41 software systems engineer jobs at 30 companies in Mastic, NY
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Radar Systems/Software Engineer
Trumbull, Connecticut, United States
$105k-$170k/yr OnsiteFull Time
5+ YOEB.S. in EE/Physics/CompE (M.S. preferred),5+ years radar and M&S experience,proficient in MATLAB,Python,C/C++,CUDA,VHDL,Windows/Linux,ability to obtain DoD Secret clearance,U.S. citizenship required.
MATLAB, Python, C, C++, CUDA, VHDL, Windows, Linux
1mo
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Senior Software Engineer, Manufacturing Systems
Glen Cove, New York, United States
$180k-$210k/yr HybridFull Time
5+ YOE5+ years engineering experience; full-stack development with React/Typescript and Node.js/Python; PostgreSQL, GCP/AWS, Kubernetes, Docker; experience designing MRP/MES or production systems preferred.
React, Typescript, Node.js, Python, PostgreSQL, GCP, AWS, GraphQL, REST, Kubernetes, Docker
2mo
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Systems Engineer, Embedded Solutions (New Haven, CT, US, 06511)
New Haven or Berlin
OnsiteFull Time
Hands-on, broadly skilled systems engineer with cross-domain experience in hardware, firmware, and software; travels to customer sites; strong collaboration and communication.
3mo
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Software Development Engineer
Seattle or Arlington or Bellevue or New York or Astoria or Brooklyn or Carle Place or Cupertino
$144k-$224k/yr OnsiteFull Time
3+ YOE3+ years professional software development; 2+ years design/architecture; 3+ years building complex software systems; 2+ years multi-tier or distributed apps in C#/C++/Java/Perl; Bachelor's degree or equivalent.
C#, C++, Java, Perl, Python
2mo
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Sr. Software Engineer, Testing
Westport, Connecticut, United States
$350k-$500k/yr HybridFull Time
4+ YOE4+ years in rigorous engineering environments; 2+ years in SDET/testing architecture; strong diagnostic and system design skills; exposure to low-latency, agentic testing.
1w
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Sr Software Engineer - Reliability Engineering
North Hills, New York, United States
$122k-$203k/yr HybridFull Time
5+ YOE5+ years in software/platform/infrastructure engineering, strong coding (Python/Go/Java), AWS and Terraform experience, SRE and observability knowledge, system design and incident response skills.
Python, Go, Java, AWS EC2, AWS RDS, AWS DynamoDB, AWS S3, AWS Aurora, AWS Lambda, AWS VPCs, AWS Athena, Terraform, Docker, Kubernetes, Linux, Windows, New Relic, Splunk, Prometheus, CI/CD pipelines
2w
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Software Engineer, Advanced
Holtsville, New York, United States
$123k-$184k/yr HybridFull Time
8+ YOEBachelor's in CS or related,8+ years' relevant experience (5+ with advanced degree),proficiency with C#,JavaScript,jQuery,SQL Server,strong system design and leadership skills.
C#, JavaScript, jQuery, SQL Server
1mo
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Software Engineer II
Greenwich, Connecticut, United States
HybridFull Time
Experienced full-stack Java developer with Vert.x, Vue.js, Oracle SQL and RESTful API experience; familiarity with front-end technologies, CI/CD, and financial services systems.
Java, Vert.x, Vue.js, JavaScript, HTML5, CSS3, Oracle SQL, Perl, Python, RESTful API
1w
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Founding Software Engineer - AI & Operations (Full-Stack)
Wallingford, Connecticut, United States
OnsiteFull Time
3+ YOE3+ years engineering experience with ownership of a production system; strong full‑stack fundamentals, SQL, LLM API production integrations, OCR/document extraction, and self-directed problem solving.
OpenAI, Anthropic, OCR, MaintainX, Claude Code, Copilot, SQL
5d
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Principal Embedded Software Engineer
New Haven, Connecticut, United States
$180k-$220k/yr OnsiteFull Time
Extensive embedded systems experience, deep C/C++ and Python skills, RTOS and real-time control expertise, firmware-to-hardware lifecycle ownership, PCB/CAD/fabrication experience, and comfort in wet-lab hardware environments.
C, C++, FreeRTOS, Zephyr, Python, Altium, KiCad, SolidWorks, Onshape, I²C, SPI, UART, RS-485/Modbus RTU, CAN/CANopen, EtherCAT, USB, Ethernet, oscilloscope, logic analyzer, SWD/JTAG, Yocto, Buildroot, PREEMPT_RT, systemd, ROS 2, LabVIEW, AWS
3mo
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Verification Engineer, Software (Danbury, CT, US, 06810)
Danbury, Connecticut, United States
$105k-$120k/yr OnsiteFull Time
10+ YOE10+ years in software verification, automated test development, or embedded systems testing; Python and Robot Framework; RESTful testing; Redfish; CI/CD; HVAC/industrial controls experience.
