Australia

Abhishek Tiwari

Senior Software Development Manager

Google Scholar

- Head of Engineering (L7) for CloudAuth (CA) Service and TransitiveAuth (TA) - foundational global-scale services inside Amazon SDO securing XXX Trillion requests per month.
- Leading a team of SDMs, Software Engineers, Senior Software Engineers, Principal Engineer, and TPMs to define product roadmap and execute against it.
- As Ring-0 and tier-0 service, CA secures all service-to-service calls across XXk Amazon SDO services whereas TA ensures that all calls have right security and privacy contexts.
- STO for SDKs & libraries used by Amazon SDO developers (xxk+) to initiate, propagate, validated TA context for fine-grained access control decisions.
- Leading fine-grained access control (FGAC) initiatives with focus on zero-trust, compliance, and privacy controls such as Digital Marketplace Act (DMA).
- To support Amazon’s compliance to Digital Markets Act (DMA), led development of new TA products. In less than 12 months grew it from 0 to 4.5k services.
- Scaled CA Transactions per second (TPS) by 10X (Prime Day 2023 vs. Prime Day 2024). Currently high-traffic CA regions can handle up to X million in regional TPS.
- Reduced $XX Million in AWS IMR cost by introducing various improvements. This was reported as win in SVP level efficiency business report.
- Delivered TA support for other customer privacy and data handling initiatives such as Quebec's Law 25, UK and EU GDPR for Amazon Ads, etc.

- Brought on board to create a new ANZ Engineering Site for HelloFresh. ANZ Engineering Site is part of a distributed HelloTech network (1000+)
- As site lead first reported to Pater Caron (SVP Engineering for Supply Chain Management) and later to Valeri Liborski (then CTO HelloFresh now CTO Yahoo).
- In less than 18 months, a new engineering site (45+) was built. Acted as a site lead and helped establish engineering and product functions.
- In a short span setup multiple high-impact autonomous engineering squads with their own mission statements, OKRs, and north-star metrics.
- Led inception, validation, and build of new SCM domains and services - Cartonization, Allocation, Bills-of-material (BOM), Order orchestration, etc. 
- Took ownership of several legacy services and transformed them. Within 6 months, improved service health scores from 2.8 to 9.5 (scale of 10).
- Delivered a new subscription recovery workflow utilizing Twilio communication APIs to manage the involuntary churn due to failed payments.
- Took ownership of a complex multi-tiered multi-horizon subscription forecasting service which was hemorrhaging talent and stabilized it.
- ANZ site consistently scored the highest engagement (~82%) across the whole HelloTech and had relatively good female representation (~25%).
- Created a strong culture of mentoring and coaching resulting in more than 10 promotions at various levels (100% success rate with promotions).
- Led several developer experience initiatives, such as migration from ECS to EKS, the adaptation of mob programming practices, etc.
- As we grew, I reorganized my team into two domains and hired two directors to lead those domains. Finally when I left my team was in good hands.

- Developed identity and access management (IAM) product Axioms (pre‑seed valuation $2M) focused on SaaS and marketplace companies.
- Consulting banks and SaaS companies with a focus on IAM, consent-based data sharing, open banking, KYC, and multi‑tenant architecture.
- Advised a few infrastructure companies on metered billing using custom build metering layer working with Zuora/Salesforce CPQ.

- With the abrupt departure of Isentia's CIO, I stepped up to lead the whole technology function 100+ people) in addition to my existing remit.
- As Acting head of technology, I initially reported to the Executive Chairman of Isentia Doug Snedden, and later to our new CEO Ed Harrison.
- Delivered two disruptive products on an aggressive timeline - Analytics engine and dashboard (Sep 2018) and Live Broadcast Alerts (Dec 2018).
- Initiated a cloud optimization program and delivered 500k AUD worth of saving while improving the reliability and performance of services.
- Fast-tracked projects to improve our cybersecurity posture and business continuity plans including network firewalls, multi-site backups & DR.
- During this period I massively stepped up our new product development efforts by adding more than 20 engineers to our team.
- From two streams of work, we scaled up to six parallel streams delivering new products and features at an unprecedented pace.
- In H1 FY19 our release throughput increased to 3X by scaling team by 2X - results were extensively covered in our H1 FY19 results. 
- My effort to scale the pace of technology delivery, leadership, and overall impact was positively noted by the Isentia board of directors.

