Principal UI Engineer

Reposted 9 Days Ago
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Bangalore, Bengaluru Urban, Karnataka, IND
In-Office
Expert/Leader
Software
The Role
Define and evangelize the end-to-end architecture for a multi-tenant cloud-native data platform. Lead designs for streaming, low-latency query, multi-cloud operations, security/compliance, SRE practices, and AI/agent integrations. Mentor senior engineers, run architecture reviews, partner with executives and customers, and drive reliable, cost-efficient platform delivery.
Summary Generated by Built In
Principal UI Engineer

Location: Bengaluru, India (Hybrid)

About Reltio

At Reltio®, an SAP Company, we believe data should fuel your success in the enterprise AI era. Our  Context Intelligence Platform turns fragmented data into a trusted, connected context so AI agents and systems can act with expert-level judgement at enterprise scale. Reltio’s cloud-native SaaS platform harmonizes, unifies, and governs data across sources and formats—including unstructured data—in real time, turning them into data assets that can be mobilized in milliseconds to any application, user, or AI agent. Trusted by more than 200 of the world’s largest brands across industries such as life sciences, financial services, healthcare, and technology, we fuel frictionless operations and help enterprises accelerate  innovation and reduce risk.

At Reltio, our values guide everything we do. With an unyielding commitment to prioritizing our “Customer First”, we strive to ensure their success. We embrace our differences and are “Better Together” as One Reltio. We are always looking to “Simplify and Share” our knowledge when we collaborate to remove obstacles for each other. We hold ourselves accountable for our actions and outcomes and strive for excellence. We “Own It”. Every day, we innovate and evolve, so that today is “Always Better Than Yesterday”. If you share and embody these values, we invite you to join our team at Reltio and contribute to our mission of excellence.

Reltio has earned numerous awards and industry and analyst recognition for our technology, our culture and our people. Reltio was founded on a distributed workforce and offers flexible work arrangements to help our people manage their personal and professional lives. If you’re ready to work on unrivaled technology where your desire to be part of a collaborative team is met with a laser-focused mission to enable digital transformation with connected data, let’s talk!

Role Overview

As a Principal UI Engineer, you will define and lead the frontend architecture for Reltio's next-generation cloud platform. You'll collaborate with Product Management, UX, Backend Engineering, and Platform teams to deliver scalable, high-performance applications used by Fortune 500 customers worldwide.

This role combines hands-on engineering with technical leadership. You'll mentor engineers, establish engineering best practices, influence product direction, and help shape the future of Reltio's user experience.

What You'll Do
  • Lead the architecture, design, and development of complex enterprise-scale web applications.
  • Drive frontend technology strategy across multiple product teams.
  • Build reusable UI frameworks, shared component libraries, and design system integrations.
  • Champion modern frontend engineering practices including performance optimization, accessibility, testing, observability, and security.
  • Partner closely with Product Managers and UX Designers to translate complex workflows into intuitive user experiences.
  • Collaborate with backend teams to design scalable APIs and end-to-end solutions.
  • Influence technical decisions through architecture reviews and design discussions.
  • Mentor senior engineers and help establish a culture of engineering excellence.
  • Improve developer productivity through tooling, automation, CI/CD, and frontend platform initiatives.
  • Stay current with emerging frontend technologies and evaluate their adoption where appropriate.
  • Lead technical initiatives spanning multiple engineering teams.

What You'll BringRequired Qualifications
  • 12+ years of software engineering experience, with at least 8+ years focused on frontend development.
  • Deep expertise in JavaScript, TypeScript, HTML5, and CSS3.
  • Strong experience with React and modern frontend ecosystems.
  • Proven experience designing large-scale SPA architectures.
  • Strong understanding of state management (Redux, Zustand, Context API, MobX, or similar).
  • Experience with micro-frontend architectures.
  • Expertise in frontend performance optimization and web vitals.
  • Experience building reusable component libraries and design systems.
  • Strong understanding of REST APIs, GraphQL, and frontend-backend integration.
  • Experience with automated testing using Jest, React Testing Library, Cypress, or Playwright.
  • Familiarity with modern build tools including Vite, Webpack, Rollup, or ESBuild.
  • Experience with CI/CD pipelines and cloud-native development environments.
  • Strong debugging and performance profiling skills.
  • Excellent communication and stakeholder management skills.

