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Senior Full Stack React Developer Jobs in Connecticut

We are seeking a highly motivated and skilled Full-Stack Developer to join our team and play a crucial role in developing a data submission ETL portal. This portal will serve as a central hub for ...

Net Full stack Location - Stamford, CT Duration -Contract/Full Time (Preferred) Description • The software developer must have a minimum of 7 years relevant industrial experience of the following ...

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As one of the first Full Stack Engineers at Icon, you'll be a driving force behind crafting our ... Experience with one or several front-end JavaScript frameworks like React, Node, Angular

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Senior Full Stack React Developer information

What are the key skills and qualifications needed to thrive as a Senior Full Stack React Developer, and why are they important?

To thrive as a Senior Full Stack React Developer, you need advanced proficiency in JavaScript, React, Node.js, and both front-end and back-end development, supported by a degree in computer science or equivalent experience. Familiarity with tools like Git, Docker, RESTful APIs, cloud platforms (such as AWS or Azure), and CI/CD pipelines, along with knowledge of TypeScript and relevant certifications, is typically expected. Excellent problem-solving, leadership, and communication skills help you collaborate effectively and mentor junior developers. These skills are crucial for delivering scalable, high-quality web applications and driving innovation within development teams.

What are some typical challenges a Senior Full Stack React Developer faces when working on large-scale projects?

Senior Full Stack React Developers often encounter challenges related to maintaining code quality and consistency across both the frontend and backend, especially as projects scale. Coordinating with cross-functional teams to integrate new features while ensuring existing functionality remains stable can be complex. Additionally, optimizing application performance and managing technical debt are ongoing responsibilities. Effective communication and collaboration skills are crucial, as the role often involves mentoring junior developers and participating in architectural decisions.

What does a Senior Full Stack React Developer do?

A Senior Full Stack React Developer designs, develops, and maintains both the front-end and back-end components of web applications, with a focus on using React for the user interface. They are responsible for ensuring seamless integration between the client-side and server-side logic, often working with databases, APIs, and cloud services. In addition to coding, they provide technical leadership, mentor junior developers, and help define the overall architecture and best practices for web projects.
What are popular job titles related to Senior Full Stack React Developer jobs in Connecticut? For Senior Full Stack React Developer jobs in Connecticut, the most frequently searched job titles are:
What job categories do people searching Senior Full Stack React Developer jobs in Connecticut look for? The top searched job categories for Senior Full Stack React Developer jobs in Connecticut are:
What cities in Connecticut are hiring for Senior Full Stack React Developer jobs? Cities in Connecticut with the most Senior Full Stack React Developer job openings:
Infographic showing various Senior Full Stack React Developer job openings in Connecticut as of May 2026, with employment types broken down into 100% Full Time. Highlights an 46% In-person, and 54% Remote job distribution.
Full-Stack Developer

Full-Stack Developer

InstantServe LLC

Hartford, CT • On-site

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.


Job description

Summary:
We are seeking a highly motivated and skilled Full-Stack Developer to join our team and play a crucial role in developing a data submission ETL portal. This portal will serve as a central hub for collecting, transforming, and loading data from various sources into our data warehouse.
Hybrid Position - Hartford. Minimum one day per week onsite- no exceptions. Preferred shift is 7:30-4:00. Must follow State holiday schedule.
Responsibilities:
• Develop, and implement the data submission ETL portal using .NET technologies (e.g., C#, ASP.NET MVC, ASP.NET Core)
• Develop RESTful APIs for data submission and retrieval.
• Integrate with various data sources using appropriate technologies (e.g., APIs, file uploads, data pipelines)
• Design and implement data transformation logic using SQL (e.g., stored procedures, triggers)
• Build user interfaces for data submission, tracking, and reporting using modern web technologies (e.g., HTML, CSS, JavaScript)
• Implement robust error handling and logging mechanisms.
• Write unit and integration tests to ensure code quality and functionality.
• Deploy and maintain the application in a production environment.
• Collaborate closely with data analysts, business stakeholders, and other developers.
Requirements:
• Minimum of 5 years of experience as a Full-Stack Developer
• (SSRS) SQL Server Reporting Services experience necessary.
• Strong proficiency in C#, ASP.NET MVC/Core, and SQL
• Experience with data integration and ETL processes
• Experience with building RESTful APIs
• Strong understanding of web development principles (HTML, CSS, JavaScript)
• Experience with unit testing and test-driven development (TDD)
• Experience with continuous integration and continuous delivery (CI/CD) pipelines
• Ability to work independently and as part of a team
• Problem-solving and critical thinking skills
• Experience with QA methodologies
Preferred:
• (SSIS) SQL Server Integration Services
• (SSAS) SQL Server Analysis Services
Experience
• Database, Data Warehousing, Proficient (4-6 Years), Yes
• Database, Microsoft SQL Server, Proficient (4-6 Years), Yes
• Design, AJAX, Proficient (4-6 Years), Yes
• Design, CSS, Proficient (4-6 Years), Yes
• Design, HTML DOM, Proficient (4-6 Years), Yes
• Languages, ASP. NET, Proficient (4-6 Years), Yes
• Languages, C#, Proficient (4-6 Years), Yes
• Languages, JavaScript, Proficient (4-6 Years), Yes
• Languages, JSON, Proficient (4-6 Years), Yes
• Languages, SQL, Proficient (4-6 Years), Yes
• Languages, XML, Proficient (4-6 Years), Yes
• Tools, Microsoft Visual Studio .NET, Proficient (4-6 Years), Yes
• Tools, MicrosoftOffice, Proficient (4-6 Years), Yes
Tools, SQL Server Reporting Services (SSRS), Proficient (4-6 Years), Yes

InstantServe logo

About InstantServe

Sourced by ZipRecruiter

InstantServe provides a one-stop solution to all Healthcare, IT/Non-IT Staffing needs. Established in 2016, InstantServe is a strong workforce of over 100+ go-getters with a demonstrated background in IT/Non-IT service. We are a nationally certified SBE from the Department of Administration (State of PA). As a proud Minority Woman Owned Small Business Enterprise (M/WBE), InstantServe boasts of a strong team of professionals who have extensive experience catering to several Federal, Public, Commercial, and Healthcare Clients which includes 26 States and 46 government agencies. InstantServe is a client-centric organization that offers cost-effective and reliable solutions. Client satisfaction is sacrosanct! Our team strives to provide the best staffing and IT solutions to take your business to the next level.

Industry

Recruiting and staffing services

Company size

11 - 50 Employees

Headquarters location

Wayne, PA, US

Year founded

2016

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