2d
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Senior Full-Stack Developer (React + Python/FastAPI)
Jersey City or Dallas or Tampa
$75k-$150k/yr HybridFull Time
6+ YOE7+ years full-stack experience with React, Python/FastAPI, SQL, Docker, and cloud; strong design, performance, security, and mentoring skills.
React, Python, FastAPI, SQL, Snowflake, Docker, Nginx, AWS EC2
4d
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Software Engineer
Toronto or New York City
RemoteFull Time
1+ YOE1-4 years full-stack web development experience; proficiency with TypeScript, React, Python/FastAPI, Postgres, AWS; experience with APIs, state machines, and customer-facing iteration.
TypeScript, React, Python, FastAPI, Postgres, AWS
12h
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GEN AI Engineer
Jersey City, New Jersey, United States
$90k-$120k/yr OnsiteFull Time
2+ YOEHands-on Python and API development (FastAPI/Flask), experience with LLMs, prompt engineering, RAG/agentic architectures, LangChain/Hugging Face/Llama Index, and model deployment.
Python, FastAPI, Flask, LangChain, Hugging Face, Llama Index, Gemini, PyTorch, TensorFlow, Keras, Docker, Git
1w
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Python Full Stack Developer
Boston or Princeton
$76k-$120k/yr OnsiteFull Time
Bachelor's or equivalent experience; strong Python and React JS skills; RESTful API development (FastAPI/Flask/Django); strong SQL/RDBMS knowledge; good communication and SDLC experience.
Python, React JS, FastAPI, Flask, Django, SQL Server, Oracle, PostgreSQL, MySQL, JavaScript
1mo
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Senior Software Engineer
New York City or Arizona or California or Colorado or Connecticut or Florida or Georgia or Maine or Maryland or Massachusetts or Michigan or Minnesota or New Jersey or New York or North Carolina or Oregon or Rhode Island or South Carolina or Tennessee or Texas or Virginia or Utah or Wisconsin
$165k-$185k/yr RemoteFull Time
8+ YOE8+ years backend experience with modern Python stack, leadership experience, proficiency in Postgres/SQLAlchemy, AWS, Terraform, FastAPI, React/TypeScript, observability, and familiarity with AI-assisted development.
Python, FastAPI, Pydantic, PostgreSQL, SQLAlchemy, Alembic, Temporal, Redis, AWS RDS, AWS S3, AWS SQS, AWS DynamoDB, AWS ECS, AWS IAM, Terraform, React, TypeScript, Claude Code
2mo
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Product Engineer
London or New York
HybridFull Time
4+ YOE4+ years software development; owned a subsystem end-to-end; strong Python; experience with AI/LLM workflows; translating customer ambiguity; self-motivated learner; familiar with Python, React/NextJS, FastAPI, MongoDB, Redis.
Python, React, NextJS, FastAPI, MongoDB, Redis
3w
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Senior Python AI/ML Developer
Jersey City, New Jersey, United States
OnsiteFull Time
8+ YOE8+ years software development experience, strong Python and OOP skills, experience with Django/Flask/FastAPI, REST APIs, relational and NoSQL databases, asynchronous processing, and Git.
Python, Django, Flask, FastAPI, PostgreSQL, MySQL, Oracle, SQL, MongoDB, DynamoDB, Redis, Git
1w
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Forward Deployed Software Engineer
New York, New York, United States
$150k-$250k/yr OnsiteFull Time
Experienced software engineer with API and full-stack development skills, ability to work with data scientists, deploy Python/FastAPI services, and travel to customer sites; authorization for export-controlled technology may be required.
FastAPI, Python, Helm, Kubernetes, Terraform, AWS, Azure
1mo
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Senior Software Engineer, Platform
New York City or United States
$160k-$180k/yr RemoteFull Time
5+ YOE5+ years software development experience, 3+ years Python, backend services with Django/Flask/FastAPI, strong SQL, AWS production experience, observability tooling, on-call participation, and technical leadership on cross-team projects.
Python, Django, Flask, FastAPI, SQL, AWS, Datadog, CloudWatch, Claude Code, Terraform, Docker, Celery, Dyrygent, React
2mo
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Sr Software Engineer
New York, New York, United States
HybridFull Time
5+ YOE5+ years Python/JavaScript/TypeScript; energy modeling; optimization; FastAPI; React; PostgreSQL; IoT protocols; SCADA experience.
Python, JavaScript, TypeScript, FastAPI, React, PostgreSQL, Pyomo, HiGHS, Gurobi, GLPK, MQTT, Sparkplug B, AWS IoT Core, Ignition, SCADA
1w
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Software Engineer
New York City, New York, United States
$140k-$180k/yr OnsiteFull Time
2+ YOE2+ years full-stack experience; production Python/FastAPI and TypeScript/Next.js; experience with LLMs, multi-tenant systems, API debugging, and integrating CRMs.
