39 software design engineer jobs at 24 companies in Mastic, NY
3mo
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Design Engineer
New York or New York
$175k-$250k/yr OnsiteFull Time
Strong frontend skills (React/TypeScript), UI/UX design, design systems, and collaboration with product leadership.
React, TypeScript
1d
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Software Engineer
New York City or Greenwich or Houston or London or Singapore
$150k-$300k/yr OnsiteFull Time
6+ YOERequires 6+ years of software engineering experience, a bachelor's degree in computer science or related STEM field, expert Java, C++, or Python skills, and strong design, analysis, communication, and teamwork abilities.
Java, C++, Python
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
3d
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Software Engineer II-Hybrid Role
Greenwich, Connecticut, United States
HybridFull Time
2+ YOERequires 2–4 years of software development experience, a bachelor's degree or equivalent, proficiency in a core language/framework, RESTful APIs, relational databases, Git/GitHub, and strong analytical skills.
PHP, Laravel, Nova, Apiato, Java, C#, Python, Go, C++, JavaScript, React, Angular, jQuery, HTML5, CSS3, LESS, SASS, Material Design, Kotlin, Swift, Objective-C, React Native, Flutter, Retrofit, OkHttp, Firebase, MySQL, Oracle, Firebird, Amazon Web Services (AWS), Git, GitHub, Docker, Kubernetes, TensorFlow, PyTorch, scikit-learn, JIRA, Confluence, Crashlytics, New Relic, Azure, GCP, TDES, DUKPT, PAX, AMP, Magtek
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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Lead Software Engineer
Shelton or Indiana or Ohio or Louisiana or Iowa or New Hampshire or Delaware or North Carolina or Utah or Montana or Oklahoma or Virginia or Arkansas or Alabama or Missouri or Pittsburgh or Nevada or San Antonio or Tampa or St. Petersburg or Mississippi or Orlando or Tennessee or New Mexico or Kansas or Florida or Maitland or Phoenix or Idaho or West Virginia or Maine or Pennsylvania or Nebraska or South Carolina or Georgia or Wisconsin or Texas or Gilbert or Sunrise or Port St. Lucie or Kentucky or Dallas
HybridFull Time
7+ YOE7+ years C#/.NET development experience, bachelor's in CS or related, strong OOP and design patterns, SQL Server and Azure experience, DevOps and source control familiarity.
.NET Framework, .NET Standard, .NET Core, .NET 9, .NET, C#, Blazor, Razor Pages, ASP.NET WebForms, WCF, Worker Services, JavaScript, Microsoft SQL Server, Microsoft Azure, CI/CD, Git, Microsoft Azure DevOps, Jira, Confluence
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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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
1mo
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Sr Software Development Engineer
Houston or Greenwich
$93k-$232k/yr HybridFull Time
10+ YOE10+ years software development experience; proficiency in .NET and/or Java; cloud (AWS/Azure) experience; hands-on coding, API and database design, CI/CD and Git; healthcare claims or analytics domain experience preferred.
.NET, Java, AWS, Azure, FHIR, HL7, CI/CD, Git
1mo
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Sr Software Development Engineer
Houston or Greenwich
$93k-$232k/yr HybridFull Time
10+ YOE10+ years software development experience; hands-on coding in .NET and/or Java; cloud (AWS/Azure); claims adjudication or healthcare payments experience; API, FHIR/HL7, CI/CD and Git; database design and performance tuning; microservices and cloud-native architectures.
.NET, Java, AWS, Azure, FHIR, HL7, CI/CD, Git
3mo
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Principal Engineer Software - Storage (Chronosphere)
Burbank or Denver or Chicago or Austin or Jacksonville or Hartford or Bridgeport or Seattle or Boston or New York City
$147k-$238k/yr RemoteAll Commitments Available
Design and build scalable backend services for high-volume telemetry data; strong backend skills; cloud infra experience; API design; mentorship.
Go, Java, Python, Rust, AWS, GCP, Azure, REST, gRPC, GraphQL
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
1mo
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Lead Engineer, Substation
Orange, Connecticut, United States
$115k-$130k/yr HybridFull Time
8+ YOEABET-accredited BS in Electrical Engineering or EET, 8+ years substation design experience, familiarity with IEEE standards, power analysis software, and strong communication skills.
SKM, Etap, Easy Power, Microsoft Project, Microsoft Excel, Microsoft PowerPoint, Microsoft Word
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
3w
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Staff Distribution Engineer (Northeast Region)
Conshohocken or Wallingford or Newton or Morristown
$100k-$175k/yr OnsiteFull Time
2+ YOEBachelor's or master's degree in engineering, ABET-accredited education, and 2–3 years of relevant engineering experience. Requires electrical distribution knowledge, design software and GIS proficiency, and strong analytical communication skills.
Microsoft Office Suite, GIS
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
2w
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Generative AI Lead Engineer
Dallas or Stamford or Chicago
$120k-$140k/yr HybridFull Time
Strong experience with generative AI, LLMs and prompt engineering; hands-on development using .NET, React, Python; designing RAG pipelines, model training/fine-tuning, and Azure deployments.
.NET, React, Python, Claude, LangChain, LlamaIndex, Azure
2mo
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Generative AI Lead Engineer
Dallas or Stamford or Chicago
$120k-$140k/yr HybridFull Time
Generative AI, LLMs, prompt engineering; hands-on with .NET, React, Python; AI/ML architecture design (RAG); model training and optimization; Azure deployment
.NET, React, Python, LangChain, LlamaIndex, Claude, Azure
1mo
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Senior AI Engineer
United States or New York City or Palm Beach or Los Angeles or Miami or Greenwich or Westchester County or The Hamptons or San Francisco or Manhattan
$190k-$250k/yr RemoteFull Time
4+ YOE4+ years building and operating LLM-powered production ML systems, strong Python, backend framework experience (FastAPI/Flask), LLM orchestration and retrieval design, Snowflake/dbt/Dagster/Airflow familiarity, evaluation systems, HIPAA/PHI knowledge, and strong written communication.
Python, FastAPI, Flask, Snowflake, dbt, Dagster, Airflow, vLLM, Triton, TGI, SGLang, LOINC, SNOMED CT, ICD-10, RxNorm, FHIR, HL7
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