333 senior python developer jobs at 122 companies in Danielson, CT
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Python AWS Developer
Hartford or Lafayette
$81k-$172k/yrHybridFull Time
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.
CognizantNasdaq: CTSH: Provides IT consulting and digital business process services.
6+ YOERequires 6–10 years in software development or data engineering, strong Python, Snowflake, advanced SQL, enterprise data pipelines, data warehousing, monitoring, security, and stakeholder communication skills.
Python, Snowflake, SQL, AWS, Azure, Google Cloud Platform (GCP)
Wellington Management: Investment management and research services for global institutional clients.
5+ YOE5+ years in software design/development; full stack experience; Java/Python/TypeScript; AWS/Azure; CI/CD; JIRA/Git; AI tools; strong communication.
Java, Python, TypeScript, AWS, Azure, Jenkins, GitHub Actions, JIRA, Git, VS Code, IntelliJ, Eclipse, Oracle, MySQL, Claude Code, GitHub Copilot
Wellington Management: Manages investment portfolios and provides financial research for institutions.
5+ YOE5+ years of software development experience; full stack capabilities; AI-driven engineering exposure; proficient with Java, Python, TypeScript; SDLC tools; cloud platforms; strong communication.
JIRA, Git, Jenkins, GitHub Actions, VS Code, IntelliJ, Eclipse, Claude Code, GitHub Copilot, AWS, Azure, Java, Python, TypeScript, Oracle, MySQL
Senior Java Full Stack Developer – Python & Angular (Hybrid)
Westborough, Massachusetts, United States
$65k-$112k/yrHybridFull Time
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
7+ YOE7+ years experience building enterprise applications with Java, Python, and Angular. Requires Oracle/PL/SQL, test automation, Agile/DevOps practices, Git, JIRA, Zephyr Scale, Confluence, and familiarity with AI-assisted development tools.
Senior Java Full Stack Developer – Python & Angular (Hybrid)
Westborough, Massachusetts, United States
$65k-$112k/yrHybridFull Time
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
7+ YOE7+ years experience; strong Java backend, Angular front-end, and Python skills; Oracle/PLSQL; OOP; AI-assisted development tools; test automation; Git; Agile tools (JIRA, Zephyr Scale, Confluence); must be authorized to work in the US.
SS&C TechnologiesNasdaq: SSNC: Provides software and technology for financial and healthcare sectors.
5+ YOE5+ years of software development; full-stack SaaS experience; clean, maintainable code; strong communication; able to work in fast-paced environment.
PPLNYSE: PPL: Provides electricity and natural gas to millions of customers.
5+ YOEBachelor's degree, 5+ years software development experience (senior) or 7+ (lead); proficiency in C#, Java, TypeScript, frontend frameworks, APIs and SQL; experience with cloud, microservices, and emerging tech.
C#, Java, TypeScript, JavaScript, Python, Angular, React, SQL, Microservices, Cloud Architecture, APIs, SAP ABAP, SAP S/4HANA, Kubernetes, Azure Kubernetes Service (AKS), DevOps, RPA, Artificial Intelligence
eClinical Solutions: Clinical data cloud platform and biometrics services for researchers.
3+ YOE3-5 years of software design and development with Microsoft stack; strong C#, .NET, ASP.NET; full-stack web experience (Angular, TypeScript); knowledge of SDLC; ability to mentor and collaborate.
Re:Build Manufacturing: Provides advanced engineering and US-based contract manufacturing services.
7+ YOE7+ years software development experience; bachelor's in CS/EE or related; proficiency in distributed systems and AWS; Python and FastAPI/Nuxt/Celery experience; mentoring and strong communication.
TravelersNew York Stock Exchange: TRV: Provider of commercial and personal property casualty insurance.
5+ YOE5+ years software engineering experience, experience shipping LLM/AI agent production systems, proficiency with GitHub, Python, .NET/C#, Angular, AWS, databases, and strong communication and leadership skills.
Analog DevicesNASDAQ: ADI: Designs and manufactures semiconductors for signal processing and power management.
2+ YOEMaster's in Electrical/Electronics/Computer Engineering; 2+ years in Apps Engr or related role; strong analog/dc-dc knowledge; ADC/DAC, MCU, I2C/SPI; PCB design; training material creation; software experience (C/C++, Python, MATLAB/LabVIEW).
Analog circuits, ADC, DAC, I2C, SPI, Microcontrollers, PCB design, Oscilloscopes, Power supplies, DMMs, MATLAB, LabVIEW, C, C#, Python
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/yrRemoteFull Time
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.
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.
CognexNASDAQ: CGNX: Provides machine vision systems and sensors for industrial automation
3+ YOEBS/MS in ECE or CS required,3+ years software development experience,proficiency in C++,C#,Java,Python,JavaScript,Embedded Linux/Yocto,Microsoft Visual Studio and .NET,agile/scrum experience and strong debugging skills.
C++, C#, Java, Python, JavaScript, Embedded Linux, Yocto, Microsoft Visual Studio, Microsoft .NET, Microsoft WinForms, Microsoft WPF
Senior Software Engineer – Platform & Agentic AI Engineering
Charlotte or Hartford or Columbus or Chicago
$128k-$191k/yrHybridFull Time
The HartfordNYSE: HIG: Provides property and casualty insurance, group benefits, and wealth management.
6+ YOE6+ years software engineering experience with 2+ years in GenAI/multi-agent systems; hands-on with Agentic protocols, AlloyDB/Postgres, GCP, Python/Typescript, Terraform, and LangChain/LangGraph; strong security and spec-driven development skills.
Senior Electrical Engineer - Signal Processing (Onsite)
Marlborough, Massachusetts, United States
$87k-$165k/yrHybridFull Time
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOEDegree in STEM with 5+ years experience or Advanced degree with 3+ years; AESA experience; signal processing; C/C++, Python; Linux; Git; lab RF/test equipment.
HologicNASDAQ: HOLX: Develops medical technology for women's healthcare and diagnostics.
5+ YOEBachelor's or equivalent experience; 5+ years software/ML/solutions engineering with 2+ years building AI/ML/automation; strong programming (Python, JavaScript/TypeScript, C#); Azure and LLM/RAG experience; stakeholder communication.
Azure OpenAI, Claude, Microsoft Copilot, Python, JavaScript, TypeScript, C#, Power Automate, Logic Apps, Power Platform, LangGraph, Semantic Kernel, Model Context Protocol (MCP), Azure