Senior UI Developer

📍 Job Overview

Job Title: Senior UI Developer

Company: BreachLock

Location: Pune, Maharashtra, India

Job Type: Full-Time

Category: Front-End Development / UI Engineering

Date Posted: 2026-05-08

Experience Level: 5-10 Years

Remote Status: On-site

🚀 Role Summary

• Lead the design, development, and implementation of scalable, accessible, and high-performance user interfaces, primarily using React.js and Next.js.

• Define and champion front-end architecture decisions, establish coding standards, and implement best practices for UI development.

• Drive optimization efforts for application performance, focusing on rendering, bundle size, Core Web Vitals, and overall load times.

• Mentor and guide junior and mid-level developers, fostering a culture of continuous learning and technical excellence within the front-end team.

• Collaborate closely with Product Managers, UX Designers, and Back-end Engineers to ensure seamless integration and delivery of enterprise-grade web applications.

📝 Enhancement Note: This role is positioned as a Senior UI Developer, indicating a need for not only strong technical execution but also significant influence on technical direction, team mentorship, and architectural decisions within the front-end domain. The emphasis on "ownership" and "setting technical direction" suggests a leadership component beyond individual contribution.

📈 Primary Responsibilities

• Design and develop robust, reusable, and maintainable UI components utilizing React.js, Next.js, TypeScript, Material UI, and Tailwind CSS.

• Architect and define front-end technical direction, including coding standards, design patterns, and best practices for the UI development team.

• Translate complex UX/design wireframes and mockups into pixel-perfect, accessible (WCAG 2.1 AA), and responsive interfaces.

• Implement comprehensive application performance optimizations, targeting rendering efficiency, reduced bundle sizes, improved Core Web Vitals, and faster load times.

• Collaborate effectively with back-end engineers to integrate RESTful and GraphQL APIs, ensuring well-defined data contracts and efficient data flow.

• Conduct rigorous code reviews, providing constructive and growth-oriented feedback to peers to elevate team-wide code quality.

• Mentor junior and mid-level developers through pair programming, knowledge sharing sessions, and technical guidance, nurturing technical excellence.

• Partner with QA engineers to define testing strategies and develop comprehensive unit, integration, and end-to-end tests using frameworks like Jest and Playwright/Cypress.

• Contribute to the development and maintenance of the internal design system, ensuring consistent visual and behavioral patterns across all products.

• Proactively identify and address technical debt, leading initiatives to enhance code quality, refactor legacy code, and improve overall developer experience.

• Stay abreast of the latest advancements in the front-end ecosystem and champion the adoption of relevant new technologies and methodologies.

📝 Enhancement Note: The responsibilities highlight a blend of core development, architectural leadership, and team enablement. The explicit mention of "enterprise-grade web applications," "technical debt," and "developer experience" suggests a focus on building robust, scalable, and maintainable solutions within a professional software development environment.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a Bachelor's degree in Computer Science, Software Engineering, or a related field is typically beneficial. Equivalent practical experience demonstrating mastery of front-end development principles will also be considered.

Experience: 5–7 years of professional front-end/UI development experience in production environments. A proven track record of owning features end-to-end within an enterprise or large-scale SaaS context is essential.

Required Skills:

• Deep expertise in React.js and TypeScript in production environments.

• Strong hands-on experience with Next.js, including its App Router, Server-Side Rendering (SSR), Static Site Generation (SSG), and Incremental Static Regeneration (ISR) capabilities.

• Proficiency with Tailwind CSS and a strong understanding of utility-first styling methodologies.

• Extensive experience with the Material UI (MUI) component library, including advanced theming and customization.

• Solid understanding of web performance optimization techniques, accessibility standards (WCAG 2.1 AA compliance), and Search Engine Optimization (SEO) fundamentals.

• Experience with various state management solutions such as Redux Toolkit, Zustand, React Query, or similar.

• Familiarity with Continuous Integration/Continuous Deployment (CI/CD) pipelines and version control workflows using Git and platforms like GitHub/GitLab.

Preferred Skills:

• Experience building, maintaining, and evolving a shared component library or internal design system.

