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Backend Python Developer Jobs in Colonia, NJ, US
330+ backend python developer jobs from 200+ companies hiring in Colonia, NJ, US.
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Software Engineer, Portfolio Engineering
New York, New York, United States
$170k-$220k/yr HybridFull Time
5+ YOE5+ years backend experience in Java; distributed systems; REST/WebSocket; SQL; cloud (AWS/GCP).
Java, Python, SQL, REST, WebSocket, AWS, GCP
2mo
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Senior Machine Learning Engineer
New York, New York, United States
$170k-$220k/yr OnsiteFull Time
4+ YOEBachelor’s degree in a technical field with 4+ years in production software/ML; or Master’s/PhD in a technical field with 2+ years in production software/ML. Proficient in Python (ML), SQL; backend (FastAPI); experience with ML models and data pipelines.
Python, FastAPI, SQL, pandas, scikit-learn
1mo
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Software Engineer
New York City, New York, United States
$100k-$150k/yr HybridFull Time
Professional software engineer with strong frontend fundamentals, experience across frontend and backend, API integration, collaboration with product/design, and a Bachelor's degree in Engineering or Computer Science; able to debug across stack.
AWS, Go, Linux, Kubernetes, MySQL, PostgreSQL, PostGIS, Elasticsearch, Redis, Git, Docker, JavaScript, Node.js, React, GraphQL, REST, Python
3mo
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Senior Software Engineer
Austin or San Francisco or New York
$180k-$260k/yr HybridFull Time
5+ YOESenior software engineer with 5+ years in distributed systems, REST APIs, frontend/backend, cloud, and regulated environments.
Python, TypeScript, Node.js, React, AWS, Docker, Kubernetes, Terraform, Ansible, Git, SQL, NoSQL, CloudFormation, DataDog, Prometheus, Grafana, FDA 21 CFR Part 11, SOC2
3w
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Senior Full Stack Software Engineer - Credit Card
New York, New York, United States
$152k-$200k/yr RemoteFull Time
5+ YOE5+ years software engineering; frontend React (TypeScript preferred); backend Java/Node.js/Go/Python; REST APIs; AWS; containers; Agile/Scrum; CI/CD.
React, TypeScript, Java, Node.js, Go, Python, Kafka, SQS, PostgreSQL, DynamoDB, AWS, Docker, Kubernetes, CI/CD
3w
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Senior Data Engineer
New York City, New York, United States
$180k-$270k/yr OnsiteFull Time
4+ YOE4–7 years data engineering/backend experience; strong SQL; Python; AWS; data platform development; data modeling; production pipelines; collaboration with product and engineering teams.
SQL, Python, AWS
1mo
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Senior Full Stack Engineer - PHP/Laravel/Vue/React Native | Remote
Brooklyn, New York, United States
$120k-$160k/yr RemoteFull Time
4+ YOE4+ years software engineering; expertise in PHP, Python, JavaScript/TypeScript; strong backend (Laravel) and frontend (Vue/React Native); relational DBs; automated testing; strong code quality.
PHP, Laravel, Vue.js, Inertia.js, Tailwind, React Native, Python, Terraform, AWS, Jenkins, MySQL, PostgreSQL, SQS, Redis, Docker
1d
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Senior Data Engineer
San Francisco or Denver or New York City
$110k-$130k/yr HybridFull Time
3+ YOE3–5+ years with OO languages; Python for data tasks; data architectures; private markets experience; CI/CD; SQL/PostgreSQL; AWS/Azure/GCP; Git/GitHub; Jira; backend/frontend development.
TypeScript, C#, Java, Python, PostgreSQL, AWS, Azure, GCP, Git, GitHub, JIRA, Kafka, WebSockets, Medallion Architecture, Data Lakes
2mo
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Senior Machine Learning Engineer, AI Agents for Science, AI for Drug Discovery
New York City or South San Francisco
$160k-$297k/yr HybridFull Time
4+ YOE4–7+ years in agent systems, backend engineering, or equivalent; BS/MS or PhD with relevant experience; strong Python and distributed systems skills.
Python, FastAPI, asyncio, distributed systems, containerized environments, vector databases, machine learning, LLMs, RDKit, Biopython
2mo
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Staff AI Systems Engineer
United States or New York City or Boston or Chicago or Denver or Los Angeles or San Francisco or Austin
$200k-$225k/yr RemoteFull Time
5+ YOE5+ years building and shipping ML systems; strong backend Python/JS; experience with LLM agents, ML platforms, cloud infra; observability and evals; remote work capable.
