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Frontend Engineer Ii Jobs (NOW HIRING)

Peraton

Front-End Engineer

Annapolis Junction, MD · On-site

$86K - $138K/yr

The Frontend Engineer ensures a seamless, responsive user experience for analysts and program ... Understanding of accessibility standards (WCAG 2.1) * Experience with state management patterns and ...

Catena Clearing

Frontend Engineer

Frontend Engineer Catena • Remote (US) • Full-Time The Short Version We normalize real-time ... 2, and leading industry angels. Customers are already using us in production and many of them are ...

Staffingine LLC

Frontend Engineer

New York, NY · On-site

Job Title: Frontend Engineer Job Location: New York City, NYC Job Type: Full-Time * Solid full ... Have 2+ years of software development experience. * Enjoy working in person 5 days a week in NYC.

Peraton

Front-End Engineer

Basking Ridge, NJ

$86K - $138K/yr

The Frontend Engineer ensures a seamless, responsive user experience for analysts and program ... Understanding of accessibility standards (WCAG 2.1) * Experience with state management patterns and ...

Redolent, Inc

Front-End Engineer

Sunnyvale, CA

One of our direct client is urgently looking for a Front-End Engineer @ Sunnyvale @ CA Or ... systems is a must - 2+ years of experience with integrating 3rd party solutions in existing ...

Tavily Inc

Front-End Engineer

New York, NY · On-site

$100K - $200K/yr

Develop billing and subscription experiences integrated with Stripe What You Bring * 2-5 years of professional front-end engineering experience * Experience building and maintaining applications in ...

Benji

Senior Front End Engineer

New York, NY · On-site

$134K - $184.30K/yr

Own versioning, backward compatibility, and developer ergonomics 2. Own Frontend Architecture (Vue3 + TypeScript) * Build and scale applications using Vue 3 + TypeScript * Define frontend ...

campus4tech

Frontend Engineer

Vienna, VA · On-site

Title: Front-End Engineer (Mid-to-Senior Level) Contract Duration: 06+ Months W2 Candidates only ... Knowledge and experience with WCAG 2.0 accessibility standards and guidelines * Experience with ...

Carimus

Front End Engineer

Raleigh, NC · Hybrid

The Front End Engineer is responsible for designing and coding functional programs and applications ... Raleigh, NC (Hybrid) In office 2-3 days per week What you'll do... * Create scalable software ...

Halliday

Front End Engineer

San Francisco, CA · On-site

As a Frontend Engineer at Halliday, you'll build user-facing products that power the future of ... Required : • 2+ years of experience building production frontend applications with React and ...

Avoca AI

Frontend Engineer

New York, NY · On-site

$170K - $270K/yr

We grew 10x in 2025 and have scaled to 100+ employees in under two years across our NYC ... About the Role We're looking for out founding Frontend Engineer who thrives at the intersection of ...

Etherfi

Front End Engineer

New York, NY · On-site

$130K - $160K/yr

As an Intermediate Front End Engineer, you will form a key part our engineering team focusing on ... You have shipped impressive products with thousands of real users * 2 - 5 years of professional ...

Klarity

AI Frontend Engineer

San Francisco, CA · On-site

They are seeking an AI Frontend Engineer to work at the intersection of product design and frontend ... Required : • 1-2 years of shipping production code (or exceptional new grads with strong ...

Clarify Inc

Frontend Engineer

Seattle, WA · On-site

$150K - $215K/yr

About the role You'll join Clarify as a founding Frontend Engineer, building the interfaces that ... We bring the full team together 2-3 times a year for offsites. Our Seattle-based employees work ...

ClickUp

Staff Frontend Engineer

$200K - $250K/yr

Lead development of complex product features and frontend systems in Angular 2+ and React ... Drive engineering best practices across testing, observability, code quality, and maintainability

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All JobsFrontend Engineer Ii Jobs

Frontend Engineer Ii information

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$61K

$138.9K

$198K

How much do frontend engineer ii jobs pay per year?

As of May 31, 2026, the average yearly pay for frontend engineer ii in the United States is $138,932.00, according to ZipRecruiter salary data. Most workers in this role earn between $113,000.00 and $161,500.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Frontend Engineer II, and why are they important?

To thrive as a Frontend Engineer II, you need advanced proficiency in HTML, CSS, JavaScript, and modern frameworks like React or Angular, often backed by a bachelor's degree in computer science or related field. Familiarity with version control systems (such as Git), responsive design tools, and testing frameworks is typically required. Strong problem-solving abilities, attention to detail, and effective communication help you excel in cross-functional teams and deliver high-quality user experiences. These skills are essential to building scalable, maintainable, and visually appealing web applications that meet user and business needs.

What are some common challenges Frontend Engineer IIs face when collaborating with backend teams?

