Senior Backend Software Engineer, UI Platform and Services (TypeScript / Node.js)

📍 Job Overview

Job Title: Senior Backend Software Engineer, UI Platform and Services (TypeScript / Node.js)

Company: SentinelOne

Location: India

Job Type: Full-Time

Category: Software Engineering / Platform Engineering

Date Posted: March 09, 2026

Experience Level: 5-10 years

Remote Status: Remote OK

🚀 Role Summary

• Spearhead the architecture and implementation of global, unified services for SentinelOne's cybersecurity products, enhancing developer productivity and application performance.

• Drive technical excellence in UI Platform and Services initiatives, focusing on standardized developer tooling and common service creation.

• Collaborate closely with product managers and designers to build essential tools and services supporting multiple strategic product lines.

• Act as a technical mentor, guiding and developing other engineers while fostering a culture of engineering excellence and best practices.

📝 Enhancement Note: This role is positioned as a Senior Backend Software Engineer within a specialized UI Platform and Services team. The emphasis on "global services," "unifying functionality," and "developer productivity" indicates a focus on building foundational, reusable components and infrastructure that impact multiple product engineering teams. The requirement for ownership from architecture to deployment suggests a hands-on, full-lifecycle engineering responsibility.

📈 Primary Responsibilities

• Architect, design, and implement scalable, high-performance backend services using TypeScript and Node.js to support UI platform functionalities.

• Develop and maintain Infrastructure as a Code (IaC) for service deployment, ensuring robust and repeatable infrastructure management.

• Design and consume GraphQL APIs, ensuring efficient and flexible data communication patterns within the platform.

• Integrate and manage microservices within containerized environments (Docker, Kubernetes) for optimal deployment and scalability.

• Build and maintain CI/CD pipelines (e.g., GitHub Actions, ArgoCD) to automate the build, test, and deployment processes for platform services.

• Collaborate with product management to translate business requirements into technical solutions for platform features and tooling.

• Mentor junior engineers, conduct code reviews, and share knowledge on best practices in backend development, API design, and cloud infrastructure.

• Contribute to the migration of existing services onto new infrastructure and ensure compliance with standards like FedRAMP where applicable.

• Troubleshoot and resolve complex technical issues across the platform services, ensuring high availability and reliability.

📝 Enhancement Note: The responsibilities listed are derived from the core duties mentioned in the job description, expanded to reflect typical senior-level backend and platform engineering expectations. The emphasis on "global services," "unifying functionality," and "developer productivity" implies a strategic role in setting standards and building foundational elements, rather than feature-specific development for end-user products.

🎓 Skills & Qualifications

Education:

Experience:

• A minimum of 5+ years of professional experience in full-stack development with a strong specialization in backend systems.

• Proven track record of developing and deploying complex, scalable backend services in a production environment.

Required Skills:

• TypeScript & Node.js: Extensive experience (5+ years) in developing scalable applications using TypeScript and Node.js.

• GraphQL: Proficiency in consuming and designing GraphQL APIs for efficient data retrieval and manipulation.

• Microservices Architecture: Deep understanding and practical experience with designing, building, and deploying microservices.

• Containerization & Orchestration: Hands-on experience with Docker and Kubernetes for container management and orchestration.

• Cloud Services: Proven experience with major cloud platforms, specifically AWS (S3, CloudFront) and GCP.

• CI/CD: Expertise in implementing and managing CI/CD pipelines, including tools like GitHub Actions and ArgoCD.

• API Design: Strong ability to design robust and maintainable APIs (REST, GraphQL, gRPC).

• Problem-Solving: Demonstrated ability to tackle complex requirements and orchestrate intricate processes.

Preferred Skills:

• Java or Python: Experience with Java or Python is considered a plus, indicating versatility.

• React: Familiarity with React for front-end development can be beneficial for understanding the full stack context.

• Infrastructure as Code (IaC): Experience with IaC tools for managing cloud infrastructure.

• Messaging Queues: Experience with technologies like Kafka for asynchronous communication.

• FedRAMP: Familiarity with FedRAMP compliance requirements, particularly relevant for government-related deployments.

