33 senior full stack software engineer jobs at 24 companies in Stratford, CT

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
1mo
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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
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
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
9h
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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
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
4w
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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
3mo
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Senior Software Engineer
Bronx, New York, United States
$150k-$180k/yr HybridFull Time
Essen Health Care
Essen Health Care: Provides multispecialty medical care and home-based healthcare services.
5+ YOE5+ years software engineering; full-stack; strong fundamentals; self-directed; tests; feature ownership.
Python, FastAPI, React, TypeScript, MSSQL, Redis, Azure, Terraform
2w
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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
3mo
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Senior Software Engineer
Fort Lee, New Jersey, United States
$110k-$160k/yr HybridFull Time
Ramsey Theory Group
Ramsey Theory Group: Technology holding firm developing enterprise software, AI, and cybersecurity platforms.
5+ YOE5+ years of professional software engineering; strong frontend with Next.js/React; backend with Django; full-stack feature delivery; familiarity with Celery/Redis; Docker; Kubernetes; GitLab CI/CD; focus on scalability and maintainability.
Next.js, React, Django, Celery, Redis, Docker, Kubernetes, GitLab CI/CD
2mo
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Sr Developer - Full Stack
Hauppauge, New York, United States
$111k-$158k/yr OnsiteFull Time
Stifel Financial
Stifel FinancialNYSE: SF: Financial services firm providing wealth management and investment banking.
6+ YOEBachelor's in computer science or related field; 6+ years software development; experience with C#/.NET, Angular, AngularJS; strong SDLC knowledge; leadership abilities.
C#, .NET, Angular, AngularJS, TFS, Git, MS SQL Server
1mo
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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
1w
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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
1w
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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
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 .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
1w
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Senior Software & Automation Engineer
Fort Lee, New Jersey, United States
$70k-$110k/yr OnsiteFull Time
USP Management
USP Management: Imports, processes, and distributes steel and aluminum coils.
5+ YOE5+ years software engineering experience; strong backend (TypeScript/Node.js, Python), full-stack (React/TypeScript), SQL databases, GCP experience preferred, bilingual English/Korean, ability to own end-to-end work and build AI-enabled automation.
TypeScript, Node.js, Python, React, BigQuery, Dataform, Data Studio, Google Apps Script, MySQL, PostgreSQL, GCP, AWS, Claude Code, ERP, SQL
2w
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Senior Software Engineer, Manufacturing Systems
Glen Cove, New York, United States
$180k-$210k/yr HybridFull Time
Standard Bots
Standard Bots: Develops and manufactures AI-powered robotic arms for industrial automation.
5+ YOE5+ years engineering experience; full-stack development with React/Typescript and Node.js/Python; PostgreSQL, GCP/AWS, Kubernetes, Docker; experience designing MRP/MES or production systems preferred.
React, Typescript, Node.js, Python, PostgreSQL, GCP, AWS, GraphQL, REST, Kubernetes, Docker
2d
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Senior Forward Deployed Software Engineer (FDE)
Holtsville or Lincolnshire
$97k-$145k/yr HybridFull Time
Zebra Technologies
Zebra TechnologiesNASDAQ: ZBRA: Provides enterprise-grade hardware and software for asset tracking.
5+ YOEBachelor's degree,5+ years software engineering experience (or 3+ with advanced degree),full-stack cloud and Android expertise,ability to deploy and debug in customer environments,and strong communication skills.
Java, Spring Boot, Hibernate, Node.js, Express, NestJS, JavaScript, TypeScript, ReactJS, Google Cloud (GCP), AWS, Azure, Docker, Kubernetes, CI/CD, Microservices, MySQL, PostgreSQL, MongoDB, Firebase, BigQuery, Android SDK, Kotlin, Claude Code, GitHub Copilot, Cursor, Git, GitHub
2d
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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