Python Developer Jobs in Plainfield, NJ, US

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Full Stack Java Developer (Associate)

New York, New York, United States

$90k-$150k/yr OnsiteFull Time

Morgan StanleyNYSE: MS: Provides investment banking, wealth management, and financial services.

3+ YOE3–5 years of hands-on full stack development with Java and Angular; proficiency in Python/SQL; cloud/data/analytics experience a plus; GenAI/Copilot exposure a plus.

Java, Angular, Python, SQL, Cloud, GenAI, Copilot, Power BI

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Senior Software Engineer

New York, New York, United States

$245k-$360k/yr OnsiteFull Time

Rokt: Provides AI-driven personalization for ecommerce transaction checkouts.

3+ YOE3-5+ years of commercial software development; strong in Java, C#, Python, JavaScript, or Go; cloud platforms (AWS/GCP/Azure) and Kubernetes; AI fluency; strong problem solving, communication, and ownership.

Java, C#, Python, JavaScript, Go, AWS, GCP, Azure, Kubernetes

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1mo

Senior AI Engineer

South San Francisco or Princeton or Thousand Oaks or Bellevue or New York

HybridFull Time

ZS: Global management consulting and technology firm for healthcare and life sciences.

AI Engineer with software development and LLM solution experience; strong Python, LLM patterns/tools, cloud platforms (AWS, Databricks, Azure), and DevOps; design and deliver scalable software; cross-functional collaboration.

Python, Javascript, FastAPI, Django, AWS, Databricks, Azure, Terraform, CloudFormation, React, Next.js, Tailwind CSS, LangChain, DSPy, Docker, Kubernetes, Redis, Unity Catalog, OpenAI API, Anthropic, AWS Bedrock, RAG, Vector DB, PEFT, LoRA

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Senior AI Engineer

Iselin, New Jersey, United States

HybridFull Time

AnsellASX: ANN: Manufactures and distributes personal protective equipment and safety solutions.

9+ YOESenior AI Engineer with AI/ML, Generative AI, LLMs, cloud-native apps; strong Python/Java; experience with TensorFlow, PyTorch, Transformers; design and develop enterprise software; lead technical solutions.

Java, Python, Node.js, Angular, TypeScript, TensorFlow, PyTorch, Hugging Face Transformers, AWS, Azure, Docker, Kubernetes, MongoDB, PostgreSQL, Redis

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1mo

Software Engineer - 2027 New Grads

New York, New York, United States

$150k-$200k/yr HybridFull Time

Ellipsis Labs: Develops decentralized finance protocols and high-performance blockchain infrastructure.

Hands-on software development experience in TS/JS, Python, Rust, Java, or C/C++; strong CS fundamentals; Git and debugging; business context aware; curiosity about DeFi/crypto.

TypeScript, JavaScript, Python, Rust, Java, C/C++, Git, Docker, CI/CD

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Senior Software Engineer

Redmond or New York

$120k-$235k/yr OnsiteFull Time

Microsoft: Provides software, cloud computing, and hardware technology products.

4+ YOEBS in CS or related field and 4+ years of software engineering; proficient in C, C++, C#, Java, JavaScript, or Python; experience with Windows development, CI/CD, and security practices; willing to undergo security screenings.

C, C++, C#, Java, JavaScript, Python, .NET, Win32 API, WinUI3, UWP, CI/CD, Telemetry, Windows development

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1mo

Sr. Engineer - Systematic

Chicago or New York City

$150k-$250k/yr HybridMultiple Commitments Available

Chicago Trading Company: Proprietary trading firm specializing in derivatives and risk management.

Senior engineer with Python expertise, experience on systematic trading desks, and ability to translate trader strategies into technical solutions.

Python, asyncio, pandas, NumPy

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1mo

Senior Software Engineer, Developer Productivity

New York City or Menlo Park

$150k-$273k/yr RemoteFull Time

Prophet Security: Software platform for automating cybersecurity threat investigation and response.

