Sr Staff UI Engineer

📍 Job Overview

Job Title: Sr Staff UI Engineer

Company: Johnson Controls

Location: Pune, Maharashtra, India

Job Type: Full time

Category: UI Engineering / Software Development

Date Posted: 2026-09-02

Experience Level: 6-8 years

Remote Status: On-site

🚀 Role Summary

• Design and develop new features and components for the Open Blue AI Platform, a critical part of Johnson Controls' digital transformation initiative focused on edge computing and machine learning.

• Contribute to the maintenance and stewardship of the Open Blue AI Platform, ensuring robust system solutions that meet defined requirements.

• Collaborate with a global team of engineers to design and develop innovative solutions, participating in technical discussions and code reviews.

• Analyze, troubleshoot, and provide code fixes for reported problems and change requests, ensuring high-quality software delivery.

• Write and execute comprehensive unit tests and contribute to the development of proof-of-concept prototypes.

📝 Enhancement Note: This role is positioned as a Sr Staff UI Engineer, implying a significant level of technical expertise and potential for technical leadership within the UI engineering domain. The focus on the Open Blue AI Platform suggests a role at the intersection of front-end development and cutting-edge technologies like edge computing and machine learning, requiring a strong understanding of how to build performant and data-dense user interfaces for complex systems.

📈 Primary Responsibilities

• Design, develop, and implement new features and user interface components for the Open Blue AI Platform using HTML, CSS/Sass, and JavaScript (ES2022+).

• Maintain and enhance existing components of the Open Blue AI Platform, ensuring scalability, reliability, and performance.

• Collaborate with cross-functional teams, including backend engineers and product managers, to translate system requirements into robust technical solutions.

• Participate actively in design and code reviews, providing constructive feedback to peers and junior engineers to uphold coding standards and architectural integrity.

• Analyze and troubleshoot complex software defects and change requests, developing and implementing effective code fixes.

• Write and maintain comprehensive unit, integration, and browser-based tests to ensure code quality and application stability.

• Develop proof-of-concept prototypes to explore new technical approaches and provide accurate work estimates for project planning.

• Assist testers and support personnel in diagnosing and resolving system-level problems.

• Contribute to the continuous improvement of development processes, including participation in Scrum ceremonies and adopting best practices for agile software development.

• Adhere strictly to Johnson Controls' information security policies, product security standards, and licensing agreements to ensure the development of secure and compliant software.

📝 Enhancement Note: The responsibilities highlight a blend of hands-on development, technical leadership, and process adherence. The emphasis on "data-dense operational UIs" and integration with AI/ML platforms suggests a need for advanced front-end skills beyond standard web application development, including performance optimization and complex data visualization.

🎓 Skills & Qualifications

Education:

• Bachelor of Technology (B.Tech.) or Master of Technology (M.Tech.) in Computer Science or a related field. Experience:

• 6-8 years of professional experience in web application development, with a strong emphasis on front-end technologies and building scalable user interfaces.

• Proven experience in an individual contributor role, with the demonstrated ability and willingness to step into a hands-on technical lead capacity as needed. Required Skills:

• Proficiency in core web technologies: HTML, CSS/Sass, and modern JavaScript (ES2022+).

• Deep understanding of core JavaScript concepts, including asynchronous programming, closures, and common JavaScript design patterns.

• Extensive experience with a component-based Single Page Application (SPA) framework at scale. While Ember.js is strongly preferred, equivalent depth in React or Angular, coupled with a willingness to work daily in Ember.js, will be considered.

• Experience integrating a JavaScript SPA with a server-rendered backend.

• Hands-on experience with front-end build tools and ecosystems: ember-cli/Broccoli, Webpack, Babel, Sass, Node.js v20, and pnpm.

• Solid experience with front-end testing methodologies and tools: QUnit, qunit-dom, @ember/test-helpers, Testem, and headless Chrome. Equivalent experience with Jest, Karma, or Jasmine will be considered.

• Demonstrated experience building data-dense operational UIs that present complex information effectively.

• Experience working with relational databases, specifically PostgreSQL, and in-memory data stores like Redis, including experience with RedisTimeSeries.

• Proficient in version control systems, specifically Git and GitHub, and familiar with project management tools like JIRA.

• Experience working within an Agile development environment, particularly Scrum methodology.

• Proven experience collaborating with globally distributed teams. Preferred Skills:

• Working experience with Ruby and Ruby on Rails in a production environment.

• Working knowledge of fundamental networking and security concepts.

• Experience with client-side internationalization (i18n) and localization (l10n).