• Knowledge of micro-frontend architecture patterns and their implementation.

• Exposure to back-end technologies (e.g., Node.js, GraphQL) to facilitate effective full-stack collaboration.

• Familiarity with front-end observability and monitoring tools such as Sentry, Datadog, or LogRocket.

• Experience utilizing Storybook for component development, documentation, and visual testing.

• Contributions to open-source projects or a well-maintained personal portfolio showcasing significant UI development work.

📝 Enhancement Note: The qualifications emphasize deep expertise in specific modern front-end technologies (React, Next.js, TypeScript, Tailwind, MUI) and a strong understanding of critical non-functional requirements like performance and accessibility. The preference for design system experience and micro-frontend knowledge suggests a focus on building scalable and maintainable UI architectures.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase projects demonstrating ownership of end-to-end feature development, highlighting problem-solving and solution implementation.

• Include examples of building reusable UI components and contributing to or managing a design system, emphasizing consistency and maintainability.

• Present case studies of performance optimization efforts, detailing the challenges, methodologies used, and quantifiable improvements in metrics like load time or Core Web Vitals.

• Demonstrate experience with accessibility best practices, providing examples of how WCAG 2.1 AA compliance was achieved in developed interfaces.

Process Documentation:

• Document the entire lifecycle of a significant UI feature development from design handoff to deployment, including the testing strategy and implementation.

• Outline the process for contributing to or maintaining a design system, including versioning, documentation, and adoption guidelines.

• Detail the approach taken for performance analysis and optimization, including tools used, metrics tracked, and iterative improvements implemented.

• Describe the workflow for code reviews and collaborative development within a team setting, emphasizing feedback loops and best practice enforcement.

📝 Enhancement Note: For a Senior UI Developer role, a portfolio is crucial. It should not just display finished products but also the candidate's thought process, problem-solving skills, and understanding of development methodologies. Emphasis should be on architectural contributions, performance tuning, and collaborative development processes.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for Senior UI Developers in Pune, India, with 5-7 years of experience, the estimated salary range is ₹12,00,000 to ₹20,00,000 per annum. This range accounts for the required technical expertise, leadership responsibilities, and the cost of living in Pune.

Benefits:

• Comprehensive health insurance coverage for employees and dependents.

• Paid time off, including vacation days, sick leave, and public holidays.

• Opportunities for professional development, including training, certifications, and conference attendance.

• Contribution to provident fund (PF) and employee state insurance (ESI) as per Indian labor laws.

• Potential for performance-based bonuses and stock options, depending on company policy.

• Access to modern development tools and technologies.

Working Hours: The standard working hours for this role are 40 hours per week, typically from Monday to Friday. While adherence to a standard schedule is expected, there may be flexibility offered based on project needs and team agreements, particularly concerning core working hours for collaboration.

📝 Enhancement Note: The salary estimation is based on aggregated data from Indian job boards and salary aggregators for senior software development roles in Pune. The benefits are standard for full-time positions in India, with added emphasis on professional development opportunities relevant to a senior technical role.

🎯 Team & Company Context

🏢 Company Culture

Industry: Cybersecurity / SaaS Platform. BreachLock operates in the cybersecurity sector, providing solutions to help organizations manage and improve their security posture. This industry often demands high standards for reliability, security, and continuous innovation.

Company Size: While specific numbers aren't provided, the context of having a "front-end engineering team" and "junior/mid-level developers" to mentor suggests a growing organization that has moved beyond a startup phase and is establishing more structured engineering practices. The presence of a design system also points to a maturing development process.

Founded: BreachLock was founded in 2020. This implies a relatively young company that is likely in a high-growth phase, characterized by rapid development, evolving processes, and a dynamic work environment.

Team Structure:

• The front-end engineering team likely comprises several developers with varying levels of experience, including junior, mid-level, and this Senior UI Developer.

• The Senior UI Developer will report to a Front-End Lead or Engineering Manager and will be expected to collaborate closely with UX/UI Designers and Back-end Engineers.

