Senior Backend Engineer

Persistent Systems; Pune District; On-site; INR 1,500,000 - 2,800,000; Full time

Benefits offered by this job

Flexible hours

Long Service awards

Cutting-edge tech

Insurance coverage

Job summary

Persistent Systems seeks a Senior Backend Engineer to design, build, and scale distributed systems powering mission-critical integrations and data-intensive services. You will work with TypeScript (Node.js) and Python to deliver scalable backend platforms.

You will own SaaS integrations (Microsoft Graph, Google Workspace, Salesforce, Slack), implement OAuth flows, and deploy on Kubernetes. Collaboration with product, security, and infra teams will ensure security, performance, and reliability.

Qualifications

• 7-12 years of backend/large-scale platform experience.
• Strong TypeScript and Node.js expertise.
• Python for backend services and automation.
• Experience with SaaS integrations (MS Graph, Google Workspace, Salesforce, Slack).
• OAuth/OpenID Connect security expertise.
• Experience with event-driven architectures and asynchronous systems.

Responsibilities

• Design, develop, and maintain scalable backend services with TS/Node.js and Python.
• Build distributed systems for large data volumes with high performance.
• Create enterprise SaaS integrations with major platforms.
• Implement OAuth flows, tokens, and webhook processing.
• Develop incremental data synchronization frameworks.
• Ensure fault tolerance with retry, throttling, and concurrency controls.
• Develop event-driven architectures using message queues.
• Deploy and manage apps on Kubernetes.
• Collaborate with product, infra, security, and platform teams.
• Investigate incidents with root-cause analysis.
• Drive reliability, observability, and operational excellence.
• Participate in architecture reviews and design sessions.

Skills

TypeScript

Node.js

Python

Distributed systems

API design

Event-driven

Cloud-native

Kubernetes

Security best practices

Agile

Tools

Microsoft Graph

Google Workspace

Salesforce

Slack

Kubernetes

Job description

We are seeking a highly skilled Senior Backend Engineer to design, build, and scale distributed systems that power mission-critical integrations and data-intensive services. The ideal candidate will have strong expertise in TypeScript (Node.js) and Python, along with hands‑on experience developing large-scale backend platforms, SaaS integrations, event‑driven architectures, and cloud‑native applications.

• Location: Pune
• Experience: 7 to 12 Years
• Job Type: Full‑Time Employment

What You'll Do:

• Design, develop, and maintain highly scalable backend services using TypeScript (Node.js) and Python.
• Build and optimize distributed systems capable of processing large volumes of data with high performance and reliability.
• Develop enterprise‑grade integrations with SaaS platforms such as Microsoft Graph, Google Workspace, Salesforce, Slack, and similar ecosystems.
• Implement and maintain OAuth authentication flows, token management, webhook processing, and change notification mechanisms.
• Design and develop incremental synchronization frameworks to ensure efficient and reliable data movement.
• Build fault‑tolerant systems capable of handling rate limits, retries, throttling, concurrency control, and recovery scenarios.
• Develop event‑driven architectures using message queues, asynchronous processing patterns, and distributed communication mechanisms.
• Deploy, manage, and troubleshoot applications running on Kubernetes environments.
• Design, build, and optimize data models for transactional and analytical workloads.
• Improve database performance, scalability, and system efficiency through continuous optimization.
• Collaborate closely with product, infrastructure, security, and platform engineering teams.
• Investigate production incidents, perform root‑cause analysis, and implement permanent corrective actions.
• Drive platform reliability, observability, and operational excellence initiatives.
• Participate in architecture discussions, code reviews, and technical design sessions.
• Ensure security, scalability, maintainability, and performance best practices are followed throughout the software development lifecycle.

Expertise You'll Bring:

• 7-12 years of experience in backend engineering, distributed systems, or large‑scale platform development.
• Strong hands‑on expertise in TypeScript and Node.js development.
• Strong programming experience with Python for backend services and automation.
• Proven experience building production‑grade backend applications and distributed systems.
• Strong knowledge of API design, development, and integration patterns.
• Experience integrating enterprise SaaS applications and third‑party platforms.
• Deep understanding of OAuth, OpenID Connect, authentication, authorization, and security best practices.
• Experience designing and implementing event‑driven architectures and asynchronous systems.
• Strong understanding of messaging systems, queues, and distributed communication patterns.
• Experience working with cloud‑native applications and containerized environments.
• Hands‑on experience deploying and managing workloads on Kubernetes.
• Strong understanding of database design, optimization, scalability, and data modeling.
• Experience troubleshooting throttling, synchronization, rate limiting, and data consistency challenges.
• Ability to analyze provider API behavior and resolve complex integration issues.
• Strong debugging, troubleshooting, and performance optimization skills.
• Experience implementing monitoring, logging, and observability solutions.
• Excellent problem‑solving and analytical abilities.
• Experience working in Agile and fast‑paced product engineering environments.
• Strong communication and collaboration skills with cross‑functional teams.
• Ability to mentor engineers and contribute to technical leadership initiatives.
• Competitive salary and benefits package
• Culture focused on talent development with quarterly growth opportunities and company‑sponsored higher education and certifications
• Opportunity to work with cutting‑edge technologies
• Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
• Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents

Values‑Driven, People‑Centric & Inclusive Work Environment:

Persistent is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.

• We support hybrid work and flexible hours to fit diverse lifestyles.
• Our office is accessibility‑friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.
• If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment

"Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind."