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Junior Frontend Developer Startup Jobs (NOW HIRING)

Frontend Developer

Boca Raton, FL · On-site

$97K - $113K/yr

They are seeking a Front-End Engineer to design, build, and scale user-facing applications ... in a startup environment • Strong communication and collaboration skills Preferred : • ...

New

Front End Developer

Boston, MA

$113K - $131K/yr

Grapevine is searching for a creative, talented, and fun Front-End Developer to join our product ... with a startup is preferred Benefits: Competitive Salary + Bonus Stock Options Health & Dental ...

Proven ability to lead frontend development efforts, including owning stories, driving implementation, and guiding junior developers * Strong understanding of scalable, maintainable frontend ...

Frontend Developer

El Segundo, CA · On-site

$126K - $138K/yr

Proven ability to lead frontend development efforts, including owning stories, driving implementation, and guiding junior developers * Strong understanding of scalable, maintainable frontend ...

Senior Frontend Developer

San Francisco, CA · On-site

$135K - $177K/yr

Senior Frontend Developer Frontend Engineering | San Francisco | In-Person About the Company We are ... Meaningful opportunity for impact in a high-growth startup environment. Work Model This is a ...

Sr. Front-end Developer

Los Angeles, CA · Hybrid

$123K - $162K/yr

Job Title: Sr. Front-End Developer Location: Los Angeles, CA Duration: Long Term Work Mode : Onsite ... Mentor junior developers and contribute to fostering a collaborative, high-performing team ...

Front End Developer

New York, NY · On-site

$113K - $132K/yr

Want to own the Qnary front end and work closely with the Product Manager as we continue to evolve ... Experience working in an Agile (Scrum) Environment in a startup company environment. * Experience ...

Sr. Front End Developer

Columbus, OH · On-site

$111K - $145K/yr

The candidate will also provide technical guidance and mentorship to junior developers. The Sr. Frontend Developer will contribute to architectural decisions, technology selection, and frontend best ...

Sr. Front-End Developer

Montebello, NY · On-site

$117K - $154K/yr

Full Time Sr. Front-End Developer Montebello, New York iPostal1 and our parent company USZoom have ... Guide junior developers, perform thorough code reviews, and foster a collaborative culture.

Front End Developer

Newark, CA · Hybrid

$117K - $136K/yr

Company Description Venture-backed fintech Startup SaveDay was founded with the vision to help ... At least 3 year experience as a front end engineer * Strong coding experience of JavaScript, with ...

Front End Developer

Newark, CA · On-site

$117K - $136K/yr

Company Description Venture-backed fintech Startup SaveDay was founded with the vision to help ... At least 3 year experience as a front end engineer * Strong coding experience of JavaScript, with ...

Front End Developer

New York, NY

$113K - $132K/yr

Want to own the Qnary front end and work closely with the Product Manager as we continue to evolve ... Experience working in an Agile (Scrum) Environment in a startup company environment Experience ...

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Junior Frontend Developer Startup information

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$24K

$89K

$137.5K

How much do junior frontend developer startup jobs pay per year?

As of Jun 19, 2026, the average yearly pay for junior frontend developer startup in the United States is $88,976.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,000.00 and $87,000.00 per year, depending on experience, location, and employer.

What is the difference between Junior Frontend Developer Startup vs Junior Web Developer?

AspectJunior Frontend Developer StartupJunior Web Developer
Required SkillsHTML, CSS, JavaScript, basic frameworksHTML, CSS, JavaScript, some backend knowledge
Work EnvironmentFast-paced startup, collaborative teamsVaries from startups to agencies, often more structured
Industry UsageCommon in tech startups and small companiesWidespread across industries including agencies and corporate IT
Search & Comparison IntentFocus on frontend skills, startup cultureBroader web development roles, full-stack potential

In summary, Junior Frontend Developer Startup roles focus on frontend skills within dynamic startup environments, while Junior Web Developer positions may include both frontend and backend tasks across various industries. The choice depends on your preferred work setting and skill focus.

More about Junior Frontend Developer Startup jobs
What cities are hiring for Junior Frontend Developer Startup jobs? Cities with the most Junior Frontend Developer Startup job openings:
What are the most commonly searched types of Frontend Developer Startup jobs? The most popular types of Frontend Developer Startup jobs are:
What states have the most Junior Frontend Developer Startup jobs? States with the most job openings for Junior Frontend Developer Startup jobs include:

Frontend Developer

Tradeify

Boca Raton, FL • On-site

$97K - $113K/yr

Full-time

Posted 2 days ago


Job description

Job Summary:
Tradeify is a rapidly scaling fintech company focused on building a high-performance trading ecosystem for global traders. They are seeking a Front-End Engineer to design, build, and scale user-facing applications, ensuring high performance and intuitive interfaces for traders.
Responsibilities:
• Build responsive, high-performance web applications using modern frontend frameworks
• Translate designs into pixel-accurate, accessible, and performant UI components
• Develop and maintain a scalable design system and component library
• Implement real-time dashboards, data visualizations, and trading-related interfaces
• Optimize for Core Web Vitals, rendering performance, and cross-browser compatibility
• Architect client-side state management for complex, data-intensive applications
• Integrate with REST APIs and WebSocket streams for real-time market data
• Build efficient data-fetching layers with caching, polling, and streaming support
• Handle high-frequency UI updates with minimal performance overhead
• Partner with Design to refine UX flows and maintain consistency across the product
• Write clean, well-tested, and maintainable component code
• Contribute to frontend tooling, build systems, and CI/CD pipelines
• Participate in code reviews and help define frontend engineering standards
• Troubleshoot performance and rendering issues in production
Qualifications:
Required:
• 6+ years of experience in frontend or UI engineering
• Expert-level proficiency in React and TypeScript
• Strong understanding of Next.js or similar SSR/SSG frameworks
• Experience building real-time or data-dense interfaces (dashboards, charts, tables)
• Deep understanding of browser rendering, CSS architecture, and web performance optimization
• Familiarity with state management libraries such as Zustand, Redux, or Jotai
• Experience integrating WebSocket or streaming APIs on the frontend
• Solid understanding of accessibility standards (WCAG) and responsive design
• Ability to work independently and move quickly in a startup environment
• Strong communication and collaboration skills
Preferred:
• Experience within fintech, trading, crypto, or financial data products
• Familiarity with charting libraries such as TradingView, D3.js, Recharts, or ECharts
• Exposure to real-time market data feeds or order book visualizations
• Experience building or maintaining design systems and component libraries
• Knowledge of animation and micro-interaction libraries (Framer Motion, GSAP)
• Familiarity with testing frameworks such as Vitest, Jest, Playwright, or Cypress
• Experience with AI-assisted development workflows and engineering automation
Company:
Tradeify is a finacial services company. Founded in 2021, the company is headquartered in Miami, USA, with a team of 51-200 employees. The company is currently Growth Stage.