Methodology:

• Data-driven development is implied through the focus on performance metrics (Core Web Vitals) and the use of analytics/observability tools.

• Agile methodologies are likely employed, given the emphasis on iterative development, code reviews, and collaboration with product.

• A strong emphasis on modern development practices, including CI/CD, version control, and component-driven development, is evident from the technology stack and responsibilities.

Company Website: https://breachlock.com/

📝 Enhancement Note: The company's founding date (2020) and industry (Cybersecurity) suggest a fast-paced, innovative environment. The emphasis on structured development practices like design systems and CI/CD points towards a company that values quality and scalability in its engineering efforts.

📈 Career & Growth Analysis

Operations Career Level: This role is classified as Senior. A Senior UI Developer is expected to be a technical leader, capable of independent work, complex problem-solving, and influencing technical decisions. They are expected to mentor others and contribute significantly to architectural direction and best practices.

Reporting Structure: The Senior UI Developer will report to a higher-level engineering manager or lead. They will, in turn, mentor and guide junior and mid-level UI Developers, fostering a collaborative team environment.

Operations Impact: The UI Developer's impact is critical for user adoption, customer satisfaction, and the overall perception of BreachLock's products. By ensuring high performance, accessibility, and a seamless user experience, they directly contribute to customer retention and the company's reputation in the competitive cybersecurity market. Optimizing the UI also indirectly supports sales by improving the product's ease of use and appeal.

Growth Opportunities:

• Technical Specialization: Opportunity to deepen expertise in areas like performance optimization, accessibility, or advanced front-end architecture (e.g., micro-frontends).

• Leadership Development: Potential to move into a Tech Lead or Architect role, taking on greater responsibility for technical strategy and team guidance.

• Cross-Functional Skill Expansion: Exposure to back-end technologies and product management processes can broaden understanding and career options.

• Mentorship and Training: Formal opportunities to hone leadership and communication skills through mentoring junior developers and potentially leading training sessions.

📝 Enhancement Note: As a Senior role, the growth trajectory is clearly defined, moving from individual technical contribution and mentorship towards leadership and architectural ownership. The company's growth phase also presents opportunities for individuals to shape the engineering culture and processes.

🌐 Work Environment

Office Type: The role is listed as "On-site," indicating a physical office presence is required. This typically means a traditional office setting designed for collaboration and focused work.

Office Location(s): Pune, Maharashtra, India. This location provides access to a significant tech talent pool and is a major hub for IT and software development in India.

Workspace Context:

• The workspace is expected to be collaborative, facilitating interaction with UX designers, back-end engineers, QA, and product managers.

• Access to modern development tools, high-performance workstations, and potentially dedicated spaces for focused coding or team discussions.

• Opportunities for frequent interaction with the front-end team for code reviews, pair programming, and knowledge sharing sessions.

Work Schedule: The standard 40-hour work week is expected, typically Monday to Friday. While core hours will be defined for team collaboration, there may be some flexibility to accommodate individual work styles and project demands, particularly important for iterative development and testing cycles.

📝 Enhancement Note: The "On-site" requirement for a Senior UI Developer suggests an environment that values in-person collaboration, spontaneous problem-solving, and a strong team presence. The Pune location is a strategic choice for talent acquisition and operational efficiency.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A brief call with an HR or Recruiter to assess general fit, experience, and salary expectations.

• Technical Interview 1 (Coding Challenge): A practical coding exercise, likely involving building a small UI component or solving a specific front-end problem, focusing on React/TypeScript proficiency, code quality, and problem-solving skills. This might be live-coded or a take-home assignment.

• Technical Interview 2 (Architecture & System Design): Discussion on architectural approaches, system design for complex UI features, performance optimization strategies, and how to build scalable and maintainable front-end solutions. This is where your portfolio case studies will be highly relevant.

• Hiring Manager/Team Lead Interview: Deeper dive into experience, leadership potential, mentorship approach, and cultural fit. Expect questions about past projects and how you handled challenges.

• Final Interview: Potentially with a senior leader or CTO, focusing on strategic thinking, alignment with company vision, and overall suitability for a senior role.

