📣 HiringCafe is hiring a Founding Growth Hacker! Learn More · Apply here
Limited-index browse page
Python Software Developer Jobs in Plainfield, NJ, US
1,800+ python software developer jobs from 640+ companies hiring in Plainfield, NJ, US.
1mo
Save
Mark Applied
Hide
Field Sales Engineer II, Enterprise-Northeast
United States or New York
$198k-$233k/yr RemoteFull Time
5+ YOEBS degree; 5 years pre-sales or related experience; ability to explain technical concepts; hardware/software evaluation experience; strong communication and customer-facing skills.
Python, JavaScript, Bash, APIs, IoT, Cloud
6d
Save
Mark Applied
Hide
Photonic Test Engineer Co-op
Murray Hill, New Jersey, United States
OnsiteFull Time, Internship
Bachelor’s or Master’s student pursuing physics/electrical/computer engineering; basic software and test automation; hardware lab experience; team player.
Python, Test automation, Spectrum Analyzers, Power Meters, Laser Sources, Fibre optics, opto-electronic devices
1w
Save
Mark Applied
Hide
Director, AI Engineering--Clinical Development and Operations (CD&O)
New York City, New York, United States
$177k-$294k/yr HybridFull Time
5+ YOEPhD or Master’s with several years of applied AI/ML experience in regulated environments; strong Python/ML tooling; production-grade AI systems; hybrid on-site role in NYC.
Python, TensorFlow, PyTorch, Keras, Scikit-learn, LangChain, LangGraph, Vertex AI, Claude, Java, JavaScript, TypeScript, React, FastAPI, SQL, PostgreSQL, Snowflake, S3, BigQuery, Neo4j, AWS, GCP, Azure
1mo
Save
Mark Applied
Hide
AI Deployment Engineering Internship
New York, New York, United States
HybridInternship
0+ YOECS/AI background, ML/AI experience, Python, REST APIs, research ability, strong communication, interest in AI and VC.
Python, TensorFlow, PyTorch, REST APIs, Data Analysis
3w
Save
Mark Applied
Hide
AI Ops Specialist
New York, New York, United States
OnsiteFull Time
5+ YOE5+ years software engineering; AI/LLM native; full-stack; startup founder energy; hands-on shipping.
Python, TypeScript, Notion, Linear, Slack, GitHub, APIs
3w
Save
Mark Applied
Hide
Member of Technical Staff - Security
San Francisco or New York City
RemoteFull Time
8+ YOE8+ years in security engineering with emphasis on application security and endpoint detection; Python/FastAPI; experience with enterprise security and API/gateway attack patterns.
Python, FastAPI
1d
Save
Mark Applied
Hide
Senior Electrical Engineer - Motion Control & Embedded Systems (US - NJ - Somerset)
Somerset, New Jersey, United States
$129k-$163k/yr HybridFull Time
8+ YOESenior Electrical Engineer with motion control and embedded systems; 8+ years EE or 6+ years MS; expertise in control electronics, embedded software, and industrial automation.
Beckhoff TwinCAT, TwinSAFE, EtherCAT, PLC, C, C++, Python, IEC 61131-3, SPI, I2C, UART
2mo
Save
Mark Applied
Hide
University 2026 Talent Acquisition AI Product Engineering Intern
Mountain View or McLean or New York City or Tampa
OnsiteFull Time, Internship
Pursuing a Bachelor's or Master's in CS/Engineering/AI; strong Python and API skills; experience with automation/AI apps; familiarity with LLM prompting or orchestration; strong systems thinking.
Python, APIs, LLMs, AI frameworks, Workflow automation tools, Webhooks
1w
Save
Mark Applied
Hide
Market Making Quant
New York, New York, United States
$150k-$190k/yr OnsiteFull Time
6+ YOEMaster’s degree in CS/Math/Engineering; 6+ years in market making; Python (3.9+); equity derivatives knowledge; SQL; design patterns; unit testing; English fluency.
Python, SQL
1w
Save
Mark Applied
Hide
Quantitative Technologist (Full-Time - DevOps & Systems Engineering)
Chicago or New York or Amsterdam
HybridFull Time
Proficient in Python; strong problem solving; experience with distributed systems and Linux; ability to thrive in a fast-paced trading environment; knowledge of algorithms and data structures; collaborative team player.
Python, Linux, Distributed Systems, HPC, Software Architecture, Data Structures, Algorithms
1d
Save
Mark Applied
Hide
Summer Intern, Platform Engineering
New York, New York, United States
$18/hr OnsitePart Time, Internship
0+ YOEPursuing a CS/SE degree; hands-on programming in Python/Java/Go/TypeScript; strong CS fundamentals; Git; REST APIs; interest in cloud; AI tools; good communication.
