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Securonix

Senior Software Engineer – ReactJS

Securonix

. Design, develop, and maintain user interfaces using React.js with a focus on performance, scalability, and maintainability .

Posted 10/26/2026full-timeBangalore • IndiaSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in React.js and JavaScript, with a strong focus on performance optimization and scalable user interface design. Proven ability to mentor developers and collaborate effectively with cross-functional teams to deliver high-quality software solutions.

Highest-signal resume keywords
React.js ExpertiseJavaScript (ES6+) ProficiencyPerformance Optimization TechniquesMentorship and Team CollaborationTesting Frameworks Experience

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
React.jsJavaScriptHTMLCSSSASSRedux ToolkitReact Testing LibraryAPI IntegrationWebpackDesign Patterns
Soft Skills
Problem-SolvingAttention to DetailVerbal CommunicationWritten Communication
Tools & Technologies
GitParcelPlaywrightJest
Industry Keywords
Component LifecycleState ManagementHooksCode SplittingServer-Side RenderingSystem DesignLarge-Scale Applications

Tech Stack

Tools & technologies
AngularJavaJavaScriptJestKafkaReactReduxSCSSSparkWebpack

About the role

Key responsibilities & impact
  • Design, develop, and maintain user interfaces using React.js with a focus on performance, scalability, and maintainability
  • Translate designs and wireframes into high-quality, reusable components
  • Collaborate with team members, product owners, and designers to implement product requirements and provide technical guidance
  • Optimize application performance and ensure responsiveness across various devices and browsers
  • Write clean, maintainable, and efficient code following best practices
  • Participate in code reviews, providing constructive feedback to maintain code quality standards
  • Mentor junior, mid-level, and senior developers, fostering a culture of continuous learning and improvement
  • Stay up to date with modern web development practices and technologies, and drive innovation within the team
  • Lead troubleshooting and resolution of complex issues, ensuring a seamless user experience

Requirements

What you’ll need
  • Total Experience: 5 + years
  • Relevant Experience: 5 + years
  • Expertise in JavaScript, including ES6+ features and a deep understanding of its core principles
  • Experience in ReactJS
  • Proficient in HTML and CSS, with experience in CSS preprocessors like SASS or LESS
  • Strong knowledge of Design Patterns, Data Structures and Algorithms
  • Comprehensive knowledge of React.js and its core principles, such as component lifecycle, state management, and hooks
  • Solid experience with popular React workflows, such as Redux Toolkit or Context API
  • Experience with testing frameworks such React Testing Library, Playwright, Jest
  • Experience making API calls and caching using RTK Query or any other fetching Libraries
  • Familiarity with version control systems, such as Git
  • Strong problem-solving skills and attention to detail
  • Excellent verbal and written communication skills
  • Experience with front-end build tools, such as Webpack or Parcel
  • Knowledge of performance optimization techniques, such as code splitting and server-side rendering
  • System design and architectural understanding of large-scale applications
  • Secondary skills: Angular, Big Data, Java, Kafka, Spark

Benefits

Comp & perks
  • Health Insurance with a total sum insured is INR 7,50,000
  • Coverage: Self, Spouse, 2 kids, Dependent parents, or parents-in-law
  • Personal Accident with total sum insured is INR 10,00,000
  • Term Life Insurance with a sum assured for employees is 5 times fixed base pay is covered.