New Jersey Transit

4312 Software Engineer II

New Jersey Transit$90K — $120K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of experience with a Bachelor's degree in a related technical field
  • Degree may be supplemented with additional relevant experience
  • Ability to be sponsored for a security clearance
  • Core strengths in full-stack development using modern JavaScript/TypeScript and Python
  • Proficient in backend APIs, data pipelines, and practical AI/ML integration

Responsibilities

  • Design and develop full-stack applications from backend APIs to front-end visualizations
  • Integrate AI/ML features into applications with a focus on practical implementation
  • Collaborate with multidisciplinary teams in a fast-paced environment
  • Ensure reliability and scalability of the systems developed
  • Utilize open-source tools and frameworks effectively

Benefits

  • Work in a government-focused environment with potential for security clearance sponsorship
  • Opportunities for continuous learning and adoption of new technologies
  • Be part of a culture that values practical engineering and multidisciplinary collaboration
  • Engage in diverse projects across full-stack development, data engineering, and AI-enabled systems
Full Job Description
4312 Software Engineer II
4312 | Secret

Job Description:

OVERVIEW:

Hands-on Software Engineer II with a strong work ethic and broad technical range across full-stack development, data engineering, AI-enabled systems, networking, and visualization. Experienced in building and operating modern, open source driven applications end to end from backend APIs and data pipelines to front-end dashboards and real-time visualizations. Comfortable working across domains, learning new tools quickly, and contributing wherever needed to deliver reliable, scalable systems. Known as a "get-it-done" engineer who thrives in fast-moving, multidisciplinary environments.

REQUIRED QUALIFICATIONS:

  • 5+ years of experience with a Bachelor's degree in a related technical field
  • Degree may be supplemented or substituted with additional relevant years of experience
  • Ability to be sponsored for a security clearance
  • Core Strengths
    • Full-stack development wFith modern JavaScript/TypeScript and Python
    • Backend APIs, services, and data pipelines
    • Practical AI/ML integration (not research-heavy)
    • Real-time and batch data processing
    • Cloud-native and containerized systems
    • Strong fundamentals in networking, systems, and debugging
    • Data visualization and UI-driven insight delivery
    • Open-source tooling and pragmatic engineering
  • Technical Skills
    • Programming & Frameworks
      • Languages: TypeScript, JavaScript, Python, SQL, Bash
      • Backend: Node.js, NestJS, FastAPI, Flask
      • Frontend: React, Next.js, basic D3.js, Map-based visualization libraries
      • APIs: REST, WebSockets, SSE, event-driven services
    • Data & Infrastructure
      • Databases: PostgreSQL, MySQL, MongoDB
      • Data Tools: Pandas, DuckDB, basic ETL pipelines
      • Streaming & Queues: Redis, Kafka (introductory), pub/sub concepts
      • Containers & DevOps: Docker, CI/CD basics, GitHub Actions
    • AI & Intelligent Systems
      • Practical use of LLMs, embeddings, and RAG pipelines
      • Integration of open-source models (LLaMA-family, CV, HuggingFace)
      • Experience calling and orchestrating AI services via APIs
      • Basic model evaluation, prompt design, and cost-aware usage
    • Cloud & Networking
      • Cloud Platforms: AWS / Azure (developer-level)
      • Networking fundamentals (HTTP, TCP/IP, load balancing concepts)
      • Metrics and Monitoring
    • Visualization & Geospatial (Working Knowledge)
      • Data dashboards and operational visualizations
      • Mapping libraries (Mapbox, Leaflet, Cesium - basic usage)
      • Translating raw data into usable visual insights

CLEARANCE:

  • US Citizenship with eligibility to obtain a Secret clearance


Job Details

City : Newport News

State : Virginia

About New Jersey Transit

New Jersey Transit Corporation, branded as NJ Transit, is a state-owned public transportation system that serves the US state of New Jersey, along with portions of New York State and Pennsylvania. It operates bus, light rail, and commuter rail services throughout the state, connecting to major commercial and employment centers both within the state and in the adjacent major cities of New York and Philadelphia. NJ Transit also provides bus service to the Port Authority Bus Terminal in Manhattan. NJ Transit is headquartered in Newark, New Jersey.
Learn more about New Jersey Transit
Size
11,900 employees
Industry
Net Income
-$100 million
Founded
1979
5 Year Trend
-2%
Revenue
$2.4 billion
NASDAQ

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