200 senior software developer jobs at 53 companies in Strafford, NH
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Senior Software Engineer
Merrimack or Smithfield
OnsiteFull Time
Senior software engineer with RESTful APIs, JavaScript frameworks, databases, SDLC, CI/CD, mentoring, and strong OO design.
JavaScript, Angular, AngularJS, Backbone.js, React.js, CSS3
2mo
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SENIOR SOFTWARE ENGINEER
Methuen, Massachusetts, United States
OnsiteFull Time
8+ YOE8+ years of software development; OO design; C++ multi-thread; motion control; UI development a plus; agile; travel up to 5%; capable of independent and collaborative work.
C++, Multithreading, UI development, Motion control software, Kinematics and control algorithms, Agile
1mo
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Senior Software Engineer
Raleigh or Lowell
$119k-$196k/yr HybridFull Time
5+ YOE5+ years software engineering experience; Java or Rust; Linux development; PKI, cryptography, and security knowledge; experience with AI agents; strong English communication.
Java, Rust, Linux, Dogtag PKI, Python, Bash, Scrum, JIRA, OpenShift, AWS, Microsoft Azure, Fedora, RHEL, Kubernetes, CI/CD
3w
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Senior Staff Software Engineer
Austin or Nashua or Minneapolis
OnsiteFull Time
10+ YOEBachelor's or equivalent,10+ years software development,7+ years backend,distributed systems and SQL expertise,Java preferred,cloud-native and query engine/DSL experience.
NetScript, Java, Snowflake, BigQuery, Redshift, Databricks, SQL
3w
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Senior Software Engineer
Merrimack or Boston
$63-$103/hr OnsiteContract
5+ YOE5+ years software engineering experience, expert in Java and Spring Boot, experience with microservices, testing, CI/CD, AWS, Docker, messaging (SNS/SQS); BS in CS preferred.
Java, Spring Boot, JUnit, Git, Docker, ECS, SNS, SQS, Rest Assured, PlayWright, SQL, AWS
4w
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Senior Software Engineer
Plano or Boston or Portsmouth or Indianapolis or Columbus
$106k-$197k/yr HybridFull Time
5+ YOE5+ years software engineering experience; proficiency with Python or Java, React, Node.js, Spring Boot, AWS, RESTful services and RDS; strong algorithms, system design, and communication skills; bachelor's or master's in technical/business field or equivalent experience.
Python, Java, React, Node.js, Spring Boot, AWS, RESTful services, RDS
1mo
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Senior Software Engineer
Andover or Boston or New York or Chicago or Menlo Park or Manchester or London or Tokyo
$140k/yr OnsiteFull Time
6+ YOE6+ years building production applications; experience with JavaScript/Node.js and/or Python, PostgreSQL/MySQL, AWS, API integrations, full-stack development, modern/AI-assisted dev tools; authorized to work in the US.
Javascript, Node.js, Python, PostgreSQL, MySQL, AWS, AI-assisted development tools, NetSuite APIs, APIs
2mo
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Senior Associate Software Engineer - Portsmouth, NH
Portsmouth, New Hampshire, United States
OnsiteFull Time
1+ YOEBachelor’s degree in CS or Software Engineering; 1-2 years software development; proficient in C#, Python, or Java; DB design/optimization; Git; strong analytical and communication skills.
C#, Python, Java, Git, SQL
1w
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Senior Software Engineer II
Billerica, Massachusetts, United States
$93k-$166k/yr HybridFull Time
8+ YOE8+ years software engineering experience; bachelor’s degree or equivalent; strong technical design, coding, testing, CI/CD, and mentoring skills; ability to lead end-to-end features and collaborate cross-functionally.
CI/CD, AI, i-Ready
1w
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Software Engineer, Design Automation (Senior / Staff+)
Boston or Andover
$160k-$210k/yr OnsiteFull Time
5+ YOEBachelor's in CS/EE or equivalent,5+ years building production software,experience with Go/Python/C#,cloud-native architecture,containerized deployments,use of coding agents,and technical leadership delivering reliable code at scale.
Go, Python, C#, EC2, Lambda, Onshape, Open CASCADE, build123d, CadQuery, Solidworks, Autodesk Fusion/Inventor, FeatureScript, HDL, G-code
3mo
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Senior Principal Program Protection Engineer (Embedded Software Engineer)
Tewksbury, Massachusetts, United States
$132k-$252k/yr OnsiteFull Time
10+ YOESenior embedded software engineer with DoD clearance; bachelor's in CS/CE/EE; 10 years; Agile/DevSecOps; Linux, C/C++, RTOS; security clearance.
