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Trainee Junior Javascript Developer Jobs (NOW HIRING)

Hadronts

Junior Java Developer

Seattle, WA

Junior Java Developer The Junior Java Developer will be responsible for designing, developing, and ... Must have some Basic Knowledge on Java, SQL, JSP, HTML and JavaScript. Motivated to research and ...

MANTECH

Junior Developer

Annapolis Junction, MD · On-site

$68K - $88K/yr

The Junior Developer is part of a dynamic development team, focusing on writing efficient and ... Understanding of core web technologies including HTML5, CSS3, and JavaScript to build functional ...

MANTECH

Junior Developer

Annapolis Junction, MD · On-site

$68K - $88K/yr

The Junior Developer is part of a dynamic development team, focusing on writing efficient and ... Understanding of core web technologies including HTML5, CSS3, and JavaScript to build functional ...

Selerix

Jr. Carrier Services Developer

Allen, TX · Hybrid

$62K - $80K/yr

Jr. Carrier Services Developer Department: Carrier Services Location: Plano, TX. Hybrid role with 3 ... Technical proficiency in JavaScript and general PC knowledge. * Extensive knowledge of Microsoft ...

Selerix

Jr. Carrier Services Developer

Fairview, TX · Hybrid

$62K - $80K/yr

Jr. Carrier Services Developer Department: Carrier Services Location: Plano, TX. Hybrid role with 3 ... Technical proficiency in JavaScript and general PC knowledge. * Extensive knowledge of Microsoft ...

Selerix

Jr. Carrier Services Developer

Parker, TX · Hybrid

$63K - $82K/yr

Jr. Carrier Services Developer Department: Carrier Services Location: Plano, TX. Hybrid role with 3 ... Technical proficiency in JavaScript and general PC knowledge. * Extensive knowledge of Microsoft ...

Selerix

Jr. Carrier Services Developer

Murphy, TX · Hybrid

$64K - $83K/yr

Jr. Carrier Services Developer Department: Carrier Services Location: Plano, TX. Hybrid role with 3 ... Technical proficiency in JavaScript and general PC knowledge. * Extensive knowledge of Microsoft ...

Selerix

Jr. Carrier Services Developer

Frisco, TX · Hybrid

$62K - $81K/yr

Jr. Carrier Services Developer Department: Carrier Services Location: Plano, TX. Hybrid role with 3 ... Technical proficiency in JavaScript and general PC knowledge. * Extensive knowledge of Microsoft ...

Selerix

Jr. Carrier Services Developer

Carrollton, TX · Hybrid

$59K - $77K/yr

Jr. Carrier Services Developer Department: Carrier Services Location: Plano, TX. Hybrid role with 3 ... Technical proficiency in JavaScript and general PC knowledge. * Extensive knowledge of Microsoft ...

Selerix

Jr. Carrier Services Developer

Plano, TX · Hybrid

$64K - $84K/yr

Jr. Carrier Services Developer Department: Carrier Services Location: Plano, TX. Hybrid role with 3 ... Technical proficiency in JavaScript and general PC knowledge. * Extensive knowledge of Microsoft ...

FIRST SERVICE CREDIT UNION

Jr. Developer

Houston, TX

$64K - $83K/yr

Role: The Junior Software Developer is involved in all areas of development from developing ... JavaScript, and C# applications. Provide end-user support to internal users of our reports and ...

FIRST SERVICE CREDIT UNION

Jr. Developer

Houston, TX · On-site

$64K - $83K/yr

Role: The Junior Software Developer is involved in all areas of development from developing ... JavaScript, and C# applications. Provide end-user support to internal users of our reports and ...

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How much do trainee junior javascript developer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for trainee junior javascript developer 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 types of projects can a trainee junior JavaScript developer expect to work on during their first year?

As a Trainee Junior Javascript Developer, you will typically start by assisting with smaller tasks such as bug fixes, writing unit tests, or implementing basic features under the guidance of senior developers. Over time, you'll gain exposure to collaborative projects like developing user interfaces, integrating APIs, or maintaining front-end codebases using frameworks such as React or Vue.js. These projects help you build technical skills while learning best practices in code review, version control, and agile workflows. Regular mentorship and code feedback are common, fostering rapid professional growth in a supportive team environment.

What does a trainee junior JavaScript developer do?

A Trainee Junior Javascript Developer is an entry-level professional who assists in building and maintaining web applications using JavaScript. They typically work under the guidance of more experienced developers, learning to write clean code, debug simple issues, and use frameworks like React or Node.js. This role is designed to help individuals develop foundational programming skills and gain practical experience in real-world software development projects.

What is the difference between Trainee Junior Javascript Developer vs Junior Web Developer?

AspectTrainee Junior Javascript DeveloperJunior Web Developer
Required CredentialsBasic coding knowledge, often in training or bootcampSome experience or formal education in web development
Work EnvironmentInternship or entry-level training programFull-time role in a development team
Employer UsageTraining programs, startups, or companies hiring entry-levelEstablished companies, agencies, or startups

In summary, a Trainee Junior Javascript Developer is typically in training or an internship, focusing on learning JavaScript basics, while a Junior Web Developer has more experience and handles broader web development tasks. Both roles serve as entry points but differ in experience level and responsibilities.

What are the key skills and qualifications needed to thrive as a trainee junior JavaScript developer, and why are they important?