Python, Java, Go, TypeScript, Node.js, AWS, Kubernetes, Docker, REST, gRPC, Claude Code, Cursor, Git, CI/CD, PostgreSQL, Cloud services
1w
Save
Mark Applied
Hide
Engineering Manager, Data Cloud
United States or Canada or New York City
$150k-$240k/yr RemoteFull Time
5+ YOEExperience leading 5–10 engineers in data infrastructure or backend systems; strong software/data engineering background; coaching and cross-functional leadership; interest in cryptocurrency.
Apache Flink, Kafka, Databricks, Delta Lake, Iceberg, DBT, Terraform, AWS, S3, EC2, EKS, IAM, Kubernetes, Helm, GitHub Actions, Datadog, PagerDuty, Claude Code, GitHub Copilot, Java, Python, SQL, HCL
2w
Save
Mark Applied
Hide
AI Engineering Lead
Fort Lee, New Jersey, United States
$250k/yr OnsiteFull Time
7+ YOE7+ years in applied ML/AI or realtime distributed systems; 3+ years leading production LLM/voice solutions; experience with realtime voice agents; RAG; Python/PyTorch; CS degree.
Python, PyTorch, TypeScript
1mo
Save
Mark Applied
Hide
AI Consulting Associate Program (AI CAP) Engineering Intern - Summer 2026
New York, New York, United States
$35-$40/hr HybridInternship
Pursuing a degree in Computer Science, ML, Mathematics, or Engineering; graduation 2026 or 2027; strong Python and SQL; API/JSON familiarity; understanding of large language models; high curiosity and willingness to iterate.
Python, SQL, APIs, JSON, AWS
1mo
Save
Mark Applied
Hide
Application Tech Lead
Warren, New Jersey, United States
$140k-$180k/yr HybridFull Time
Lead technical design and delivery for enterprise P&C systems; strong .NET (C#) and Python; REST/SOAP, CI/CD, and Guidewire experience; able to lead technically while contributing as IC.
.NET (C#), Python, REST, SOAP, CI/CD, Guidewire, APIs, Microservices
1mo
Save
Mark Applied
Hide
Summer Intern, QA Engineering
New York, New York, United States
$20/hr OnsiteInternship
Internship for current juniors/seniors; 9 weeks, full-time in NY; strong JS/TS/Java; familiarity with test automation frameworks; API testing; Git and Python knowledge; good communication and collaboration.
Playwright, Cypress, Selenium, Postman, REST Assured, Jira, Git, Python
2mo
Save
Mark Applied
Hide
Technical Lead
New York City, New York, United States
$200k/yr HybridFull Time
8+ YOE8+ years building production web apps; strong backend/data engineering; data-intensive, user-facing products; Python/JavaScript; RESTful APIs; full-stack capability; cloud data warehouses; leadership potential.
Python, JavaScript, RESTful APIs, SQL, Cloud platforms
1w
Save
Mark Applied
Hide
Senior kdb+ Architect (Greenfield Project)
New York, New York, United States
OnsiteFull Time
5+ YOE5+ years in kdb+ development with deep q, time-series, and leadership; strong Unix/Linux, real-time and historical systems, and data ingestion.
kdb+, q, Unix/Linux, Python, Cloud, AWS, GCP, Azure
1mo
Save
Mark Applied
Hide
Member of the Technical Staff — Internal AI Tooling
San Francisco or New York City
$165k-$210k/yr OnsiteFull Time
5+ YOE5+ years full-stack engineering; proficient in Python and TypeScript; experience building data pipelines, APIs, and scalable architectures; skilled with React/Vue/Angular frontend and Django/FastAPI/Flask/Node.js backend; cloud platforms (AWS/GCP/Azure); startup-oriented mindset; strong cross-team collaboration.
Python, TypeScript, React, Vue, Angular, Django, FastAPI, Flask, Node.js, AWS, GCP, Azure, HubSpot, Slack API, n8n, Fathom, Linear, LangChain
2w
Save
Mark Applied
Hide
Platform Engineering Manager
Irvine or New York or San Antonio
$179k-$287k/yr OnsiteFull Time
10+ YOE5+ Mgmt10+ years engineering; 5+ years leading teams; experience with internal platforms or developer-facing products; cloud-native platforms; Kubernetes; Backstage/Port/Cortex; strong collaboration across Security, SRE, Architecture, and Engineering.
Backstage, Port, Cortex, Kubernetes, AWS, Docker, Terraform, TypeScript, Python, Java, Go, OpenTelemetry, CI/CD, GitHub, Jira, Confluence
3w
Save
Mark Applied
Hide
MSCI Institute - Summer Intern
New York, New York, United States
$25-$35/hr OnsiteMultiple Commitments Available
0+ YOECurrently pursuing a degree in Computer Science, AI, ML, Data Science; Python and ML libraries experience; API integration; experience with large datasets.
