2,042 systems software engineer jobs at 788 companies in Princeton, NJ
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Software Systems Engineer
King of Prussia, Pennsylvania, United States
$73k-$129k/yr OnsiteFull Time
US citizen with final Secret clearance required; experience in systems engineering (requirements/ICD development, subsystem design, or system/software modeling); familiarity with MBSE/Cameo (MagicDraw), DOORs, and DOD software CDRL development; strong communication skills.
Cameo Systems Modeler (MagicDraw), Cameo Enterprise Architecture, DOORs
2mo
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Software Engineer, Build Systems / CI
San Francisco or Seattle or New York City
$185k-$490k/yr OnsiteFull Time
5+ YOE5+ years of software engineering experience; building infrastructure or tooling for developers; experience with build systems (Bazel, Buck, Pants, Gradle); scale CI; cross-team collaboration; strong developer experience; distributed systems debugging.
Bazel, Starlark, Buildkite, Python, FastAPI, Kubernetes, Terraform, PostgreSQL, Kafka
3mo
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Software Engineer - Options Trading Systems
New York, New York, United States
$175k-$250k/yr OnsiteFull Time
5+ YOE5+ years in production software engineering; strong C++, systems fluency, networking; low-latency, high-performance focus.
C++, Networking, Socket programming, Multithreading
1mo
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Software Engineer - Systems
New York City or San Francisco or London
$200k-$275k/yr OnsiteFull Time
5+ YOE5+ years systems programming experience, strong OS foundation, performance engineering, familiarity with Apache Arrow/Parquet/DataFusion/Clickhouse/DuckDB, PyTorch/CUDA understanding, Rust a bonus; able to work onsite in NYC, SF, or London.
Vortex, Apache Arrow, Parquet, DataFusion, Clickhouse, DuckDB, PyTorch, CUDA, Rust
2mo
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Senior Software Engineer, Agentic Systems
New York City, New York, United States
$150k-$300k/yr HybridFull Time
5+ YOE5+ years software engineering experience with backend focus; proficiency in Python or TypeScript; experience with APIs, data stores, distributed systems, cloud infrastructure, and agentic AI systems.
Python, TypeScript, FastAPI, Flask, Redis, Kafka, SQL, NoSQL, vector databases, Azure, AWS, GCP
1mo
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Staff HPC Systems Software Engineer
New York City or United States
$225k-$275k/yr OnsiteFull Time
Extensive experience designing and building Slurm-based HPC systems, strong software skills in Go or Python, deep knowledge of GPU infrastructure and HPC networking (InfiniBand, RoCE, RDMA), and experience integrating HPC with cloud-native platforms.
Slurm, Kubernetes, Go, Python, Kueue, InfiniBand, RoCE, RDMA
3mo
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Systems Engineer
Aberdeen Proving Ground or Fort Belvoir or Huntsville or Austin or Tobyhanna Army Depot or Letterkenny Army Depot or Lakehurst
OnsiteFull Time
5+ YOE5+ years of systems engineering; strong ability to design, integrate and test complex hardware/software systems; gather requirements and document configurations.
1mo
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Software Engineer, Geospatial Systems
Brooklyn, New York, United States
$150k-$220k/yr HybridFull Time
4+ YOE4+ years building data-intensive software; strong CS fundamentals; fluency in a systems/backend language; experience with DuckDB/Apache Arrow or comparable columnar systems; emphasis on performance, correctness, and computational geometry.
DuckDB, Apache Arrow, GeoArrow, Clay, Rust, C, C++, Zig, PostGIS, GDAL, GEOS, georust/geo, zarr, GeoZarr
21h
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Systems Engineer
New York City, New York, United States
$150k-$220k/yr HybridFull Time
3+ YOERequires 3+ years of software engineering experience, systems-level programming, production systems experience, CI/CD, automated testing, deployment, data pipelines, and event-driven architectures.
Rust, C++, Java, CI/CD
2mo
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Senior Systems Engineer
King of Prussia, Pennsylvania, United States
$108k-$228k/yr OnsiteFull Time
8+ YOEActive TS/SCI with polygraph, Bachelor’s in CS/Systems/IT/Engineering, 8+ years systems or software engineering, experience translating mission needs into AI/ML requirements, Scrum/Agile experience, ability to develop test procedures and mentor engineers.
