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2,834 senior python engineer jobs at 987 companies in Fairfield, CT

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
1mo
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Senior Python Developer
New York City, New York, United States
$121k-$182k/yr HybridFull Time
Citi
CitiNYSE: C: Providing global banking, investment, and wealth management services.
5+ YOE5+ years experience; bachelor\u0002s or equivalent in CS/Engineering/Math preferred; extensive Python and container orchestration knowledge; experience with systems analysis, programming, project delivery, and applying AI/GenAI.
Python, Docker, Kubernetes, OpenShift, AI, GenAI, CI/CD
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1w
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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 Python experience, FastAPI and PostgreSQL production experience, Docker, EM/CI-CD fundamentals, experience with ML/AI and retrieval workflows preferred; fluent English.
Python, FastAPI, PostgreSQL, Docker, CI/CD
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1mo
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Senior Python Developer
New York City, New York, United States
$121k-$182k/yr HybridFull Time
Citi
CitiNYSE: C: Global diversified financial services holding.
5+ YOE5+ years experience; Bachelor's in CS/STEM preferred; extensive Python; experience with Docker, Kubernetes, OpenShift; systems analysis, programming, CI/CD, project implementation, and working with AI/GenAI integrations.
Python, Docker, Kubernetes, OpenShift, AI, GenAI, CI/CD
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5d
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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
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1mo
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Senior Python Engineer
Minsk or New York City or Israel or Ukraine
RemoteFull Time
Commit
Commit: End-to-end software, cloud, and cybersecurity consulting and development.
3+ YOE3+ years backend experience, strong Python proficiency, production experience with at least two languages, AI-tool usage (Copilot/LLMs), solid design patterns, microservices, and strong communication.
Python, Copilot, LLMs
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1mo
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Python Developer - 6249754
New York City or Cleveland or California or Colorado or District of Columbia or Illinois or Maine or Maryland or Massachusetts or Minnesota or New Jersey or New York or Virginia or Washington
$22-$72/hr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
5+ YOEMinimum 5 years experience, advanced Python proficiency, Associates degree required (Bachelor's preferred). Preferred experience with Oracle NoSQL, MongoDB, React.js, application remediation and engineering support.
Python, Oracle NoSQL Database, MongoDB, React.js
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2mo
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Senior Software Engineer (Python) - Contract (1099)
New York, New York, United States
$80/hr RemoteContract
Very
Very: Builds IoT and AI solutions for connected products.
8+ YOESenior Python backend engineer with 8+ yrs exp; 4+ yrs Python; full SDLC; remote US-based; contract 1099.
Python, Django, FastAPI, Node.js, React, Expo, Vite, TypeScript, AWS, Azure, Docker, Terraform, Pulumi, GitHub Actions, PostgreSQL, Redis, TimescaleDB, DynamoDB, Jest, Cypress, Pytest
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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
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2d
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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
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1w
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Senior Software Engineer - Python/Typescript
Chicago or Raleigh or Royal Oak or New York City 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 experience, strong Python and TypeScript/JavaScript, production AI/LLM and agent experience, full-stack development, stakeholder collaboration, and production-grade reliability and observability.
Python, TypeScript, JavaScript, Claude Code, LangGraph, CrewAI, AutoGen, GitHub Copilot, Cursor, Windsurf, Salesforce, Apex, Lightning, AWS, GCP, Azure, GitHub, GitHub Actions, Jira, Slack
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3w
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Senior Market Data Engineer - Python
Chicago or New York
$150k-$225k/yr OnsiteFull Time
Balyasny Asset Management
Balyasny Asset Management: Global multi-strategy investment firm managing diverse financial assets.
8+ YOEBachelor's in CS/Engineering, 8+ years software engineering focused on market data; proficient in Python, cloud (AWS/GCP/Azure), Kubernetes, Parquet; experience with tick data and timeseries DBs (KDB, OneTick); C++ and Apache Iceberg a plus.