Python, Robot Framework, Redfish, REST APIs, BACnet, Modbus, JIRA, Confluence, codebeamer, MS Office 365
1w
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Sr. Software QA Engineer
Shelton, Connecticut, United States
$126k-$130k/yr HybridFull Time
5+ YOEMaster's in computer science or related and 5+ years experience including export/compliance assessment, CAD BOM formats, SAP MRP integration testing, system validation, change control, and Jira-based test traceability.
Altium, SolidWorks, Pro-E, OrCad, MicroStation, SAP MRP, Jira
2mo
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Product Lifecycle Management to SysMod Engineer - FULLTIME TELEWORK
Colorado Springs or Denver or Liverpool or Manassas or Moorestown or Orlando or Owego or Stratford
$89k-$158k/yr RemoteFull Time
3+ YOEBachelor's in engineering, 3+ years related experience, systems/ hardware/ software engineering across disciplines, PLM and MBSE experience, familiarity with PTC Windchill, Cameo/Rhapsody, and DOORS.
PTC Windchill, Cameo, Rhapsody, DOORS, OSLC, eQube
2mo
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Professional Software Engineer - AI Driven Engineering (Hybrid - Newark, NJ, NYC or Edgewood, NY)
Edgewood or Newark or New York City
$165k-$175k/yr HybridFull Time
Design and develop scalable distributed systems; lead architecture; drive AI-driven engineering initiatives using Java, AWS, Kafka, and PostgreSQL.
Java, Spring Boot, Kafka, AWS, EKS, ECS, MSK, Aurora PostgreSQL, S3, Lambda, PostgreSQL, REST APIs, Microservices, Distributed systems, CI/CD, DevSecOps
3d
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Research & Portfolio Management Engineering - Associate
Greenwich, Connecticut, United States
$140k-$160k/yr OnsiteFull Time
3+ YOEBachelor's or master's in a technical field, 3–5 years of software engineering experience, Python, Linux, AWS, distributed systems, large-scale data processing, SQL, and native AI application experience.
Python, C++, Linux, AWS, SQL, Large Language Models (LLMs)
1mo
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Global Advisory Testing Engineer
Morrisville or Shelton
HybridFull Time
8+ YOEBachelor's in EE/CE/CS or related, 8+ years manufacturing test engineering experience, expertise in hardware/software integration, troubleshooting system-level issues, automation/scripting, and supporting global manufacturing operations.
1mo
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Senior Engineer II-Applications
Chandler or Hauppauge or Austin
$70k-$205k/yr OnsiteFull Time
7.5+ YOEBachelors in electrical engineering (or equivalent) with 7.5+ years experience; strong written communication; silicon/system architecture, hardware design, mixed-signal and basic software design experience.
Altium, Cadence, C, Python, LabView, function generators, power supplies, multi-meters, oscilloscopes, serial protocol analyzers
2mo
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Real-Time Software Engineering Manager
Farmingdale, New York, United States
$150k-$264k/yr OnsiteFull Time
10+ YOE3+ MgmtLead a software team to design, implement, and deliver real-time embedded C++ software for Radar and Communication systems; manage projects, metrics, and staffing.
C++, RTOS, GitLab, Jenkins, Git Bash, Jira, Artifactory
3w
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ATE Engineer
Hauppauge, New York, United States
$135k-$140k/yr OnsiteFull Time
10+ YOEUS citizen with 10+ years in test system software/hardware development, expertise with NI PXI and LabView, experience with MIL standards, hardware integration, troubleshooting, and CI/CD.
National Instrument PXI, PCI, DAQ, Chassis, LabView, Test Stand, Phyton, FPGA, JTAG, ICE, TCP/IP, Ethernet, UDP, I2C, SPI, RS-232, RS-422, RS-485, ARINC, AFDX, MIL-STD-1553, MIL-STD-810, MIL-STD-461, MIL-STD-1275, RTCA/DO-160, IPC-610, Continuous Integration/Deployment
1mo
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Senior Development Engineer- Advanced Joint and Bonding
Hamden, Connecticut, United States
OnsiteFull Time
5+ YOEMaster's or Ph.D. in Materials Science/Chemical/Plastics Engineering, 5+ years in thin adhesives or coatings deposition, experience with high-temperature adhesive systems, materials characterization, and data analysis software.
Microsoft Excel, MATLAB, Minitab, Origin
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