351 sr software engineer jobs at 118 companies in Athol, MA
2w
Save
Mark Applied
Hide
Sr Principal Software Engineer
Nashua or Austin
$133k-$226k/yr OnsiteFull Time
8+ YOESecret clearance (recent or obtainable), strong C++, embedded/software development, OOP, testing/verification, familiarity with containers and DevSecOps, typically 8+ years experience.
C++, containers, DevSecOps
3mo
Save
Mark Applied
Hide
Sr. Software Engineer - Signals & Algorithm Interfaces (Python/C++)
Newton or Mounds View
$125k-$187k/yr OnsiteFull Time
4+ YOESenior software engineer with Python/C++ experience, real-time data pipelines, and production software delivery.
Python, C++, Docker, Linux, CI/CD, Testing
3mo
Save
Mark Applied
Hide
Sr. Software Engineer - Signals & Algorithm Interfaces (Python/C++)
Newton or Mounds View
$125k-$187k/yr OnsiteFull Time
4+ YOESenior software engineer with strong Python/C++ skills, real-time data pipelines, and production software delivery experience.
Python, C++, Linux, Docker, CI/CD, Distributed systems, Networking, Debugging
1mo
Save
Mark Applied
Hide
Software Engineer
Cambridge or Concord
$110k-$120k/yr HybridFull Time
5+ YOE5+ years software engineering experience, strong Java skills, API and SQL/MySQL experience, ability to design and deliver backend systems, cross-functional collaboration, mentoring, and CS degree or equivalent.
Java, RESTful APIs, SQL, MySQL, JavaScript, React, HTML, CSS
1mo
Save
Mark Applied
Hide
Sr. Staff Software Engineer
Lowell, Massachusetts, United States
$146k-$209k/yr HybridFull Time
10+ YOE10+ years building enterprise Java-based web applications, expertise with cloud-native architectures, AI/LLM integrations, microservices, REST APIs, and strong testing and CI/CD practices.
Java, J2EE, Spring Boot, Spring Framework, Hibernate/JPA, React, JavaScript, HTML5, CSS3, REST APIs, Microservices, SQL, GitHub Copilot, ChatGPT, Cursor, Claude, LangGraph, OpenAI Agents SDK, CrewAI, AutoGen, OpenAI, Anthropic, Google Gemini, Model Context Protocol (MCP), AWS, Microsoft Azure, Google Cloud Platform, Kubernetes, Docker, OpenShift, Terraform, CloudFormation, ARM Templates, GitHub Actions, Jenkins, Azure DevOps, GitLab CI, Datadog, Grafana, Prometheus, Splunk, OpenTelemetry, Bash, Python, PowerShell
2w
Save
Mark Applied
Hide
Advanced Software Engineer
Acton, Massachusetts, United States
$139k-$174k/yr HybridFull Time
5+ YOEBS in CS/Mechanical/Electrical, 5+ years software experience, familiarity with National Instruments, LabVIEW, Visual Basic, SQL, manufacturing engineering and system integration.
National Instruments, LabVIEW, Visual Basic, SQL
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Software Engineer 3
Westford, Massachusetts, United States
$121k-$229k/yr HybridFull Time
5+ YOEBachelor's degree in CS or related, 5+ years software engineering or testing experience, strong TCP/IP networking knowledge, test automation experience, scripting with Python/Perl/Robot Framework, Linux familiarity, strong communication and troubleshooting skills.
Python, Perl, Robot Framework, Linux
1mo
Save
Mark Applied
Hide
Software Engineer 3
Westford, Massachusetts, United States
$121k-$229k/yr HybridFull Time
5+ YOEBachelor's or Master's in CS/CE/IS or related; 5+ years software engineering/testing/networking; strong TCP/IP knowledge; experience building/maintaining automated test frameworks; programming with Python, Perl, Robot Framework; familiarity with Linux and CI/CD.
Python, Perl, Robot Framework, Linux, CI/CD
2w
Save
Mark Applied
Hide
Software Engineer
Londonderry, New Hampshire, United States
OnsiteFull Time
10+ YOEDegree in CS or related field, 10+ years software development, strong modern C++ and C# skills, Python scripting, Linux/Windows development, Git and Docker experience, strong troubleshooting and communication skills.
C++, C#, Python, Docker, Git, OpenCV, SQL, Linux, Ubuntu, Windows
1mo
Save
Mark Applied
Hide
Software Engineer 3
Westford, Massachusetts, United States
$121k-$229k/yr HybridFull Time
5+ YOEBachelor's or Master's in CS/CE/IS or related field; 5+ years software engineering/testing experience; strong TCP/IP knowledge; experience with automated test frameworks and scripting (Python, Perl, Robot Framework); Linux, CI/CD familiarity; strong troubleshooting and communication skills.
Python, Perl, Robot Framework, Linux, CI/CD
1w
Save
Mark Applied
Hide
Senior Software Engineer II
Billerica, Massachusetts, United States
$93k-$166k/yr HybridFull Time
8+ YOEBachelor's in CS or related and typically 8+ years software engineering; designing architectures, delivering production features, mentoring, and collaborating across teams.
2w
Save
Mark Applied
Hide
Principal Software Engineer, Onsite
Marlborough, Massachusetts, United States
$108k-$205k/yr OnsiteFull Time
8+ YOE8+ years software engineering experience in lifecycle, architecture, embedded/RTOS, C++, Linux/VxWorks, security clearance and US citizenship required.
C++, Linux, VxWorks, UML, SysML, DevOps, Jenkins, Python, CORBA, Versal
2mo
Save
Mark Applied
Hide
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
5d
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Project Software Engineer / Project Software Developer
Chelmsford, Massachusetts, United States
$95k-$120k/yr FieldFull Time
5+ YOEU.S. citizen with Secret clearance (or ability to obtain), 5+ years software development, strong C++ proficiency, experience transforming research code to production, AI/ML experience, familiarity with secure coding, Git/Subversion, and technical writing.
C++, Python, MATLAB, Java, Git, Subversion
2mo
Save
Mark Applied
Hide
Principal Software Engineer
Bethesda or Waltham
$164k-$257k/yr HybridFull Time
8+ YOE8+ years software engineering; production-grade APIs; GraphQL; Node.js; TypeScript; Go; OAuth2/JWT; security; scalable SaaS APIs.
GraphQL, Node.js, TypeScript, Go, Jenkins, ArgoCD, Datadog, OAuth 2.0, JWT
2w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Senior Software Engineer
Marlborough, Massachusetts, United States
$140k-$170k/yr OnsiteFull Time
5+ YOEDegree or equivalent experience, 5+ years in motion/device control software, professional experience with C#, Microsoft WPF, C/C++, production software development, hardware integration; Azure DevOps, TFS, and SQL Server are helpful.
C#, Microsoft WPF, C, C++, Azure DevOps, Team Foundation Server, SQL Server
Explore Jobs