LangChain, LangGraph, vLLM, OpenAI API, Gemini API, Anthropic API, MCP, Postgres, Redis, Prometheus, Grafana, OpenTelemetry, LangSmith, Langfuse, TensorRT, PyTorch, Kubernetes, Terraform, Express, FastAPI, REST, SSE, JWT, AWS
1mo
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Staff Software Engineer, Data Platform
New York, New York, United States
$180k-$275k/yr HybridFull Time
Zocdoc: Marketplace for finding and booking local or virtual healthcare.
8+ YOE8+ years in data engineering or backend platform development; strong Python and SQL; experience with distributed data systems and lakehouse architectures.
Python, SQL, Spark, Databricks, Delta Lake, Iceberg, Snowflake, Kafka, Kinesis
1mo
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Senior Full Stack Engineer
New York, New York, United States
$125k-$185k/yr HybridFull Time
7+ YOE7+ years software engineering; strong IoT experience; backend, frontend, and infra skills; IoT protocols; data pipelines.
LoRaWAN, MQTT, Kafka, TypeScript, JavaScript, Python, PostgreSQL, Docker, Kubernetes, Grafana, Prometheus, ChirpStack
2w
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Senior Software Engineer
Redmond or Mountain View or New York
$120k-$235k/yr OnsiteFull Time
4+ YOEBachelor's in CS or related field plus 4+ years engineering experience; OR equivalent. Master's preferred with 6+ years. Backend/security focus in identity/authorization.
C, C++, C#, Java, JavaScript, Python
1mo
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Senior Engineer, AI Engineering
New York, New York, United States
$190k-$200k/yr OnsiteFull Time
4+ YOE4+ years building and deploying AI-powered systems; strong backend and cloud experience; real-world AI apps; relational DBs; cloud CI/CD; degree in CS/Engineering.
React, LangGraph, LangChain, Python, PostgreSQL, MySQL, AWS, GCP, Azure, REST
3w
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Platform Engineer
New York, New York, United States
$170k-$220k/yr HybridFull Time
5+ YOE5+ years backend/platform/infrastructure engineering; experience with Docker, Kubernetes, Postgres, TypeScript/Python; strong in CI/CD, observability, and edge/cloud deployments.
Docker, Kubernetes, PostgreSQL, OpenTelemetry, TypeScript, Python, Cloudflare, S3, R2
2mo
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Software Engineer - Staff
New York, New York, United States
$180k-$225k/yr OnsiteFull Time
8+ YOE8+ years of software engineering; strong system design, API design, and data modeling; expert in modern web stack (React/Next.js/TypeScript); backend with Python/Django or Node.js; cloud hosting (Azure); CMS/ content delivery (Optimizely); CI/CD; observability; secure engineering; mentoring.
React, Next.js, TypeScript, Python/Django, Node.js, Optimizely, Graph CMS, Azure, Vercel, GitHub Actions, Azure DevOps, Application Insights, Datadog
2mo
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Senior Staff Software Engineer
Boston or Brooklyn or San Francisco or Washington
$225k-$265k/yr HybridFull Time
12+ YOE12+ years backend or data-driven software; cloud deployments; lead engineers; strong communication; ownership of architecture and delivery.
Python, TypeScript, SQL, Docker, Git, Kubernetes, FastAPI, AWS, Azure, MLFlow, Temporal, Postgres, Databricks, OpenSearch
3w
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API Ecosystem Engineer
New York, New York, United States
OnsiteFull Time
4+ YOE4–6+ years engineering in API-first or service-focused environments; strong TypeScript backend; REST/GraphQL APIs; OAuth 2.0; SDKs; AI tooling awareness; collaboration with partners across functions.
TypeScript, Node.js, Python, REST, GraphQL, OAuth 2.0, SDKs
3w
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Staff Machine Learning Engineer, AI Agent Platform
New York City or Palo Alto or Bethesda or Seattle
$115k-$260k/yr HybridFull Time
6+ YOE6+ years designing, implementing multi-tenant AI/ML systems; cloud (Azure/AWS); backend (Kubernetes, Temporal, OpenSearch, PostgreSQL, Redis, Neo4j);Docker; Python/Java/Go; AI/ML frameworks (TensorFlow, PyTorch); experience with MCP/A2A is a plus.
Azure, AWS, Kubernetes, Temporal, OpenSearch, PostgreSQL, Redis, Neo4j, Docker, Prometheus, OpenTelemetry, Python, Java, Go, TensorFlow, PyTorch, LangGraph, CrewAI, AutoGen, AKS, FastAPI
5d
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Senior Data Engineer
New York, New York, United States
$150k-$180k/yr HybridFull Time
5+ YOE5+ years in data engineering/backend with Python and SQL; strong data modeling; experience with data pipelines and quality.