• Experience maintaining a shared internal component library that is consumed by multiple applications.

• Experience with dependency management and Common Vulnerabilities and Exposures (CVE) remediation within a JavaScript dependency tree.

• A good understanding of User Experience (UX) design patterns and principles.

📝 Enhancement Note: The explicit preference for Ember.js with acceptance of React/Angular indicates a specific technology stack focus, but also a willingness to onboard talent familiar with other leading frameworks. The requirement for experience with "data-dense operational UIs" is a key differentiator, pointing towards roles involving complex dashboards, monitoring tools, or enterprise software interfaces.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase examples of complex, data-dense user interfaces designed and developed, emphasizing how data was structured, visualized, and made actionable for users.

• Include case studies demonstrating proficiency in at least one major SPA framework (Ember.js preferred, React/Angular accepted), detailing the architecture, component design, and state management strategies used.

• Provide evidence of front-end build and tooling expertise, potentially through project configurations or explanations of build pipeline optimizations.

• Demonstrate experience with unit, integration, and browser-based testing, highlighting testing strategies and frameworks used to ensure code quality and application stability. Process Documentation:

• Documented examples of participation in code reviews, outlining contributions to code quality, architectural alignment, and knowledge sharing.

• Evidence of troubleshooting and problem-solving for complex UI issues, detailing the diagnostic process and resolution steps.

• Examples of unit test development, showcasing adherence to testing best practices and coverage goals.

• Contributions to proof-of-concept prototypes or technical explorations, demonstrating initiative and ability to evaluate new technologies.

📝 Enhancement Note: For a Sr Staff UI Engineer role, a portfolio should not just display finished products but also the thought process, technical challenges overcome, and the impact of the UI on user workflows and system performance. Demonstrating experience with both development and process improvement (testing, reviews, troubleshooting) is crucial.

💵 Compensation & Benefits

Salary Range:

Based on industry benchmarks for a Sr Staff UI Engineer with 6-8 years of experience in Pune, India, the estimated annual salary range is ₹18,00,000 to ₹28,00,000. This range accounts for the specific technical expertise required, including Ember.js, advanced JavaScript, and experience with complex operational UIs, as well as the cost of living and market demand in Pune.

Benefits:

• Comprehensive health insurance coverage (medical, dental, vision).

• Retirement savings plan with company matching contributions.

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

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

• Employee assistance program offering confidential counseling and support services.

• Potential for performance-based bonuses and stock options.

• Access to Johnson Controls' global network of experts and resources. Working Hours:

• Standard full-time work week, typically 40 hours per week.

• While the role is on-site, Johnson Controls may offer some flexibility in daily start and end times, subject to team and project needs.

• Adherence to project deadlines and sprint commitments is expected.

📝 Enhancement Note: The salary range is an estimate based on publicly available data for similar roles in Pune, India, considering the specified experience level and technical requirements. Actual compensation may vary based on individual qualifications, negotiation, and the company's compensation structure.

🎯 Team & Company Context

🏢 Company Culture

Industry: Building Technologies and Solutions, Digital Transformation, Industrial IoT (IIoT). Johnson Controls is a global leader in providing smart, healthy, and sustainable building solutions. The Open Blue initiative represents a significant push into digital and AI-driven services, aiming to enhance building efficiency, safety, and occupant comfort.

Company Size: Johnson Controls is a large, publicly traded corporation with tens of thousands of employees worldwide. This scale offers stability, extensive resources, and opportunities for diverse career paths, but also means processes can be more structured.

Founded: Johnson Controls was founded in 1885. This long history signifies a stable and established company with a deep understanding of its core markets, now actively innovating in the digital space.

Team Structure:

• The Open Blue AI Platform group is a specialized team focused on cutting-edge technologies within Johnson Controls.

• This team likely comprises a mix of software engineers, data scientists, AI/ML specialists, and UI/UX professionals, working collaboratively.

• The Sr Staff UI Engineer will report to a technical lead or engineering manager, with close interaction with architects and product owners.

• Cross-functional collaboration is key, involving communication with backend teams, infrastructure, and potentially product management to define and deliver features. Methodology:

• Data Analysis & Insights: UI development will be informed by data analytics regarding user behavior, system performance, and platform usage to drive design decisions and identify areas for optimization.

• Workflow Planning & Optimization: Agile methodologies, specifically Scrum, are employed, requiring iterative development, sprint planning, and continuous feedback loops to optimize workflows and delivery timelines.

• Automation & Efficiency: Emphasis on automating testing, build processes, and deployment pipelines to increase efficiency and reduce manual overhead, aligning with the goals of the Open Blue AI Platform.

