660 python api engineer jobs at 389 companies in Fairfield, CT
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Senior Python Engineer
New York City, New York, United States
RemoteFull Time
DeweyLearn: AI-powered platform providing insights for educational teaching and learning.
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.
Delan Associates: Provides engineering and professional services to government agencies.
Convert Excel business logic to Python, strong knowledge of CCAR/scenario stress testing, balance sheet and liquidity modeling, IRR analytics, and develop REST APIs to interface with scenario engines.
API Developer/Data Engineer Managing Consultant-Fraud/AI
McLean or New York City or Arlington or United States
$130k-$216k/yrHybridFull Time
Guidehouse: Provides management and technology consulting services to diverse organizations.
5+ YOEUS citizen able to obtain Public Trust,5+ years in data engineering/integration, proficiency in Python, Java/JS, .NET (C#), RESTful APIs, XML, SQL/SQL Server, GCP, data formats (JSON, Parquet), and experience leading technical teams.
TripleLift: Programmatic advertising platform for high-quality digital ad experiences.
8+ YOE8+ years software engineering/platform architecture experience (4+ years focused on identity/IAM/API security). Hands-on Auth0, OpenFGA/ReBAC, OAuth2/OIDC/SAML, AWS identity services, API gateway patterns, and backend development in Go/Java/Python.
Nayya: AI platform optimizing employee health and wealth benefits.
6+ YOE6+ years building backend services and public/partner-facing APIs; deep API design and distributed systems expertise; production experience with Python, Go, Node, Typescript, or Ruby on Rails on AWS; mentoring and on-call experience.
New York City or San Francisco or United States or Canada or United Kingdom
$168k-$330k/yrHybridFull Time
Ramp: Financial operations platform for corporate cards and spend management.
5+ YOE5+ years backend engineering, experience building APIs/platforms, hands-on with Python, Temporal, and Postgres, familiarity with AI coding agents, strong ownership and developer-experience focus.
Senior Backend Engineer (Python/API) - Hybrid NYC- Blueflame AI
New York City, New York, United States
$141k-$248k/yrHybridFull Time
Datasite: SaaS platform for managing mergers, acquisitions, and strategic projects.
8+ YOE8+ years professional software engineering experience, expert Python, production REST API design, system architecture and distributed systems experience, MongoDB and Redis, NYC-based or willing to relocate, able to work hybrid 3 days/week.
DeepL: AI-powered language translation and writing assistance platform.
Strong backend fundamentals and API experience; proficiency in Go, Python, Java, or C#; comfortable with React/TypeScript; experience building SDKs, writing tests, and improving developer experience.
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
Experience designing and deploying AI/ML and generative AI solutions using Python, PyTorch/TensorFlow/Keras, LLMs, fine-tuning (LoRA/QLoRA), RAG, vector search, LangChain/Hugging Face, REST APIs, Git, and Agile.
Python, Machine Learning, Deep Learning, PyTorch, TensorFlow, Keras, Generative AI, Large Language Models (LLMs), Prompt Engineering, LoRA, QLoRA, Hugging Face, LangChain, LlamaIndex, Retrieval-Augmented Generation (RAG), Vector Databases, Hybrid Search Techniques, NLP, Data Processing, REST APIs, Git, Agile/Scrum, Agentic AI Frameworks, AI Model Evaluation, MLOps, Azure OpenAI, AWS Bedrock, Databricks, Streamlit, FastAPI, Docker, Kubernetes
TheGuarantors: Provides lease guarantees and security deposit alternatives for rentals.
2+ YOE2+ years building backend services with Go/Java/Python/C#/SQL, strong API design, system design, cloud experience (AWS/Azure/GCP/OCI) and IaC with Terraform; strong communication skills.
Member of Technical Staff (Software Engineer, API Platform)
San Francisco or New York City
$220k-$405k/yrOnsiteFull Time
Perplexity: AI-powered search engine providing conversational answers with citations.
5+ YOE5+ years backend engineering with Python, Go, or Rust; strong high-traffic API design, AWS and Kubernetes experience, CI/CD and DevOps fluency; experience with AI APIs a plus.
OpenAI: Develops artificial intelligence models and generative AI software services.
5+ YOE5+ years engineering experience; strong TypeScript and React; proficiency in one or more backend languages (Python, Go, Rust, TypeScript); experience building production APIs, services, SDKs, and developer tooling.
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years software engineering experience; expertise in system design, Python and Java, distributed systems (RabbitMQ), Cockroach DB, cloud-native/AWS, CI/CD, SDLC, and AI-assisted engineering practices.
Python, Java, Fast API, Django, Rest API, Containers, RabbitMQ, Cockroach DB, AWS, CI/CD, Electronic Medical Records (EMR)
EXLNASDAQ: EXLS: Provides data analytics and digital operations solutions to businesses.
5+ YOE5+ years backend experience with Python and/or Node.js; strong AWS microservices experience (Lambda, ECS/Fargate, API Gateway, SQS/SNS, EventBridge, Step Functions); API design, DB (Postgres/MySQL/DynamoDB), IaC (CDK/Terraform/CloudFormation), CI/CD, observability, and security best practices.
Chicago or Raleigh or Royal Oak or New York or United States
$160k-$190k/yrHybridFull Time
SpotOn: Provides point-of-sale and business management software for restaurants.
7+ YOE7+ years software engineering, strong Python and TypeScript/JavaScript, 1–2+ years building LLM/agent systems in production, full-stack capability, stakeholder collaboration, and CI/CD/cloud experience.
OnCorps: Automating financial fund operations with domain-specific AI agents.
7+ YOE7+ years in solutions/forward-deployed engineering; experience with JSON/YAML, REST APIs, Python or TypeScript, SQL, Databricks, CI/CD; strong customer-facing communication and technical implementation skills.
Chariot: Payment infrastructure for charitable giving and Donor Advised Funds.
3+ YOE3+ years engineering or technical RevOps experience; Python, JS, SQL and API proficiency; experience building and operating agent-based systems (OpenClaw, Claude Managed Agents, Claude Code); strong ownership, product judgment, and ability to ship prototypes to production.
OpenClaw, Claude Managed Agents, Claude Code, Python, JS, SQL, APIs
Voodoo: Develops and publishes mobile games and social applications.
1+ YOEGraduate of a top-tier French engineering school, 1–3 years experience, V.I.E. eligibility, proficient in Python and APIs, strong analytical and communication skills, proactive and able to automate processes.