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Principal Software Engineer, Design Simulation
Wilmington, Massachusetts, United States
$180k-$248k/yr HybridFull Time
12+ YOEMaster's preferred; 12+ years software engineering experience with simulation and optimization; strong CS fundamentals; experience with data transformation (Pandas, NumPy, SQL), data science workflows, ML/cloud a plus; excellent communication.
Pandas, NumPy, SQL
1w
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Staff+ Software Engineer, Design Automation
Boston or Andover
HybridFull Time
7+ YOEBachelor's in CS or EE (or equivalent),7+ years building production software, proficiency in Go/Python/C#, cloud-native and containerized deployments, EMR not mentioned, strong technical leadership and domain abstraction skills.
Go, Python, C#, EC2, Lambda, Onshape, Open CASCADE, build123d/CadQuery, Zoo, Solidworks, Autodesk Fusion, Inventor, FeatureScript
2w
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Staff Design Evaluation Engineer
Wilmington, Massachusetts, United States
$131k-$190k/yr OnsiteFull Time
5+ YOEBachelors in Electrical Engineering (Masters preferred), 5+ years analyzing and debugging analog/digital circuits, experience designing ATE hardware/software, proficiency in C/C++, Visual Basic, schematic/layout tools, and Microsoft Office.
C/C++, Visual Basic, Orcad, Cadence ALLEGRO, Cadence, Unix, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook
1w
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Senior Software Engineer
Plano or Boston or Portsmouth or Indianapolis or Columbus
HybridFull Time
5+ YOE5+ years software engineering experience; strong data structures, algorithms, system design; proficiency in Python or Java; EMR not mentioned; experience with layered architectures and agile delivery.
Python, Java, React, Node.js, Spring Boot, AWS, RESTful services, RDS
1w
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Senior Software Engineer
Boston or Portsmouth or Plano or Indianapolis or Columbus
$106k-$197k/yr HybridFull Time
5+ YOE5+ years software engineering experience, agile development, translating client needs to technical designs, strong communication, proficiency with React, TypeScript, JavaScript, Node.js, Java, RESTful services, and cloud tools.
React, TypeScript, JavaScript, Node.js, Java, RESTful services, AWS, Cloud Foundry, Akamai
1mo
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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
1w
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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
4w
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Software Engineer
Chelmsford, Massachusetts, United States
$70k-$95k/yr OnsiteFull Time
BS in CS/ECE or equivalent; designs, develops, tests, integrates, and maintains product software; experience with C, C++, C#, or Python; strong communication and problem-solving; must reside near Chelmsford, MA; no immigration sponsorship.
C, C++, C#, Python
2mo
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Software Engineer
Franklin, Massachusetts, United States
$130k/yr OnsiteFull Time
5+ YOE5+ years in product development with multi-threading; strong OOD/OOP, motion controllers; SQL/DB design; OCR/vision a plus; excellent English; Agile; C/C++/C#/Python; Windows OEM software.
C, C++, C#, Python, SQL
2mo
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Software Engineer II (Non-traditional Path)
Nashua or Hudson or Merrimack
$79k-$135k/yr OnsiteFull Time
2+ YOE2+ years software development experience or equivalent; active or recent US Secret clearance; experience with software design, development, testing/validation, and software/systems engineering processes.
C++, C#, Python, Java, Windows, Linux, Continuous Integration Tools, GIT, Jira, Confluence
3mo
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Software Engineer
Methuen, Massachusetts, United States
OnsiteFull Time
3+ YOEBachelor’s degree with 3-5 years of Windows programming experience or Master’s with 1-3 years; C/C++; OO design; UI development with Qt; experience in medical devices a plus.
C/C++, Qt, Windows, Software Development Tools
1d
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Computational Design Engineer Co-Op Spring 2027
Peabody, Massachusetts, United States
$23-$30/hr OnsiteInternship
Pursuing Bachelors or Masters in engineering, math, CS, or physics. Experience with computational design software and implicit modeling. Eligible for U.S. Secret clearance, able to pass drug screen and background check.
Rhino/Grasshopper, nTop, PicoGK, NX Implicit Modeling, Altair Implicit Modeling
4d
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Software Developer
Manchester, New Hampshire, United States
$85k-$117k/yr RemoteFull Time
8+ YOE8+ years software development with strong back-end focus (Java and/or NodeJS), RESTful API design, Angular front-end experience, AWS cloud, Git/GitHub, unit/integration testing, healthcare EDI knowledge, and U.S. citizenship/Public Trust eligibility.
