Demo

Junior JavaScript Developer

Kijona Solutions Inc.
Chicago, IL Full Time
POSTED ON 12/15/2025
AVAILABLE BEFORE 2/15/2026
About UsKijona is an energy-technology company pushing the boundaries of solid-state battery innovation. Since 2020, we’ve grown rapidly, achieving major breakthroughs in solid electrolytes, securing patents, and partnering with leading aerospace and automotive manufacturers. As we expand our digital and software capabilities, we’re looking for a Junior JavaScript Developer to help build high-quality internal tools, dashboards, web services, and customer-facing applications.Role OverviewAs a Junior JavaScript Developer, you’ll work with our engineering and data teams to develop clean, reliable, and scalable web applications. This role is ideal for someone early in their career who enjoys learning new technologies, solving problems, and contributing to impactful software used by scientists, analysts, and product teams.Key ResponsibilitiesDevelop and maintain front-end features using JavaScript, React, Next.js, and Tailwind CSSBuild and improve reusable UI components using shadcn/uiCollaborate with back-end developers to integrate APIs and servicesAssist in building server-side logic with Node.jsWork with MySQL databases—writing queries, handling schema updates, and supporting data access layersImplement and maintain secure authentication and authorization flowsHelp optimize performance, accessibility, and overall UXParticipate in code reviews, documentation, and team discussionsTroubleshoot bugs and contribute to improving development workflowsRequired SkillsStrong foundation in JavaScriptExperience with React and Next.jsFamiliarity with Node.jsUnderstanding of Tailwind CSSExposure to shadcn/ui or component-driven developmentBasic database knowledge (preferably MySQL)Understanding of authentication concepts (sessions, tokens, etc.)Bonus / Nice-to-HaveTypeScript experienceAPI design and REST/GraphQL basicsFamiliarity with ORMs (Prisma, Sequelize, etc.)Knowledge of other full-stack or JS ecosystem toolsUnderstanding of deployment workflows (Vercel, Docker, CI/CD)Interest in building internal engineering tools or data dashboardsWhat We OfferOpportunity to contribute to software supporting cutting-edge energy technologyMentorship from experienced full-stack developersModern tech stack and room to experiment with new toolsClear growth paths into mid-level engineering rolesA collaborative, forward-thinking environmentCompetitive pay and benefitsCompany DescriptionKijona was established with a vision to revolutionize battery technology through solid-state innovation.

Salary : $68,600 - $89,100

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Junior JavaScript Developer?

Sign up to receive alerts about other jobs on the Junior JavaScript Developer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$90,707 - $120,959
Income Estimation: 
$111,369 - $141,168
Income Estimation: 
$117,871 - $153,580
Income Estimation: 
$109,939 - $144,341
Income Estimation: 
$114,500 - $144,633
Income Estimation: 
$82,809 - $110,162
Income Estimation: 
$102,136 - $132,353
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Not the job you're looking for? Here are some other Junior JavaScript Developer jobs in the Chicago, IL area that may be a better fit.

  • Atria Group LLC Barrington, IL
  • Company Description We specialize in Staffing, Consulting, Software Development, and Training along with IT services to small to medium size companies. AG'... more
  • 1 Month Ago

  • ExecutivePlacements.com Schaumburg, IL
  • Incredible opportunity to join a growing technology company & working 2 days a week out of a brand new office space in Chicago, IL! This Jobot Job is hoste... more
  • 16 Days Ago

AI Assistant is available now!

Feel free to start your new journey!