C, C++, Linux, RTOS, Git, Subversion, CMake, Google Test
6d
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Staff Software Engineer
Lexington or Lowell or Freising or Switzerland or Singapore
$129k-$173k/yr HybridFull Time
8+ YOEBachelor's degree in computer science, software or computer engineering; 8+ years' software development experience; full-stack, C#/.NET, Angular, TypeScript, SQL, cloud, CI/CD, Agile, and technical leadership experience.
C#, .NET Core, .NET, Angular, TypeScript, SQL Server, Entity Framework, OAuth, OpenID Connect, JWT, Identity, xUnit, NUnit, Docker, Git, Azure, Microsoft, Linux
2mo
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Senior Test Solutions Software Engineer
Bedford, New Hampshire, United States
OnsiteFull Time
10+ YOE10+ years in calibration and test of electro-optical systems; LabVIEW-based work with hardware interfaces; MIL-STD-810G; SVN/Git; strong communication; U.S. citizenship.
LabVIEW, MatLab, Solidworks, VAS modeling tools, Telemetry/test equipment, Serial (RS232/422/485), USB, IEEE-488, Ethernet TCP/IP
1mo
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Senior Staff Software Engineer Staff/Avionics
North Andover, Massachusetts, United States
$134k-$267k/yr OnsiteFull Time
Bachelor's degree in Computer Science or related field (or equivalent experience), C++ or Python development experience, ability to obtain and maintain DoD Secret clearance (US citizen required), strong problem solving and communication skills.
C++, Python
2w
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Principal Software Engineer/Developer
Merrimack, New Hampshire, United States
OnsiteFull Time
3+ YOEDesign, develop, test, and maintain enterprise Java/Spring Boot applications and APIs; experience with cloud, CI/CD, observability, and mentoring; Bachelor's or Master's in related field with relevant experience.
Java, Spring Boot, Angular, Node JS, JIRA, SQL, NoSQL, Snowflake, CloudFormation, Jenkins, Shell Scripting, Datadog, Splunk, Git, uDeploy, Sonar, RESTful web services
3mo
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Staff Software Engineer (Agentic AI)
Lowell, Massachusetts, United States
$130k-$186k/yr HybridFull Time
7+ YOEBachelor's degree, 7+ years software development (2+ years building agentic/LLM systems). Experience with agentic frameworks, Python/Java/C#/JavaScript/TypeScript, cloud platforms, GitHub, APIs, and agent architecture.
Google ADK, Anthropic Claude SDK, LangChain, LangGraph, AutoGen, Crew AI, Vertex AI, Azure OpenAI, Bedrock, GitHub, Model Context Protocol (MCP), REST APIs, function calling, Python, Java, C#, JavaScript, TypeScript
6d
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Senior Software Engineer - Space Applications - Sign-on Bonus
Merrimack, New Hampshire, United States
$97k-$165k/yr OnsiteFull Time
4+ YOEBachelor's degree in computer science or related field, 4+ years of software development, Java or C++, active TS/SCI clearance, CI polygraph, Security+ certification, and source control experience.
Java, Linux, Git, Bitbucket, Jenkins, Maven, Bamboo, Jira, Confluence, C++
1mo
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Software Quality Assurance Engineer
Manchester, New Hampshire, United States
OnsiteFull Time
5+ YOE5+ years software quality or development experience with ≥2 years in FDA-regulated environments; Bachelor in CS/Software Engineering; knowledge of IEC 62304, ISO 14971, FDA cybersecurity; automation-first testing skills.
Go, Java, Python, Terraform, Ansible, Playwright, pytest
15h
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Senior Principal Software Engineer – Production Support
Nashua, New Hampshire, United States
OnsiteFull Time
6+ YOEBachelor's degree in computer science, computer engineering, or related field; 6+ years of professional experience; C/C++; NI TestStand; ability to obtain and maintain Secret clearance; U.S. citizenship required.
C, C++, NI TestStand
1mo
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PCIe Senior/Lead Software Engineer
Nashua, New Hampshire, United States
OnsiteFull Time
8+ YOE8+ years professional experience with strong C/C++ skills, PCIe hardware and driver knowledge, low-level firmware debugging experience; Python and Linux proficiency preferred.
C, C++, Python, Linux
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