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Python Software Developer Jobs in Norwalk, CT, US

1,600+ python software developer jobs from 580+ companies hiring in Norwalk, CT, US.

1,692 jobs- Norwalk • 50 miles
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Site Reliability Engineer II - Epic
Secaucus or Schaumburg
$111k-$130k/yr HybridFull Time
Quest Diagnostics
Quest DiagnosticsNYSE: DGX: Provides clinical laboratory diagnostic testing and health information services.
4+ YOE4+ years with multiple APM tools and Dynatrace; 3+ years SRE; software development/infrastructure/ops experience; certifications in AWS, DevOps, Kubernetes, Dynatrace or similar; CI/CD and version control; scripting (Python, Bash, Go); strong problem-solving and communication; agile environment.
Dynatrace, Prometheus, Grafana, Neoload, Jmeter, Splunk, AWS, Azure, GCP, Terraform, Ansible, Kubernetes, Docker, IIS, HTML, Java, C#, C, Python, Bash, Go
3mo
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Sr. Staff Reliability Engineer
Secaucus, New Jersey, United States
$125k-$166k/yr OnsiteFull Time
ZT Systems
ZT SystemsNASDAQ: SANM: Designs and manufactures server solutions for hyperscale data centers.
8+ YOEBS in Electrical Engineering, CS, or Software; 8+ years (MS 6+); reliability engineering; Python/Unix scripting; hardware knowledge; statistics; cross-functional collaboration.
Python, Unix, Bash, PowerShell, ReliaSoft, JMP, Minitab
2mo
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Structural Engineer | Senior Engineer
San Diego or Los Angeles or Orange
$120k-$137k/yr HybridFull Time
Degenkolb Engineers
Degenkolb Engineers: Specializes in structural engineering and earthquake-resistant building design
5+ YOE1+ MgmtMaster's in Structural Engineering; 5-7+ years; California PE license; seismic design experience; proficient in structural software.
ETABS, RISA, RAM, Revit, MathCAD, SAP2000, AutoCAD, Tekla, Python, Rhino, Grasshopper
2mo
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AI Development 2026 Summer Internship
New York, New York, United States
HybridInternship
Orthodox Union
Orthodox Union: Provides kosher certification, youth programs, and community support services.
Intern will develop AI-powered applications, write code in Node.js and Python, build Vue.js interfaces, and collaborate in a team; unpaid.
Node.js, Vue.js, Python, AWS
1mo
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Staff Backend Engineer: Financial Data
New York, New York, United States
OnsiteFull Time
Rogo: Provides a generative AI platform for financial institutions.
8+ YOE8+ years in software engineering; 5+ years with GCP; strong Python; experience with Rust, C++, or Java; large-scale data pipelines; SQL and NoSQL; distributed systems; cross-team collaboration.
GCP, Python, Rust, C++, Java, SQL, NoSQL, Redis, BigQuery, Snowflake, Redshift
1mo
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Bioinformatics Assistant | Laboratory of Host-Pathogen Biology
New York, New York, United States
$50k-$55k/yr OnsiteFull Time
The Rockefeller University
The Rockefeller University: Private graduate university focused on biomedical research.
2+ YOEBachelor's degree in computer science or bioinformatics; 2+ years Python; Git/Unix; software engineering fundamentals.
Python, NumPy, pandas, scikit-learn, Git, Unix/Linux, Django
3w
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Performance Engineer
New York City or New York or United States
HybridFull Time
PDT Partners
PDT Partners: Systematic hedge fund using quantitative models for global trading
5+ YOEStrong Linux performance engineering, PyTorch/GPU optimization, hardware-software understanding, and scalable system design experience.
Linux, PyTorch, CUDA, Python, GPU, CPU, OS, Networking, Storage
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Sales Engineer
New York City, New York, United States
$100k-$115k/yr OnsiteFull Time
Sent
Sent: Unified API for intelligent business messaging and channel routing.
0+ YOE0–2 years in software/CS, APIs and at least one language, strong communication, NYC-based or willing to relocate.
APIs, Python, Node.js
1mo
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AI/ML Development Analyst