📝 Enhancement Note: The "5+ years" experience level, combined with the focus on platform services, microservices, and cloud-native technologies, strongly suggests a Senior Engineer role. The preferred skills in Java/Python and React indicate a desire for engineers who can contribute across a broader spectrum or have a strong understanding of the full development lifecycle, even if the primary focus is backend.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Code Samples: Demonstrable examples of robust TypeScript/Node.js backend code, ideally showcasing microservices, API design (GraphQL/REST), and efficient data handling.

• Architecture Diagrams: Visual representations of system designs, illustrating microservices interactions, data flows, and infrastructure components.

• API Specifications: Documentation or examples of APIs designed and implemented, particularly GraphQL schemas and configurations.

• CI/CD Pipeline Examples: Evidence of automated build, test, and deployment processes managed through tools like GitHub Actions or ArgoCD.

• Cloud Infrastructure Configuration: Examples of IaC scripts or configurations for AWS or GCP services.

Process Documentation:

• Workflow Design: Candidates should be prepared to discuss how they have designed and optimized workflows for service development, deployment, and monitoring.

• Automation Strategies: Examples of how automation has been applied to improve developer productivity, streamline deployment, or enhance system reliability.

• Performance Metrics Analysis: Ability to present how system performance was measured, analyzed, and improved through architectural changes or code optimizations.

📝 Enhancement Note: For a Senior Backend Software Engineer role focused on a platform team, a portfolio demonstrating practical application of core technologies and architectural principles is essential. The emphasis on "developer tooling" and "common services" means showcasing an ability to build solutions that directly benefit other engineers, making process optimization and efficiency a key theme for portfolio examples.

💵 Compensation & Benefits

Salary Range:

Benefits:

• Flexible Working: Flexible working hours and a hybrid/remote work model.

• Time Off: Flexible Time Off and Flexible Paid Sick Days.

• Equity: Generous employee stock plan in the form of RSUs and an Employee Stock Purchase Plan (ESPP).

• Health & Wellness:

  • Gym membership/sports gears by Cultfit.
  • Wellness Coach app with extensive on-demand sessions and classes.
  • Private medical insurance plan for employees and their families.
  • Telemedical app consultation (Practo).
  • Global Employee Assistance Program for confidential counseling.

• Insurance: Life Insurance covered by S1.

• Hardware & Setup: High-end MacBook or Windows laptop, home-office-setup allowances (one-time), maintenance allowance, and internet allowances.

• Retirement & Bonus: Provident Fund and Gratuity (as per government clauses), NPS contribution, and a half-yearly bonus program.

• Professional Development: Udemy Business platform for hard/soft skills training and support for further educational activities.

• Referral Bonus: Above-standard referral bonus as per policy.

• Food: Sodexo food coupons.

• Parental Leave: Global gender-neutral Parental Leave (16 weeks, in addition to local provisions).

Working Hours:

• The role is listed as requiring 40 hours per week, with flexibility in working hours to accommodate different time zones and personal needs, typical for remote or hybrid roles in the tech industry.

📝 Enhancement Note: The salary range is an estimate based on current market data for Senior Backend Engineers in India, considering the specified experience level and technology stack. The benefits listed are comprehensive and reflect a competitive package for senior-level talent in the Indian tech market.

🎯 Team & Company Context

🏢 Company Culture

Industry: Cybersecurity Technology. SentinelOne is a leader in AI-powered cybersecurity solutions, focused on protecting enterprises from advanced threats. This means the work is at the forefront of technological innovation, dealing with complex security challenges.

Company Size: SentinelOne is a significant player in the cybersecurity market, indicating a mid-to-large-sized organization with established processes and resources, but likely retaining a dynamic, fast-paced culture. They have a global presence with multiple offices.

Founded: SentinelOne was founded in 2013, suggesting a relatively young but rapidly growing company that has achieved significant market traction and scalability.

Team Structure:

• The UI Platform and Services team is described as consisting of 3 full-stack engineers and a DevOps engineer, with the Senior Backend Engineer joining this group. This indicates a small, focused, and agile team responsible for critical platform components.

• The Senior Engineer is expected to mentor others, suggesting a leadership aspect within this small team.