5+ YOE5+ years software engineering; 2+ years in DevOps/platform/infrastructure; CI/CD at scale; Python and/or Go; automated testing for distributed systems; containerization (Docker, Kubernetes); strong debugging; cross-functional collaboration; clear communication.

Python, Go, GitHub Actions, CircleCI, ArgoCD, Docker, Kubernetes, Testing frameworks, Terraform, Pulumi, Datadog, OpenTelemetry

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2mo

Senior Software Engineer, Platform

New York, New York, United States

$165k-$226k/yr HybridFull Time

Savvy Wealth: Digital platform for wealth management and financial advisory services.

5+ YOE5+ years in software engineering with infrastructure/platform or developer experience; strong cloud (AWS), Docker, Terraform; CI/CD (GitHub Actions); observability (Datadog); scripting (Ruby/Python/Bash/Go); Rails and frontend tooling; strong communication.

AWS, Docker, Terraform, GitHub Actions, Datadog, Ruby, Python, Bash, Go, Ruby on Rails, Jest, Vitest, Playwright

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Senior Backend Software Engineer - Application Development

New York, New York, United States

$135k-$200k/yr HybridFull Time

PalantirNasdaq: PLTR: Developing software platforms for data integration and analytics.

6+ YOE6+ years backend development; API design; distributed systems; CS/Math/Engineering background; proficient in Java/C++/Python/Rust/Go; strong communication.

Java, C++, Python, Rust, Go, Kafka, Cassandra, Elasticsearch, Spark, Docker, Kubernetes, Gradle, GitHub

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Senior Software Engineer, AI Solutions

New York, New York, United States

$121k-$142k/yr HybridFull Time

Uncommon Schools: Provides K-12 education through a network of charter schools.

7+ YOE7+ years software development; 5+ years API integrations; experience with CI/CD; Python/SQL/JavaScript/TypeScript; strong security and data handling; mentoring.

Python, SQL, JavaScript, TypeScript, Node.js, GitLab, LangChain, LlamaIndex, TensorFlow, PyTorch, AWS Bedrock, SageMaker, Google Cloud Vertex AI, dbt, Airflow

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2mo

GTM Engineer

New York, New York, United States

OnsiteFull Time

Sapien: AI platform for autonomous corporate financial analysis and reporting.

Full-stack experience with React, TypeScript, Python, SQL; customer-facing experience; pragmatic, ownership mentality.

React, TypeScript, Python, SQL

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1mo

Backend Engineer

New York City, New York, United States

$125k-$225k/yr OnsiteFull Time

Airbase: Automated radio frequency spectrum licensing and coordination software platform.

Strong Python backend, event-driven architectures, cloud/Kubernetes, secure services; experience with distributed systems.

Python, Kafka, Kubernetes, Rust

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2mo

Software Engineer

New York City, New York, United States

$160k-$250k/yr HybridFull Time

Finch Legal: Automates pre-litigation workflows for personal injury law firms.

3+ YOE3+ years building production software; full-stack experience; Python and React; clean, maintainable code.

Python, React, Django, AWS, OpenAI API

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Volatility Trading Developer

New York, New York, United States

$125k-$150k/yr OnsiteFull Time

Walleye Capital: Multi-strategy investment firm specializing in quantitative and volatility strategies.

Bachelor’s in quantitative field; strong Python/Java/C++; SQL familiarity; problem-solving; trader-focused mindset.

Python, Java, C++, SQL

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2mo

Senior Software Engineer, Wallets

New York, New York, United States

$170k-$260k/yr OnsiteFull Time

Stellar Development Foundation: Develops an open-source blockchain network for global financial access.

5+ YOE5+ years of software development; strong CS fundamentals; proficient in Go, Python, Rust, C#, Java, or C++; experience with distributed systems and scalable web services; strong communication and product mindset.

