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Junior Frontend Software Engineer Jobs in Arizona

Fullbay

Principal Software Engineer

Phoenix, AZ · On-site

$174K - $190K/yr

... junior engineers. You stay current with industry practices and thoughtfully evaluate how new ... Frontend: TypeScript, React (modern patterns with hooks), Module Federation for micro-frontends

Phase2 Technology

Senior Software Engineer

Tucson, AZ · On-site

$117.88 - $153.25/hr

Mentor and train junior software engineers and student researchers. * Author the technical content of grant proposals and advise on research funding strategy. Knowledge, Skills, and Abilities

American Express

Sr Software Engineer I

Phoenix, AZ · On-site

$123K - $215K/yr

Mentor junior Software Engineers and cross-functional team of colleagues, fostering a culture of ... Proficiency in front-end technologies including HTML5, CSS3, JavaScript/TypeScript, and component ...

Siemens AG

Senior Software Engineer

Tempe, AZ · On-site

$157.93 - $233.30/hr

Collaborate with Product Owners, Frontend & Backend teams to evaluate and shape modularization and ... or in a Software Developer-related occupation. Alternatively, employer will accept a Master ...

American Express

Senior Software Engineer II

Phoenix, AZ · On-site

$123K - $215K/yr

Provides mentorship and technical leadership to junior engineers, fostering a culture of continuous ... Proficiency in front-end technologies including HTML5, CSS3, JavaScript/TypeScript, and component ...

State Farm

Software Engineer

Tempe, AZ · Hybrid

Collaborate with product owners, engineers, and business partners to deliver valuable software ... Modern frontend frameworks such as Angular or React Experience with disaster recovery, resiliency ...

Mondo

Lead Software Engineer

Tempe, AZ · On-site

$65 - $73/hr

Lead Software Engineer Location-Type: Wilmington, DE - Hybrid 3 days onsite Start Date Is: June 22 ... Strong hands-on frontend engineering experience with React, TypeScript, and JavaScript * Strong ...

Rincon Research Corp

Sr. Software Engineer

Tucson, AZ · On-site

$190K - $260K/yr

You also will provide technical leadership and guidance to junior team members and mentor others ... Highly proficient in modern software engineering practices for testability and readability * Highly ...

Oscar Health

Staff Software Engineer, Fullstack

Tempe, AZ · Hybrid

$192K - $252K/yr

About the role We are hiring for Staff Software Engineers, Fullstack (with a frontend lean) to join ... junior engineers. This is an authentic Oscar Health job opportunity. Learn more about how you can ...

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Junior Frontend Software Engineer information

What are the key skills and qualifications needed to thrive as a junior frontend software engineer, and why are they important?

To thrive as a Junior Frontend Software Engineer, you need proficiency in HTML, CSS, JavaScript, and a basic understanding of responsive web design, often backed by a computer science degree or relevant coursework. Familiarity with frameworks like React or Vue.js, version control systems such as Git, and basic debugging tools is typically expected. Strong problem-solving skills, attention to detail, and effective communication help you collaborate with team members and quickly learn on the job. These skills and qualities are crucial for building user-friendly interfaces, maintaining code quality, and integrating smoothly into development teams.

What does a junior frontend software engineer do?

A Junior Frontend Software Engineer is responsible for developing and maintaining the user interface of web applications. They work with technologies like HTML, CSS, and JavaScript to create visually appealing and interactive websites. Typically, they collaborate with designers and backend developers to ensure that the application is both functional and user-friendly. Juniors often focus on learning best practices, fixing bugs, and implementing new features under the guidance of more experienced engineers.

What are common challenges faced by junior frontend software engineers when transitioning from learning to working on production code?

Junior Frontend Software Engineers often find adapting to real-world codebases challenging, as they tend to be larger, more complex, and involve collaboration with multiple team members. They may encounter difficulties understanding legacy code, adhering to established coding standards, and using version control systems effectively. Additionally, balancing the need for rapid feature development with maintaining code quality and usability can be an adjustment. Support from senior engineers and regular code reviews are valuable in overcoming these challenges and building confidence.

What is the difference between Junior Frontend Software Engineer vs Junior Web Developer?

AspectJunior Frontend Software EngineerJunior Web Developer
Required CredentialsTypically a degree in Computer Science or related field, familiarity with HTML, CSS, JavaScriptOften a degree or self-taught, basic knowledge of HTML, CSS, JavaScript
Work EnvironmentCollaborates with designers, backend developers, and product teams in tech companiesWorks on website or application development, often in digital agencies or freelance projects
Employer & Industry UsageUsed in tech startups, software companies, and enterprises focusing on web applicationsCommon in digital agencies, freelance work, and small business websites

The main difference is that Junior Frontend Software Engineers typically have a more technical focus on building and maintaining complex web applications, often requiring a deeper understanding of programming concepts. Junior Web Developers usually focus on creating and maintaining websites, with a broader but less specialized skill set. Both roles often require similar foundational skills but differ in scope and complexity.

