26 senior full stack developer jobs at 18 companies in Waterbury, CT

3mo
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Senior Full Stack Developer
Milford, Connecticut, United States
OnsiteFull Time
Total Mortgage
Total Mortgage: Provides residential mortgage lending and home refinancing services.
5+ YOE5+ years full-stack development experience; bachelor\u0002s degree or equivalent; strong AWS, Node.js, PHP, Python, REST API, relational and NoSQL database, front-end (HTML5/CSS3/JavaScript), Git and CI/CD skills; strong communication.
AWS, EC2, S3, Lambda, RDS, CloudFormation, Node.js, Express.js, npm, PHP, Laravel, Symfony, Python, MySQL, PostgreSQL, NoSQL, HTML5, CSS3, JavaScript, Git, CI/CD, Docker, Kubernetes, Salesforce Apex
2mo
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Full Stack Engineer, Senior
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yr HybridFull Time
Ascendiun
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
React, Vue, Angular, JavaScript, TypeScript, .NET, Java, Node.js, Python, MS SQL Server, Oracle, NoSQL, REST, Azure, AWS, GCP, Docker, Kubernetes, Ansible, Bicep, ARM, Terraform, GitHub, GitLab, Bitbucket, Git
3w
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Senior Full Stack Drupal Developer
Farmington, Connecticut, United States
$100k-$120k/yr OnsiteFull Time
Digital United
Digital United: Operates a collective of specialized digital marketing agencies.
4+ YOE4+ years full‑stack development with 4+ years Drupal (10/11) experience, Python and AWS Lambda proficiency, 2+ years AI development, cloud-native/AWS knowledge, strong technical leadership and communication.
Drupal 10, Drupal 11, Python, AWS Lambda, AWS, Salesforce, HubSpot, Constant Contact
1mo
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Senior Full Stack Software Engineer
New Haven, Connecticut, United States
$124k-$187k/yr OnsiteFull Time
D-Wave Quantum
D-Wave QuantumNYSE: QBTS: Provides commercial quantum computing systems, software, and cloud services.
5+ YOEBachelor's or higher in CS/ECE/math/physics, 5+ years full‑stack experience, strong Python and another high‑level language (Go/C++/Java), front‑end frameworks (Vue.js/React), AWS, SQL/PostgreSQL, Git, Docker, Kubernetes, RESTful APIs, testing, and mentorship experience.
Python, Go, C++, Java, Vue.js, React, AWS, PostgreSQL, Git, Docker, Kubernetes, RESTful APIs
4d
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Full Stack Developer (.NET API) - Senior Software Engineer
Stamford, Connecticut, United States
OnsiteFull Time
Information Services Group
Information Services GroupNASDAQ: III: Provides technology research and advisory services for digital transformation.
6+ YOEBachelor's in computer science or related field, 6+ years full-stack experience with .NET Core API, Angular and SQL Server, strong C#/Web API and front-end (HTML/CSS/JavaScript) skills, REST API experience, communication and leadership abilities.
Angular, .NET Core, SQL Server, C#, Web API, HTML, CSS, JavaScript, Microsoft Azure, Git
1w
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Senior Full Stack .NET Developer
Hartford, Connecticut, United States
$68k-$132k/yr HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
5+ YOE5+ years professional experience, 5+ years with .NET and Angular, AWS and Python experience, BS in CS/IT/Engineering or related, strong SDLC and communication skills.
.NET, Angular, AWS, Python, Docker, Kubernetes, CI/CD
1w
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Senior Full Stack .NET Developer
Hartford, Connecticut, United States
$68k-$132k/yr HybridFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
5+ YOE5+ years professional experience with .NET and Angular, AWS and Python experience, bachelor's degree in CS/IT/Engineering, strong SDLC, problem-solving and communication skills.
.NET, Angular, AWS, Python, Docker, Kubernetes, CI/CD
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Full Stack Engineer Manager
New York or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$294k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
8+ YOEBachelor's degree or equivalent experience; 8+ years Python; 2+ years platform engineering; 1+ year with two of Linux admin, Docker/Kubernetes, modern JavaScript framework or DevOps; 1+ year Terraform; strong communication and problem-solving.
Python, Linux, Docker, Kubernetes, React, NodeJS, Terraform, EC2, Lambda, EKS, Fargate
1mo
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Full Stack Staff Software Engineer — AI-Augmented Development
Charlotte or Hartford or Columbus or Chicago
$116k-$174k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
10+ YOE10+ years software engineering experience, 5+ years tech lead experience; Bachelor’s in CS or related (or equiv. experience); expertise in frontend and backend stacks, cloud (AWS/GCP), CI/CD, databases, APIs, and AI-augmented development tools.
React, Angular, Vue.js, TypeScript, HTML5, CSS3, Java, Spring Boot, Node.js, Express, Python, FastAPI, Django, .NET, RESTful APIs, GraphQL, gRPC, AWS, GCP, AWS Bedrock, GCP Vertex, Vertex Studio, Docker, Kubernetes, Jenkins, GitHub Actions, GitLab CI, SQL, NoSQL, PostgreSQL, MongoDB, DynamoDB, Redis, Kafka, RabbitMQ, GitHub Copilot, Cursor, Claude Opus, OpenAI, Anthropic, LangChain, Semantic Kernel, AutoGen, CrewAI
2mo
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Senior Software Engineer
South Windsor or Charlotte
HybridFull Time
RCN Capital
RCN Capital: National direct lender for real estate investors.