Methodology:

• The team's work involves building standardized developer tooling and common services, implying a focus on internal efficiency and developer experience.

• They leverage Infrastructure as a Code (IaC) for deployment, emphasizing automation and repeatability.

• The tech stack includes modern practices like microservices, containerization (Docker, Kubernetes), and cloud-native development (AWS, GCP).

• Communication relies on a mix of sync and async methods, utilizing technologies like Kafka, REST APIs, GraphQL, and gRPC.

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

📝 Enhancement Note: The company context highlights SentinelOne as an innovative leader in cybersecurity. The specific team structure (small, cross-functional, focused on platform enablement) suggests an environment where individual contributions have a significant impact. The emphasis on "developer tooling" and "common services" points to a culture that values engineering efficiency and internal product development.

📈 Career & Growth Analysis

Operations Career Level: This role is clearly defined as "Senior Backend Software Engineer," placing it at an experienced individual contributor level. It signifies a move beyond basic coding to architectural design, technical leadership, and mentoring. The focus on platform services means career growth can lead to Staff, Principal, or Architect roles within platform engineering, or potentially into management if desired.

Reporting Structure: The Senior Engineer will likely report to a Engineering Manager or Lead responsible for the UI Platform and Services team. They will work closely with other engineers on the team, including full-stack and DevOps specialists.

Operations Impact: While not a traditional "Revenue Operations" role, the impact is significant. By building and improving the UI Platform and Services, this engineer directly enables product engineering teams to build and ship features faster and more reliably. This accelerates product development cycles, improves application quality, and ultimately contributes to the company's ability to deliver its cybersecurity solutions effectively and scale its offerings, thereby impacting revenue indirectly but powerfully.

Growth Opportunities:

• Technical Specialization: Deepen expertise in TypeScript/Node.js, GraphQL, Kubernetes, and cloud-native architectures, potentially becoming a go-to expert in these areas.

• Architectural Leadership: Progress to designing more complex, cross-product platform initiatives, potentially leading to Staff or Principal Engineer roles focusing on system architecture.

• Mentorship & Team Leadership: Develop leadership skills by mentoring junior engineers, leading code reviews, and contributing to team-wide best practices. This can be a pathway to Tech Lead or Engineering Management roles.

• Cross-Functional Exposure: Gain broader understanding of product development lifecycles and business strategy by working closely with product managers and designers.

• Industry Trends: Stay abreast of cutting-edge technologies in cybersecurity, AI, and cloud infrastructure, applying them to platform development.

📝 Enhancement Note: This analysis focuses on the career trajectory for a senior software engineer in a platform role within a tech company. The "operations impact" is framed in terms of enabling other operational functions (product engineering) rather than direct revenue operations. Growth opportunities are detailed based on typical progression paths for senior individual contributors in software engineering.

🌐 Work Environment

Office Type: The job description explicitly mentions "hybrid/remote work model," indicating flexibility. SentinelOne has offices, but this role is open to remote work within India. This suggests a blend of potential in-office collaboration and remote autonomy.

Office Location(s): While the primary location is listed as "India," SentinelOne has offices in various global locations, including India. Candidates should confirm specific office hubs if they prefer a hybrid setup, or confirm remote work eligibility within India.

Workspace Context:

• Collaboration: The team structure (small, cross-functional) promotes close collaboration. Engineers work with product managers and designers, and within their engineering team (full-stack, DevOps). This implies a dynamic environment where communication and teamwork are key.

• Technology: Access to high-end hardware (MacBook/Windows laptop) and allowances for home office setup, internet, and maintenance underscore a commitment to providing a productive remote workspace.

• Tools: The team utilizes modern development and deployment tools, including GitHub Enterprise, GitHub Actions, ArgoCD, Docker, Kubernetes, and cloud platforms (AWS, GCP), providing a rich technology environment.

Work Schedule:

• The standard working hours are 40 per week, but the mention of "Flexible working hours" suggests an emphasis on results and autonomy rather than strict adherence to a 9-to-5 schedule, which is common for remote roles and senior engineers.

📝 Enhancement Note: The work environment is characterized by flexibility (remote/hybrid, flexible hours) and a strong emphasis on providing resources for effective remote work. The collaborative nature of the small team and the use of modern tech stacks are key aspects of the workspace context.