Java, NodeJS, Angular, C#, .Net, AWS, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JUnit, Jest, JIRA, Docker, ECS, EKS, Microsoft Teams, Electronic Data Interchange X.12 (EDI), XML, JSON
1mo
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ATE Software Engineer II
Wilmington, Massachusetts, United States
$93k-$140k/yr OnsiteFull Time
2+ YOEB.S. in Electrical Engineering, 2+ years developing instrument-driven test software, strong C# programming, ATE design and communication protocol knowledge, SCM familiarity, troubleshooting, and ability to obtain U.S. Secret clearance.
C#, Serial, Ethernet, PXI, USB, IEEE-488, EVMS
1mo
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Principal Software Engineer/Developer
Merrimack, New Hampshire, United States
OnsiteFull Time
3+ YOEBachelor's in CS/Engineering/IT/IS + 5 years experience or Master's + 3 years; strong Java/Spring and AWS experience; expertise with testing frameworks and CI/CD; experience designing web-based financial applications.
Structured Query Language (SQL), JUnit, Cucumber, FitNesse, Java, Spring Boot, Spring MVC, Spring, Amazon Web Services (AWS), HTML, CSS, JavaScript, HTML5, IntelliJ IDEA, Angular, Maven, Jenkins, REST, OAuth, Swagger, Apache Kafka, Docker, Azure Kubernetes Service (AKS), Deployment as a Service (DaaS), Helm, Azure PostgreSQL, CI/CD, Microsoft Visio, ArgoUML, Drools Rule Language (DRL), Red Hat JBoss Business Rules Management System
2w
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Senior Software Engineer- Cable Backplane Systems
Yocumtown or Nashua or Raleigh or Austin
OnsiteFull Time
8+ YOE8+ years software engineering experience, BS in CS/CE (MS preferred), experience designing large data platforms, APIs, databases, pipelines, EM/ML workflows, and technical leadership/mentoring skills.
MES, APIs, CI/CD, AI/ML
2w
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Software Development Engineer II
North Reading, Massachusetts, United States
$144k-$194k/yr OnsiteFull Time
3+ YOE3+ years professional software development, bachelor\u0002s in CS/Robotics or related, experience designing software for robotic/mechatronic systems, proficiency in C++ and/or Python, EM/architecture experience.
C++, Python, ROS, ROS2, Gazebo, Isaac Sim, MuJoCo, Linux
3w
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Senior Cybersecurity Systems Software Engineer
Colorado Springs or Durham or Spring or Fort Collins or Andover
$162k-$371k/yr HybridFull Time
10+ YOEBachelor's or Master's in CS/Engineering/IS, 10+ years cybersecurity engineering/architecture and software development experience, strong knowledge of cybersecurity standards and technologies, ability to design solutions, lead certification/compliance, and mentor teams.
NIST SP 800-53, DISA SRG/STIG, Common Criteria, PQC, EU CRA, 802.1ar, Agentic AI, FIPS, TLS, SSH, Cryptography
2mo
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Software Engineer II (Andover, MA, US)
Andover, Massachusetts, United States
$91k-$101k/yr HybridFull Time
2+ YOE2-5 years software design in an engineering setting; strong C/C++, Linux; NoSQL, Qt; BS in Computer Science or Electrical Engineering; MS preferred; hybrid work in Andover, MA.
C/C++, Red Hat Enterprise Linux, UNIX/Linux Development Environment, UNIX/Linux Systems Programming, NoSQL, Qt, TCP/IP, Bash, Wireshark, X11
3w
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Staff Software Engineer - Mobile
Lowell, Massachusetts, United States
$130k-$186k/yr HybridFull Time
7+ YOE7+ years software development experience; expertise in mobile (iOS, Android), GCP, GitHub; deep architecture and mobile design pattern knowledge; proficiency in JavaScript, Angular JS, Kotlin, Swift/Swift UI; telemetry/observability and leadership experience; BS/MS in CS or related field.
iOS, Android, GCP, GitHub, JavaScript, Angular JS, Kotlin, Swift, Swift UI, JUnit, Selenium, CoPilot, Codex, Claude Code
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