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Sr Frontend Developer Jobs in Connecticut (NOW HIRING)

Interactive Brokers

Senior Frontend Developer

Greenwich, CT · On-site

$129K - $169K/yr

Set direction and partner with other frontend engineers to implement new technologies * Work with a team of intelligent, intense and fast-moving co-workers. Which skills are required: * Bachelor's or ...

Mindlance

Front End Developer

Hartford, CT · On-site

$104K - $122K/yr

They are seeking a Senior Front End Developer who will be responsible for hands-on front end development in JavaScript and .NET, focusing on the estimation, development, and implementation of ...

nLeague

Senior Developer

Hartford, CT · On-site

$55 - $72.75/hr

Web accessibility developer Job Id: Digital Accessibility -Website Developer Client: CT DAS ... Apply accessibility fixes to front-end code and markup issues identified through audits (i.e. color ...

NDC

Front End Java Developer

Greenwich, CT

Direct Hire position Multiple levels - Jr, Senior Visa Sponsorship/Transfer possible Relocation Benefits provided RESPONSIBILITIES: We are seeking a Java Developer/Web Apps for our Web Development ...

Compunnel

ESRI Web Developer

Hartford, CT · On-site

Job Summary We are seeking a Senior ESRI Web Developer to design, develop, and maintain enterprise ... and experience with modern front-end technologies and cloud-based GIS solutions. Key ...

RCN Capital LLC

Senior Software Engineer

South Windsor, CT · On-site

$119K - $156K/yr

Design, build, and maintain React and TypeScript front-end applications using modern patterns and ... Strong experience with Azure (App Services, AI Search, Key Vault) and Azure DevOps/GitHub Actions ...

TicketNetwork

Senior Software Engineer

South Windsor, CT · On-site

$119K - $156K/yr

Design, build, and maintain React and TypeScript front-end applications using modern patterns and ... Strong experience with Azure (App Services, AI Search, Key Vault) and Azure DevOps/GitHub Actions ...

INSPYR Solutions

Sr. UX Designer

Greenwich, CT · On-site

S. Sr. UX Designer We are seeking an experienced Senior UX Designer to lead the design of ... Experience collaborating closely with front-end developers to ensure high-quality implementation.

The Hartford

Senior Security Engineer

Hartford, CT · Hybrid

$115K - $158K/yr

Strong security application development experience (frontend, backend, APIs, integrations). This ... AWS Certification (e.g., Solutions Architect, DevOps Engineer) Compensation The listed annualized ...

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All JobsSr Frontend Developer JobsSr Frontend Developer Jobs in Connecticut

Sr Frontend Developer information

What is the difference between Sr Frontend Developer vs Frontend Developer?

AspectSr Frontend DeveloperFrontend Developer
Required ExperienceTypically 5+ years, leadership skills1-3 years, entry to mid-level
ResponsibilitiesAdvanced coding, mentoring, project leadershipImplementing UI features, bug fixes
Skills & CertificationsExpertise in JavaScript, frameworks, leadershipHTML, CSS, JavaScript basics
Work EnvironmentSenior roles in teams, project planningDevelopment teams, collaborative projects

The main difference between a Sr Frontend Developer and a Frontend Developer lies in experience, responsibilities, and leadership. Senior developers handle complex tasks, mentor others, and lead projects, while frontend developers focus on implementing features and fixing bugs. Both roles require strong JavaScript, HTML, and CSS skills, but senior roles demand more experience and strategic input.

What is a Sr Frontend Developer?

Sr Frontend Developers are experienced software engineers who specialize in building and optimizing the user interfaces of web applications. They are responsible for translating design mockups into interactive, responsive, and accessible web pages using technologies like HTML, CSS, and JavaScript frameworks (such as React, Angular, or Vue). In addition to coding, Sr Frontend Developers often lead technical decisions, mentor junior developers, and collaborate closely with designers and backend engineers to deliver high-quality user experiences. Their expertise ensures that web applications are visually appealing, performant, and user-friendly.

What are some common challenges faced by Sr Frontend Developers when working on cross-functional teams?

Sr Frontend Developers often collaborate closely with backend engineers, UX/UI designers, and product managers. A common challenge in these environments is ensuring clear communication of technical requirements and design expectations to avoid misunderstandings that can lead to rework. Balancing user experience with technical feasibility is another frequent hurdle, especially when negotiating priorities between design vision and performance constraints. Effective Sr Frontend Developers proactively bridge gaps through strong documentation, regular alignment meetings, and by advocating for best practices in both development and design.

What are the key skills and qualifications needed to thrive as a Sr Frontend Developer?