Portfolio Review Tips:

• Curate Select Projects: Focus on 2-3 significant projects that best showcase your senior-level skills in React, Next.js, TypeScript, performance, and architecture.

• Highlight Ownership & Impact: For each project, clearly articulate your role, the problem you solved, the technical decisions you made, and the quantifiable outcomes (e.g., performance improvements, user adoption metrics).

• Demonstrate Process: Explain your development process, including how you collaborated with designers and back-end engineers, your approach to testing, and how you managed technical debt.

• Prepare for Technical Deep Dives: Be ready to discuss the technical choices made in your portfolio projects, including trade-offs and alternatives considered.

• Showcase Design System Work: If you have experience with design systems or reusable component libraries, present examples and explain their benefits.

Challenge Preparation:

• Practice Core React/TypeScript Concepts: Refresh your knowledge of hooks, state management, component lifecycle, TypeScript types, and functional programming patterns.

• Familiarize with Next.js Features: Understand SSR, SSG, ISR, App Router conventions, and data fetching methods.

• Brush up on Performance & Accessibility: Review best practices for Core Web Vitals, lazy loading, code splitting, semantic HTML, ARIA attributes, and keyboard navigation.

• Prepare Architectural Scenarios: Think about how you would design a scalable front-end architecture for a large SaaS application, considering micro-frontends, state management, and API integrations.

• Articulate "Why": Be prepared to explain the reasoning behind your technical decisions, not just what you did, but why you chose that approach over others.

📝 Enhancement Note: The interview process is structured to assess technical depth, architectural thinking, and leadership potential. A strong portfolio that details problem-solving, impact, and process is critical for a senior-level candidate.

🛠 Tools & Technology Stack

Primary Tools:

• React.js: The core JavaScript library for building user interfaces.

• Next.js (App Router): A framework built on React, enabling SSR, SSG, ISR, API routes, and file-system routing for optimized web applications.

• TypeScript: A superset of JavaScript that adds static typing, enhancing code quality and maintainability.

• Tailwind CSS: A utility-first CSS framework for rapid UI development and custom styling.

• Material UI (MUI): A popular React UI component library that implements Google's Material Design.

• Jest & React Testing Library: Frameworks for writing unit and integration tests for React components.

• Playwright / Cypress: End-to-end testing frameworks for automating browser interactions and testing full user flows.

• Git & GitHub Actions: Version control system and CI/CD platform for code management and automated builds/deployments.

• Figma: Design tool used for design handoffs, collaboration, and inspecting UI elements.

• Storybook: A tool for developing, documenting, and testing UI components in isolation.

Analytics & Reporting:

• Observability Tools (Sentry, Datadog, LogRocket): Used for front-end error tracking, performance monitoring, and user session analysis.

CRM & Automation:

• While not directly listed, understanding how UI integrates with CRM systems (e.g., Salesforce, HubSpot) or other business applications via APIs is beneficial.

📝 Enhancement Note: The technology stack is very modern and specific, indicating a team that is committed to best practices and efficient development workflows. Proficiency across this stack is non-negotiable for this role.

👥 Team Culture & Values

Operations Values:

• Technical Excellence: A commitment to writing high-quality, performant, and maintainable code, driven by a passion for front-end development.

• Collaboration & Mentorship: An environment that encourages open communication, knowledge sharing, and mutual support, with senior members actively mentoring junior colleagues.

• Continuous Improvement: A proactive approach to identifying and refactoring technical debt, adopting new technologies, and optimizing development processes.

• User-Centricity: A focus on delivering exceptional user experiences through thoughtful design implementation, strong accessibility, and performance optimization.

• Ownership & Accountability: A culture where individuals take responsibility for their work from conception to deployment and are accountable for its success and impact.

Collaboration Style:

• Cross-Functional Integration: Close collaboration with Product Management, UX/UI Design, and Back-end Engineering teams to ensure alignment and seamless integration of features.

• Agile & Iterative: Embracing agile principles for iterative development, frequent feedback loops, and adaptability to changing requirements.

• Knowledge Sharing: Regular code reviews, pair programming sessions, and internal tech talks to disseminate knowledge and best practices across the team.