Python, FastAPI, TypeScript, Next.js, React Query, LangGraph, LangChain, Supabase, Postgres, Salesforce, ServiceTitan, LeadPerfection, AccuLynx, LiveKit, Daily.co, Twilio Voice, OpenAI Realtime, Langfuse, LangSmith, Helicone, RLS, JWT
1mo
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Software Engineer - Front Office Credit Technology
New York City, New York, United States
$175k-$250k/yr OnsiteFull Time
5+ YOE5–7 years software development experience; strong Python (pandas, NumPy); experience with FastAPI and APIs; end-to-end delivery experience; bachelor's in a quantitative field; strong communication and problem-solving skills.
Python, C++, Java, pandas, NumPy, FastAPI, AWS, S3, SQS, Batch, Lambda, Docker, Kubernetes
1w
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Software Engineer
New York, New York, United States
OnsiteFull Time
3+ YOE3+ years building production software; strong Python and/or TypeScript; experience with FastAPI, PostgreSQL, Next.js, Tailwind, APIs, and integrating external services; autonomy and ownership of end-to-end features.
FastAPI, PostgreSQL, Next.js, Tailwind, Figma, Stripe, Auth0, Canopy Connect, Python, TypeScript
1mo
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Senior Python Engineer - Applications Development Sr Programmer Analyst - C12 - RUTHERFORD
Rutherford, New Jersey, United States
$121k-$182k/yr HybridFull Time
8+ YOE8+ years application development, 5+ years Python/PySpark leadership; design and build scalable data pipelines, AI agent deployment, Databricks, Kafka, FastAPI, microservices, data mesh, SQL, and cloud platforms.
Python, FAST API, Microservices, PySpark, pyspark, Kafka, Databricks, Google ADK, Google Flash 2.5+ LLMs, Devin.AI, Github Copilot, MCP, YAML, JSON, Spring boot, Starburst, Cloudera, AWS, Azure, GCP, Angular, React JS, Docker, openshift, Kubernates, CI/CD, SQL
1mo
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Junior Software Developer
Sofia or Dresden or Singapore or New York City or Vermont
HybridFull Time
0+ YOEB.S. or M.S. in CS or related field, 0–2 years relevant experience, proficiency in Python (Pydantic, pytest, pandas, FastAPI, lark, sly, nicegui), Tcl/Bash shell scripting, Java, git and DevOps concepts; familiarity with Azure DevOps preferred.
Python, Pydantic, pytest, pandas, FastAPI, lark, sly, nicegui, Tcl, Bash, git, Java, Azure DevOps
2mo
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Product Engineer
San Francisco or New York
OnsiteFull Time
Build AI-native applications end-to-end using React/TypeScript, Python, FastAPI, and Postgres; ship features with observability and real customer impact. Strong experience with at least one LLM API and RAG mindset.
React, TypeScript, Python, FastAPI, PostgreSQL, LLM API
1mo
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Senior Software Engineer
New York or Israel
HybridFull Time
7+ YOE7+ years building high-performance backend systems; strong Python and FastAPI expertise; experience with PostgreSQL, Redis, GCP, and OpenAI/LLM integrations; architectural leadership and collaboration skills.
Python, FastAPI, PostgreSQL, Redis, OpenAI, GCP, Claude Code, Cursor, Copilot
1w
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Full-Stack Engineer III (Contract to Hire)
Mount Arlington, New Jersey, United States
OnsiteContract, Full Time
7+ YOE7+ years full-stack engineering experience; expertise in React, Python/FastAPI, PostgreSQL; SSO/OIDC/Auth0 and third-party integrations; AI-assisted development and security-by-design; BS in Computer Science.
React, Python, FastAPI, PostgreSQL, Auth0, Veeva, SSO, OIDC
2w
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AI Software Developer
New Brunswick, New Jersey, United States
$102k-$137k/yr OnsiteFull Time
5+ YOE5+ years software engineering experience with 3+ years building production-grade AI/LLM applications; strong Python and FastAPI skills; experience with RAG, vector databases, semantic search, multi-agent frameworks, and enterprise integrations.
LangGraph, CrewAI, Semantic Kernel, Model Context Protocol (MCP), Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), vector database, semantic search, Python, FastAPI, Azure AI Document Intelligence, Azure, AWS, Google Cloud, MLOps
4d
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Senior Python Engineer
New York City, New York, United States
RemoteFull Time
5+ YOE5+ years professional software engineering experience; expert Python and FastAPI; production API and PostgreSQL experience; Docker and CI/CD familiarity; experience with ML/AI systems; fluent English.
Python, FastAPI, PostgreSQL, Docker, CI/CD
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