Norwalk, Connecticut, United States
$100k-$150k/yr OnsiteFull Time
Commonfund
Commonfund: Provides investment management services to institutional nonprofit organizations.
1+ YOEBachelor’s or Master’s in Mathematics, Data Science, CS with AI, or related field; strong Python; 1+ year ML/AI development; experience with Agentic AI; SQL; web/API development; ML frameworks; analytical and collaborative skills.
Python, SQL, REST APIs, Web development (Svelte, FastAPI), C#, Git, Docker, AWS, Azure, GCP, TensorFlow, PyTorch, Scikit-learn, Data visualization tools, APIs and web-based interfaces
1mo
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Artificial Intelligence Forward Deployment Engineer - Associate
New York, New York, United States
$100k-$135k/yr HybridFull Time
iCapital
iCapital: A global fintech platform for alternative investment marketplace access.
3+ YOE3-6+ years delivering production software or applied AI; Python; AWS; strong stakeholder communication; Copilot Studio/Power Automate experience; enterprise integration basics.
Python, Copilot Studio, Power Automate, AWS
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Product Security Engineer
Canada or New York or San Francisco or United States
$94k-$125k/yr RemoteFull Time
Lattice
Lattice: Software platform for employee performance, engagement, and talent management.
1+ YOE1–3+ years in product security or software engineering; JavaScript/TypeScript (or Python/Ruby); OWASP Top 10 familiarity; security testing tools (SAST/DAST); cloud experience (AWS).
SAST, DAST, Dependency Scanning, AWS
5d
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Lead Enterprise AI Data Engineer
San Jose or Frisco or New York City
$136k-$223k/yr HybridFull Time
McAfee
McAfee: Provides cybersecurity and privacy protection software for consumers.
10+ YOE10+ years in data/software engineering; strong Python; batch and real-time pipelines; LLM/RAG experience; cloud AWS/GCP; SQL and data modeling; SDLC; mentoring.
Python, Java, Kafka, Apache Beam, Docker, Terraform, AWS, Google Cloud, SQL, Scikit-learn, TensorFlow, Databricks, Snowflake, Apache Spark, OpenSearch
1mo
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Lead Analyst - Data Science
Charlotte or Jersey City
OnsiteFull Time
Infosys
InfosysNYSE: INFY: Provides IT consulting, software development, and business outsourcing services.
4+ YOE4+ years IT experience; Python development with data structures; design/develop/optimize Python apps; SQL and Linux; experience with Autosys, GIT, JIRA; good communication and autonomous work; familiar with banking/finance domain a plus; relocation to Charlotte, NC or Jersey City, NJ preferred.
Python, SQL, Linux, Autosys, GIT, JIRA
1mo
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Cyber Strategy, Risk & Compliance - AI Engineering for Cybersecurity - Senior Associate
New York, New York, United States
$77k-$202k/yr OnsiteFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
3+ YOE3+ years in software development or AI/ML engineering; Bachelor’s degree; Master’s preferred in related field.
Python, AI/ML frameworks, LLM orchestration frameworks, Docker, Kubernetes, CI/CD, AWS, GCP, Swimlane, Torq, Tines
1mo
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Senior Mechatronics Engineer (Robotics)
New York, New York, United States
OnsiteFull Time
ZeroMark
ZeroMark: Developing AI-powered auto-aiming systems for military defense.
8+ YOE8+ years in robotics/mechatronics; strong hardware/software integration; embedded systems; circuit design.
C/C++, Python, Altium Designer, Eagle, KiCad, ROS, CAN, Ethernet, UART, I2C, SPI
2mo
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Technology Leader
New York, New York, United States
OnsiteFull Time
Townhouse Partners
Townhouse Partners: Provide commercial real estate finance and due diligence consulting services.
10+ YOE5+ Mgmt10+ years in software development; leadership experience preferred; Bachelor's in CS or Engineering or related field; cloud, architectures, and leadership skills.
Python, Java, JavaScript/TypeScript, Go, AWS, Azure, GCP, SQL, NoSQL, APIs, CI/CD, DevOps
1d
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Solution Architect (AI & Data Applications)