Go, Python, Rust, C#, Java, C++, NodeJS

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2mo

Vice President, Platform Engineer | Senior Engineer II

New York, New York, United States

$162k-$215k/yr HybridFull Time

BlackRockNYSE: BLK: Provides investment management, risk analytics, and advisory services globally.

7+ YOESeven plus years of software engineering experience; BS/MS in Computer Science; strong Java, Python and Golang; UI development; Linux; authentication/authorization (OAuth2/OpenID, mTLS, TLS); APIs, gRPC, Protocol Buffers; identity providers (Keycloak/Okta/Azure AD); Kubernetes; open source mindset; testable software.

Java, Python, Golang, Cassandra, Solr, Redis, Kafka, Kubernetes, OAuth 2.0/OpenID Connect, mTLS, TLS/SSL, Protobuf, gRPC, Keycloak, Okta, Azure AD, SAML, JWT

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1mo

Senior Generative AI Engineer

Ridgefield Park, New Jersey, United States

$11k/mo OnsiteContract

SBT Global: Provides integrated IT consulting and global logistics management services.

5+ YOE5+ years software engineering or AI experience; 2+ years deploying Generative AI/LLM systems; strong Python; LLM development; cloud and MLOps experience.

Python, LangChain, LlamaIndex, Semantic Kernel, OpenAI, Anthropic, Azure OpenAI, AWS Bedrock, vector databases, Pinecone, Weaviate, Chroma, FAISS, Elasticsearch, Azure AI Search, AWS, GCP, Azure, Docker, Kubernetes, CI/CD, PyTorch, TensorFlow, JAX, MLflow, SageMaker, Vertex AI, Kubeflow, OpenAI API

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2026 AI Engineer Intern, Long/Short Equities

New York, New York, United States

$130k-$145k/yr OnsiteInternship

Point72: Global multi-strategy asset management and investment advisory firm.

Pursuing CS/CE degree; strong Python; SQL; AI model experience; dashboards/tools development; internship experience a plus.

Python, SQL, JavaScript/TypeScript, Data Visualization, Cloud-based development, Dashboard development, Internal tooling

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1mo

Fullstack Engineer

New York, New York, United States

$180k-$210k/yr HybridFull Time

Cloaked: Provides virtual identities and payment cards for online privacy.

Frontend and backend engineer skilled in React and Python, with API design, scalable backend systems, and CI/CD practices.

React, Python, Django, Django REST Framework, HTML, CSS, REST APIs, CI/CD, Databases, ORMs

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Staff Engineer

New York City, New York, United States

$146k-$272k/yr HybridFull Time

Warner Bros. DiscoveryNasdaq: WBD: Produces and distributes multimedia entertainment content and news worldwide.

8+ YOE8+ years in software engineering; Java/Scala/Python; cloud platforms; AdTech; API-first; data processing.

Java, Scala, Python, AWS, GCP, Azure, Spark, Kafka, SQL, NoSQL

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AI Engineer

New York City or San Francisco or Columbus or Remote

RemoteFull Time

ReadMe: Platform for creating interactive developer hubs and API documentation.

Experience building with LLMs in production; strong JS/TS or Python; familiarity with embeddings, retrieval, and API-driven systems.

JavaScript, TypeScript, Python, OpenAPI, JSON, LLMs, Embeddings, Retrieval systems, APIs

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Forward Deployed Engineer

New York City or San Francisco

$180k-$300k/yr OnsiteFull Time

Hebbia: AI platform for financial research and document analysis.

5+ YOE5+ years software development; full-stack across APIs, data pipelines, frontend, or infrastructure; AWS; Python, TypeScript, Go; data integrations and enterprise data systems; customer-facing engineering experience; finance/domain knowledge a plus.

AWS, Python, TypeScript, Go, Snowflake, SharePoint, S3

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Quantitative Developer | Trading team

New York City or Chicago

OnsiteFull Time

Jump Trading: Global proprietary trading firm specializing in algorithmic and high-frequency strategies

2+ YOE2+ years coding experience with measurable impact; Python and/or C++ proficiency; Linux production engineering; CI/CD and infrastructure knowledge.