Python, SQL, Airflow, Kubernetes, AWS, GCP, Azure
3mo
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Safety Engineer
Bangalore or Dublin or London or New York or San Francisco or Tokyo or Warsaw
RemoteFull Time
6+ YOE6+ years backend engineering; production systems; Python; AWS/GCP; Docker/K8s; observability; 0→1 product deployments; ML/AI systems integration
Python, AWS, GCP, Docker, Kubernetes, Prometheus, Grafana, Kafka, Redis, React
2w
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Senior Software Engineer, Applied ML
New York, New York, United States
$200k-$250k/yr OnsiteFull Time
5+ YOEBackend software engineer with ML experience; 5+ yrs experience; 2+ yrs ML in production; JVM language; cloud, databases; collaboration.
Java, Scala, Python, AWS, GCP, MongoDB, Spanner, Pub/Sub, Dataflow, BigQuery, Kubernetes
1w
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Software Engineer (New York, NY, US, 10036)
New York, New York, United States
$110k-$145k/yr HybridFull Time
2+ YOE2+ years software engineering; backend services/APIs/tools; familiarity with AI tooling and cloud platforms; strong problem-solving and teamwork.
Java, Kotlin, Python, LLMs, GitHub Copilot, Docker, Kubernetes, AWS, GCP, Azure, CI/CD, Embeddings, RAG
2mo
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Data Engineer
Boston or New York City
OnsiteFull Time
4+ YOE4–7+ years data/backend engineering; ownership of production data systems; strong Python/SQL; cloud experience; US person; willingness to relocate to Boston or NYC.
Python, SQL, Airflow, Prefect, Dagster, Temporal, AWS, GCP, Azure, Postgres, Snowflake, BigQuery, S3
1mo
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Staff Full Stack Engineer, GTM Systems
Austin or Chicago or Washington or New York
$214k-$245k/yr HybridFull Time
8+ YOE8+ years of full-stack software engineering; React/TypeScript; backend/DB; AI tooling and LLMs; internal platforms; deployment platforms.
React, TypeScript, Next.js, Python, FastAPI, PostgreSQL, Supabase, Vercel, OpenAI API, GitHub Copilot
1mo
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Lead Mobile Platform Engineer
New York City or Boston
$160k-$220k/yr HybridFull Time
5+ YOE5+ years software engineering across mobile, backend, and infrastructure; Kubernetes, Terraform; Kotlin/Android, Swift; HIPAA security; cloud (GCP/AWS); BS CS/ENG.
Kotlin, Swift, Android, iOS, Kubernetes, Terraform, Pulumi, TLS, OIDC, HIPAA audit logging, Prometheus, Grafana, Dagster, Prefect, Docker, MongoDB, AWS, GCP, Python, TypeScript/Node.js
1mo
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Senior Data Engineer
Mexico City or New York City
OnsiteFull Time
5+ YOE5+ years in data engineering or backend software roles; strong Python and SQL; ETL/ELT pipelines; cloud data warehouses; CI/CD; collaboration with analytics and ML teams.
Python, SQL, Airflow, dbt, AWS, S3, Glue, EMR, Athena, Presto, Redshift, BigQuery, Snowflake, Spark, CI/CD
2w
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RevOps Engineer
New York City, New York, United States
$120k-$170k/yr OnsiteFull Time
3+ YOE3–6 years in backend, internal tools, or technical RevOps; strong SQL and scripting (Python/TypeScript); experience with CRM platforms (Salesforce, HubSpot, Attio); API work, data models, automation, and reliable workflows.
SQL, Python, TypeScript, Salesforce, HubSpot, Attio, APIs, Automation, ETL
1w
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Staff Software Engineer
Oakland or Atlanta or New York
$107k-$200k/yr HybridFull Time
8+ YOE8+ years of software engineering; Python (Django/FastAPI), backend and distributed systems; AWS, Kubernetes; observability tools; degree or equivalent experience; eligible to work in the U.S.
Python, Django, FastAPI, AWS, Kubernetes, Datadog, Sentry, Grafana, Kafka, Airflow, Celery, Google Ad Manager
2w
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Lead AI Engineer
Chicago or New York or Fort Lauderdale or Birmingham
$138k-$172k/yr HybridFull Time
3+ YOEBachelor’s degree or equivalent; 3-5 years ML production experience; 3-5 years Python; 3-5 years frontend; SQL DB design; distributed/cloud computing; minimal travel.
Python, SQL, Frontend, Backend, Cloud computing, Distributed systems, Flask, FastAPI
1mo
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Client-Facing Engineer
New York, New York, United States
OnsiteFull Time
Encord: Data infrastructure for training and evaluating physical AI systems.
2+ YOE2–4 years in a technical, client-facing role in a B2B SaaS environment; proficient in Python and SQL; strong communication; experience with backend systems; cross-functional collaboration.