7+ YOE7+ years software development; senior/lead engineer; full stack with .NET, React/TypeScript; AI/GenAI; Azure; PostgreSQL/CosmosDB; cloud-native; offshore collaboration.
React, TypeScript, Redux, Zustand, Tailwind CSS, C#, .NET 10, .NET Core, Entity Framework Core, Azure Functions, App Services, Service Bus, Azure DevOps, GitHub Actions, PostgreSQL, CosmosDB, LangChain, Semantic Kernel, Docker, Kubernetes
1w
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Full Stack AI Platform Engineer – AI Accelerator
East Hartford or Cambridge
$132k-$252k/yr HybridFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
10+ YOESTEM degree and 10+ years experience, U.S. Person required, proficiency in Python and C++, CI/CD and DevOps, LLMs/RAG/AI frameworks, cloud deployment, and integrating models into applications.
Python, C++, GitHub Actions, Jenkins, PyTorch, TensorFlow, AWS, Azure, LLMs, RAG, REST APIs, Docker, Kubernetes, SQL
2w
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Mid-level Full Stack Software Developer- Onsite, West Point, NY
West Point, New York, United States
$95k-$125k/yr OnsiteFull Time
BluePath Labs
BluePath Labs: Provides consulting, research, and technical solutions for government missions.
5+ YOEBachelor's in CS/SE/CE/EE/ISYS or related, 5+ years experience, proficiency in JavaScript and Python, experience with Docker, Flask, React, Svelte, PlotlyDash, SQL, networking and security principles, U.S. citizenship, ability to obtain DoD Secret clearance.
JavaScript, Python, Docker, Flask, React, Svelte, PlotlyDash, SQL
2mo
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Senior Software Engineer
South Windsor or Charlotte
HybridFull Time
RCN Capital
RCN Capital: Directly provides mortgage loans for real estate investment properties.
7+ YOESenior software engineer with 7+ years, lead/architect, full stack in .NET 10, React, TypeScript, Azure, PostgreSQL/CosmosDB; AI/GenAI, offshore teams.
React, TypeScript, Redux, Zustand, Tailwind CSS, C#, .NET 10, Entity Framework Core, Azure, Azure DevOps, GitHub Actions, PostgreSQL, CosmosDB, LangChain, Semantic Kernel, Docker, Kubernetes
2mo
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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
2mo
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Senior Data Engineer
Poughkeepsie, New York, United States
$100k-$126k/yr OnsiteFull Time
Hudson Valley Credit Union
Hudson Valley Credit Union: Provides personal and business banking services to members.
5+ YOEFive+ years data engineering experience; Databricks and Azure data stack expertise; Python; strong data warehousing/lakehouse skills.
Databricks, Spark, Delta Lake, Azure Data Lake Storage Gen2, Databricks Workflows, CI/CD, MLOps, Python
1mo
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Senior Operating Platform Engineer
New York City or Greenwich or Garden City or London or Dublin
$190k-$250k/yr OnsiteFull Time
Soros Fund Management
Soros Fund Management: Provides global asset management and family office services.
7+ YOE7+ years professional software engineering with 4+ years full-stack experience; expertise with Angular, C#/.NET, Python, Microsoft SQL Server, Snowflake, AWS, Kubernetes, CI/CD; AI/LLM workflows and financial services experience; strong communication.
Angular, C#, .NET, Python, Microsoft SQL Server, Snowflake, AWS, Kubernetes, CI/CD, LLM
3w
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Senior Java Fullstack Engineer with Azure
Lafayette or Bloomfield or Raleigh or Dallas or Austin
$81k-$141k/yr HybridFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
8+ YOE8+ years Java full‑stack experience with Azure, microservices, REST APIs, Spring Boot, Docker/AKS, CI/CD, and RDBMS/NoSQL; bachelor’s degree preferred.
Azure, RESTful (Rest-APIs), Java, Java 8, Spring Boot, Camel, Fuse, Docker, Azure Kubernetes Service (AKS), RDBMS, NoSQL, git, CI/CD, Openshift, Spring, Spring Batch
1mo
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Quantum Algorithm Engineer — AMER
Yorktown Heights or San Jose or San Francisco or Cambridge or Chicago or New York City
$265k-$315k/yr HybridFull Time
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
5+ YOEPhD required in physics, CS, CE or equivalent; 5+ years hands-on quantum computing experience; strong Python, Qiskit and IBM Quantum stack skills; experience with quantum hardware, benchmarking, and performance optimization.
Python, Qiskit, IBM Quantum software stack, GitHub, C, C++, Rust, HPC, CI/CD
3w
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Dataiku Developer
Stamford, Connecticut, United States
$100k-$130k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
8+ YOE8+ years in data architecture/engineering with strong Dataiku (DSS), Azure data stack, Python and SQL skills; experience designing production data pipelines, ETL/ELT, data modeling, API integrations, and mentoring teams.
Dataiku (DSS), SQL, Python, Azure Data Factory, Azure Synapse, Azure SQL, Data Lake
1w
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Lead Solution Engineer
Windsor, Connecticut, United States
$122k/yr RemoteFull Time
Voya Financial
Voya FinancialNYSE: VOYA: Provides retirement, investment, and insurance products and services.
5+ YOEBachelor's in CS/CE or related,5+ years solution/software engineering experience,experience with DevOps tools,Azure DevOps,Linux/Windows/Network/Storage/Web/DB stacks,SDLC,change/release/incident management,DR planning.
GitHub, Jenkins, Artifactory, XL_Deploy, Azure DevOps, VOLO, ClearCase, Informatica, TWS, Business Objects

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