Jersey City, New Jersey, United States
HybridFull Time
Hiflylabs
Hiflylabs: Delivers data engineering, AI, and digital product consulting services.
10+ YOE10+ years in software engineering; strong full-stack with React + FastAPI; expert Python; experience with LLMs, vector databases, and RAG; Docker, CI/CD, relational databases.
Python, React, FastAPI, Docker, CI/CD, Relational databases, LLMs, vector databases, RAG, Databricks, LangChain, AutoGen, Node.js
4d
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Senior Bioprocess Engineer
New Haven, Connecticut, United States
$140k-$165k/yr OnsiteFull Time
Bexorg
Bexorg: Developing whole-brain perfusion platforms for neurodegenerative drug discovery.
Extensive hands-on bioprocess/ perfusion systems; lead end-to-end projects; strong control systems, hardware, and software integration.
LabVIEW, PLC/SCADA, Python, ROS-2
1d
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Technical Team Lead, Institutional Services
New York, New York, United States
$120k-$148k/yr HybridFull Time
New York Public Library
New York Public Library: Provides free access to information and educational resources.
7+ YOE1+ Mgmt7+ years of hands-on development; 1+ year people management; leadership, mentoring, communication; Proficient in Python, SQL, Node.js, React; experience with DevOps and system design.
Python, Java, XML, React, Node.js, Next.js, SQL, MySQL, PostgreSQL, Git, GitHub Actions, TravisCI, ElasticSearch, Solr, CI/CD
1w
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Manager, Systems Engineer
New York, New York, United States
$145k-$195k/yr OnsiteFull Time
Cubic
Cubic: Develops defense training systems and public transit fare technology.
8+ YOE3+ Mgmt8+ years systems engineering; strong technical leadership; program and project management; experience with AFC/transportation systems; hardware/software integration; willingness to travel.
UML, SysML, DOORS, JUnit, TestNG, Selenium, Jenkins, XML, SQL, API testing, SOAP, REST, Java, Python, Linux, Windows
4d
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Principal Data Engineer
Boulder or New York
$200k-$240k/yr HybridFull Time
Sovrn
Sovrn: Provides software and data tools for digital publishers to monetize.
10+ years software/data engineering; 5+ years adtech data infra; real-time streaming/batch pipelines; AWS; AI/agentic tooling experience.
Python, PySpark, Kafka, Databricks, AWS
1mo
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Cloud DevOps Engineer
New York, New York, United States
$120k-$150k/yr HybridFull Time
Gen II Fund Services
Gen II Fund Services: Global fund administration for private capital asset managers.
5+ YOE5+ years Azure-focused DevOps/CloudOps; Azure certifications preferred; strong IaC, monitoring, CI/CD, security, and scripting skills; degree in CS/Software Eng or related field.
Azure, Terraform, ARM templates, Bicep, GitHub Actions, Azure DevOps, Docker, Kubernetes, PowerShell, Bash, Python, Azure Monitor, Application Insights, Log Analytics
2mo
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Principal Data Engineer, Data Architecture
New York City or Andover
$134k-$198k/yr OnsiteFull Time
Rockstar Games
Rockstar GamesNasdaq: TTWO: Develops and publishes high-end interactive video game titles.
10+ YOE10+ years software engineering; 3+ years architect/principal in data domain; strong data pipelines, real-time/batch; mentoring; cross-team collaboration.
Databricks, Azure, Big data technologies, Python, SQL
1mo
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AI Engineering Summer Intern Stamford, CT
Stamford, Connecticut, United States
OnsiteInternship
Information Services Group
Information Services GroupNASDAQ: III: Provides technology research and advisory services for digital transformation.
Strong Python skills; experience with LLM APIs and prompt engineering; cloud AI familiarity; data engineering basics; Git/GitHub; AI development tools; prior AI project or internship in business settings.
Python, LLM APIs, Azure, Git, GitHub, ChatGPT, Claude, Gemini, Codex
2mo
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Founding Machine Learning Engineer
New York, New York, United States
