31 fastapi developer jobs at 18 companies in Bridgeport, CT

3w
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Full Stack Software Engineer
Hartford or Irving or New Jersey or Connecticut or United States
OnsiteFull Time
EXL
EXLNASDAQ: EXLS: Provides data analytics and digital operations solutions to businesses.
6+ YOE6+ years software development experience building enterprise web/cloud applications with React, TypeScript, Python (Django/Flask/FastAPI), API development, GCP/GKE, Kubernetes, CI/CD, PostgreSQL/MongoDB; Bachelor's degree in relevant field.
React, TypeScript, Django, Python, FastAPI, Spring Boot, OAuth, PostgreSQL, MongoDB, Kubernetes, CI/CD, RESTful, APIs, SQL, NoSQL, Google Cloud Platform (GCP), GKE, Azure, AWS, HTML5, CSS, JavaScript, jQuery, Bootstrap, Flask, Maven, Jenkins, Figma, BigQuery
4w
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Senior Software Engineer - Backend
New York or Manhattan or London
$165k-$180k/yr HybridFull Time
Fitch Group
Fitch Group: Provides global credit ratings and financial market research services.
3+ YOE3+ years software development experience, strong Java (Spring Boot) and/or Python (FastAPI) skills, SQL experience, cloud (AWS) familiarity, REST API and distributed systems experience, testing and CI/CD knowledge, bachelors preferred.
Java, Spring Boot, Python, FastAPI, SQL, PL/SQL, AWS, Kubernetes, EKS, Docker, Kafka, Redis, MongoDB, GitHub Actions, GitHub Copilot, Amazon Q, LangChain, LlamaIndex, MCP, A2A
1w
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AI Engineer - Full Stack
Hartford, Connecticut, United States
$88k-$132k/yr RemoteFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
3+ YOE3+ years building web applications with React and Python, experience with FastAPI/Flask, async Python, HTMX, Jinja2, Tailwind, Figma, Docker/Kubernetes, REST and event-driven integrations, and AI/agent concepts.
React, Python, FastAPI, Flask, Asyncio, Pydantic, HTMX, JavaScript, TypeScript, HTML, CSS, Jinja2, Tailwind CSS, Figma, Docker, Kubernetes, Nginx, Next.js, D3.js, LLMs, ADK Agents, A2A, MCP, AGUI, CopilotKit, A2UI, WebMCP
1mo
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Senior Software Engineer - Product
Yonkers or Washington or Colchester or Arizona or California or Connecticut or Illinois or Maryland or Massachusetts or Michigan or New Hampshire or New Jersey or New York or Texas or Vermont or Virginia or District of Columbia
$115k-$160k/yr RemoteFull Time
Consumer Reports
Consumer Reports: Tests products and publishes ratings for consumer advocacy.
5+ YOE5+ years software engineering experience; proficiency with React, React Native, Python (FastAPI); experience building multi-platform apps, CI/CD, automated testing, observability; strong communication; bachelor’s degree preferred.
React, React Native, Python, FastAPI, AWS, Azure, Google Cloud Platform, CI/CD
3w
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Senior AI Engineer
United States or New York City or Palm Beach or Los Angeles or Miami or Greenwich or Westchester County or The Hamptons or San Francisco or Manhattan
$190k-$250k/yr RemoteFull Time
Atria Health Institute
Atria Health Institute: Membership-based concierge practice providing preventive, precision-based medical care.
4+ YOE4+ years building and operating LLM-powered production ML systems, strong Python, backend framework experience (FastAPI/Flask), LLM orchestration and retrieval design, Snowflake/dbt/Dagster/Airflow familiarity, evaluation systems, HIPAA/PHI knowledge, and strong written communication.
Python, FastAPI, Flask, Snowflake, dbt, Dagster, Airflow, vLLM, Triton, TGI, SGLang, LOINC, SNOMED CT, ICD-10, RxNorm, FHIR, HL7
3w
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Lead AI Engineer
Birmingham or Chicago or Fort Lauderdale or New York
$151k-$196k/yr HybridFull Time
OneStream
OneStreamNASDAQ: OS: AI-driven enterprise finance platform for unified planning and reporting.
3+ YOEBachelor's degree or equivalent experience; 3+ years building and deploying production ML solutions; 3+ years Python, frontend development experience; proficiency in DB schema design and cloud/distributed systems; experience with Flask/FastAPI.
Python, SQL, Flask, FastAPI, OneStream
2mo
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AI Engineer
New York or Miami or Great Neck or Lakewood
$130k-$200k/yr HybridFull Time
Metropolitan Commercial Bank
Metropolitan Commercial BankNYSE: MCB: Provides commercial, business, and personal banking and financial services.
6+ YOE6+ years in AI/ML; strong LLM/GenAI, MLOps, cloud infra; full-stack development; Python; Snowflake/Snowpark.