Preferred Qualifications
  • Experience building enterprise SaaS products.
  • Experience with cloud platforms such as AWS, Azure, or GCP.
  • Familiarity with Kubernetes and containerized deployments.
  • Experience with Node.js and backend development.
  • Knowledge of security best practices, including OAuth2, JWT, SSO, and secure frontend development.
  • Experience with accessibility (WCAG 2.1 AA) and internationalization.
  • Exposure to AI-assisted developer tools and AI-powered user experiences.
  • Contributions to open-source projects or technical communities.

Reltio is proud to be an equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. Reltio is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities.

Skills Required

  • 20+ years in product/platform architecture for large-scale, cloud-native SaaS
  • Proven Principal/Distinguished Architect scope leading end-to-end product decisions and multi-cloud migrations
  • Kubernetes and cloud depth (EKS, AKS, GKE); service mesh (Istio, Linkerd); operators/CRDs
  • Observability and platform control planes (Prometheus, Grafana) and SRE practices (SLOs, error budgets)
  • Data platform and streaming expertise (Kafka, Flink, Spark) and columnar/OLAP/NoSQL/search (Druid, ClickHouse, Cassandra, Elasticsearch/OpenSearch)
  • Microservices and enterprise integration at scale: API gateways, event-driven design, SOA/EAI (Apache Camel, Mule, WSO2, JBoss Fuse)
  • AI/ML and agentic AI in production: ML pipelines (MLflow, Kubeflow, Airflow) and LLM/agent frameworks (OpenAI APIs, LLaMA, LangChain, LangGraph)
  • Security, privacy, and compliance by design including threat modeling, data classification, encryption, key management, SBOM/SLSA, and EU GDPR experience
  • Executive communication and customer leadership; ability to translate trade-offs for C-suite and enterprise customers
  • Proven delivery and cross-geo orchestration across US/EU/India time zones and async collaboration practices
  • Mentor and up-level Staff/Principal engineers; run architecture reviews and maintain ADRs/tech radar
  • Multi-cloud platform stewardship (control planes, observability, incident management)
  • Cost/performance engineering experience improving infra cost per tenant and p95/p99 latencies/MTTR
  • Programming fluency for credible code review and reference implementations (Java, Scala, Python, Go, Rust)
  • Open-source contributions to relevant frameworks (Hadoop tuning, NoSQL ORM, Camel/Keycloak)
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The Company
HQ: Redwood City, CA
345 Employees
Year Founded: 2011

What We Do

Reltio is the only company that provides a cloud-native multi-tenant, multi-domain MDM platform which delivers real-time data at scale. The Reltio Connected Data Platform provides agility, scale, simplicity, security, and performance unmatched by competitors. Reltio’s API-first approach eases configuration and integration with downstream applications for developers. This is true innovation. And innovative brands know that connected data is at the heart of delivering exceptional customer experiences. The 3 keys to success are breaking up customer data silos, breaking free from legacy customer data management systems, and breaking through barriers with a better understanding of customers to win in the experience economy. Data innovators trust Reltio to drive hyper-personalization, reimagine customer-centric business processes, simplify compliance with privacy laws, such as GDPR and CCPA, and manage consent and communication preferences at a global level. If you are a Data Innovator and want to position your company to win in the digital economy, let's talk! Also - we are hiring! We have the highest growth rate in our market category and a strong customer renewal and expansion rate. Our cultural values focus on living a customer-first approach, driving innovation, delivering business value, and creating an environment where everyone can learn, grow and have fun! As a matter of fact, we've been rated the #1 Best Small Workplace to work in America by Fortune Magazine and we've been featured on the Deloitte 2019 Technology Fast 500™ List for 3 years in a row. We are looking for people who are smart, dedicated, enjoy working in a team environment, and like to take initiative and get things done. Come join us!

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