Company Website: https://www.johnsoncontrols.com/

📝 Enhancement Note: Johnson Controls' strategic focus on digital transformation through initiatives like Open Blue suggests a dynamic and forward-thinking environment within a large, established corporation. The UI Engineer will be part of a team pushing technological boundaries, requiring adaptability and a proactive approach.

📈 Career & Growth Analysis

Operations Career Level: This role is classified as a "Sr Staff UI Engineer," indicating a senior individual contributor position. It sits above a standard Senior Engineer and below a principal or architect role. This level typically involves significant technical ownership, mentoring junior engineers, influencing architectural decisions, and tackling the most complex technical challenges within the UI domain.

Reporting Structure: The Sr Staff UI Engineer will likely report to an Engineering Manager or a Director of Engineering within the Open Blue AI Platform group. They will work closely with other senior engineers, architects, product managers, and potentially data scientists.

Operations Impact: The UI Engineer's work directly impacts the usability, efficiency, and adoption of the Open Blue AI Platform. By designing and developing intuitive, performant, and data-rich user interfaces, they enable users (internal teams, customers, partners) to effectively leverage AI and ML capabilities, driving operational efficiency and unlocking new business value for Johnson Controls.

Growth Opportunities:

• Technical Specialization: Deepen expertise in specific UI frameworks (especially Ember.js), front-end performance optimization, or advanced JavaScript patterns.

• Leadership Development: Transition into a hands-on technical lead role, guiding project teams, making key architectural decisions, and mentoring junior engineers.

• Cross-Functional Exposure: Gain exposure to machine learning model deployment, edge computing concepts, and backend integration patterns, broadening technical understanding.

• Architectural Influence: Contribute to the design and evolution of the overall UI architecture for the Open Blue platform and potentially other Johnson Controls digital products.

• Process Improvement: Lead initiatives to improve front-end development processes, tooling, and best practices across teams.

📝 Enhancement Note: The "Sr Staff" title suggests a high level of individual contribution and influence. Growth opportunities will likely focus on deepening technical mastery, taking on more complex projects, and potentially moving into technical leadership or architectural roles within the expanding digital product portfolio of Johnson Controls.

🌐 Work Environment

Office Type: This position is based at the Johnson Controls India COEE1 facility in Pune, indicating an on-site work environment. This setup facilitates direct collaboration, team cohesion, and access to office resources.

Office Location(s): Pune, Maharashtra, India. This location is a major IT and engineering hub in India, offering a good talent pool and infrastructure.

Workspace Context:

• Collaborative Environment: The on-site nature fosters direct interaction with colleagues, promoting spontaneous problem-solving and knowledge sharing within the UI engineering team and with other functional groups.

• Operations Tools & Technology: Expect access to modern development tools, robust IT infrastructure, and potentially specialized hardware or software required for AI/ML platform development and testing.

• Team Interaction: Opportunities for regular team meetings, stand-ups, design sessions, and pair programming, encouraging a cohesive and communicative work atmosphere.

Work Schedule:

• The standard work schedule is typically 40 hours per week.

• While on-site, there may be some flexibility in daily working hours to accommodate personal needs, provided project deliverables and team collaboration requirements are met.

• The role demands commitment to project timelines and sprint goals, which may occasionally require focused effort.

📝 Enhancement Note: The on-site requirement in Pune suggests a traditional office-based work environment, emphasizing in-person collaboration. This can be beneficial for complex problem-solving and team building, especially within a specialized group like the Open Blue AI Platform.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: HR or recruiter will review applications and conduct a brief screening call to assess basic qualifications, experience, and cultural fit.

• Technical Screening: A phone or video call with an engineering lead or senior engineer to discuss technical background, core skills, and problem-solving abilities. This may include conceptual questions about JavaScript, frameworks, and UI design.

• Portfolio Review & Technical Interview: A dedicated session where candidates present their portfolio, walking through selected projects. This will be followed by in-depth technical questions, potentially including live coding exercises, architectural design discussions, and scenario-based problem-solving related to UI development, performance, and data handling.

• Team/Manager Interview: A conversation with the hiring manager and/or key team members to evaluate team fit, communication skills, approach to collaboration, and understanding of the role's broader context within the Open Blue initiative.

• Final Round: Potentially a discussion with a senior leader or architect to confirm overall fit and strategic alignment.

Portfolio Review Tips:

• Curate Strategically: Select 2-3 of your strongest projects that best demonstrate your experience with component-based SPAs (especially Ember.js), data-dense UIs, and complex front-end challenges.