- Reporting to the CTO/CIO. Leading a multi-site engineering team of 65+ with 7 engineering squads (R&D budget of $5-6M/year).
- Doubled the size of the engineering tribe and built new engineering capabilities including DevExp, data, web crawling, search, NLP, AI, and ML.
- Tripled the pace of product delivery - for new product roll-outs down from 10 months to 3 months - with frequent daily releases at scale.
- Introduced a new engineering-focused organizational structure with clear career progression pathways and development frameworks.
- Inducted engineering best practices and lean processes (e.g. frequent daily release, reduced E2E feedback time, and feature toggles at scale).
- Transformed technology landscape - within 3 years from a pure Microsoft monolith stack to a polyglot multi-cloud microservices ecosystem.
- Led transition of data infrastructure from batch to streaming. Evolved streaming architecture: Apache Storm → AWS Lambda → Apache Flink.
- Responsible for the overall architecture, technical direction, and software engineering of all Isentia SaaS products (revenue $100M/year) and internal data platforms.
- Multi-million dollars in savings by robust auditable R&D tax incentive and automation of internal processes using a combination of AI/ML/RPA.
- Infused NLP/ML capability in the wider engineering team while delivering two industry-first AI and machine learning products to the market.
- Built in-house search and relevance capability (previously outsourced). Our search cluster hosted XXTB of data per year going back 3 years.
- Rebuilt relevance models - transitioned from fat queries to relevance funnels powered by NLP achieving a sweet spot between precision & recall.
- Rearchitected the usage-based digital subscription billing utilizing a custom metering layer and Steelbrick with copyright tracking, usage, and reporting.

- Led a team of data engineers, product engineers, and technical web analysts (12+) for Datalicious Equifax. Also a key member of the Datalicious executive and leadership team.
- Developed an overarching data engineering strategy and platform architecture for media attribution, single-customer view, and web analytics offerings.
- Led deployment of our Media Measurement & Attribution products for brands like Telstra, News Corp, IAG, and Bupa with massive ad spend.
- Architected a cloud-based stream processing data pipeline using a mix of open-source and cloud technologies such as Amazon Redshift, Amazon Kinesis, and Google BigQuery.
- Led delivery of various Google Analytics Premium, Salesforce Marketing Cloud, CRM, and Data Warehousing projects with offline-online integration as a major theme.
-  Working closely with the sales team on new sales opportunities, pitching technical solutions, and designing solutions for multi-vendor RFPs.
- Incubated Salesforce Marketing Cloud practice and successfully onboarding SBS as part of their Connected Audience programs within 30 days.

- Solutions Architect (eCommerce/Digital/Hybris) leading internal technical team. Also managed digital analytics and performance for all e-commerce channels.
- Evangelise the digital and e-commerce customer experience strategy for the next 3 years with a target to make e-commerce 5-10% of the business. Mapped the current digital landscape, identified the key digital battlegrounds and devised the key growth initiatives in each battleground.
- Led launch of a newly redesigned and developed Best & Less website in less than two months.
- Managed migration of Best & Less EDM platform from ExactTarget to Responsys including
integration of Responsys WRS for email remarketing.
- Initiated phased migration to AWS cloud, initially only media storage and delivery using
AWS S3 and CloudFront.

* Lead Solutions Architect on Toyota’s digital platform rebuild. Migrated Toyota Australia digital platform to JAMStack in early 2015 by adopting Jekyll as a digital press and introducing vehicle data service as API for assembly on glass. 
* Led architecture and implementation of Toyota’s Owner Portal for their Connected Mobility initiative. Backed by Salesforce, Owners portal supported digital subscription management and other dashboard services for Toyota vehicles.
* Improved developer productivity and experience, and reduced project build cost and lead time by adopting new Git based tooling and workflow for Alfresco DMS (including GitLFS). Improvements resulted in major saving for Toyota.
* Architected and delivered Media and Image Service Platform (MISP) to provide responsive and adoptive media delivery in a compliant manner while preserving aspect ratio, intent, text and focus.

Led e-commerce web development and digital technical team (remote and onsite) at Cotton On Group. 

Key Achievements:
1. Played a pivotal role in successfully launching and scaling 4 separate e-commerce websites for Cotton On Group in less than 10 months. eCommerce platform in Cotton On Group now generates more than $90m in online sales.  
- Cotton On Asia (July 2012)
- Cotton On ANZ (August 2012)
- Cotton On US (November 2012)
- Factorie (December 2012) 

2. Architected & developed 
- bespoke e-commerce platform for Cotton On Group. 
- agile and scalable multi-tier hosting environment (AWS) 

3. Established and implemented best practices in 
- devops & web-scale engineering
- web development
- agile development and continuous release cycle (major releases every 3 weeks)

4. Developed an internal digital/e-commerce technology team

Key responsibilities:
- technical operation, technical vendor management, technical budgeting etc
- evangelizing and developing the platform roadmap/technical strategy
- developing and mentoring a team of highly talented developers
- continuous learning, sharing, innovation and delivering value to the business
- managing 24/7 technical support for all 4 Cotton On websites 

Key Contributions:
Initiated the re-platforming initiative. Led initial technical due diligence and solution architecture to compare 2 leading ecommerce products: Hybris and Demandware.

Abhishek Tiwari🇦🇺