To thrive as a Sr Frontend Developer, you need deep expertise in HTML, CSS, JavaScript, and modern front-end frameworks like React or Angular, usually backed by a degree in computer science or equivalent experience. Advanced knowledge of tools such as Git, Webpack, RESTful APIs, and proficiency with testing frameworks is typically required. Outstanding problem-solving abilities, strong collaboration, and effective communication set top performers apart in this role. These skills ensure the delivery of high-quality, user-friendly interfaces and seamless teamwork in fast-paced development environments.
What are popular job titles related to Sr Frontend Developer jobs in Connecticut? For Sr Frontend Developer jobs in Connecticut, the most frequently searched job titles are:
What job categories do people searching Sr Frontend Developer jobs in Connecticut look for? The top searched job categories for Sr Frontend Developer jobs in Connecticut are:
What cities in Connecticut are hiring for Sr Frontend Developer jobs? Cities in Connecticut with the most Sr Frontend Developer job openings:
Sr Frontend Developer jobs near you
Infographic showing various Sr Frontend Developer job openings in Connecticut as of July 2026, with employment types broken down into 96% Full Time, 2% Part Time, and 2% Contract. Highlights an 84% Physical, 6% Hybrid, and 10% Remote job distribution.

Senior Frontend Developer

Interactive Brokers

Greenwich, CT • On-site

$129K - $169K/yr

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 10 days ago

Job description

About the Company
Interactive Brokers Group, Inc. (NASDAQ: IBKR), a member of the S&P 500, is a global financial services company headquartered in Greenwich, Connecticut, with offices in over 15 countries. Through its affiliates, Interactive Brokers provides automated trade execution and custody of securities, commodities, foreign exchange, and prediction markets on over 170 markets in numerous countries and currencies.
For more than four decades, Interactive Brokers has focused on technology, automation, and innovation to provide clients worldwide with a sophisticated, unified platform to manage their investment portfolios. We serve individual investors, hedge funds, proprietary trading groups, financial advisors, and introducing brokers.
Our culture is driven by problem-solving, efficiency, and continuous improvement. We look for individuals who are intellectually curious, collaborative, and motivated to contribute to technology that helps simplify and enhance access to global financial markets. Interactive Brokers has consistently been recognized as a top broker by respected industry sources including Barron's, Investopedia, Stockbrokers.com, and others.
This is a hybrid role (3 days in the office/2 days remote).
About Your Team:
Join our UI brokerage Web Application Engineering team! We build application UIs with web technology that ship inside IBKR's native trading platforms. The majority of our work is embedded directly into the desktop and mobile clients, where it runs seamlessly as part of the native experience, alongside our client-facing web application. We work in a micro frontend architecture built on Vue 3 and TypeScript, which lets us ship independently deployable apps across multiple host platforms. We use AI-assisted and agentic development heavily and are actively building it into our standard engineering practice, with coding agents and AI tooling as part of the team's daily work.
What will be your responsibilities within IBKR:
  • Design and build scalable web applications within the VueJs ecosystem (VueJs, Vuex, Pinia, Vite, Cypress, webpack)
  • Owning and building high-traffic applications with a focus on speed and user experience.
  • Collaborating with colleagues and peers to ideate, plan, and organize large-scale projects.
  • Contribute and help maintain our company-wide Vue UI Component Library
  • Set direction and partner with other frontend engineers to implement new technologies
  • Work with a team of intelligent, intense and fast-moving co-workers.

Which skills are required:
  • Bachelor's or Master's Degree in Computer Science or related area
  • 5+ years of commercial software development experience with an emphasis on single-page web app development
  • Hands-on experience with at least one JavaScript framework - React.js/Vue.js/Angular.js (we are Vue.js fans, so Vue.js is a plus!)
  • AI/Agentic Development - must be fluent with Claude Code or similar agentic dev tools; applied AI experience (agents, MCP, AI features in production) is a strong plus
  • Highly proficient in JavaScript, HTML, CSS/LESS
  • Maintain high code quality standards, functional specification documentation, and deliverables.
  • Experience integrating 1st and 3rd party APIs
  • Experience working with webpack and Vite
  • A proactive and enthusiastic attitude and technical orientation are required.
  • The ability to pay attention to detail

Company Benefits & Perks
  • Competitive salary, annual performance-based bonus, and stock grant awards
  • 401(k) retirement plan with competitive company match
  • Excellent health and wellness benefits, including medical, dental, and vision benefits. 100% employer-paid medical premiums, with generous employer contributions to dental & vision plans as well.
  • Wellness screening and assessments, health coaches, and counseling services through an Employee Assistance Program (EAP)
  • Generous paid parental leave (up to 16 weeks paid parental leave for eligible employees)
  • Company-paid basic life insurance, accidental death & dismemberment (AD&D), and short- and long-term disability coverage
  • Flexible Spending Accounts (Healthcare, Dependent Care, and Commuter FSAs)
  • Quarterly fitness stipend to offset costs associated with traditional gym and fitness memberships or fees
  • Education reimbursement and professional development opportunities
  • Legal services, telehealth access, and voluntary insurance options
  • Backup child and adult care support through Care.com
  • Daily lunch allowance and fully stocked kitchen with healthy breakfast and snack options

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