Python, PyTorch, TensorFlow, Keras, NLP, LangChain, LlamaIndex, Snowpark Python, UDFs/UDTFs, SQL, NoSQL, Docker, Kubernetes, Terraform, CloudFormation, Prometheus, Grafana, MLflow, React, Flask, FastAPI, Node.js, Snowflake, Spark, PySpark, ETL
1mo
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Lead Software Engineer (Python, LLM) - AskGartner
Irving or Stamford
$116k-$170k/yr HybridFull Time
Gartner
GartnerNYSE: IT: Provides research and advisory services for business leaders.
Expert-level Python; backend services; FastAPI; AWS/Azure; SageMaker Pipelines; Pytest; PostgreSQL; Pandas; Git.
Python, Python FastAPI, AWS, Azure, AWS SageMaker Pipelines, pytest, Git, PostgreSQL, Parquet, JSON, CSV, Pandas, LangGraph, LangChain, OpenAI, Anthropic, Google, Locust, JMeter, AWS Athena, AWS S3, IAM, Splunk, AWS Secrets Manager, PySpark, Docker, Kubernetes, Terraform, OpenSearch, RAG systems, Cache technologies
2mo
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Senior Software Engineer, LIMS (Onsite)
Ramsey or Fort Myers or Aliso Viejo
OnsiteFull Time
NeoGenomics
NeoGenomicsNASDAQ: NEO: Provides specialized oncology diagnostic testing and clinical laboratory services.
7+ YOE7+ years Java software development experience, Bachelor's in Computer Science or equivalent, strong backend/REST and microservices skills, experience with Spring/Spring Boot and Python frameworks, SQL/NoSQL and cloud (AWS/Azure), authorized to work in the US.
Java, Spring, Spring Boot, Python, Flask, Django, FastAPI, RESTful APIs, microservices, SQL, NoSQL, PostgreSQL, MySQL, AWS, Azure, SAPIO LIMS, LabVantage, SDMS, ELN, CDS
1mo
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AI Engineer
Plano or Purchase or Chicago
$94k-$156k/yr OnsiteFull Time
PepsiCo
PepsiCoNASDAQ: PEP: Global food and beverage manufacturer and distributor.
6+ YOEBachelor in CS/AI/ML or equivalent; 6-8 years software lifecycle; ML/LLM/agent systems; Python/Java; production-grade AI delivery; strong evaluation and automation.
Python, Java, FastAPI, asyncio, Pydantic, LangChain, LangGraph, CrewAI, MLflow, Arise, Docker, Kubernetes, Ray, Kafka, gRPC, Redis, Prometheus, OpenTelemetry, Grafana
1mo
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GenAI Python Systems Engineer –Senior Manager
Chicago or Raleigh or Charlotte or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Richmond or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or Silicon Valley or Seattle or Spartanburg or Albany or Stamford or Tampa or Atlanta or Toledo or Austin or Tulsa or Washington or Denver or Des Moines or Detroit or Buffalo or Florham Park or Kansas City or Las Vegas or Little Rock or Los Angeles or Louisville or Birmingham or Fayetteville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or New York or Oklahoma City or Philadelphia or Phoenix or Pittsburgh or Portland
$124k-$280k/yr HybridFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
8+ YOESenior Manager level with 8+ years of experience; proficient in Python, SQL, FastAPI; cloud certifications a plus; willing to travel up to 80%; Bachelor's degree required.
Python, SQL, FastAPI, Cloud Platforms, LLM techniques, Data Warehousing, Data Lakes, IAM
2mo
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Senior Software Engineer
Bronx, New York, United States
$150k-$180k/yr HybridFull Time
Essen Health Care
Essen Health Care: Provides multispecialty medical care and home-based healthcare services.
5+ YOE5+ years software engineering; full-stack; strong fundamentals; self-directed; tests; feature ownership.
Python, FastAPI, React, TypeScript, MSSQL, Redis, Azure, Terraform
1mo
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AI Engineer
Plano or Purchase or Chicago
$94k-$156k/yr HybridFull Time
PepsiCo
PepsiCoNASDAQ: PEP: Global manufacturer and distributor of snacks and beverages.
6+ YOEBachelor’s in CS/AI/ML or equivalent experience; Master’s preferred. 6-8 years in software life cycle; strong ML/LLM/agent experience; Python/Java; distributed systems; ML tooling; productionization.
Python, Java, FastAPI, asyncio, Pydantic, LangChain, LangGraph, CrewAI, MLflow, Arise, Docker, Kubernetes, Ray, GPU utilization, Kafka, gRPC, Redis, Prometheus, OpenTelemetry, Grafana, Microservice architectures, Memory architectures, Vector DBs
2mo
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Lead AI Engineer
Plano or Purchase or Chicago
$124k-$207k/yr OnsiteFull Time
PepsiCo
PepsiCoNASDAQ: PEP: Produces and distributes global snack and beverage products.
Bachelor’s in CS/AI/ML required; Master's preferred. Expertise in ML and production-ready LLM/agent solutions; strong Python/Java and distributed systems experience.