Python, C++, Linux, CI/CD, Docker, Kubernetes, Terraform, Ansible, GitLab, Jenkins, Prometheus, Grafana

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Senior Software Engineer, Academics

New York, New York, United States

$152k-$209k/yr HybridFull Time

Flatiron HealthSIX Swiss Exchange: ROG: Provides oncology software and clinical data for cancer research.

6+ YOESenior software engineer with 6+ years experience in software development; proficient in Python, C++, SQL, Java, and R; experience with AWS, Snowflake, DBT, and Databricks; able to lead and collaborate in cross-functional teams.

Python, C++, SQL, Java, R, AWS, Snowflake, DBT, Databricks

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Senior Quant Developer

New York, New York, United States

$140k-$160k/yr OnsiteFull Time

Man GroupLondon Stock Exchange: EMG: Global alternative investment management and systematic trading services.

5+ YOE5+ years of software engineering; strong Python; Pandas/NumPy; AI/LLM tooling experience; financial services knowledge; production-grade code; Linux, Git; effective communicator; self-directed.

Python, TypeScript, Pandas, NumPy, Kafka, FastAPI, Flask, React, Kubernetes, Airflow, Streamlit, Tableau

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Senior Full Stack Developer (JS, AWS)

New York, New York, United States

RemoteFull Time, Contract

Capstone Integrated Solutions: Provides software engineering and cloud transformation for retailers.

5+ YOE5+ years full stack development; 2+ years AWS cloud; proficiency in React/Angular/Vue; Python/Node/TypeScript; REST APIs; CI/CD; serverless architecture.

AWS, Lambda, API Gateway, SES, QuickSight, Bedrock, Amplify, S3, CloudFront, Python, Node.js, TypeScript, React, Angular, Vue, CMIC ERP

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2mo

GTM Engineer

New York, New York, United States

$140k-$175k/yr HybridFull Time

GlossGenius: Business management and payment platform for beauty professionals.

4+ YOE4+ years in technical roles; strong Python/SQL; OpenAI API and LangChain experience; CRM and sales tech familiarity.

Python, SQL, OpenAI API, LangChain, Salesforce, HubSpot, Gong, Outreach, Salesloft, Snowflake, BigQuery, Fivetran, Node.js

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1mo

AI Engineer

New York, New York, United States

$73k-$95k/yr HybridFull Time

Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.

Strong Python/JavaScript, React/Angular, LLMs, MLOps, cloud (Azure/AWS), data systems, and AI production experience.

Python, JavaScript, React, Angular, LangChain, LlamaIndex, LLMs, MLOps, Azure DevOps, OpenAI, Anthropic, Google Cloud, AWS, S3, Lambda, EC2, PostgreSQL, Redshift, Qdrant, Redis, Docker, Kubernetes, REST, GraphQL, CI/CD

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2mo

Cloud/C#/AI Developer (NY, New York)

New York, New York, United States

$150k-$175k/yr HybridFull Time

Reliant Safety: Provides security and property management technology for residential buildings.

2+ YOE2+ years of development; strong C#, Python, Java; cloud design/deployments (GCP/AWS); AI/ML experience; ML ops; security and APIs.

C#, Python, Java, Google Cloud Platform, AWS, TensorFlow, PyTorch, Vertex AI, SageMaker, CI/CD, MLOps, edge computing, REST APIs, security best practices

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3mo

Senior Full Stack Software Engineer

New York, New York, United States

$125k-$150k/yr OnsiteFull Time

CVector: AI platform optimizing industrial margins through real-time data fusion

5+ YOE5+ years experience with Python/TypeScript; degree or equivalent; strong frontend and backend development; remote-friendly; willingness to travel.

