27 systems software intern jobs at 23 companies in Wayne, NJ
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Software Engineer Intern
New York City, New York, United States
HybridInternship
Latent Defense: Building autonomous AI-driven threat modeling systems for cybersecurity.
0+ YOEInternship seeking engineers who think systemically; comfortable prototyping across the stack with TypeScript, Python, PostgreSQL; familiar with Docker/Kubernetes.
Austin or Menlo Park or Washington or New York City
$171k-$240k/yrOnsiteFull Time
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
8+ YOEBachelor's degree or equivalent,8+ years building and shipping full‑stack projects,experience scaling internal tooling and driving multi‑team technical roadmaps,ability to communicate across global teams.
Plaid: Provides financial data connectivity and payment infrastructure via APIs.
5+ YOE5+ years professional software engineering experience; proven production systems experience; internal tools/platform building; strong product judgment; hands-on experience with AI development tools or agents.
Steel Partners: A diversified holding providing industrial manufacturing and energy services.
Pursuing or recently completed Bachelor's/Master's in CS/Data Science/Engineering/Info Systems, hands-on AI/ML and LLM API experience, Python/JavaScript and REST API proficiency, strong analytical and communication skills.
Persistent Systems: Develops and manufactures secure mobile ad hoc networking systems.
Working toward a Bachelor's in CS/CE, experience developing software in C/C++ for Linux, embedded systems experience, and must have or be able to obtain a U.S. security clearance.
New York City or San Francisco or Seattle or Los Angeles or United States
$214k-$248k/yrRemoteFull Time
Check: Provides embedded payroll infrastructure for software platforms.
Staff-level ownership of production systems, experience building internal tools or platforms, strong debugging and design skills, ability to collaborate cross-functionally, and willingness to work with Python/Django, React, TypeScript, AWS, Terraform, Postgres, Temporal, and GitHub.
TubiNASDAQ: FOXA: Free ad-supported streaming service for movies and television.
8+ YOE8+ years software engineering experience; deep distributed systems expertise; strong full‑stack skills with Node.js/TypeScript, React/TypeScript, PostgreSQL/Drizzle ORM, and Python; experience integrating LLMs/AI into production systems.
Node.js, TypeScript, Express, React, PostgreSQL, Drizzle ORM, Python, OpenAI, Google Gemini, Claude Code, Codex, Cursor, MCP, LLM
Anthropic: Developing safe and reliable artificial intelligence systems.
8+ YOE8+ years building backend systems, data pipelines, or internal platforms; proficiency in Python or Go; experience with cloud platforms and infrastructure-as-code; strong systems thinking and experience with integrations or data infrastructure.
Python, Go, AWS, GCP, Azure, Claude, ServiceNow, Vanta, Drata, OneTrust, REST APIs, webhooks, CI/CD, ELT, ETL, infrastructure-as-code, version control
AsanaNYSE: ASAN: Software platform for team project management and workflow automation.
3+ YOE3+ years working in large codebases; experience building developer tools, IDE/editor/CLI integrations, or internal platforms; hands-on with AI-assisted development tools; strong systems design and technical judgment.
Bloomberg: Delivers financial data, news, and software to global markets.
4+ YOE4+ years OOP experience, degree in CS/Engineering/Math or equivalent, strong experience or interest in database internals and distributed systems, Linux debugging, and working with high-throughput, low-latency data platforms.
Senior Software Engineer II - Confluent Cloud Platform (Remote)
Poughkeepsie or Lowell or Rochester or Tucson or Research Triangle Park or Armonk or Boston or Bellevue or Atlanta or San Jose or Dallas or Austin or San Francisco or Seattle
$131k-$245k/yrHybridFull Time
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
Strong programming in Go/Java/Python, deep systems internals, Kubernetes and public cloud (AWS/GCP/Azure) experience, GitOps/Terraform/CI/CD/observability expertise, bachelor's degree required; ability to work without visa sponsorship.
Citadel Securities: Global market maker providing liquidity for financial markets.
PhD in a quantitative field, strong programming skills (C++, Python, R), CS fundamentals and software development experience, familiarity with ML/NLP/distributed systems preferred, strong communication skills.
Pharmacy Finance Intern; Mount Sinai Health System; Per Diem (HYBRID)
New York, New York, United States
$17-$50/hrHybridPart Time
Mount Sinai Health System: Provides comprehensive hospital, clinical, and medical research services.
High school diploma or GED minimum; strong written/verbal communication, data analysis, project management; proficiency with Microsoft Excel and Word, databases, and inventory management software.
Microsoft Excel, Microsoft Word, database software, inventory management software
Pharmacy Finance Intern; Mount Sinai Health System; Per Diem (HYBRID)
New York, New York, United States
$17-$50/hrHybridPart Time
Mount Sinai Health System: Integrated academic medical system providing patient care and research.
Minimum high school diploma or GED. Strong written/verbal communication, data analysis, problem-solving, project management; proficiency with Microsoft Office (Excel, Word), database software; inventory management knowledge preferred.
Microsoft Office Suite, Microsoft Excel, Microsoft Word, database software, inventory management software
Member of Technical Staff - Internal Agent Engineering
New York City, New York, United States
$250k-$350k/yrOnsiteFull Time
Entendre: Develops internal automation and agent technology to improve developer experience and operations.
Experience building scalable internal tools, agents, or workflow automation; understands developer workflows, context management, and internal process automation; proficient in software development, API building, and integrating systems; strong documentation and communication skills; experience developing internal agents.
CitiNYSE: C: Global diversified financial services holding.
5+ YOE5+ years building high-performance low-latency trading systems using Core Java and distributed microservices; knowledge of FIX, JVM internals, and market data handling required.
Zocdoc: Online platform for searching and booking healthcare appointments.
7+ YOE7+ years building internal developer platforms, CI/CD and developer tooling experience, designed and operated distributed systems in AWS, strong communication, mentoring, and platform-as-product mindset with AI-assisted development experience.