• Focus on Impact: For each project, clearly articulate the problem you solved, your specific role and contributions, the technologies used, the technical challenges you overcame, and the measurable outcomes or impact (e.g., performance improvements, user adoption, efficiency gains).

• Showcase Process: Be prepared to discuss your development process, including how you approach requirements, design, testing, debugging, and collaboration. Highlight your experience with Agile/Scrum.

• Technical Depth: Be ready to dive deep into the technical details of your showcased projects, explaining architectural decisions, code patterns, and trade-offs.

• Tailor to the Role: Emphasize projects that align with the requirements of this Sr Staff UI Engineer role, such as experience with Ember.js, operational UIs, and integrating with backend systems.

Challenge Preparation:

• Coding Challenges: Practice JavaScript coding problems, focusing on algorithms, data structures, and asynchronous programming. Be comfortable with problem-solving scenarios related to front-end performance, state management, and UI rendering.

• System Design: Prepare to discuss how you would design a complex UI component or a feature for an operational dashboard, considering scalability, maintainability, and user experience.

• Framework-Specific Questions: Brush up on advanced concepts of Ember.js (or React/Angular if that's your primary experience), including routing, data management, component lifecycle, and performance tuning.

• Problem-Solving Scenarios: Think about how you would approach debugging a difficult UI bug reported by a user or how you would optimize the loading time of a data-intensive page.

📝 Enhancement Note: The emphasis on portfolio presentation and technical depth suggests that the interview process will be rigorous, aiming to assess not just theoretical knowledge but also practical application and problem-solving skills in real-world scenarios.

🛠 Tools & Technology Stack

Primary Tools:

• Core Web Technologies: HTML5, CSS3 (Sass), JavaScript (ES2022+).

• SPA Frameworks: Ember.js (strongly preferred), React, Angular.

• Build Tools & Ecosystem: ember-cli/Broccoli, Webpack, Babel, Node.js (v20), pnpm.

• Testing Frameworks: QUnit, qunit-dom, @ember/test-helpers, Testem, headless Chrome (preferred); Jest, Karma, Jasmine (considered).

• Databases & Caching: PostgreSQL (relational), Redis (in-memory data store), RedisTimeSeries (time-series data).

• Version Control: Git, GitHub.

• Project Management: JIRA.

Analytics & Reporting:

• While not explicitly listed, expect to work with tools that provide insights into application performance, user behavior, and system health. This might involve browser developer tools, APM (Application Performance Monitoring) tools, and potentially custom-built dashboards. CRM & Automation:

• This role is primarily front-end development focused. While direct CRM/automation tool experience might not be core, understanding how the UI interacts with backend services that might be managed by CRM or automation platforms is beneficial. Experience with CI/CD pipelines for front-end deployments would also be valuable.

📝 Enhancement Note: The specified technology stack is quite specific, with a strong preference for the Ember.js ecosystem. Candidates should highlight their experience with these tools, especially those listed as preferred. Proficiency in integrating with PostgreSQL and Redis for data-dense UIs is also a key requirement.

👥 Team Culture & Values

Operations Values:

• Innovation & Digital Transformation: A commitment to embracing new technologies and driving digital advancements through the Open Blue initiative.

• Quality & Reliability: A focus on delivering high-quality, stable, and performant software solutions, underpinned by rigorous testing and best practices.

• Collaboration & Teamwork: An emphasis on working effectively within a global team, sharing knowledge, and supporting colleagues to achieve common goals.

• Customer Value: A dedication to building solutions that deliver tangible value to customers by enhancing building performance, safety, and sustainability.

• Continuous Improvement: A proactive approach to identifying opportunities for process optimization, skill enhancement, and technological advancement.

Collaboration Style:

• Cross-functional Integration: The team operates in a highly collaborative manner, integrating closely with backend engineers, product managers, and potentially data scientists to ensure seamless development of AI-driven features.

• Process Review & Feedback: A culture that encourages open discussion and feedback during code reviews, design sessions, and retrospectives to refine processes and outcomes.

• Knowledge Sharing: Practices that promote the dissemination of technical expertise and best practices across the team, potentially through internal tech talks, documentation, or pair programming.

📝 Enhancement Note: The culture at Johnson Controls, particularly within the Open Blue AI Platform group, likely blends the stability of a large corporation with the agility and innovation required for digital transformation. Expect a professional environment that values technical excellence, collaboration, and a results-oriented approach.

⚡ Challenges & Growth Opportunities

Challenges:

• Ember.js Ecosystem Mastery: For those new to Ember.js, mastering its conventions, tooling, and ecosystem will be a primary learning curve.