Junior Frontend Software Engineer jobs near you

Principal Software Engineer

Fullbay

Phoenix, AZ • On-site

$174K - $190K/yr

Full-time

Re-posted 14 hours ago

Job description

Principal Software Engineer
About Us:
At Fullbay, our mission is simple - to create safer roads for our families and yours. As leaders in the heavy-duty repair industry, we power shops with technology that helps them run smarter and more efficiently. As an AI-First company, we invite artificial intelligence to eliminate friction, spark innovation, and drive efficiencies in every conversation- for our teams and our customers.
Position Overview:
The Principal Software Engineer is a force-multiplier and technical leader who drives innovation, establishes best practices, and solves complex problems across Fullbay's SaaS platform helping independent mechanics manage their businesses. You'll combine exceptional technical depth with the breadth of experience needed to tackle any challenge-from architecting scalable distributed systems to mentoring engineers and influencing organizational strategy. This role requires someone who can quickly prototype solutions, deliver proof-of- concepts with new technologies, and turn big ideas into reality while maintaining production excellence.
You'll work as part of the Principal Engineers team-a unified group that coordinates cross-domain architectural decisions, establishes technical standards, and provides strategic guidance across the organization. While you'll be assigned to specific domain teams, your primary responsibility is organizational impact, not embedding in day-to-day execution.
What Sets You Apart
You're not just technically excellent-you're a teacher, mentor, and role model who helps elevate the team's capabilities. You have deep product knowledge and can effectively troubleshoot complex issues. When uncertain, you know how to debug systematically to get to the root cause. You're comfortable with greenfield projects and navigating ambiguity. You think strategically about long-term architecture while maintaining focus on delivering practical business value. You can communicate effectively with different audiences-adjusting your message for leadership, peers, and junior engineers. You stay current with industry practices and thoughtfully evaluate how new techniques could improve our products. You demonstrate ownership of production systems, taking responsibility for outcomes and fostering a culture
focused on learning and improvement. You're willing to drive consensus through ADRs and documentation rather than dictating solutions.
Primary Duties & Responsibilities:
  • Technical Leadership & Innovation
  • Design and implement complex, high-impact features that significantly increase business value and advance Fullbay's capabilities
  • Drive architectural decisions that simplify implementations, improve performance, and establish patterns for the entire engineering organization
  • Investigate and evaluate new technologies, establish the technical platform, and define the stack
  • Quickly prototype solutions and deliver proof-of-concepts that turn speculative ideas into concrete implementations
  • Own production excellence-proactively identify issues, establish monitoring standards, and drive performance, scale, and availability goals
  • Cross-Organizational Impact
  • Work with principal engineers as a unified team to coordinate on technical initiatives spanning multiple domains
  • Establish and promote best practices for software development, including coding standards, system design patterns, and integration approaches
  • Lead Architecture Decision Record (ADR) processes and ensure alignment on technical standards
  • Serve as technical advisor to senior leadership-communicate development goals, progress, and strategic direction
  • Collaborate with the dev lead to define entry/exit criteria for how Product, QA, and Development teams work together, including checkpoints and release cadence
  • Mentorship & Team Development
  • Train engineers across the organization on modern programming practices, platform capabilities, and effective use of tools
  • Mentor other engineers through code reviews, pairing sessions, and formal training
  • Establish code review standards, branching strategies, and software development methodologies
  • Serve as the "go-to" expert for complex technical challenges across multiple teams
  • Build trust and rapport with fellow principal engineers to amplify collective impact
  • Platform & Process Excellence
  • Work with the Internal Developer Platform to improve developer experience and productivity
  • Establish metrics and standards for performance, scale, and availability
  • Evaluate and integrate third-party technologies to enhance the Fullbay stack
  • Define processes and frameworks for how engineering work happens across the organization
  • Contribute to FinOps initiatives and AWS cost optimization strategies
  • Work with 3d party applications and companies to add to our Fullbay stack for best results
  • Adheres to all confidentiality and compliance regulations.
  • Performs other duties as assigned.

Our Technical Environment
  • Frontend: TypeScript, React (modern patterns with hooks), Module Federation for micro-frontends
  • Backend: Java (Quarkus, SnapStart optimization), Node.js/TypeScript, Go
  • AWS Services: Lambda (with Lambda resolvers for AppSync), Fargate, AppSync (GraphQL APIs with VTL and JavaScript resolvers), DynamoDB, EventBridge, Step Functions, API Gateway, CloudFront, WAF
  • Architecture: Microservices, event-driven systems, serverless-first approach
  • Tools: GitHub Enterprise, Terraform for Infrastructure as Code, AI-enhanced development (Claude Code)

Minimum Education & Work Experience:
  • 10-15 years of experience in software design and development
  • Bachelor's degree in Computer Science or equivalent experience
  • Proven ability to design and implement scalable, distributed systems
  • Strong communication skills with ability to influence technical decisions across the organization
  • Experience working collaboratively with Product Management and QA teams

Key Skills and Qualifications:
  • Modern Software Design and Coding methodologies
  • Development and Design best practices based on experience and knowledge of
  • Work with modern industry 3rd party technologies and ability to compare and contrast and help make great buying decisions (or build decisions)
  • Knowledge and experience with Product Management and Test methodologies
  • Create the process and frameworks for how development will happen in Engineering
  • Ability to form-factor messages and communication to Leadership vs peers vs software engineers
  • Knowledge and experience with improving Performance, Scale and Availability of software and modern capabilities like processor, caching and backend accelerators of performance

Physical Demands and Work Environment:
The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions
  • Regularly required to sit at a desk in front of a computer and use hands to finger, handle, or feel objects, tools, or controls (including a computer keyboard and operating a telephone), lift and/or move up to 10 pounds.
  • Frequently requires the use of hands and arms for reaching, as well as the ability to walk and communicate effectively through speaking and listening.
  • Specific vision abilities required by this position include close vision, color vision, and the ability to adjust focus.
  • Noise level in the work environment is usually moderate.
  • Type on a computer keyboard and look at a computer monitor, and operate a cell phone or a computer-based phone.

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