228 senior python engineer jobs at 94 companies in Hamden, 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
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
2mo
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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
1w
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Python AWS Developer
Hartford or Lafayette
$81k-$172k/yr HybridFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
6+ YOE6+ years Python backend development, REST API (FastAPI/Flask), strong SQL, hands-on AWS (Lambda,S3,SQS,DynamoDB,EC2,EKS), CI/CD and production support experience.
Python, FastAPI, Flask, AWS Lambda, Amazon S3, Amazon SQS, DynamoDB, Amazon EC2, Amazon EKS, Boto3, CloudWatch, Jenkins, GitHub Actions, Terraform, CloudFormation, OpenShift, Kubernetes, PostgreSQL, Aurora, Java, ReactJS, Spring Boot, SQL
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
1w
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Senior Data Engineer
Stamford, Connecticut, United States
$150k-$200k/yr HybridFull Time
Trexquant
Trexquant: Quantitative hedge fund developing systematic trading strategies.
5+ YOEBachelor's or Master's in a quantitative field,5+ years data engineering in systematic trading/hedge fund/fintech,Python and SQL,Linux,market and reference data expertise across asset classes.
Python, SQL, Linux, Parquet, Arrow
5d
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Data Engineer II (AWS, Python, SQL)
Hartford or Saint Paul
$127k-$209k/yr HybridFull Time
Travelers
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
8+ YOEBachelor's in STEM or equivalent, ~8 years related experience, strong AWS, Python, SQL, data pipeline and MLOps experience, ability to lead and mentor engineers.
AWS, Python, SQL, Terraform, CI/CD
1mo
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Senior Resource Planning Engineer
Windsor, Connecticut, United States
$145k-$180k/yr HybridFull Time
ISO New England
ISO New England: Operates the New England power grid and wholesale markets.
5+ YOEBachelor's degree in engineering/science/statistics, 5+ years experience in resource adequacy/reliability studies, experience with GE MARS, SERVM, PLEXOS, probabilistic metrics (LOLE/EEU), programming (Python/R/MATLAB/SAS), and strong stakeholder communication.
GE MARS, SERVM, PLEXOS, Python, R, MATLAB, SAS
6d
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Engineer Senior/Spec/Prin - Communication Systems
Groton, Connecticut, United States
OnsiteFull Time
General Dynamics Electric Boat
General Dynamics Electric BoatNYSE: GD: Designs, builds, and maintains submarines for the U.S. Navy.
5+ YOEBS in EE/CE/CS,5+ years post-grad engineering experience,ability to obtain Secret clearance,experience with cloud-native,containerization,CI/CD and modern programming languages (Go,Rust,Python,Java).
Go (Golang), Rust, Python, Java, Platform as a Service (PaaS), CI/CD, APIs, containerization technologies, service orchestration, messaging frameworks
3w
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Senior Cloud Engineer
Wilton, Connecticut, United States
HybridFull Time
ASML
ASMLNASDAQ: ASML: Manufactures lithography systems used to print patterns on wafers.
5+ YOE5+ years supporting large-scale cloud or software environments; expert GCP skills, Azure/hybrid experience, Linux, networking, CI/CD, Git, VMware, storage, scripting (Python/Bash/Perl/Ruby), Splunk, strong communication and problem-solving.
Google Cloud Platform (GCP), Cloud Build, GKE, AI Platform, GCS, Azure, Splunk, Linux (RHEL/CentOS), Git, SVN, Jira, Confluence, Bitbucket, NFS, SMB, ZFS, NAS, VMware, Python, Bash, Perl, Ruby, CI/CD, AI/ML
1mo
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Senior Research Engineer - Experimental Engineering
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.
Senior research engineer with deep full-stack software engineering experience, strong applied AI/ML knowledge, prototyping and R&D experience, Python/FastAPI and frontend (React/React Native) familiarity, and ability to lead experiments and mentor engineers.
AI, Machine Learning, Python, FastAPI, React, React Native, RAG
6d
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Senior Snowflake Platform Engineer
Groton or Tampa or New York City or Collegeville
$124k-$207k/yr HybridFull Time
Pfizer
PfizerNYSE: PFE: Develops and manufactures vaccines and medicines for global healthcare
6+ YOEExpert Snowflake platform experience, strong SQL and Python skills, 6+ years of relevant experience, enterprise/regulatory knowledge (GxP/SOX), and stakeholder leadership without direct line management.
Snowflake, Snowflake Cortex AI, Snowpipe Streaming, Snowpark, Iceberg, Openflow, SQL, Python, dbt, Matillion, Tableau, Power BI, Apache Airflow, LDAP, AD, AWS IAM
2mo
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Staff Engineer, Communications Platform
Glastonbury, Connecticut, United States
$180k-$250k/yr RemoteFull Time
Finalsite
Finalsite: Software platform for school websites, communications, and enrollment management.
