208 senior software development engineer jobs at 58 companies in Somersworth, NH
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Senior Software Development Engineer
North Reading, Massachusetts, United States
$168k-$227k/yr OnsiteFull Time
5+ YOERequires a bachelor's degree in computer science, robotics, or related field; 5+ years software development; 4+ years design or architecture; robotics software experience; C++ or Python proficiency; and engineering leadership experience.
C++, Python, ROS, ROS2, Gazebo, Isaac Sim, MuJoCo, Linux
2w
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Senior Software Engineer
Andover or Somerville
$129k-$184k/yr OnsiteFull Time
8+ YOEBS/MS in software or electrical engineering, 8+ years of real-time embedded software development, C/C++ proficiency, and experience with regulated medical device software, testing, and development tools.
C, C++, Qt, UART, I2C, SPI, ADC, BT, USB OTG, ARM, PIC, QNX RTOS, GNU, Momentics, CMake, JTAG, Git, JIRA, Ubuntu, LabVIEW, CI/CD, Object-Oriented Design (OOD), Unified Modeling Language (UML), FDA, IEC 62304
1w
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Software Development Engineer
Lowell or United States
$91k-$131k/yr RemoteFull Time
5+ YOE5+ years in software, quality engineering, DevOps, platform engineering, or test automation; proficiency in a programming language; automation frameworks; CI/CD; cloud, containers, observability, and AI-assisted engineering experience.
TypeScript, JavaScript, Python, Java, C#, Playwright, Selenium WebDriver, Git, Azure DevOps, GitHub Actions, Jenkins, Docker, Kubernetes, Claude Code, Codex, Model Context Protocol (MCP), OpenTelemetry, Azure Monitor, Application Insights, Datadog, Grafana, Splunk
2mo
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Software Development Engineer 4
Portland or San Francisco or Washington or Boston
$141k-$173k/yr OnsiteFull Time
Staff/lead level engineer with deep experience architecting autonomous/agentic AI systems, cross-platform architecture, security-by-design, CI/CD, cloud reliability, and mentoring senior engineers.
Helm Charts, Argo Workflows, CI/CD, LLMs
2w
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Software Development/ Software Test Engineer
Boston or North Reading
$120k-$145k/yr OnsiteFull Time
Strong software engineering experience, Python and C/C++ proficiency, embedded Linux development, automated test frameworks, Docker, debugging, and cross-functional engineering collaboration.
Python, C, C++, Linux, Docker
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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
1w
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Senior Software Engineer
Merrimack, New Hampshire, United States
OnsiteFull Time
8+ YOEBachelor’s degree and 8+ years of software development experience, including 5+ years with .NET and Angular. Requires AI-assisted development, full-stack engineering, cloud, APIs, testing, and Agile experience.
.NET Core, C#, ASP.NET MVC, Web API, NHibernate, Oracle, Angular, HTML5, CSS3, TypeScript, OAuth, JWT, AWS, LLM, NLP, Git, xUnit, NUnit, Jasmine, Docker, Kubernetes, GitHub Copilot, Cursor, Claude Code
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
3mo
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Senior Software Engineer
Yarmouth, Maine, United States
$90k-$110k/yr OnsiteFull Time
Design and build scalable distributed systems; lead API and framework development; collaborate across teams; ensure security and reliability.
C#, .NET, RESTful APIs, Angular, Linux, Git, Docker, Terraform, CI/CD, LocalStack
3w
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Senior Software Engineer
Danvers, Massachusetts, United States
$178k-$188k/yr HybridFull Time
5+ YOEBachelor's in CS or EE,5+ years developing C/C++ and Qt/QML software in Windows/Linux/embedded, multi-threaded and networked systems, DICOM and medical device software experience.
C, C++, Qt, QML, Windows, Linux, DICOM, TCP, UDP
3w
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Senior Software Engineer
Portsmouth, New Hampshire, United States
OnsiteFull Time
10+ YOEBachelor’s degree in computer science or equivalent, 10+ years’ experience, production software development, modern object-oriented programming, medical device software, IEC 62304, design patterns, and object-oriented concepts.
IEC 62304
3d
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Principal Engineer-Software Development
Beverly, Massachusetts, United States
$75k-$232k/yr OnsiteFull Time
10+ YOERequires a BS or MS in engineering or science, 10+ years of relevant experience, database and large-dataset expertise, multidisciplinary teamwork, and data-mining and knowledge-discovery experience.
SQL Server, Python, R, JMP, Origin, Automated Test Equipment (ATE)
1mo
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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
1mo
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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
2mo
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Senior Software Development Engineer
Nashua, New Hampshire, United States
$95k-$162k/yr OnsiteFull Time
4+ YOEMust possess Secret clearance and be able to obtain Top Secret/SCI polygraph; 4+ years C/C++ design and embedded programming; experience with low-level firmware/hardware interfacing; familiar with Git, Jira, Bitbucket, Qt Creator, and Visual Studio.
C, C++, Git, Jira, Bitbucket, Qt Creator, Visual Studio, Eclipse, AMD/Xilinx SDK, Libero, SoftConsole, Linux, Windows, DevSecOps
1mo
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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
2w
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Senior Software Engineer
South Portland, Maine, United States
HybridFull Time
5+ YOERequires 5+ years of software engineering experience, full-stack Python and React expertise, production deployment experience, AI/LLM or machine learning experience, scalable systems knowledge, PostgreSQL, CI/CD, security, and U.S. work eligibility.
Python, React, FastAPI, LLM, PostgreSQL, Django, Flask, Azure, CI/CD
2d
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Senior AI Software Engineer
Etters or Yocumtown or Nashua
OnsiteFull Time
7+ YOEBachelor's degree or equivalent experience; 7+ years of software engineering experience; hands-on LLM or agentic application development; modern programming language, API, integration, testing, CI/CD, security, and technical leadership experience.
Python, C#, Java, SQL, PLM, ERP, MES, Microsoft SharePoint, CI/CD, LLM, RAG
2mo
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Senior Software Engineer for Embedded Development
Nashua, New Hampshire, United States
$97k-$165k/yr OnsiteFull Time
4+ YOEUS citizen with active or recent Secret clearance, Bachelor\u0002s in CS/CE (or equivalent) and ~4+ years experience, C++ and embedded/real-time development experience, software testing/verification and collaboration skills.
C++
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
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