Principal Software Engineer

SendGrid; India; On-site; INR 4,200,000 - 9,000,000; Full time

Job summary

Twilio is hiring a Principal Software Engineer to lead planning, design, development, and testing of large-scale cloud services. You will set technical direction, drive delivery with modern engineering practices, and ensure secure, production-ready software.

Partner with product and engineering to translate requirements into reliable, scalable systems. You will mentor engineers, drive architecture across multiple teams, and address security, compliance, and performance goals while shaping

Qualifications

• 12+ years of experience designing and developing highly available, high-scale native cloud SaaS apps.
• Expertise in distributed systems, microservices, and REST APIs.
• Experience with public clouds and multi-region deployments.
• Strong skills in architectural design, coding standards, and automation.
• Proven ability to mentor engineers and drive delivery across teams.

Responsibilities

• Lead architecture and design for large-scale distributed software systems.
• Drive delivery using modern engineering practices and CI/CD pipelines.
• Translate requirements into technical roadmaps and align stakeholders.
• Improve system resiliency, latency, and cost efficiency with defined SLOs/SLAs.
• Collaborate with product leaders and engineering managers across teams.

Skills

Java

Go

Python

REST APIs

Distributed systems

Microservices

AWS/GCP

Docker

Kubernetes

CI/CD

SLOs/SLAs

Security/compliance

Architecture design

Code reviews

Mentoring

Tools

Kafka

Flink

Spark

Clickhouse

Snowflake

Job description

Who we are

At Twilio, we’re shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences.

Our dedication to remote-first work, and strong culture of connection and global inclusion means that no matter your location, you’re part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we’re acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands.

We use Artificial Intelligence (AI) to help make our hiring process efficient. That said, every hiring decision is made by real Twilions!

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See yourself at Twilio

Join the team as Twilio’s next Principal Software Engineer.

About the job

This position is needed to lead the planning, design, development, and testing of large-scale software systems and new product capabilities, including cloud and internet-facing services. You’ll set technical direction, drive delivery using modern engineering practices, and ensure what we ship is secure, compliant, and production-ready. You’ll partner closely with product and engineering teams to turn requirements into reliable, high-quality software.

Responsibilities

In this role, you’ll:

• Lead architecture and system design for complex, distributed software systems; guide teams toward scalable, maintainable solutions.
• Design, implement, and review high-quality code for core services, APIs, platforms, and/or user-facing applications.
• Translate business goals into technical roadmaps, identify tradeoffs, and align stakeholders on solution direction.
• Improve system resiliency, latency, throughput, and cost efficiency; establish SLOs/SLAs and operational practices.
• Drive standards for coding, testing, CI/CD, observability, security, and documentation; champion automation and quality.
• Partner with engineering managers, staff engineers, and product leaders to coordinate delivery across multiple teams.
• Coach and mentor engineers at all levels; lead design reviews, incident postmortems, and technical deep dives.
• Identify technical risks early (security, scalability, compliance) and drive mitigation plans.

Qualifications

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

*Required:

• 12+ years of experience designing and developing highly-available, high-scale, secure, mission critical native cloud enterprise SaaS applications in Java, Go or Python.
• Knowledge of architectural patterns and archetypes for building mature services, especially for distributed and multi-regional deployments.
• Excellent abilities in high level service design - modeling interfaces and internals in a proper modular, composable, and extensible way.
• Experience with AWS, GCP or other public cloud infrastructure platforms. Multi-region deployment is a plus.
• Experience building distributed systems at scale based on microservices architecture.
• Extensive experience with REST API design and implementation.
• Experience working with data architecture such as Clickhouse, Lakehouse, Snowflake
• Experience with SQL/NoSQL databases and caches.
• Familiarity with streaming systems such as Kafka, Flink, Spark
• Experience with container technologies - Docker/Kubernetes.
• Experience implementing modern automated testing and CI/CD pipelines. Develop, Test, Deploy your code.
• Strong expertise in solving complex production issues

Location

This role will be remote, and based in India .

Travel

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

Twilio thinks big. Do you?

We like to solve problems, take initiative, pitch in when needed, and are always up for trying new things. That's why we seek out colleagues who embody our values — something we call Twilio Magic. Additionally, we empower employees to build positive change in their communities by supporting their volunteering and donation efforts.

So, if you're ready to unleash your full potential, do your best work, and be the best version of yourself, apply now! If this role isn't what you're looking for, please consider other open positions.

Twilio is proud to be an equal opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Additionally, Twilio participates in the E-Verify program in certain locations, as required by law.