📄 Application & Portfolio Review Process

Interview Process:

• Application Submission: Submit resume and any supporting materials through the company's career portal.

• Initial Screening: A recruiter or hiring manager will review applications to assess qualifications against the job requirements.

• Technical Screening: Typically involves a coding challenge or a live coding session focusing on core skills like TypeScript,

Node.js, and algorithm design.

• Technical Interviews: Multiple rounds of interviews with engineers and potentially the hiring manager. These will delve into:

  • System design and architecture for scalable backend services.
  • Deep dives into experience with TypeScript, Node.js, GraphQL, microservices, Docker, Kubernetes, and cloud platforms.
  • Problem-solving scenarios and debugging complex issues.

• Hiring Manager/Team Interview: Focus on cultural fit, team collaboration, mentoring abilities, and overall alignment with SentinelOne's values.

• Final Round: May involve senior leadership or a final architecture discussion.

Portfolio Review Tips:

• Showcase Impact: Highlight projects where your contributions led to measurable improvements in developer productivity, application performance, or system reliability.

• Demonstrate Architecture: Prepare to walk through system designs, explaining your architectural choices, trade-offs considered, and how the system scales.

• API Design Focus: Clearly articulate your experience with GraphQL, including schema design, query optimization, and resolving complexity.

• Code Quality: If sharing code samples (e.g., via GitHub), ensure it is well-documented, clean, and follows best practices.

• CI/CD & IaC: Be ready to explain your experience setting up and managing CI/CD pipelines and infrastructure as code.

Challenge Preparation:

• Coding Challenges: Practice algorithm and data structure problems on platforms like LeetCode, HackerRank, or similar, focusing on TypeScript/JavaScript.

• System Design: Study common system design patterns and prepare to design scalable backend systems, APIs, and microservices. Consider trade-offs related to performance, scalability, cost, and maintainability.

• Scenario-Based Questions: Prepare for questions like "How would you debug a performance issue in a Node.js microservice?" or "How would you design a notification service?"

📝 Enhancement Note: The interview process is structured to assess technical depth, architectural thinking, problem-solving skills, and cultural fit. The portfolio review emphasizes practical demonstration of skills and impact, particularly in areas relevant to platform engineering and backend services.

🛠 Tools & Technology Stack

Primary Tools:

• Language/Runtime: TypeScript, Node.js (primary), Java, Python (plus).

• API Technologies: GraphQL (design and consumption), REST API, gRPC.

• Containerization & Orchestration: Docker, Kubernetes.

• Cloud Platforms: AWS (S3, CloudFront), GCP.

• CI/CD & Automation: GitHub Actions, ArgoCD.

• Version Control: GitHub Enterprise.

Analytics & Reporting:

CRM & Automation:

• This role is backend/platform-focused, so direct CRM interaction is unlikely. However, understanding how platform services integrate with or support CRM functionalities from a data or API perspective may be beneficial. Automation is key, with a focus on CI/CD and IaC.

📝 Enhancement Note: The technology stack is modern and comprehensive, covering core backend development, cloud infrastructure, containerization, and developer workflow automation. Proficiency in these areas is critical for success in this role.

👥 Team Culture & Values

Operations Values:

• Innovation: A drive to push limits and leverage AI for cybersecurity solutions.

• Collaboration: Working effectively within a team and across departments (product management, designers).

• Ownership & Impact: Taking responsibility for features from conception to deployment and making visible contributions.

• Engineering Excellence: Commitment to high-quality code, robust architecture, and best practices.

• Continuous Learning: Staying updated with evolving threats and technologies in cybersecurity and software engineering.

Collaboration Style:

• Agile & Iterative: The team's focus on building common services and tooling suggests an iterative approach, responding to the needs of product engineering teams.

• Cross-Functional: Close collaboration with product managers and designers is essential for defining and building effective platform tools.

• Mentorship-Oriented: A culture where senior engineers actively guide and support the growth of others.

• Data-Driven: The team's existing work on gathering developer metrics implies a data-informed approach to understanding and improving developer workflows.

