660 python api engineer jobs at 389 companies in Fairfield, CT

5d
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Senior Python Engineer
New York City, New York, United States
RemoteFull Time
DeweyLearn
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.
Python, FastAPI, PostgreSQL, Docker, CI/CD
1w
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Python Developer with Risk Modelling
New York City, New York, United States
OnsiteContract
Delan Associates
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.
Python, Microsoft Excel, REST API
1w
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Senior Python Engineer, Integration
Philadelphia or New York City or Austin or Sofia or Belgrade
RemoteContract
Fliff
Fliff: Operates a social sportsbook platform offering free-to-play gaming.
5+ YOE5+ years Python development experience focused on API and third-party integrations, observability, testing, and on-call production support.
Python, Django, Datadog, CloudWatch, Grafana
2w
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API Developer/Data Engineer Managing Consultant-Fraud/AI
McLean or New York City or Arlington or United States
$130k-$216k/yr HybridFull Time
Guidehouse
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.
Python, Java, JS, C#, .NET, RESTful API, XML, SQL Server, SQL, CSV, TXT, JSON, Parquet, GCP, Apigee, Kong, Azure API Management, AWS API Gateway, LexisNexis, Oracle Mantas, Actimize, Fircosoft, Oracle Mantas, World-Check, Dow Jones, Chainalysis, Elliptic, TRM Labs
1mo
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Principal Identity and API Architect
London or New York
€90k-€130k/yr OnsiteFull Time
TripleLift
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.
Auth0, Okta, OpenFGA, SpiceDB, Ory Keto, Traefik, Kong, AWS API Gateway, IAM, Cognito, Secrets Manager, KMS, STS, Lambda, OAuth 2.0, OpenID Connect (OIDC), SAML 2.0, JWT, JWKS, Go, Java, Python
2w
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Senior Software Engineer, API Platform
New York, New York, United States
$160k-$200k/yr HybridFull Time
Nayya
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.
Python, Go, Node, Typescript, Ruby on Rails, AWS, LangChain, LlamaIndex, LangGraph
1mo
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Software Engineer, Developer API
New York City or San Francisco or United States or Canada or United Kingdom
$168k-$330k/yr HybridFull Time
Ramp
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.
Python, Temporal, Postgres
1mo
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Senior Backend Engineer (Python/API) - Hybrid NYC- Blueflame AI
New York City, New York, United States
$141k-$248k/yr HybridFull Time
Datasite
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.
Python, MongoDB, Redis, RESTful APIs, LLMs
1mo
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Software Engineer | API
New York, New York, United States
$144k-$172k/yr HybridFull Time
DeepL
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.
Go, Python, Java, C#, React, TypeScript, GitHub Copilot, Claude, NVIDIA DGX SuperPODs, Jira
6d
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AI/ML, GenAI & Python Developer - Onsite NJ
New York, New York, United States
$106k-$145k/yr OnsiteFull Time
Capgemini
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
3w
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Software Engineer - Customer Integrations (API)
New York, New York, United States
$125k-$145k/yr HybridFull Time
TheGuarantors
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.
Go, Java, Python, C#, SQL, AWS, Azure, GCP, OCI, Terraform
1mo
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Member of Technical Staff (Software Engineer, API Platform)
San Francisco or New York City
$220k-$405k/yr OnsiteFull Time
Perplexity
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.
Python, Go, Rust, AWS, Kubernetes, CI/CD
1mo
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Full Stack Software Engineer, API Experience
New York City, New York, United States
$293k-$385k/yr OnsiteFull Time
OpenAI
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.
TypeScript, React, Python, Go, Rust, SDKs
1mo
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Lead Software Engineer - Python/Automation
Plano or Jersey City or Columbus
$152k-$215k/yr OnsiteFull Time
JPMorgan Chase
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)
2mo
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Backend Engineer (Node.js/Python)
Noida or New York City
HybridFull Time
EXL
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.
Python, Node.js, AWS Step Functions, AWS SQS, SNS, EventBridge, AWS X-Ray, CloudWatch, AWS Secrets Manager, API Gateway, AWS Lambda, ECS/Fargate, RDS/Aurora, PostgreSQL, MySQL, DynamoDB, AWS CDK, Terraform, CloudFormation, Apache Airflow, Temporal, GitHub Actions, AWS CodePipeline, Docker, pgvector, Pinecone, AWS Textract, OAuth 2.0, JWT, mTLS
6d
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Senior Software Engineer - Python/Typescript
Chicago or Raleigh or Royal Oak or New York or United States
$160k-$190k/yr HybridFull Time
SpotOn
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.
Python, TypeScript, JavaScript, Claude Code, LangGraph, CrewAI, AutoGen, Cursor, GitHub Copilot, Windsurf, Salesforce, Apex, Lightning, APIs, AWS, GCP, Azure, GitHub, GitHub Actions, Jira, Slack
1mo
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Senior Solutions Engineer
Boston or New York City
OnsiteFull Time
OnCorps
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.
JSON, YAML, REST API, Python, TypeScript, SQL, Databricks, Pandas, PySpark, AWS, Docker, Kubernetes, CI/CD
1w
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Chariot Labs Engineer
New York, New York, United States
HybridFull Time
Chariot
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
3w
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Operations Engineer- V.I.E- New York
New York, New York, United States
HybridFull Time
Voodoo
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.
Python, APIs
2w
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AI Engineer III
New York or Palo Alto or Phoenix
$104k-$175k/yr HybridFull Time
American Express
American ExpressNYSE: AXP: Global financial services and credit card payment network.
4+ YOE4+ years software engineering experience; backend proficiency (Python, Go, TypeScript); experience with LLM/AI features, cloud (AWS/GCP), APIs, and collaborative engineering.
Python, Go, TypeScript, AWS, GCP, Kubernetes, REST, gRPC, Kafka