Software Engineer I

Responsibilities

• Component Engineering & Modular UI Development
• Design, implement, and maintain reusable, performant, and framework-agnostic UI components using modern native Web Component standards (Custom Elements v1, Shadow DOM v1, and HTML
• Templates).
• Ensure components adhere strictly to accessibility standards (WCAG 2.1 AA, ARIA roles) and semantic HTML practices.
• Optimize component performance, minimizing layout thrashing, excessive repaints, and memory leaks caused by improper lifecycle management or dangling DOM references.
• Architecture & State Management Implementation
• Implement structured client-side architectures based on the Model-View-ViewModel (MVVM) pattern,
• facilitating clean data binding and strict separation of UI layout from business logic.
• Utilize Publish-Subscribe (Pub-Sub) patterns, custom event brokers, and message buses to drive decoupled, asynchronous, inter-component communication across disparate micro-frontends.
• Maintain localized component states and bind them reliably to global application states using
• asynchronous JavaScript workflows (Promises, Async/Await, Observables).
• Testing, Documentation & Technical Quality
• Write robust unit and integration tests for custom components and modules using modern assertion libraries (e.g., Web Component Tester, Jest, Mocha, or Playwright).
• Document technical designs, architectural decisions, and component APIs using comprehensive JSdoc annotations and Storybook catalogs.
• Participate proactively in peer code reviews, adhering to organizational guidelines for code cleanliness, functional design patterns, and cross-browser interoperability.
• TECHNICAL COMPETENCIES & MATRIX
• Below is the expected competency landscape for an engineer joining at the SE I level:
• Domain Expected Capabilities (SE I Level) Key Technologies / Concepts
• Core JavaScript Profound understanding of prototypes,
• closures, event loops, scopes, execution
• contexts, hoisting, and deep vs. shallow
• cloning. Fluent in ES6+ syntax.
• ES2022+ Async/Await
• Closures Event Loop
• Web Components: Ability to author components from scratch.
• Proficient with Shadow DOM boundaries (open vs. closed), slot composition, and lifecycle callbacks.
• Custom Elements v1
• Shadow DOM HTML Templates
• LitElement / Lit
• Design Patterns: Clear separation of concerns using MVVM.
• Experience building functional 1-way or 2-way data bindings and implementing
• custom decoupled Pub-Sub message buses.
• MVVM Pub-Sub Pattern
• Observer Pattern
• Data Binding
• DOM & Events Handling DOM events safely using capture/bubble phases, event delegation, custom event dispatching, and memory cleanup.
• Event Delegation
• CustomEvents Pointer Events
• REQUIREMENTS & QUALIFICATIONS

Requirements

• Experience: 1+ years of professional front-end engineering experience writing production-grade enterprise client-side web applications.
• Core Expertise: Strong proficiency in vanilla JavaScript (ES6+), semantic CSS3/HTML5, and modern
• browser

Benefits

Additional Information

Company overview: TraceLink is the world's largest Agentic Business Network, enabling life sciences and healthcare companies to build and manage a scalable digital workforce of governed, no-code AI agents that execute and coordinate mission-critical supply chain operations alongside human teams. Powered by the Integrate-Once™ OPUS platform, TraceLink links more than 300,000 network participants, enabling multi-enterprise processes at global scale. Founded in 2009 with the simple mission of protecting patients, today Tracelink has 5 global offices, over 800 employees and more than 1700 customers in over 60 countries around the world. Our expanding product suite continues to protect patients and now also enhances multi-enterprise collaboration through innovative new applications such as MINT. Tracelink is recognized as an industry leader by Gartner and IDC, and for having a great company culture by Comparably. PRIMARY ARCHITECTURE DOMAIN Vanilla JavaScript (ES6+) - Web Components (Custom Elements, Shadow DOM, HTML Templates) - MVVM Architecture - Pub-Sub Event Systems - Reactive UI State Management * NodeJS ROLE SUMMARY Seeking a focused and detail-oriented Software Engineer I to join our Core UI Platform team. In this role, you will move beyond standard monolithic frameworks to design, build, and maintain highly scalable, framework-agnostic No Code UI systems. You will leverage the native capabilities of modern browsers, specializing heavily in Vanilla JavaScript, W3C standard Web Components, and decoupling patterns such as Model-View-ViewModel (MVVM) and Publish-Subscribe (Pub-Sub). As an SE I, you will work within an agile squad dedicated to delivering modular, ultra-high-performance UI elements that form the foundational micro-frontends of our enterprise cloud applications. This position is ideal for an engineer who wants to master browser internals, write memory-efficient code, and build foundational architectural systems rather than just consuming third-party UI frameworks.

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