Python, Parquet, Apache Iceberg, KDB, OneTick, Kubernetes, C++, AWS, GCP, Azure
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2mo
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Senior Engineer
New York, New York, United States
$136k-$175k/yr OnsiteFull Time
TP ICAP
TP ICAPLondon Stock Exchange: TCAP: Provides market infrastructure and data solutions for financial markets.
Senior engineer with strong programming, Unix/Linux/Windows development, and secure coding practices; mentor and collaborate across teams.
C#, Java, C++, Unix, Linux, Windows, Microsoft Visual Studio, Oracle, MongoDB, RabbitMQ, Kafka, Solace, Jira, CI/CD, Git, Python, AWS, Docker
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3w
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Python Senior Lead Software Engineer- Fixed Income Systematic Portfolios
New York, New York, United States
$171k-$260k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years software engineering experience, advanced Python, cloud-native service development, system design, productionizing quantitative workflows, experience with systematic investing or portfolio analytics, and formal software engineering training.
Python, Gurobi, Axioma, MSCI Open Optimizer, Bloomberg, FactSet, MSCI, Java, Kotlin, Clojure
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2mo
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Senior Firmware Engineer - Streaming Audio
Plano or Rockleigh
$108k-$174k/yr OnsiteFull Time
Crestron
Crestron: Designs and manufactures advanced automation and control systems.
6+ YOESenior firmware engineer with 6-8 years exp in C/C++, Node.js, Python; embedded/Linux; DSP; networking; system integration; SDLC ownership.
C, C++, Node.js, Python, Linux
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3mo
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Staff Backend Engineer (Python)
New York City or Montreal
$240k-$280k/yr HybridFull Time
Tetrix
Tetrix: AI-powered financial data platform.
10+ YOE10+ years backend engineering in Python; strong leadership; scalable systems design; API and data ingestion experience; AI integrations a plus.
Python, APIs, Data Ingestion, Event-Driven Architecture, Cloud
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2mo
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Senior Forward Deployed Engineer
New York, New York, United States
$160k-$200k/yr OnsiteFull Time
Maybern
Maybern: Provides accounting automation software for private investment fund managers.
6+ YOESenior engineer with 6+ years in software/ML; strong Python/SQL, system design, and customer-facing delivery; finance domain experience preferred; leadership potential.
Python, SQL, System Design, Machine Learning
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3w
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Senior Software Developer - Python
Chicago or Greenwich
$200k-$250k/yr HybridFull Time
Interactive Brokers
Interactive BrokersNASDAQ: IBKR: Automated global electronic brokerage and trading services provider.
5+ YOE5+ years software engineering experience (Python/C++/Java), 3+ years Python as primary language, experience with Polars/Pandas/NumPy, Linux (1-3 yrs), SQL and large codebases; Bachelor's degree in CS or related.
Python, C++, Java, Polars, Pandas, NumPy, Linux, SQL
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2mo
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Senior Engineer - Fixed Income Trading
New York, New York, United States
$122k-$200k/yr OnsiteFull Time
Bank of America
Bank of AmericaNYSE: BAC: Provides global banking, investing, and financial risk management services.
Extensive software engineering experience in Financial Services; front office risk/trading platforms; Python/Java/C++; Agile; strong communication.
Python, Java, C++, C#
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2mo
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Senior Software Engineer (AI Products)
New York City, New York, United States
OnsiteFull Time
Mutiny
Mutiny: AI-powered GTM infrastructure for revenue teams.
5+ YOESenior engineer with full-stack capabilities, AI/LLM experience, and strong communication.
Python, TypeScript, Kotlin, Ruby
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2mo
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Senior AI Engineer
New York or New York
$120k-$165k/yr OnsiteFull Time
Morgan Stanley
Morgan StanleyNYSE: MS: Provides global investment banking, wealth management, and advisory services.
5+ YOESenior AI Engineer with Python, AI/LLM, REST, data engineering, cloud-native infra, and strong collaboration skills.
Python, FastAPI, Flask, OpenTelemetry, Grafana, Prometheus, Docker, Kubernetes, Kafka, Redis, Jenkins, GitHub Actions
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