2,253 systems software engineer jobs at 816 companies in Mercerville, NJ
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GovCloud Distributed Systems Software Engineer
Herndon or Bellevue or San Francisco or New York City
$149k-$224k/yrHybridFull Time
SalesforceNYSE: CRM: Sells cloud-based customer relationship management and business software solutions.
5+ YOERelated technical degree and 5+ years of backend software development. Requires Java, Golang, Python, or Ruby; distributed systems, critical services, Agile, TDD, AI development tools, and advanced prompt engineering experience.
Amazon Web Services (AWS), Google Cloud Platform (GCP), Microsoft Azure, Alibaba Cloud, Cursor, Windsurf, Claude, OpenAI API, Spinnaker, Zookeeper, Terraform, Kubernetes, Docker, Mesos, Java, Golang, Python, Ruby, PostgreSQL, Claude Code, GitHub Copilot, Codex
OpenAI: Develops artificial intelligence models and generative AI software services.
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.
Spiral: Building high-performance multimodal data infrastructure for AI systems.
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.
Asepha: AI-native clinical automation platform for pharmacies.
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.
Aberdeen Proving Ground or Fort Belvoir or Huntsville or Austin or Tobyhanna Army Depot or Letterkenny Army Depot or Lakehurst
OnsiteFull Time
Envision Innovative Solutions: Provides technical engineering and mission support to government agencies.
5+ YOE5+ years of systems engineering; strong ability to design, integrate and test complex hardware/software systems; gather requirements and document configurations.
Nscale: Vertically integrated AI infrastructure provider for high-performance computing.
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.
Paces: Software to accelerate renewable energy and power project development.
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.
OneChronos: Operates AI-powered alternative trading systems for institutional investors.
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.
CACINYSE: CACI: Provides information technology and professional services to government clients.
7+ YOEActive TS/SCI clearance, bachelor's degree in computer science, systems engineering, IT, or related engineering, and 7+ years in software development or systems engineering. Requires requirements, testing, tracing, Scrum, and Agile expertise.
Scrum, Agile Software Development Methodology, XML, JSON, Cameo, DOORS, DOOR Next Gen
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
7+ YOEBachelor’s degree in computer science, systems engineering, IT, or related engineering field; 7+ years in software development or systems engineering; active TS/SCI clearance; requirements, testing, tracing, Scrum, and Agile experience.
Scrum, Agile Software Development Methodology, XML, JSON, Cameo, DOORS, DOOR Next Gen
Senior Software Engineer, Infrastructure & Systems
New York City, New York, United States
$200k-$300k/yrHybridFull Time
Astronomer: Managed data orchestration platform powered by Apache Airflow.
5+ YOE5+ years in infrastructure, platform, or systems engineering; expertise in Kubernetes, APIs, distributed systems, networking, security, observability, and Go or TypeScript; technical leadership and mentoring experience.
Tower Research Capital: Global quantitative trading firm developing automated algorithmic strategies.
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.
OSI SystemsNASDAQ: OSIS: Manufacturer of specialized electronic systems for security and healthcare.
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.
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
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.
Logiqal: Developing modular quantum computing systems using neutral atom technology.
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
Software Engineer, Developer Infrastructure - Build Systems
New York City or Los Angeles or Austin or Seattle
$130k-$230k/yrOnsiteFull Time
Nominal: Software platform for testing and operating complex hardware systems.
4+ YOE4+ years building and maintaining build systems, experience with Bazel and large monorepos, improving CI/CD performance and release reliability, strong engineering judgment.
New York City or London or Zurich or Palo Alto or Copenhagen or Seoul
$150k-$265k/yrHybridFull Time
Normal Computing: Building probabilistic AI and thermodynamic computing for semiconductor design.
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.
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
Recent systems engineering experience, systems integration, verification and validation, large-scale agile software project experience, and ability to obtain and maintain TS/SCI clearance.