📝 Enhancement Note: SentinelOne's core values of innovation, collaboration, and impact are likely reflected in this team's culture. The emphasis on platform services suggests a strong internal customer focus (i.e., supporting other engineering teams).

⚡ Challenges & Growth Opportunities

Challenges:

• Scalability & Performance: Building global services that must perform reliably and efficiently for a rapidly growing cybersecurity platform.

• Complexity Management: Integrating diverse functionalities and supporting multiple product lines within a unified platform.

• Balancing Innovation & Stability: Delivering new platform features while maintaining the stability and reliability required by internal engineering teams.

• Evolving Threat Landscape: Adapting platform services to support new cybersecurity product requirements driven by emerging threats.

• Cross-Team Dependencies: Managing dependencies and ensuring seamless integration with various product engineering teams.

Learning & Development Opportunities:

• Deep Dive into Cloud-Native Technologies: Further mastering Kubernetes, AWS/GCP services, and IaC.

• Advanced API Design: Exploring advanced GraphQL patterns, performance optimization, and potentially different API strategies (e.g., event-driven architectures).

• Security Best Practices: Gaining deeper insight into cybersecurity principles and how to build secure platform services.

• Leadership & Mentorship: Developing skills in guiding technical teams and fostering engineering talent.

• Exposure to AI/ML in Cybersecurity: Understanding how AI is applied in SentinelOne's products and how platform services can support these initiatives.

📝 Enhancement Note: The challenges and growth opportunities are tailored to a senior backend engineer role within a cutting-edge tech company, emphasizing technical complexity, scalability, and professional development in specialized areas.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex global service you architected and implemented. What were the key design decisions, challenges, and outcomes?" (Focus on TypeScript/Node.js, microservices, scalability, and impact).

• "How would you design a unified notification service for multiple product teams, considering different delivery channels and user preferences?" (Focus on API design, system architecture, and extensibility).

• "Walk us through your experience with GraphQL. How have you designed schemas, handled performance, and integrated it into a microservices architecture?" (Prepare specific examples of GraphQL implementation).

Company & Culture Questions:

• "What excites you about SentinelOne's mission in cybersecurity?" (Research SentinelOne's products and recent news).

• "How do you approach mentoring junior engineers and fostering a culture of engineering excellence?" (Prepare examples of mentorship and collaboration).

Portfolio Presentation Strategy:

• Structure: Organize your portfolio around key projects. For each, clearly state the problem, your role, the technologies used, the architectural solution, and the quantifiable results (e.g., % improvement in deployment time, reduction in errors).

• Technical Depth: Be prepared to deep-dive into code snippets, architectural diagrams, and API designs. Explain the 'why' behind your technical choices.

• Focus on Platform Thinking: Emphasize how your work benefited other developers or improved the overall platform's efficiency and reliability.

• GraphQL Expertise: Dedicate a section or specific examples to showcase your GraphQL skills, including schema design and practical application.

📝 Enhancement Note: Interview preparation advice is geared towards a senior backend engineer role, focusing on architectural design, deep technical knowledge, and practical problem-solving, with an emphasis on the specific technologies and team context at SentinelOne.

📌 Application Steps

To apply for this Senior Backend Software Engineer position:

• Submit your application through the SentinelOne careers portal using the provided URL.

• Tailor Your Resume: Highlight your 5+ years of experience in TypeScript/Node.js, GraphQL API design, microservices, Docker, Kubernetes, AWS/GCP, and CI/CD. Quantify achievements wherever possible (e.g., "Reduced API latency by X%", "Improved developer deployment frequency by Y%").

• Prepare Your Portfolio: Curate 2-3 strong projects that best demonstrate your backend architecture, API design (especially GraphQL), and CI/CD experience. Be ready to discuss them in detail, focusing on impact and technical rationale.

• Practice Technical Interviews: Review common data structures, algorithms, and system design concepts. Practice coding problems in TypeScript and be ready to discuss designing scalable backend services and APIs.

• Research SentinelOne: Understand their mission, products, and recent news. Prepare to articulate why you are interested in cybersecurity and specifically in SentinelOne's UI Platform and Services team.

⚠️ 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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