1mo
Save
Mark Applied
Hide
Postdoctoral Research Associate - Computational HEP
Princeton or Geneva or Chicago
OnsiteFull Time
PhD in experimental particle physics or related field; strong Python/C++ skills; AI/ML experience; experience with large scientific data analysis; software development for GPUs; collaboration in large teams; strong communication
Python, C++, GPU programming, AI/ML frameworks
1mo
Save
Mark Applied
Hide
Manager - AI/LLMOps Forward Deployed Engineer
New York, New York, United States
$196k-$266k/yr HybridFull Time
7+ YOE7+ years in data engineering, MLOps, software engineering, or related infra roles; 2–3 years LLM-specific experience; production Python; at least one production LLM system; vector retrieval experience; agent SDK knowledge; cloud AI infra experience; observability; client-facing communication; travel up to 50%.
pgvector, Pinecone, Qdrant, Weaviate, Chroma, LangChain, LangGraph, LlamaIndex, OpenAI SDK, Anthropic Claude SDK, AWS Bedrock, SageMaker, EKS, Azure OpenAI Service, AKS, Vertex AI, GKE, Python
4d
Save
Mark Applied
Hide
2026 Summer Intern - Tech
New York or Austin or King of Prussia
$40/hr HybridInternship
Rising or recent graduates; hybrid in New York City, Austin, or King of Prussia; backend language proficiency; SDLC understanding; Git; strong analytical and communication skills; collaborative mindset.
Python, TypeScript, Git, LangChain, OpenAI APIs, AWS, GCP, Azure, Asana, Jira, Notion, Monday.com, Salesforce, HubSpot
1d
Save
Mark Applied
Hide
Intern - AI & Agentic Solutions - Summer 2026
New York, New York, United States
HybridPart Time
AI intern to embed with multiple teams, design and build agentic AI solutions, and deliver a real-world prototype.
LLM APIs, Python, LLM orchestration frameworks, CoPilot Studio, LangGraph, CrewAI, AutoGen
1mo
Save
Mark Applied
Hide
Client Services Consultant
Reston or Promontory or Austin or Plano or Burlington or Princeton or Durham
$107k-$190k/yr OnsiteFull Time
12+ YOEKubernetes SRE with deep systems engineering, customer advocacy, IaC, observability, and strong scripting skills.
Kubernetes, vSphere, Terraform, Helm, GitOps (ArgoCD or Flux), Prometheus, Grafana, Jaeger, OpenTelemetry, Bash, Python
1mo
Save
Mark Applied
Hide
Manager, Statistical Programming
Parsippany, New Jersey, United States
$103k-$140k/yr OnsiteFull Time
2+ YOEBachelor’s degree or higher in a relevant field; minimum 2+ years SAS programming in clinical research; expert in CDISC SDTM/ADaM; strong communication and collaboration skills.
SAS, R, Python, CDISC SDTM, CDISC ADaM, EDC, Regulatory_submissions
2mo
Save
Mark Applied
Hide
Frontend Engineering Manager
New York, New York, United States
$150k-$190k/yr HybridFull Time
Experience leading frontend teams, strong React and TypeScript expertise, architectural guidance, Agile collaboration, and hands-on leadership.
React, TypeScript, Python, Django, Stripe, Agile, Kanban
4w
Save
Mark Applied
Hide
Applied AI Architect
New York or Charlotte
HybridFull Time
Proven production AI/ML deployments, enterprise customer engagement, complex system scope and risk management, and strong cross-functional collaboration and communication.
Python, APIs, LLM, Cloud platforms, Data platforms, SQL
1mo
Save
Mark Applied
Hide
Lead AI Solutions Architect - Full Stack
Princeton or Glen Allen or Coppell or Waltham or Philadelphia or Riverwoods or New York City or Chicago or Houston
$129k-$226k/yr HybridFull Time
10+ YOELeadership-focused AI solutions architect with 10+ years in full-stack engineering, GenAI/Agentic AI, data science, AI/ML, and applied AI engineering; proven leadership and mentoring experience.
Python, FastAPI, Angular, React, LangChain, LlamaIndex, SQL, NoSQL, Azure, AWS
1mo
Save
Mark Applied
Hide
Associate
Austin or Bridgewater or Charlotte or Hartford or Phoenix or Raleigh or Richardson
$65k/yr OnsiteFull Time
0+ YOEBachelor’s degree in CS/IT or related field; recent graduates; SDLC training; multiple US locations; no visa sponsorship.