OnsiteFull Time
Adaptive Security
Adaptive Security: Platform defending organizations against AI-powered phishing and deepfakes.
8+ YOE8+ years in production ML systems; strong software engineering; cloud ML infrastructure; ML/data frameworks; full-stack capabilities; mentoring; high autonomy.
Python, Java, TypeScript, AWS SageMaker, Bedrock, Modal, Baseten, PyTorch, TensorFlow, Spark
2mo
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Senior Development Lead
Brooklyn, New York, United States
$160k-$175k/yr HybridFull Time
Vichara
Vichara: Develops financial risk management and portfolio analytics software.
8+ YOE8+ years hands-on Python, React/Next.js; AI/LLMs with LangChain/LlamaIndex; finance/asset management experience.
Python, React, Next.js, LangChain, LlamaIndex, Snowflake, Databricks, PostgreSQL, MS SQL
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R&D Test and Design Validation Electrical Engineer
Budd Lake, New Jersey, United States
$138k-$231k/yr OnsiteFull Time
Keysight Technologies
Keysight TechnologiesNew York Stock Exchange: KEYS: Manufactures hardware and software for electronic test and measurement.
8+ YOEBS / MS in EE and 8+ years in test engineering; experience with automated test systems and software; cross-domain collaboration.
SCPI, VISA/IO, Python, C#, LabVIEW, MATLAB, HTBasic, VBA
1mo
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Senior Engineer, Internal tools
New York, New York, United States
RemoteFull Time
BJAK
BJAK: Online platform for insurance comparison and road tax renewal.
5+ YOE5+ years in software engineering; strong backend/full-stack skills; cloud, containers, CI/CD; API integrations; data modeling and SQL; strong communication.
Python, Go, TypeScript/Node.js, Java, GCP, AWS, Azure, Docker, Kubernetes, CI/CD, Workday, Salesforce, Slack, NetSuite, SQL
1w
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Staff Machine Learning Engineer - Search
Atlanta or New York City
$159k-$209k/yr HybridFull Time
FanDuel
FanDuelNYSE: FLUT: Offers online sports betting and daily fantasy sports services.
7+ YOE7+ years in software/ML, 4+ years scalable architectures, 2+ years vector/semantic retrieval, 2+ years platform components, 1+ years cross-team leadership, cloud experience (AWS/GCP/Azure).
Python, Java, Spark, Flink, Kafka, Airflow, Terraform, AWS, GCP, Azure, Elasticsearch, OpenSearch, SageMaker, Bedrock, Databricks, PyTorch, TensorFlow, Scikit-learn
1mo
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Field Sales Engineer II, Enterprise-Northeast
United States or New York
$198k-$233k/yr RemoteFull Time
Samsara
SamsaraNYSE: IOT: Provides cloud-based IoT solutions for physical operations.
5+ YOEBS degree; 5 years pre-sales or related experience; ability to explain technical concepts; hardware/software evaluation experience; strong communication and customer-facing skills.
Python, JavaScript, Bash, APIs, IoT, Cloud
6d
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Director, AI Engineering--Clinical Development and Operations (CD&O)
New York City, New York, United States
$177k-$294k/yr HybridFull Time
Pfizer
PfizerNYSE: PFE: Develops and manufactures vaccines and medicines for global healthcare
5+ YOEPhD or Master’s with several years of applied AI/ML experience in regulated environments; strong Python/ML tooling; production-grade AI systems; hybrid on-site role in NYC.
Python, TensorFlow, PyTorch, Keras, Scikit-learn, LangChain, LangGraph, Vertex AI, Claude, Java, JavaScript, TypeScript, React, FastAPI, SQL, PostgreSQL, Snowflake, S3, BigQuery, Neo4j, AWS, GCP, Azure
1mo
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AI Deployment Engineering Internship
New York, New York, United States
HybridInternship
Interplay
Interplay: Venture capital firm and startup studio building new companies.
0+ YOECS/AI background, ML/AI experience, Python, REST APIs, research ability, strong communication, interest in AI and VC.
Python, TensorFlow, PyTorch, REST APIs, Data Analysis
3w
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AI Ops Specialist
New York, New York, United States
OnsiteFull Time
Polymarket
Polymarket: A decentralized platform for trading on real-world event outcomes.