To thrive as a Trainee Junior Javascript Developer, you need a solid understanding of JavaScript fundamentals, HTML, CSS, and a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, basic knowledge of frameworks such as React or Node.js, and exposure to development environments are typically required. Strong problem-solving skills, eagerness to learn, and effective communication set candidates apart in this role. These skills and qualities are crucial for adapting to fast-paced development teams and building a foundation for future growth in software engineering.
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What cities are hiring for Trainee Junior Javascript Developer jobs? Cities with the most Trainee Junior Javascript Developer job openings:
What states have the most Trainee Junior Javascript Developer jobs? States with the most job openings for Trainee Junior Javascript Developer jobs include:
What job categories do people searching Trainee Junior Javascript Developer jobs look for? The top searched job categories for Trainee Junior Javascript Developer jobs are:
Trainee Junior Javascript Developer jobs near you
Infographic showing various Trainee Junior Javascript Developer job openings in the United States as of August 2026, with employment types broken down into 80% Full Time, 3% Part Time, and 17% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $88,976 per year, or $42.8 per hour.

Sr. Chromium Developer

Advanced Micro Devices, Inc

Santa Clara, CA • On-site

$210K/yr

Full-time

Re-posted 3 days ago

Advanced Micro Devices rating

8.6

Company rating: 8.6 out of 10

Based on 13 frontline employees who took The Breakroom Quiz

27th of 156 rated electronics manufacturers

Job description

WHAT YOU DO AT AMD CHANGES EVERYTHING
At AMD, our mission is to build great products that accelerate next-generation computing experiences-from AI and data centers, to PCs, gaming and embedded systems. Grounded in a culture of innovation and collaboration, we believe real progress comes from bold ideas, human ingenuity and a shared passion to create something extraordinary. When you join AMD, you'll discover the real differentiator is our culture. We push the limits of innovation to solve the world's most important challenges-striving for execution excellence, while being direct, humble, collaborative, and inclusive of diverse perspectives. Join us as we shape the future of AI and beyond. Together, we advance your career.
THE ROLE:
AMD is looking for a strategic software engineering lead who is passionate about improving the performance of key applications and benchmarks You will be a member of a core team of incredibly talented industry specialists and will work with the very latest hardware and software technology.
THE PERSON:
We are seeking a Software Optimization Engineer with deep experience improving real-world browser performance in Chromium-based browsers. In this role, you will focus on identifying, analyzing, and resolving performance bottlenecks across the Chromium stack, working close to the browser engine, OS, and hardware. This position is ideal for an engineer who enjoys low-level performance analysis, system-level optimization, and collaborative work with browser, OS, and silicon teams to deliver measurable user-visible gains.
Key Responsibilities
  • Profile and optimize performance across Chromium subsystems, including Blink, V8, Skia, GPU/ANGLE, and browser multi-process architecture
  • Identify CPU, memory, GPU, and power bottlenecks using real workloads, benchmarks, and field telemetry
  • Implement performance improvements in areas such as page load, rendering, JavaScript execution, graphics/compositing, and browser responsiveness
  • Drive optimizations across platforms (Windows primary; Linux/macOS experience a plus), including interactions with OS schedulers, graphics stacks, and drivers
  • Analyze performance using industry-standard and custom tools (e.g., Perfetto, ETW, Chrome Tracing, VTune, PIX, GPUView, perf)
  • Collaborate with browser vendors, OS teams, compiler teams, and hardware partners to co-optimize software and platforms
  • Contribute clean, well-reviewed patches upstream to Chromium or downstream forks as appropriate
  • Translate benchmark and microarchitectural findings into practical, scalable browser improvements
  • Document performance investigations, results, and best practices; communicate findings clearly to technical stakeholders
  • software engineering experience, with a strong focus on performance optimization
  • Hands-on experience working with Chromium or Chromium-based browsers (e.g., Chrome, Edge, internal forks)
  • Strong proficiency in C++ and modern C++ performance best practices
  • Deep understanding of browser internals, including at least two of the following:
    • Rendering pipeline (Blink lifecycle, style/layout/paint)
    • JavaScript engines (V8 internals, JIT behavior, GC)
    • Graphics and compositing (Skia, GPU rasterization, ANGLE, WebGL)
    • Multiprocess/threading model and IPC in Chromium
  • Proven experience using low-level profiling and tracing tools to drive optimizations
  • Strong debugging skills across large, complex codebases
  • Ability to reason from microarchitectural behavior (cache, memory, SIMD, branch behavior) up to user-perceived performance

Preferred Qualifications
  • Experience optimizing browser performance on Windows, including ETW-based analysis and graphics stack interactions
  • Familiarity with Clang/LLVM, compiler-driven optimizations, and code-generation tradeoffs
  • Experience working with performance benchmarks (JetStream, Speedometer, WebXPRT, MotionMark, internal workloads)
  • Exposure to hardware-aware optimization (CPU topology, cache behavior, SIMD/AVX, GPU execution models)
  • Prior experience contributing to large open-source projects or upstream Chromium performance changes
  • Ability to mentor junior engineers and influence performance culture across teams

ACADEMIC CREDENTIALS:
  • Bachelor's or Master's degree in Computer Science, Computer Engineering, Electrical Engineering, or equivalent

This role is not eligible for visa sponsorship.
#LI-KW1
#remote
Benefits offered are described: AMD benefits at a glance.
AMD does not accept unsolicited resumes from headhunters, recruitment agencies, or fee-based recruitment services. AMD and its subsidiaries are equal opportunity, inclusive employers and will consider all applicants without regard to age, ancestry, color, marital status, medical condition, mental or physical disability, national origin, race, religion, political and/or third-party affiliation, sex, pregnancy, sexual orientation, gender identity, military or veteran status, or any other characteristic protected by law. We encourage applications from all qualified candidates and will accommodate applicants' needs under the respective laws throughout all stages of the recruitment and selection process.
AMD may use Artificial Intelligence to help screen, assess or select applicants for this position. AMD's "Responsible AI Policy" is available here.
This posting is for an existing vacancy.

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