraphQL/WebSockets, performance, SSR, micro-frontends, CI/CD, testing, and mentoring engineers.
TypeScript, React, Redux, JavaScript, REST, GraphQL, WebSockets, C#, Kotlin, Scala, SSR, micro-frontends, CI/CD
1mo
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Senior Backend Engineer – AI Platform
Boston or San Francisco or Seattle or Dallas or Salt Lake City or Portland or United States
$122k-$146k/yr RemoteFull Time
WEX
WEXNYSE: WEX: Provides global payment processing and business information management services.
5+ YOEBachelor's in CS/Software Engineering, 5–8 years software engineering experience; expertise in backend Java/C# (SpringBoot), REST/gRPC, SQL; experience building scalable distributed systems and AI/LLM-driven services.
Java, C#, SpringBoot, REST, gRPC, ODATA, SQL, OpenAI APIs, LangChain, Python, Kafka, Docker, Kubernetes, Model Context Protocol (MCP), Pinecone, Weaviate, OpenSearch, Milvus
1mo
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Senior Software Developer (Hybrid or Remote)
Canton or Raleigh or Farmington or Boston
$101k-$143k/yr HybridFull Time
Intact Insurance Specialty Solutions
Intact Insurance Specialty SolutionsToronto Stock Exchange: IFC: Provides specialized property and casualty insurance and risk services.
6+ YOE6+ years software development experience; expertise in .NET Core/C#, ASP.NET MVC, Entity Framework, Angular or React, Microsoft Azure; strong SQL Server and CI/CD experience; Bachelor’s or Master’s in CS/Engineering.
.NET Core, C#, ASP.NET MVC, Entity Framework, Angular, React, Microsoft Azure, Microsoft Azure Functions, Microsoft App Services, Microsoft Azure Storage, Microsoft Azure DevOps, SQL Server, CI/CD
1mo
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Nuclear Survivability Scientist
Nashua or Niceville
HybridFull Time
Applied Research Associates
Applied Research Associates: Provides scientific research and engineering solutions for complex problems.
8+ YOEBachelor's in math/CS/EE/CE, active TS/SCI clearance, US citizenship, 8+ years experience, proficiency with C++, C#, Fortran, Python and M&S tools (LWPC, LMP, HiCIRF, PHaRLAP, VOACAP).
C++, C#, Fortran, Python, LWPC, LMP, HiCIRF, PHaRLAP, VOACAP
3w
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Director, Software Engineering
United States or Boston or Morristown or Phoenix or Atlanta or St. Louis or St. Petersburg or Oklahoma or Hyderabad
$169k-$214k/yr HybridFull Time
Zelis
Zelis: Providing healthcare payment and claims cost management solutions.
10+ YOE5+ Mgmt10+ years software engineering experience with 5+ years leading teams; bachelor's preferred; experience with Ruby on Rails, C#, Angular, JavaScript, AWS; cloud, legacy modernization, and performance optimization experience; must be U.S.-authorized.
Ruby on Rails, C#, Angular, JavaScript, AWS
2mo
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Director of Engineering
Boston or Boulder or Chicago or Remote - US or Richmond
$140k-$170k/yr HybridFull Time
Yes Energy
Yes Energy: Provides real-time electric power market data and trading analytics.
7+ YOE5+ Mgmt7+ years engineering experience; 5+ years in leadership; hands-on coding; track record across multiple teams; strong coaching; Kanban; DevOps/CI-CD a plus; energy trading or equities/commodities experience a plus.
React, REST API, Microsoft SQL Server, C#, Snowflake, AWS, Azure, Cloud, DevOps, CI/CD
2mo
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Lead Software Engineer
Boston, Massachusetts, United States
$90k-$180k/yr HybridFull Time
Wellington Management
Wellington Management: Investment management and research services for global institutional clients.
5+ YOE5-10 years in software engineering or quantitative development; strong Python and C#, cloud, SQL Server, APIs; data-intensive workflows.
Python, C#, Git, AWS, Azure, Microsoft SQL Server
3w
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Software Quality Assurance Engineer
Beverly, Massachusetts, United States
$99k-$149k/yr OnsiteFull Time
Axcelis Technologies
Axcelis TechnologiesNASDAQ: ACLS: Designs and manufactures ion implantation equipment for semiconductor manufacturing.
Experience testing software and hardware for electro-mechanical systems; Bachelor's in CS/Electrical/Mechanical or related; familiarity with high-voltage, vacuum systems, schematics, soldering, multimeter/oscilloscope; strong reporting and troubleshooting skills.
C, C++, C#, Unix, Multimeter, Oscilloscope
6d
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Senior Applied AI Engineer
San Diego or Marlborough
$100k-$130k/yr HybridFull Time
Hologic
HologicNASDAQ: HOLX: Develops medical technology for women's healthcare and diagnostics.
5+ YOEBachelor's or equivalent experience; 5+ years software/ML/solutions engineering with 2+ years building AI/ML/automation; strong programming (Python, JavaScript/TypeScript, C#); Azure and LLM/RAG experience; stakeholder communication.
Azure OpenAI, Claude, Microsoft Copilot, Python, JavaScript, TypeScript, C#, Power Automate, Logic Apps, Power Platform, LangGraph, Semantic Kernel, Model Context Protocol (MCP), Azure
1w
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Software Developer II
Worcester, Massachusetts, United States
OnsiteFull Time
Vencora
VencoraTSX: CSU: Acquires and operates vertical market software businesses for financial services.
3+ YOE3+ years professional development experience in JavaScript/Node.js, C#, or equivalent; SQL and cloud service experience; mentoring ability; bachelor’s degree or equivalent preferred.
JavaScript, Node.js, C#, SQL, Azure SQL, AWS DB, Azure Container Apps, Blob Storage, Azure AI, OpenAI, Auth0, Git, GitHub, CI/CD
1mo
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Associate Director, Product Engineering
Waltham, Massachusetts, United States
$174k-$310k/yr HybridFull Time
Wolters Kluwer
Wolters KluwerEuronext Amsterdam: WKL: Provides professional information and software solutions for specialized industries.
10+ YOE5+ MgmtBachelor's in CS or related, 10+ years software product engineering experience, 5+ years management, hands-on AI and SaaS knowledge, Microsoft stack (ASP.NET, C#, T-SQL, JavaScript), Azure/AWS, GitHub Copilot, reporting/analytics, UI frameworks, SSO and API integrations.
ASP.NET, C#, T-SQL, JavaScript, GitHub Copilot, FAB, SSRS, Microsoft PowerBI, Angular, Bootstrap, jQuery, SSO, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure Service Bus, SCRUM, Safe Agile, Microservice, AWS, Azure, MCP servers, Agentic AI, A2A orchestration, B2B Api
6d
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Research Fellow – Medical Informatics
Somerville, Massachusetts, United States
$70k-$72k/yr OnsiteFull Time
Mass General Brigham: Integrated healthcare system providing patient care and medical research.
PhD or MD/PharmD in informatics-related field, programming (Python/Java/C#/SQL/R), ML/NLP/LLM experience, biomedical terminologies, EHR data analysis, strong communication and research skills.
Python, Java, C#, SQL, R, Electronic Health Record (EHR), large language models (LLMs)