1,564 senior software engineer python jobs at 632 companies in Fairfield, CT
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
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.
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).
Python Senior Lead Software Engineer- Fixed Income Systematic Portfolios
New York, New York, United States
$171k-$260k/yrOnsiteFull Time
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.
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.
Chicago or Raleigh or Royal Oak or New York City or United States
$160k-$190k/yrHybridFull Time
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.
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.
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.
Beli: A social app for restaurant tracking and personalized recommendations.
5+ YOE5+ years as a software engineer; strong in JavaScript/TypeScript and Python; startup/high-growth experience; strong analytical and product mindset.
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.
Fireblocks: Provides secure infrastructure for moving and storing digital assets.
4+ YOESenior Software Engineer with 4+ years in C++/Rust; distributed systems experience; Python a plus; blockchain/cryptography background a plus; strong teamwork.
Clarasight: AI-powered operating system for corporate travel and expense management.
3+ YOE3+ years of software engineering; full-stack experience (React/TypeScript, Node.js, Python); startup/early-stage experience; experience with data pipelines, ETL, and analytics; quick learner.
Schonfeld Strategic Advisors: Global multi-manager hedge fund managing diverse trading strategies.
5+ YOE5+ years software engineering, Python preferred; REST APIs, event-driven architectures; relational and NoSQL databases; AWS, Kubernetes, CI/CD; strong problem solving and communication; AI interest.
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.
Artian: Develops autonomous multi-agent AI systems for financial enterprise automation.
Senior Python engineer with production ML/LLM experience; strong system design, evaluation pipelines, and ability to mentor; independent, product-focused.
Python, LLM, NLP, Retrieval, Embeddings, Ranking, System Design