2mo
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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, DPU - Networking
Westford, Massachusetts, United States
$184k-$357k/yr OnsiteFull Time
6+ YOE6+ years Linux/embedded systems; Linux bootloader/firmware; develop/maintain Linux distributions; strong problem solving.
Linux, UEFI, ATF
2mo
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Senior Software Quality Engineer
Westford, Massachusetts, United States
$87k-$165k/yr OnsiteFull Time
5+ YOESTEM degree with 5+ years experience or advanced degree with 3+ years; software integration/test in Agile; ability to obtain/maintain US security clearance.
Java, C++, Python, Docker, Git, Jira, Bitbucket, Confluence, Crucible, Coverity, Linux, Windows
1w
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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
2w
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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
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
1mo
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Senior Software Engineer/Developer
Merrimack, New Hampshire, United States
OnsiteFull Time
1+ YOEBachelor's in CS/IT/Engineering + 3 years, or Master's + 1 year; experience developing test automation frameworks using Java, Selenium, Cucumber, TestNG, Maven; SQL/DB2/Oracle data validation; CI/CD with Jenkins, Git/GitHub; cloud experience (Azure/AWS).
Java, SQL, DB2, Oracle, Maven, Git, GitHub, Jenkins, Sonar, Jira, Xray, Azure, AWS, Selenium WebDriver, Cucumber, TestNG, Python, Splunk, Snowflake, ICEDQ, GitHub Copilot
1mo
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Senior Control Software Engineer
Devens, Massachusetts, United States
$140k-$200k/yr HybridFull Time
Bachelor's in a relevant engineering field required; several years experience with industrial or embedded control systems and production-quality control software; proficiency with Python and a real-time control language (C++, SCL/ST, Rust); CI/CD and git experience; ability to lift 50 lbs and work nights/weekends/on-call occasionally.
PLCs, real-time Linux, Python, C++, SCL/ST, Rust, Beckhoff TwinCat, Linux, EtherCat, Profinet, Modbus, IP/UDP, CI/CD, git, unit testing, integration testing
1w
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Software Developer
Concord, New Hampshire, United States
$55-$60/hr OnsiteFull Time
5+ YOE5+ years IBM i/AS400 COBOL development and support, strong CL/DDS/DB2(SQL), experience with ACS and Navigator for i, batch/job scheduling, BRMS, PC5250, ability to work non-business hours.
COBOL, CL, DDS, DB2 for i (SQL), Access Client Solutions (ACS), Navigator for i, PC5250, BRMS, Hyland's OnBase WorkView
3w
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Senior Software Engineer - Cloud Services
Lebanon, New Hampshire, United States
$140k-$160k/yr OnsiteFull Time
Simbex: Develops medical devices and wearable sports technology solutions.
6+ YOE6+ years backend/cloud experience; strong Node.js/TypeScript and Python; AWS Lambda/API Gateway/RDS/S3/SQS/SNS; PostgreSQL; REST API design; CI/CD; bachelor's in CS or equivalent experience.
Node.js, TypeScript, Python, AWS Lambda, API Gateway, RDS, S3, SQS, SNS, PostgreSQL, GitHub Actions, Jenkins, MQTT, AMQP, AWS IoT Core, Docker, ECS, Kubernetes, Terraform, AWS CDK, CloudFormation, Kafka, Kinesis, OpenTelemetry, Datadog, Grafana, CloudWatch, Pact
1w
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Software Engineer 3 (Routing Protocols)
Westford or Sunnyvale
$121k-$229k/yr HybridFull Time
10+ YOE10+ years developing networking or systems software; expert C/C++; deep knowledge of Layer 2/3 routing protocols (BGP, OSPF, ISIS); data center networking experience; scripting/automation with Python, Go, or Rust.
C, C++, Python, Go, Rust, BGP, OSPF, ISIS, EVPN-VXLAN, MPLS, TCP/IP
3w
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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
3w
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Linux Kernel Senior/Lead Software Engineer
Nashua, New Hampshire, United States
OnsiteFull Time
3+ YOEExpert C programming and Linux kernel experience; familiarity with C++, Python, x86/ARM architectures, IP networking, and strong software design, troubleshooting, and communication skills. BS/MS/PhD plus relevant years of experience or equivalent.
C, C++, Python, Linux Kernel, EOS, x86, ARM
2w
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Senior Software Engineer Applied AI
Concord or United States
RemoteFull Time
7+ YOE7+ years building production backend systems, strong Python skills, distributed/cloud experience (AWS), hands-on LLM/generative AI and end-to-end ML lifecycle experience, disciplined in regulated environments, US work authorization required.
Python, AWS, LLM, LinkedIn, AI coding assistants
2mo
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Senior Principal Software Engineer
Hudson or New Hampshire or Austin or San Diego or Texas or California or United States
$133k-$226k/yr OnsiteFull Time
8+ YOEActive DoD Secret clearance and U.S. citizenship, Bachelor’s in CS/CE (or related) with 8+ years experience, embedded/application C++ development, Linux, software engineering processes, testing, and technical leadership.
C++, Linux, Git, Jira, Confluence, ClearCase, Bitbucket, Continuous Integration Tools
2mo
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Senior Software Architect - Integration (Bedford, MA)
Bedford, Massachusetts, United States
$157k-$249k/yr OnsiteFull Time
8+ YOE8+ years in software architecture/engineering for complex systems; medical device software experience preferred; BS in Computer Science/Engineering; strong leadership and communication; capable in regulated environments.
1w
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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
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Software Engineer III - RIS Test
Westford, Massachusetts, United States
$121k-$229k/yr OnsiteFull Time
5+ YOE5–8 years product/system testing (BRAS/EVPN), strong networking protocol knowledge (OSI, TCP/IP), hands-on PPP/PPPoE/DHCP/RADIUS, automation with Python and Robot Framework, test tools Ixia/Spirent, BE/ME/MCA in CS/ECE or related.
Python, Robot Framework, Ixia, Spirent, GenAI
2mo
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Application Developer, Senior
Washington or Orlando or Fort Meade or Minneapolis or Huntsville or Dayton or San Diego or Fort Sheridan or Devens or Norfolk or Millington or Phoenix or Fort Worth or Peterson AFB or Buckley AFB or Belle Chasse or Fort Leavenworth or MacDill AFB or San Antonio or Tampa or Quantico or Lackland AFB or Yorktown or Offutt AFB or Rome or Reston or Camp Parks
$87k-$198k/yr HybridFull Time
6+ YOE6+ years in application or software development; Node.js with Typescript, SQL/PostgreSQL, Redis, Elasticsearch; cross-functional collaboration; automated testing; TS/SCI with polygraph; Bachelor’s degree.
Node.js, Typescript, SQL, PostgreSQL, Redis, Elasticsearch
2mo
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Senior CRM Developer
Williamstown, Massachusetts, United States
$92k-$102k/yr HybridFull Time
4+ YOEBachelor’s degree or equivalent; 4+ years in analytics/programming; SQL proficiency; JavaScript/jQuery/HTML/CSS; full software development lifecycle; strong communication; multi-project management.
SQL, JavaScript, jQuery, HTML, CSS, Slate
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