12+ YOE12+ years as Staff Engineer or senior individual contributor; strong Kubernetes, cloud infra, distributed systems; modernization/migration; IaC; Python; AI-assisted tools; excellent cross-functional collaboration.
Kubernetes, Cloud, Infrastructure as Code, Python, AI-assisted development tools
1mo
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Senior CMM Quality Engineer
Stratford, Connecticut, United States
$82k-$163k/yr HybridFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
5+ YOE5+ years aerospace experience, advanced GD&T and drawing interpretation, CMM programming and inspection expertise, familiarity with PC-DMIS/CALYPSO/CAMIO, data analysis using Tableau/SQL/Python, strong communication and organizational skills.
PC-DMIS, CAMIO, Calypso, Tableau, SQL, Python, Catia, 3DX, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, CMM, PCMM
1mo
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Senior Additive Manufacturing Process Engineer
East Hartford, Connecticut, United States
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOEU.S. citizenship and active DoD Secret clearance required. Requires university engineering degree or equivalent and 5+ years relevant experience (3+ with advanced degree). Experience with additive manufacturing, metal laser powder-bed-fusion, scripting (Matlab/Python/VBA/JavaScript), and low-voltage sensors/control systems.
Matlab, Python, VBA, JavaScript
2mo
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Senior Software Engineer - Compliance Technology
Greenwich or New York
$150k-$235k/yr HybridFull Time
Balyasny Asset Management
Balyasny Asset Management: Global multi-strategy investment firm managing diverse financial assets.
10+ YOE10+ years software development; expert in C#; SQL; React; CSS; Python; AWS; Agile/SCRUM; DevOps; AI-assisted tools; finance experience a plus.
C#, SQL, React, CSS, Python, AWS, CI/CD, infrastructure-as-code, AI tools
2mo
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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
1mo
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Senior Infrastructure Engineer, IaC & DevOps
Hartford, Connecticut, United States
$90k-$105k/yr HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
7+ YOE7+ years infrastructure/DevOps experience with 4+ years Terraform; expertise in GitHub Actions, Terraform, MongoDB Atlas, Vault; scripting in Bash/Python/TypeScript; client-facing communication and mentoring experience.
GitHub Actions, Terraform, MongoDB Atlas, MongoDB Atlas Terraform provider, Terraform Cloud, S3, DynamoDB, HashiCorp Vault, HashiCorp Sentinel, Open Policy Agent (OPA), Atlantis, OIDC, Bash, Python, TypeScript
3w
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Senior Engineer II-Applications
Chandler or Hauppauge or Austin
$70k-$205k/yr OnsiteFull Time
Microchip Technology
Microchip TechnologyNasdaq: MCHP: Manufacturer of microcontrollers, analog, and mixed-signal integrated circuits.
7.5+ YOEBachelors in electrical engineering (or equivalent) with 7.5+ years experience; strong written communication; silicon/system architecture, hardware design, mixed-signal and basic software design experience.
Altium, Cadence, C, Python, LabView, function generators, power supplies, multi-meters, oscilloscopes, serial protocol analyzers
1mo
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Senior Cloud Engineer
Lincolnshire or Holtsville
$97k-$145k/yr HybridFull Time
Zebra Technologies
Zebra TechnologiesNASDAQ: ZBRA: Provides enterprise-grade hardware and software for asset tracking.
5+ YOE5+ years of experience; Bachelor’s degree or equivalent; Python/Jenkins/Terraform; cloud experience in AWS/Azure/GCP.
Python, Jenkins, Terraform, AWS, Azure, GCP
2mo
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Senior Software Engineer - Compliance Technology
New York or Greenwich
$150k-$235k/yr OnsiteFull Time
Balyasny Asset Management
Balyasny Asset Management: Global multi-strategy investment firm managing diverse alternative asset classes.
10+ YOE10+ years software development; deep expertise in C#; production SQL queries; React/CSS; Python; AWS; Agile/SCRUM; DevOps (CI/CD, IaC); AI-assisted development tools; finance industry exposure a plus.
C#, SQL, React, CSS, Python, AWS, CI/CD, Infrastructure as Code, AI-assisted development tools
2mo
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Senior Infrastructure Engineer
New York or Hartford
$144k-$176k/yr OnsiteFull Time
Virtus Investment Partners
Virtus Investment PartnersNYSE: VRTS: Provides investment management services to individual and institutional investors.
5+ YOEDesign, implement, and operate Azure and Linux infrastructure; 5-10 years in enterprise infra/cloud; Azure expertise; scripting and automation; strong security and networking knowledge.
Microsoft Azure, Linux, PowerShell, Bash, Ansible, Python, Azure CLI, Power Automate, Microsoft 365, Entra ID, Active Directory, VPNs, DNS, Firewalls