Python, Java, FastAPI, asyncio, Pydantic, LangChain, LangGraph, CrewAI, Docker, Kubernetes, Ray, MLflow, Arise
1mo
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Agentic Solutions Engineer
Shelton, Connecticut, United States
HybridFull Time
BMG360
BMG360: Performance-focused marketing agency driving client growth.
3+ YOE3+ years backend/full-stack engineering with expert Python and strong TypeScript/React skills; experience building REST/GraphQL APIs, Django/DRF, Celery/Temporal, PostgreSQL, MCP protocol familiarity, and cloud (AWS/GCP).
Model Context Protocol (MCP), REST, GraphQL, Python, TypeScript, JavaScript, Django, Django REST Framework (DRF), React, React-Admin, FastAPI, Celery, Temporal, Pydantic, httpx, pytest, Node.js, PostgreSQL, Snowflake, WebSockets, SSE, OAuth2, JWT, OpenAPI, Swagger, Redoc, AWS, GCP, Lambda, Cloud Run, S3, GCS, Docker, GitHub Actions, Flowise, LangChain, Claude, Anthropic, GA4, Meta, Google
4w
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Staff Machine Learning Engineer (24649)
Long Island City, New York, United States
$119k-$197k/yr OnsiteFull Time
Estée Lauder Companies
Estée Lauder CompaniesNYSE: EL: Manufacturer and marketer of prestige beauty and skincare products.
5+ YOEBS/BA or equivalent experience, 5+ years across software engineering/ML/data science (3+ with grad degree). Strong Python, production-grade service design, LLM/agentic systems, Google Cloud, SQL/NoSQL, and mentorship experience.
Python, Google Cloud, Vertex AI, Cloud Run, BigQuery, Firestore, Pub/Sub, FastAPI, Model Context Protocol (MCP), SQL, NoSQL
1mo
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Application & Data Engineering Contractor
Farmington, Connecticut, United States
$120k-$125k/yr HybridContract
Tech Mahindra
Tech MahindraNational Stock Exchange of India: TECHM: Global provider of information technology and business process services.
4+ YOEStrong Snowflake and SQL skills, Azure web and data engineering (Azure Data Factory), ETL/ELT experience, frontend (React.js/Angular), backend (.NET Core/Node.js/Python FastAPI), Redis, REST APIs, CI/CD with GitHub/GitLab/Azure DevOps.
Snowflake, SQL Server, Redis, React.js, Angular, HTML, CSS, JavaScript, TypeScript, .NET Core, Node.js, Python FastAPI, Azure Data Factory, Azure Blob Storage, Azure SQL Database, Azure Web Apps, Azure App Services, Azure Functions, Azure Key Vault, Managed Identity, Application Insights, Databricks, Matillion, Informatica, Talend, GitHub, GitLab, Azure DevOps, OAuth, SSO, JWT
2mo
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Director- Agentic AI Architect & AI Designer
Purchase, New York, United States
$179k-$305k/yr OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
Lead the architecture and delivery of enterprise agentic AI products; hands-on design of multi-agent LLM systems; build scalable AI platforms; potential to lead a team.
Python, FastAPI, MongoDB, Redis, Kubernetes, Docker, OpenAI, LangGraph, LangChain, AutoGen, AgentCore, Strands, GPT-4o, Claude, LLaMA, Mistral, AWS, Azure, OpenTelemetry, Prometheus, Grafana
2w
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Agentic AI Architect - Intelligence Engineering (East)
Atlanta or Boston or Charlotte or Hartford or Miami or New Brunswick or New York City or Philadelphia or Raleigh or Washington
$108k-$218k/yr HybridFull Time
Slalom
Slalom: Provides business and technology consulting and software engineering services.
5+ YOE5+ years software engineering experience with 2+ years on generative/agentic AI; experience designing multi-agent systems, RAG, cloud AI platforms, Python and API frameworks, evaluation and governance for production AI systems.
Amazon Web Services, Azure, Google Cloud, AWS Bedrock, Azure AI Foundry, OpenAI Service, GCP Vertex AI, Gemini, Databricks, Lang Graph, Strands Agents SDK, OpenAI Agents SDK, Google ADK, Model Context Protocol (MCP), LangSmith, RAGAS, DeepEval, Claude Code, Cursor, Kiro, Python, FastAPI, Flask
2w
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Data Scientist
Long Island City, New York, United States
$126k/yr HybridFull Time
Public Health Solutions
Public Health Solutions: Provides direct health services and manages public health programs.
3+ YOE3+ years Python, SQL, ML model development; 2+ years cloud and container experience; experience with data lake analytics (Azure Synapse/Databricks); undergraduate degree in a related quantitative field required.
Python, SQL, Azure, Azure Synapse, Databricks, Docker, Azure Container Apps, Azure App Service, Azure Data Factory, Airflow, FastAPI, Django, Flask