5+ YOE5+ years software engineering; AI/LLM native; full-stack; startup founder energy; hands-on shipping.
Python, TypeScript, Notion, Linear, Slack, GitHub, APIs
3w
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Member of Technical Staff - Security
San Francisco or New York City
RemoteFull Time
Runlayer
Runlayer: Security and governance platform for enterprise AI agents.
8+ YOE8+ years in security engineering with emphasis on application security and endpoint detection; Python/FastAPI; experience with enterprise security and API/gateway attack patterns.
Python, FastAPI
2mo
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University 2026 Talent Acquisition AI Product Engineering Intern
Mountain View or McLean or New York City or Tampa
OnsiteFull Time, Internship
ID.me
ID.me: Provides secure online identity verification and digital wallet services.
Pursuing a Bachelor's or Master's in CS/Engineering/AI; strong Python and API skills; experience with automation/AI apps; familiarity with LLM prompting or orchestration; strong systems thinking.
Python, APIs, LLMs, AI frameworks, Workflow automation tools, Webhooks
1w
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Market Making Quant
New York, New York, United States
$150k-$190k/yr OnsiteFull Time
CITIC CLSA
CITIC CLSA: Provides investment banking, brokerage, and asset management services.
6+ YOEMaster’s degree in CS/Math/Engineering; 6+ years in market making; Python (3.9+); equity derivatives knowledge; SQL; design patterns; unit testing; English fluency.
Python, SQL
1w
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Quantitative Technologist (Full-Time - DevOps & Systems Engineering)
Chicago or New York or Amsterdam
HybridFull Time
Radix Trading
Radix Trading: Proprietary firm focused on quantitative research and scientific trading.
Proficient in Python; strong problem solving; experience with distributed systems and Linux; ability to thrive in a fast-paced trading environment; knowledge of algorithms and data structures; collaborative team player.
Python, Linux, Distributed Systems, HPC, Software Architecture, Data Structures, Algorithms
1w
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Engineering Manager, Data Cloud
United States or Canada or New York City
$150k-$240k/yr RemoteFull Time
Chainalysis
Chainalysis: Blockchain data platform for cryptocurrency investigation and compliance.
5+ YOEExperience leading 5–10 engineers in data infrastructure or backend systems; strong software/data engineering background; coaching and cross-functional leadership; interest in cryptocurrency.
Apache Flink, Kafka, Databricks, Delta Lake, Iceberg, DBT, Terraform, AWS, S3, EC2, EKS, IAM, Kubernetes, Helm, GitHub Actions, Datadog, PagerDuty, Claude Code, GitHub Copilot, Java, Python, SQL, HCL
2w
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AI Engineering Lead
Fort Lee, New Jersey, United States
$250k/yr OnsiteFull Time
TRANZACT
TRANZACT: Distributes health and life insurance policies directly to consumers.
7+ YOE7+ years in applied ML/AI or realtime distributed systems; 3+ years leading production LLM/voice solutions; experience with realtime voice agents; RAG; Python/PyTorch; CS degree.
Python, PyTorch, TypeScript
1mo
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AI Consulting Associate Program (AI CAP) Engineering Intern - Summer 2026
New York, New York, United States
$35-$40/hr HybridInternship
DriveWealth
DriveWealth: Provides API-based brokerage infrastructure for fractional stock trading.
Pursuing a degree in Computer Science, ML, Mathematics, or Engineering; graduation 2026 or 2027; strong Python and SQL; API/JSON familiarity; understanding of large language models; high curiosity and willingness to iterate.
Python, SQL, APIs, JSON, AWS

HiringCafe market data

Python Software Developer Jobs market signals in Norwalk, CT, US

These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.

Open jobs
1,600+
Hiring companies
580+
Fresh sample
37% new in 30d
Salary visibility
67% show pay

Companies appearing in this market

FanDuelPwCThe Rockefeller UniversityZT SystemsAdaptive SecurityBexorgBJAKChainalysis

Work location mix in visible results

Onsite: 22Hybrid: 19Remote: 5