Dinesh Shanmugam Chellappan

Director of Engineering

London, England, United Kingdom14 yrs 1 mo experience
Most Likely To Switch

Key Highlights

  • Led teams serving over 50 million users globally.
  • Achieved 70% reduction in mobile app build times.
  • Expert in Mobile Infrastructure and Developer Experience.
Stackforce AI infers this person is a Fintech and Tech expert with a strong focus on Mobile Infrastructure and Machine Learning.

Contact

Skills

Core Skills

Engineering ManagementSoftware DevelopmentMachine LearningMobile Infrastructure

Other Skills

AWSAWS SageMakerAgile MethodologiesAndroidArchitectural DesignBloggingCCI/CD PipelineComputer ArchitectureContinuous IntegrationDagger (Software)E-commerceEclipseElasticsearchExecutive Team

About

Engineering Leader with 14 years of experience building and scaling highly resilient consumer products that serve 50+ Million users worldwide and handle 60+ million requests per day. Strategic Engineering Manager for 6+ years, leading and mentoring global teams of 8 to 21 Engineers across 2 continents and 3 time zones. Scaled and deployed mission-critical systems, including a 1+ Billion query/day ML Image Search Engine (Alexa) and PCI-Compliant Payment Systems processing approx. $30 Million USD per month (Worldpay), Mobile apps with 50+ Million users worldwide (redBus and Gojek) Drove organizational and cultural transformation by setting Vision and roadmaps, mentoring a DevOps and high-ownership mindset, and building small, self-sufficient engineering teams. Expert in Mobile Infrastructure and Developer Experience (DevEx), optimizing productivity for 140+ Engineers by reducing build times by 70% and cutting time-to-market from 7 days to 2 days. Technical Evangelist and Domain Expert, speaking at DroidCon Berlin and DroidCon Italy on Android performance and regularly blogging on engineering topics. Polyglot Engineer who emphasizes Product Thinking, with full-spectrum technical command across the modern stack: AWS, Kubernetes, MLOps, Mobile (Android/iOS), Java, Python, and Kotlin.

Experience

14 yrs 1 mo
Total Experience
2 yrs
Average Tenure
3 yrs 1 mo
Current Experience

Worldpay

Senior Engineering Manager

May 2023Present · 3 yrs 1 mo · London, England, United Kingdom · Hybrid

  • Led two distinct product engineering teams responsible for mission-critical payment systems, collectively processing transactions valued at over £30 Million GBP weekly.
  • Helped transform traditional Software Engineering teams into nimble, high-performing units by introducing several operational mechanisms and mentoring a strong DevOps and product-first mindset.
  • Engineered and maintained high-security, PCI-Compliant software for both product lines, ensuring strict regulatory adherence and the security of financial data.
  • Oversaw the Exceptions product line, building full-stack applications (Angular, Java) and data-intensive ETL pipelines (Java/Spring) to accelerate transaction clearing and settlement.
  • Successfully defined and executed a high-impact, zero-downtime migration of the Exceptions platform to a cloud-native architecture using Kubernetes and Helm on AWS.
  • Managed the Disputes product line, developing cloud-based systems for handling global disputes, focusing on accuracy in a highly regulated financial environment.
  • Functioned as a technical leader and strategic manager for two diverse product visions, balancing the roadmaps, metrics, and priorities of two dedicated Product Managers.
Python (Programming Language)User Experience (UX)Executive TeamEngineering ManagementSoftware Development

Amazon

Software Development Manager

Feb 2022May 2023 · 1 yr 3 mos · London, England, United Kingdom

  • Directed and scaled the ML Search and Retrieval Platform powering image and multimedia experiences across Alexa Screened Devices, achieving over 1 Billion query hits per day with stringent sub-100ms latency requirements.
  • Managed and mentored a high-performing team of 9 Machine Learning and Software Engineers, focusing on coaching, career growth, and technical excellence.
  • Provided technical vision and established first-principles design for the entire platform, including ML model hosting, feature extraction (e.g., facial recognition), high-scale embedding storage, and vector-based nearest-neighbor search.
  • Delivery of the complete MLOps pipeline using AWS SageMaker for model hosting/serving and Elasticsearch for high-performance, billion-scale embedding storage and retrieval.
  • Coordinated complex engineering roadmaps and dependencies across multiple product, science, and infrastructure teams to ensure alignment and delivery of key features for Product Managers.

Sumup

Engineering Manager - Global Expansion

May 2021Oct 2021 · 5 mos · Berlin, Germany

  • Responsible for Engineering platforms and software to take SumUp to new markets around the globe.
  • Tech stack includes
  • Ruby on Rails
  • Golang
  • Android
  • and whatever comes up in the mission.
  • This role indulges me in looking at Software Development independent of any platform.
  • The goal is to make Small Merchants across the globe accept a variety of payments with ease.

Gojek tech

Engineering Manager - Mobile at Gojek Tech

Feb 2020Apr 2021 · 1 yr 2 mos · Bangalore

  • Led a 7-member Developer Experience (DevEx) Engineering team focused on optimizing the productivity and efficiency of 140+ Android and iOS Engineers across the entire Gojek app portfolio.
  • Spearheaded Mobile Infrastructure and CI/CD Pipeline development for over 20 different Gojek mobile applications, ensuring reliability and consistency for a massive, high-velocity engineering organization.
  • Achieved a critical performance improvement by reducing Android App build times by over 70%, directly resulting in faster iteration cycles and significant productivity gains for the mobile engineering teams.
  • Built and launched a proprietary system to measure, democratize, and track key metrics on developer productivity across the organization, enabling data-driven process improvements.
  • Led the conceptualization, full-cycle development, and organization-wide adoption of core mobile engineering products that directly contributed to the wellbeing and service delivery for millions of people in Southeast Asia.

Redbus

3 roles

Mobile Engineering Manager

Apr 2019Feb 2020 · 10 mos

  • Responsible for leading a team of ~20 mobile engineers and making the team self propelled by introducing relevant tools and processes
  • Strategized engineering decisiosn for redBus Android and iOs apps
  • Responsible for architecting features that can be used across geographies and products
  • Set up process and frameworks to measure developer productivity and give instant feedback to developers
  • Evaluated and Adopted cutting edge technologies like Jetpack, App Bundles very early on
  • Evangenised tech at redBus to the outside world

Android Engineering Lead

Promoted

Apr 2018Feb 2020 · 1 yr 10 mos

Senior Software Engineer

Mar 2016Apr 2018 · 2 yrs 1 mo

  • Engineer for redBus android app and for Machine learning projects

Sasken communication technologies

Senior Engineer (Android Frameworks)

May 2014Mar 2016 · 1 yr 10 mos

  • Android consultant for OEM's. Work closely with Android OEM for upgrades, porting, feature development of upcoming Android phones

Srm technologies

Programmer

Dec 2011May 2014 · 2 yrs 5 mos · Bangalore

  • Android Framework Engineering. This includes getting into the Andoid Open Source Code and modifying/adding functionality to enhance Android experience.
  • Have indepth knowledge about modifying Android Framework
  • I have worked in upcoming mobile phones.
  • Apart from that, i am also involved in
  • 1. Requirement analysis
  • 2. Design
  • 3. Developement and Testing
  • of mobile applications which include Android and WIndows Phone.

Srm techhnologies

Intern

Jul 2010Jun 2011 · 11 mos · Bangalore

  • Internship : Product Developement
  • Area : MeeGo , Android

Education

SRM Institute of Science and Technology (SRMIST)

M.Tech — Information Technology

Jan 2009Jan 2011

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