Python, TypeScript, React, Supabase, MQTT, Figma, Arco Design, TigerData, PostgreSQL, AWS, GitHub

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Senior Application Developer

New York, New York, United States

$145k-$155k/yr HybridFull Time

Empire State Realty TrustNYSE: ESRT: Owns and operates office, retail, and residential New York real estate.

5+ YOELead developer for enterprise systems; strong backend and frontend integration; AI/automation experience a plus; 5-7 years in application development; Real Estate/Attractions experience a plus.

Python, C#, Java, C++, Git, APIs, Salesforce, ETL, Tableau, Power BI, LLMs, AI, Automation

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AI Software Developer

New York, New York, United States

$125k-$200k/yr OnsiteFull Time

WorldQuant: Develops systematic investment strategies through quantitative research and data.

Strong Python programming; AI/ML knowledge; experience with databases and messaging; English communication; fast learner; no finance experience required.

Python, SQL, Redis, Kafka, LLMs, Vector databases

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Staff Backend Software Engineer

New York City, New York, United States

$220k-$250k/yr OnsiteFull Time

Tennr: Automates healthcare referral workflows using artificial intelligence.

7+ YOE7+ years backend development (TypeScript/Python); scalable apps; high-volume workflow automation; data processing; ML model integration; strong problem-solving and collaboration.

TypeScript, Python, Machine Learning, Data Processing, Event-Driven Architecture

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Senior Software Engineer - Build Tooling

New York or Connecticut

$142k-$199k/yr HybridFull Time

The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.

5+ YOE8+ years in software development; CI/CD experience; Python/Java/C++/C#; Linux/Unix; AWS; Kubernetes/Docker; IaC (Terraform/CloudFormation); GitOps; on-call readiness.

Python, Java, C++, C#, Bash, Powershell, GitLab CI, GitHub Actions, TeamCity, Jenkins, Argo, SonarQube, Linux, AWS, Docker, Kubernetes, Helm, Terraform, CloudFormation, GitOps, CI/CD

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Senior Software Engineer, Voice AI

Boston or New York or Remote

$138k-$221k/yr HybridFull Time

ToastNYSE: TOST: Cloud-based technology platform for the restaurant and hospitality industry.

5+ YOE5+ years fullstack web development; backend Java/Kotlin and Python; React frontend; AWS; Docker; Git; Figma to UI; scalable DB design; AI/LLM integration.

Java, Kotlin, Python, React, Tailwind, Bootstrap, AWS, Docker, Git, Figma

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2mo

Principal Software Engineer

New York City, New York, United States

$165k-$220k/yr HybridFull Time

Shiftsmart: Operates a marketplace platform for flexible hourly labor and shifts.

7+ YOE7+ years software engineering; strong JavaScript/TypeScript/Python; MERN stack; mentoring.

JavaScript, TypeScript, Python, Node.js, React, React Native, MongoDB, GCP

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Senior Software Engineer - Java, Angular

Johnston or Iselin or Westwood or Medford or Phoenix

$107k-$161k/yr OnsiteFull Time

Citizens Financial GroupNYSE: CFG: Provides retail, commercial, and private banking services to customers.

5+ YOE5+ years software development; 3+ years requirements gathering and design; strong collaboration; multi-language experience including frontend (Angular/React/Vue) and backend (Java/Python/JavaScript).

Java, Angular, Python, JavaScript, Golang, C, C++, Linux, AWS, Azure, GCP, CI/CD, Flowable, Banking

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Full-Stack Commerce Platform Engineer

New York or United States

$119k-$144k/yr HybridFull Time

DentsuTokyo Stock Exchange: 4324: Providing global advertising, digital marketing, and media communications services.

5+ YOE5+ years in full-stack software development; Python, FastAPI; React with TypeScript; Docker; API design; OAuth/OIDC; PostgreSQL.

Python, FastAPI, React, TypeScript, Docker, Docker Compose, PostgreSQL, OAuth 2.0, OIDC, RBAC, REST API