• Edge Computing & ML Integration: Understanding and effectively visualizing data and controls for edge computing and machine learning models, especially under constrained resources, presents a unique UI challenge.

• Global Collaboration: Effectively communicating and coordinating development efforts with globally distributed teams across different time zones and cultural nuances.

• Legacy System Integration: Potentially integrating modern front-end solutions with existing or legacy backend systems, requiring careful architectural planning.

• Information Security Compliance: Adhering to stringent information security policies and developing secure software in a highly regulated industry.

Learning & Development Opportunities:

• Operations Skill Advancement: Deepen expertise in advanced JavaScript, front-end performance optimization, and modern UI architectural patterns.

• Industry Conference & Certification: Opportunities to attend relevant industry conferences (e.g., EmberConf, JSConf) and pursue certifications in specialized areas.

• Operations Mentorship: Benefit from mentorship from senior engineers and technical leads within Johnson Controls, gaining insights into career progression and technical leadership.

• Exposure to AI/ML & Edge Computing: Gain practical experience working on platforms that leverage cutting-edge AI, ML, and edge computing technologies, broadening technical horizons.

📝 Enhancement Note: The challenges presented are typical for roles involving advanced technology adoption and global team dynamics. Johnson Controls' commitment to digital transformation provides a fertile ground for professional growth, especially for engineers eager to work at the forefront of IoT and AI.

💡 Interview Preparation

Strategy Questions:

• UI Strategy: "How would you approach designing a user interface for monitoring and controlling machine learning models deployed at the edge, considering potential latency and intermittent connectivity?" (Focus on your thought process, data visualization, error handling, and offline capabilities.)

• Collaboration & Stakeholder Management: "Describe a time you had to influence the technical direction of a UI feature, perhaps when there were differing opinions among stakeholders. How did you manage the process and reach a consensus?" (Highlight your communication, negotiation, and technical justification skills.)

• Problem-Solving: "Imagine a critical UI bug is reported that affects a significant portion of our users. Walk me through your process for diagnosing and resolving this issue efficiently." (Emphasize your debugging methodology, use of tools, and communication during resolution.)

Company & Culture Questions:

• "What interests you about Johnson Controls' Open Blue initiative and its focus on digital transformation and AI?" (Research the initiative, its goals, and how your skills align.)

• "How do you approach working within a globally distributed team, and what strategies do you use to ensure effective collaboration?" (Discuss your experience with asynchronous communication, documentation, and cultural awareness.)

• "How do you measure the success of a UI feature you've developed, beyond just meeting functional requirements?" (Prepare to discuss metrics related to user adoption, performance, efficiency gains, and business impact.) Portfolio Presentation Strategy:

• Storytelling: Frame your portfolio projects as compelling stories. Start with the problem, detail your solution and role, and conclude with the impact and lessons learned.

• Metrics & ROI: Quantify the benefits of your work whenever possible. Use data to demonstrate improvements in performance, usability, efficiency, or business outcomes.

• Technical Deep Dive: Be prepared to answer detailed questions about your code, architecture, and design choices. Show your understanding of the underlying technologies and trade-offs.

• Alignment: Explicitly connect your portfolio examples to the requirements of the Sr Staff UI Engineer role at Johnson Controls, highlighting your experience with Ember.js, operational UIs, and related technologies.

📝 Enhancement Note: Interview preparation should focus on demonstrating not only technical proficiency but also strategic thinking, problem-solving capabilities, and a collaborative mindset. Be ready to articulate your contributions and their impact clearly and concisely.

📌 Application Steps

To apply for this Sr Staff UI Engineer position:

• Submit your application through the Johnson Controls careers portal via the provided URL.

• Tailor your Resume: Update your resume to prominently feature your experience with HTML, CSS/Sass, JavaScript (ES2022+), and any SPA frameworks (especially Ember.js, but also React/Angular). Quantify your achievements with specific metrics where possible.

• Prepare Your Portfolio: Curate a selection of 2-3 key projects that showcase your ability to build data-dense operational UIs, your expertise in component-based architectures, and your experience with front-end tooling and testing. Ensure you can articulate the technical challenges and solutions for each project.

• Practice Interview Questions: Rehearse answers to common technical questions related to JavaScript, SPA frameworks, performance optimization, and debugging. Prepare to discuss your approach to problem-solving and your experience with Agile methodologies.

• Research Johnson Controls: Familiarize yourself with Johnson Controls' mission, its Open Blue initiative, and its commitment to digital transformation and sustainability. Understand how the UI Engineer role contributes to these broader goals.

⚠️ 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.