Java, Python, C/C++
3w
Save
Mark Applied
Hide
Member of Technical Staff (Frontend)
New York City, New York, United States
$170k-$270k/yr OnsiteFull Time
Anterior: AI platform for automating healthcare administrative workflows.
Frontend-focused engineer with cross-stack collaboration, React/HTMX expertise, strong UI/UX, and experience designing scalable backend services.
React, HTMX, TypeScript, Python, Go, AWS, Nix, CDKTF, Backend services, APIs, SQL
2mo
Save
Mark Applied
Hide
Head of Forward Deployment Engineer (FDE)
New York or Berlin
$240k-$330k/yr HybridFull Time
12+ YOE4+ Mgmt10-15+ years in customer-facing software engineering, 4+ years leading engineering delivery, building/scaling forward-deployed or solutions teams, enterprise delivery track record, breadth across backend/cloud/IaC/integrations, strategic product thinking, hands-on, operational excellence, executive presence.
TypeScript, Node.js, Python, Microsoft Azure, Kubernetes, Terraform, ArgoCD, MongoDB
2mo
Save
Mark Applied
Hide
Senior Electronic Algorithmic Trading Quantitative Analyst
New York, New York, United States
$234k-$251k/yr OnsiteFull Time
2+ YOESenior level experience in algorithmic trading, quantitative research, data analysis, and software development; strong Java and Python; knowledge of market microstructure; experience with low-latency strategies; degree in CS/Math/Engineering.
Java, Python, SQL, KDB, Onetick, Tableau, Power BI
2mo
Save
Mark Applied
Hide
Quantitative Analyst Role, Commercial Real Estate
New York, New York, United States
$125k-$150k/yr OnsiteFull Time
3+ YOEBachelor's in a quantitative field; 3-10 years in software development or quant finance; strong Python/R; cloud experience; DB/Big Data; financial application experience; strong communication and analytical skills.
Python, R, AWS, Azure, GCP, SQL, NoSQL, Spark
1mo
Save
Mark Applied
Hide
AI Development Lead
United States or Jupiter or New York or Arlington or Boulder or Chicago or Atlanta or Boston
$118k-$196k/yr RemoteFull Time
7+ YOE2+ MgmtSeven+ years delivering AI/software/data solutions; two+ years in leadership; hands-on Generative AI in cloud; Python with AI/LLMs; Agile/DevOps delivery; strong communication.
Python, LangChain, LangGraph, AWS, Azure, SageMaker, Bedrock, LLMs, APIs, SDKs
1mo
Save
Mark Applied
Hide
Member of Technical Staff, Safety for Agents
London or New York or Edinburgh or Toronto or Paris or Montreal
HybridFull Time
Strong ML, software engineering, data collection, evaluation, and collaboration skills; experience with LLMs and distributed training; publications in top venues preferred.
Python, PyTorch, TensorFlow, JAX
1mo
Save
Mark Applied
Hide
Senior Scientist II, Applied Machine Learning and Agentic AI, Pharma R&D
New York City, New York, United States
$115k-$175k/yr OnsiteFull Time
5+ YOEPhD (or Masters with 5+ years) in AI/ML with oncology or biomed data; expertise in agentic AI, LLMs, and multimodal data; strong software and communication skills.
Python, LangGraph, LLM, RAG, Git, Multimodal Modeling, Healthcare Data
2w
Save
Mark Applied
Hide
Director Product Development
Secaucus, New Jersey, United States
$153k-$256k/yr OnsiteFull Time
10+ YOE10+ Mgmt10+ years managing technical staff; 8+ years software development; BS in CS; 5+ years with 3rd party/offshore teams; cloud, microservices, DevOps, Agile; strong leadership and communication.
Java, Python, .Net, JavaScript, Angular, Typescript, Cloud, Kubernetes, Docker, Helm, Git, Azure DevOps, Terraform, Ansible, SonarQube
1mo
Save
Mark Applied
Hide
Associate Director, Biostatistics - Genetic Medicine
Tarrytown or Warren or Cambridge
$176k-$287k/yr OnsiteFull Time
6+ YOEPhD or equivalent in statistics/biostatistics with >6 years in pharma OR MS in statistics/biostatistics with >11 years; hematology/IO experience preferred; TTE experience; strong leadership and collaboration skills; proficient in statistical software.
SAS, R, Python
HiringCafe market data
Python Software Developer Jobs market signals in Plainfield, NJ, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
1,800+
Hiring companies
640+
Fresh sample
42% new in 30d
Salary visibility
70% show pay
Companies appearing in this market
Princeton UniversityInfosysAcxiomAndersenAnteriorBroadcomCapital GroupCast & Crew
Work location mix in visible results
Onsite: 24Hybrid: 15Remote: 4