Cameo, DOORS, DOORS Next Gen, GitLab, XML, JSON, Scrum, Agile
2d
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Systems Engineer, SME
Picatinny Arsenal, New Jersey, United States
OnsiteFull Time
10+ YOEBachelor's degree in engineering, 10 years of systems engineering experience, software integration or testing, DevOps and CI/CD experience, analytical skills, and Secret security clearance.
RS-232, RS-422, RS-485, Ethernet, USB, Discrete I/O, Continuous Integration/Continuous Delivery (CI/CD), DevOps, oscilloscopes, spectrum analyzers, digital multimeters, logic analyzers
6d
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Systems Engineer - Integration & Test
Aurora or King of Prussia or Chantilly or Colorado Springs
$69k-$142k/yr OnsiteFull Time
3+ YOEActive TS/SCI clearance, bachelor's degree in systems engineering, computer science, software engineering, or related engineering field, and 3+ years of systems engineering experience including integration and testing.
Jira, Azure DevOps, TestRail, Python, Bash, PowerShell, Linux, Playwright, Selenium, PyTest, Robot Framework, TCP/IP, REST APIs, XML, JSON, Docker, Kubernetes, Cameo Systems Modeler, SysML, MBSE
2mo
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Software Engineer, Trading Systems (C++)
New York City, New York, United States
$120k-$285k/yr HybridFull Time
Degree in CS/Engineering/Math/Physics, strong algorithms/data-structures and distributed systems foundation, excellent C++ (Python preferred), experience building low-latency/high-performance systems, interest in financial markets.
C++, Python, Rust, Linux, FPGA
6d
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Systems Engineer 3
Newtown, Pennsylvania, United States
$115k-$120k/yr OnsiteFull Time
5+ YOEBachelor’s degree in a technical discipline, 5+ years of systems engineering experience, hardware/software integration, testing, troubleshooting, validation, cybersecurity knowledge, and travel readiness.
Linux, AGILE, AI-based tools, STIG
3w
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Software Engineer - Control Systems
Princeton, New Jersey, United States
$150k-$235k/yr OnsiteFull Time
Hands-on instrumentation and software fundamentals; hardware-in-the-loop testing, data pipelines, distributed monitoring; experience integrating high-speed cameras, RF signal generators, GPUs, and Linux kernel customizations.
high-speed cameras, RF signal generators, GPUs, Linux kernel
3w
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Software Engineer, Recommendation Systems
New York, New York, United States
$271k-$347k/yr OnsiteFull Time
12+ YOEBachelor's in CS or equivalent,12+ years building production recommendation/ranking systems,experience defining architecture for large-scale ML,leading cross-organizational initiatives,and deploying ML models to production.
PyTorch, TensorFlow
2mo
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Software Engineer, Revenue Systems
New York City, New York, United States
OnsiteFull Time
Senior IC with strong systems integration and data modeling; revenue-domain experience; Python/TypeScript production work; correctness-focused.
Python, TypeScript, HubSpot API, REST APIs, Webhooks, SQL
2w
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Software Engineer, Developer Infrastructure - Build Systems
New York City or Los Angeles or Austin or Seattle
$130k-$230k/yr OnsiteFull Time
4+ YOE4+ years building and maintaining build systems, experience with Bazel and large monorepos, improving CI/CD performance and release reliability, strong engineering judgment.
Bazel, Datadog, Grafana, OpenTelemetry, Kubernetes
1w
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Software Engineer, Agent Systems
New York City or London or Zurich or Palo Alto or Copenhagen or Seoul
$150k-$265k/yr HybridFull Time
4+ YOE4+ years backend/distributed systems experience, strong API and data-modeling skills, Kubernetes and container experience, familiarity with Postgres or Redis, reliability and observability experience.
Kubernetes, Postgres, Redis
1mo
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Software Engineer, Design Systems
San Francisco or New York City
$160k-$270k/yr OnsiteFull Time
3+ YOE3+ years building frontend products, ownership of design systems, deep frontend expertise (TypeScript, component architecture, frontend tooling), strong product/design instincts, and collaboration skills; experience with AI-assisted development preferred.
TypeScript, React, Storybook, visx, D3, Chart.js
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