Python, SQL, REST APIs, SDKs
3w
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Sr. Full Stack AI Engineer
Hartford or Columbus or Chicago or Charlotte or New York City
$128k-$191k/yr HybridFull Time
10+ YOE10+ years software engineering; 5+ years full stack delivery; Bachelor’s in CS/SE or related; expert frontend/backend; cloud/DevOps; data stores; API/AI tools; testing; architecture; leadership.
React, Angular, Vue.js, Java, Spring Boot, Node.js, Python, .NET, AWS, GCP, Azure, Docker, Kubernetes, Jenkins, GitHub Actions, GitLab CI, REST, GraphQL, gRPC, Kafka, RabbitMQ, OpenAI, Copilot, Vertex, Bedrock, LangChain, Semantic Kernel, CrewAI, CloudFormation, Terraform, SQL, PostgreSQL, MongoDB, DynamoDB, Redis, OpenAI API, LLM APIs
1mo
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Lead Voice Infrastructure Engineer
San Francisco or New York City
$185k-$250k/yr HybridFull Time
Senior engineer with experience building distributed telephony systems, SIP/RTP, WebRTC, and AI-enabled voice pipelines; strong backend skills in Go/Python/C/C++.
Go, Python, C, C++, WebRTC, SIP, RTP, VoIP, DTMF, APIs, AI pipelines
1mo
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Sr. Brokerage Investment Custodial Data Engineer
New York, New York, United States
$123k-$157k/yr HybridFull Time
3+ YOE3+ years in data engineering/backend engineering; custodial data, Python, SQL, ETL; fintech/wealth management experience.
Python, SQL, ETL, Airflow
1mo
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Sr Data Quality Engineer - SDET
New York or Los Angeles or San Francisco
$140k-$170k/yr HybridFull Time
5+ YOE5+ years in data quality, data engineering, or backend engineering with automated testing and data validation; strong Python and SQL; pytest; Airflow/Databricks; Great Expectations is a plus; BS/MS in CS/Engineering or related field.
Python, SQL, Airflow, Databricks, Great Expectations, pytest
3w
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Member of Technical Staff - X Money
New York or Palo Alto
$180k-$440k/yr HybridFull Time
2+ YOEDistributed systems expertise; 2+ years in large-scale consumer apps; proficiency in Rust, Go, Python, Java; backend and microservices focus; collaboration across platform teams.
Rust, Go, Python, Java
1d
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Tech Consulting - Full-Stack Java Developer - Senior - Multiple Locations (Los Angeles, CA, US, 90017-5418)
Los Angeles or New York City or Hoboken or San Francisco or San Jose or Seattle or Boston or Chicago or St. Louis or Philadelphia or Dallas or Houston or Irvine or San Diego or Portland or Denver or Minneapolis or Nashville or Phoenix or Pittsburgh or McLean or Atlanta or Charlotte or Detroit or Columbus or Cleveland or Akron or Miami
$103k-$188k/yr HybridFull Time
3+ YOE3+ years software engineering; Bachelor's in CS or related field; proficient in at least one modern backend language; full-stack experience; REST APIs; React/Angular or similar; Git; cloud familiarity; travel up to 25%.
Python, Java, JavaScript, TypeScript, React, Angular, Git, Node.js, Spring, .NET, Docker, Kubernetes, REST APIs
2mo
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Sr. Manager/ Director AI Software Engineer
New York or Toronto
HybridFull Time
8+ YOE3+ Mgmt8-12+ years full-stack exp; 3+ years in leadership; experience with AI design tools and workflow automation; strong frontend (React/Vue/Nuxt) and backend (Python/NodeJS/PHP); design systems with Figma; cloud platforms; API design.
v0.dev, bolt.new, Lovable, N8N, React, Vue, Nuxt, TypeScript, Python, PHP, NodeJS, Tailwind, AWS, Azure, GCP, OAuth, JWT, Figma, Supabase, REST, GraphQL, Jira
2mo
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Partner Solutions Engineer
New York, New York, United States
$140k-$200k/yr OnsiteFull Time
3+ YOE3+ years in a technical role with API experience; external stakeholder collaboration; strong integration strategy; ownership and cross-team communication.
APIs, Python, Backend
2mo
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Principal Agentic AI Engineer
New York or San Francisco
$220k-$250k/yr HybridFull Time
10+ YOE10+ years backend and AI systems; strong Java or Go; hands-on with LLMs and agentic patterns; experience with RAG, tooling, observability; cloud proficiency (AWS).
Java, Go, Python, AWS, LLMs, RAG, embeddings, tool use, context assembly
HiringCafe market data
Backend Python Developer Jobs market signals in Colonia, 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
330+
Hiring companies
200+
Fresh sample
45% new in 30d
Salary visibility
88% show pay
Companies appearing in this market
ParamountTWG GlobalZocdocMicrosoftStuutUpsideZeta GlobalAdobe
Work location mix in visible results
Hybrid: 27Onsite: 19Remote: 5