Frontend Engineer IIs often encounter challenges when aligning frontend features with backend APIs, particularly when there are discrepancies in data structures or unclear documentation. Effective communication is crucial to clarify requirements and ensure that both teams are synchronized on integration points and timelines. Additionally, coordinating on performance optimization and security considerations requires proactive collaboration to deliver a seamless user experience. Regular meetings and use of shared tools like API documentation platforms can help bridge these gaps.

What does a Frontend Engineer II do?

A Frontend Engineer II is a mid-level software developer specializing in building and maintaining the user-facing parts of web applications. They work with technologies like HTML, CSS, and JavaScript frameworks (such as React or Angular) to create interactive and visually appealing interfaces. In addition to coding, they may collaborate with designers and backend engineers, review code, and help ensure applications are responsive and accessible. Their experience level allows them to tackle more complex projects and mentor junior team members.

What is the difference between Frontend Engineer Ii vs Frontend Engineer I?

CriteriaFrontend Engineer IiFrontend Engineer I
Required CredentialsBachelor's in CS or related field, experience with JavaScript frameworksSimilar educational background, entry-level experience preferred
Work EnvironmentCollaborative teams, Agile development, fast-paced projectsSame environment, often under supervision or mentorship
Employer & Industry UsageTech companies, startups, digital agenciesSame industries, entry-level roles in tech
Search & Comparison IntentHigher experience, more responsibilitiesEntry-level, learning role

The main difference between a Frontend Engineer Ii and a Frontend Engineer I is experience level and responsibilities. The Frontend Engineer Ii typically has more hands-on experience, handles more complex tasks, and contributes more independently, while the Frontend Engineer I is often an entry-level role focused on learning and supporting team efforts.

More about Frontend Engineer Ii jobs
What cities are hiring for Frontend Engineer Ii jobs? Cities with the most Frontend Engineer Ii job openings:
What states have the most Frontend Engineer Ii jobs? States with the most job openings for Frontend Engineer Ii jobs include:
What job categories do people searching Frontend Engineer Ii jobs look for? The top searched job categories for Frontend Engineer Ii jobs are:
Frontend Engineer Ii jobs near you
Infographic showing various Frontend Engineer Ii job openings in the United States as of May 2026, with employment types broken down into 100% Full Time. Highlights an 71% In-person, and 29% Remote job distribution, with an average salary of $138,932 per year, or $66.8 per hour.
Front-End Engineer

Front-End Engineer

Peraton

Annapolis Junction, MD • On-site

$86K - $138K/yr

Full-time

Posted 12 days ago

Peraton rating

8.3

Company rating: 8.3 out of 10

Based on 52 frontline employees who took The Breakroom Quiz

37th of 203 rated it services

Job description

Responsibilities
Peraton Labs is seeking a Front-end Engineer to design and implement the user-facing components of a generative AI platform, including the workbook/worksheet interface, artifact rendering pipeline, interactive visualizations, and program management dashboards. The Frontend Engineer ensures a seamless, responsive user experience for analysts and program managers working with complex data.
Key Responsibilities
  • Build and maintain the workbook/worksheet UI, including conversation management, file workspace browser, and artifact preview panels
  • Implement rendering pipelines for diverse content types: Markdown, HTML, SVG, Plotly JSON, interactive Gantt charts (.msp.json), and data tables
  • Develop domain-specific UI components
  • Build the skills autocomplete system, slash-command UX, and mode selector interface
  • Implement the Data Explorer UI panel for interactive database browsing and filtering
  • Create responsive, accessible interfaces that work across desktop and tablet form factors
  • Optimize frontend performance for large datasets and complex visualizations
  • Collaborate with Visualization/Dashboard Engineers on interactive chart component

Qualifications
Required Qualifications
  • 5+ years of experience with a Bachelor's degree, 3+ years with a Master's degree, or a PhD in Computer Science, UX Engineering, or related field
  • Hands-on professional front-end engineering experience
  • Working knowledge of Python
  • Expert proficiency in React and TypeScript
  • Experience with data visualization libraries (Plotly.js, D3.js, or similar)
  • Strong CSS/styling skills; experience with UX principles and responsive design
  • Understanding of accessibility standards (WCAG 2.1)
  • Experience with state management patterns and frontend architecture
  • Familiarity with WebSocket or server-sent events for real-time updates
  • US Citizenship with the ability to obtain/maintain a Secret clearance

Preferred Qualifications
  • Experience building analytical or BI dashboard interfaces
  • Familiarity with Markdown rendering and code editor components
  • Knowledge of SVG manipulation and animation

Peraton Overview
Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.
Target Salary Range
$86,000 - $138,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.
EEO
EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

What Peraton employees say

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Hours and flexibility

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About Peraton

Sourced by ZipRecruiter

At Peraton, we re at the forefront of delivering the next big thing every day. We re the partner of choice to help solve some of the world s most daunting challenges, delivering bold, new solutions to keep people around the world safer and more secure.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Herndon, VA, US

Year founded

2017

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