Amazon

Principal Software Engineer, eCF Tax Services

Posted On

Aug. 13, 2025

Location

Hyderabad, Telangana

Experience Level

Freshers/Experienced

Job Type

Software Development

Apply By

Dec. 16, 2025

Job Description

We can also hire for this role in Bangalore.

Would you like to work on one of the world's largest transactional distributed systems? How about working with customers and peers from the entire range of Amazon's business on cool new features? Whether you're passionate about building highly scalable and reliable systems or a software developer who likes to solve business problems, Tax eCommerce Services (eCS) is the place for you. As a Principal Engineer in the eCS Tax Engine, you will have the opportunity to build the foundational frameworks that will drive Amazon eCommerce business. You will be at the forefront of developing the next generation document generation system for Amazon and will be truly leading the way to disrupt the way we do testing across our eCommerce ecosystems.
eCS Tax engine is responsible for generating accurately, timely and Tax complaint Invoicing document for millions of transactions that are conducted on Amazon across all marketplaces. We provide the core services that generate an accurate Invoice that adheres to the compliance laws of the local marketplaces and filed to the respective Govt authorities. We thrive on providing the accurate and timely invoice to the customer, and make sure audit records are stored safely to meet tax law requirements around the globe. Our challenges include scaling to the growing demand of Amazon businesses, anticipating and adapting to the hanging compliance rules and timely generation of compliant documents.
We are looking for a Principal Software Development Engineer who will be a leader, builder and operator to drive the evolution of Invoicing systems. You will design, architect and build innovative technology solutions that will reduce time to market, standardize execution and scale for expansion world-wide. You will work on all aspects of the software development, however, focus on the hardest problems around modelling, scalability, experience, self-service on-boarding + operation tools, and more. You will help establish technical standards and drive the overall technical architecture and engineering practices. You will think globally when designing and building the software, ensuring the software is evolving in the right long-term direction while bringing value to customers iteratively.

Key job responsibilities
1. Serve as a technical lead on our most demanding, cross-functional projects.
2. Ensure the quality of architecture and design of systems.
3. Functionally decompose complex problems into simple, straight-forward solutions.
4. Fully and completely understand system interdependencies and limitations.
5. Possess expert knowledge in performance, scalability, enterprise system architecture, and engineering best practices.
6. Leverage knowledge of internal and industry prior art in design decisions.
7. Effectively research and benchmark Amazon technology against other competing systems in the industry.
8. Contribute intellectual property through patents.
9. Assist in the career development of others, actively mentoring individuals and the community on advanced technical issues and helping managers guide the career growth of their team members.
10. Exert technical influence over multiple teams, increasing their productivity and effectiveness by sharing your deep knowledge and experience.
1. Bachelor's degree and/or Master's degree in Computer Science or equivalent.
2. 12+years of broad software engineering experience, including Java and/or C++.
3. Proven track record of leading the delivery of large-scale, high-quality systems.
4. Deep hands-on technical expertise in at least one major technical area: large scale systems engineering, building complex distributed systems, building monitoring or management tools for large-scale environments.
5. Experience managing complex projects, with significant bottom-line impact.
6. Experience leading development life cycle process and best practices.
7. Experience mentoring/training an engineering community on complex technical issues.

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