• Data-Informed Decisions: Utilizing performance metrics, user feedback, and analytics to guide development priorities and validate solutions.

📝 Enhancement Note: The culture appears to be one of high performance, continuous learning, and strong collaboration, typical of a growing SaaS company in the cybersecurity space. The emphasis on mentorship and technical excellence is particularly important for a senior role.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Innovation with Stability: Keeping up with the rapidly evolving front-end landscape while ensuring the stability and maintainability of enterprise-grade applications.

• Performance Optimization at Scale: Continuously optimizing application performance as features and user bases grow, managing complex trade-offs.

• Maintaining Design System Consistency: Ensuring that the design system is adopted and maintained effectively across a growing product suite and multiple development teams.

• Mentorship and Technical Leadership: Effectively mentoring a diverse team, balancing guidance with autonomy, and driving technical direction without stifling creativity.

Learning & Development Opportunities:

• Advanced Front-End Architecture: Deepening knowledge in areas like micro-frontends, advanced state management patterns, and progressive web applications (PWAs).

• Performance Engineering: Becoming an expert in front-end performance tuning, profiling, and advanced optimization techniques.

• Accessibility Auditing and Remediation: Developing expertise in conducting comprehensive accessibility audits and implementing complex remediation strategies.

• Leadership and Technical Strategy: Opportunities to influence the technical roadmap, lead feature development initiatives, and potentially transition into management or principal engineering roles.

📝 Enhancement Note: The challenges are inherent to senior roles in fast-paced tech environments, focusing on complexity, scalability, and leadership. The growth opportunities are tailored to advancing technical expertise and leadership capabilities within the front-end domain.

💡 Interview Preparation

Strategy Questions:

• "Describe a situation where you had to make a significant technical decision regarding front-end architecture. What were the options, what did you choose, and what was the outcome?" (Focus on your decision-making process, trade-offs, and impact).

• "How do you approach mentoring junior developers? Can you share an example of how you helped a team member grow technically?" (Highlight your leadership style, communication, and ability to foster development).

Company & Culture Questions:

• "What interests you about BreachLock and our mission in cybersecurity?" (Research the company's products, values, and recent news).

• "How do you stay current with front-end technologies and best practices?" (Showcase your commitment to continuous learning and your methods for staying informed).

Portfolio Presentation Strategy:

• Structure: For each project, present: Problem Statement -> Your Role & Responsibilities -> Technical Approach/Solution -> Key Challenges & How You Overcame Them -> Measurable Results/Impact -> Lessons Learned.

• Visuals: Use screenshots, demos, or live prototypes to illustrate your work. For performance case studies, use charts showing metrics before and after optimization.

• Conciseness: Be clear and direct. Focus on the most impactful aspects of your work and be prepared to go deeper on technical details if asked.

• Ownership: Clearly articulate what you did versus what the team did. For team projects, specify your contributions and leadership.

📝 Enhancement Note: Interview preparation should focus on demonstrating not just technical skill, but also strategic thinking, leadership potential, and a strong understanding of how UI development contributes to business objectives. The portfolio is the key to substantiating these claims.

📌 Application Steps

To apply for this Senior UI Developer position:

• Submit your comprehensive resume and a link to your online portfolio (e.g., GitHub, personal website) through the application portal.

• Portfolio Customization: Curate your portfolio to prominently feature projects showcasing your expertise in React, Next.js, TypeScript, performance optimization, and architectural contributions. Highlight end-to-end feature ownership and any design system work.

• Resume Optimization: Ensure your resume clearly lists your experience with the specific technologies mentioned in the job description (React, Next.js, TypeScript, Tailwind CSS, Material UI, Jest, Playwright, etc.) and quantifies your achievements where possible.

• Interview Preparation: Practice articulating your experience through the STAR method (Situation, Task, Action, Result) and prepare to discuss your portfolio projects in detail, focusing on technical decisions and impact.

• Company Research: Familiarize yourself with BreachLock's products, mission, and company culture. Understand their position in the cybersecurity market and how your role contributes to their success.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

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