22 senior full stack developer jobs at 13 companies in New Britain, CT

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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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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Full Stack Developer, MarTech
New Haven, Connecticut, United States
OnsiteFull Time
ASSA ABLOY
ASSA ABLOYNasdaq Stockholm: ASSA B: Global manufacturer of locks and automated entrance systems.
5+ YOE5+ years full‑stack development with strong front-end focus (React, Tailwind); experience with PHP/Laravel, Node.js, SQL, CI/CD, Docker, accessibility, CMS-driven marketing, and translating Figma to production.
React, Next.js, Tailwind, Laravel, PHP, SQL, Node.js, GitHub Actions, Docker, Figma, Changesets, Turborepo, Yarn, NPM, JSON-LD, Adobe Experience Manager (AEM), Maven, Apache Sling Models, JCR/Oak, GTM, GA4, OneTrust, Search Console, Sentry, APM, Git, Microsoft Office
1w
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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
3w
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Full Stack Software Engineer
Hartford or Irving or New Jersey or Connecticut or United States
OnsiteFull Time
EXL
EXLNASDAQ: EXLS: Provides data analytics and digital operations solutions to businesses.
6+ YOE6+ years software development experience building enterprise web/cloud applications with React, TypeScript, Python (Django/Flask/FastAPI), API development, GCP/GKE, Kubernetes, CI/CD, PostgreSQL/MongoDB; Bachelor's degree in relevant field.
React, TypeScript, Django, Python, FastAPI, Spring Boot, OAuth, PostgreSQL, MongoDB, Kubernetes, CI/CD, RESTful, APIs, SQL, NoSQL, Google Cloud Platform (GCP), GKE, Azure, AWS, HTML5, CSS, JavaScript, jQuery, Bootstrap, Flask, Maven, Jenkins, Figma, BigQuery
4w
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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
4w
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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
1d
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Senior .NET Full Stack Developer Lead (React/AWS)
Hartford, Connecticut, United States
$64k-$115k/yr OnsiteFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
Proven experience with .NET Core/C#, React.js, JavaScript, AWS, and SQL Server; experience leading technical teams, strong communication and software engineering best practices.
.NET Core, C#, React.js, JavaScript, AWS, SQL Server
3w
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Senior .NET Full Stack Developer Lead (React/AWS)
Hartford, Connecticut, United States
$64k-$115k/yr OnsiteFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
.NET Core/C# and React experience, AWS and SQL Server knowledge, proven technical leadership, stakeholder communication, and experience working with distributed/offshore teams.
.NET, .NET Core, C#, React, React.js, JavaScript, AWS, SQL Server
1mo
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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
1mo
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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
1mo
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Lead Software Engineer, .Net Full Stack (Hybrid)
Berlin or Westwood or Windsor or Manchester
$149k-$165k/yr HybridFull Time
Eversource Energy
Eversource EnergyNYSE: ES: Delivers electricity, natural gas, and water to New England customers.
8+ YOE8+ years related experience; Bachelor's degree or equivalent; advanced full‑stack .Net technical leadership, architecture, mentoring, and strategic problem solving; must be able to travel between MA/CT/NH and respond to emergency restoration assignments.
.Net
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
2w
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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

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