Head of Professional Services - Slack

Established and led the Slack JP/KR Professional Services business from the ground up, with full responsibility for managing P&L, sales pipeline, scoping, packaging, pricing, pitching, SOW & contracting, resourcing, delivery planning, and ensuring timely execution of all engagements.

Head of Technical Architects at Slack Japan/Korea

Built, grown, and led a team of talented and passionate architects and engineers to tackle complex technical challenges, empowering customers across the JAPAC region (Japan, Korea, India, Australia, Singapore, Hong Kong) to achieve their digital transformation journeys.

Solutions Architecture Senior Leader

Hands-on experience with AWS, Azure, Google Cloud, and IBM Cloud, specializing in building reliable, high-speed, large-scale distributed microservices and seamlessly integrating with third-party services.

Backend Engineer

Extensive experience with Java EE 7/8 technologies and APIs to develop efficient, robust financial, eCommerce, and big data services from the ground up. Proficient in building AI solutions using Node.js, custom applications integrated with Slack in Python, and various insurance services in PHP.

Front-end Developer

Experienced in developing reactive UIs for AI service dashboards using React, Redux, and Recharts in cloud environments, with significant expertise in JavaScript.

API Developer

Highly experienced in developing high-load, mission-critical RESTful APIs using Node.js or Java EE (JAX-RS, Jersey, JPA, JTA, EJB, CDI, JAX-B, JSON-P), ensuring comprehensive test coverage and detailed Swagger documentation.

Source Code Reviewer

Extensive experience as a source code reviewer for services built with Java, PHP, Node.js, React, and Python, ensuring adherence to coding standards, design patterns, data structures, algorithms, time-space complexity, and fostering a mindset of knowledge sharing.

DevOps Engineer

Well-versed in Continuous Delivery, automation and monitoring using Docker, Kubernetes, Jenkins, TravisCI, Shell scripting, Splunk, New Relic, ELK.

Certified Scrum Master (CSM)

A strong advocate for Agile methodologies and promoting Scrum, with extensive experience working in multi-country, multilingual global teams.

Polyglot

Fluent in English, Japanese, Hindi, and Bengali (all at a native level), with elementary proficiency in Korean. Fully comfortable implementing business requirements and coordinating with customers and stakeholders in both Japanese and English.

Feel free to reach out for Senior Leadership roles in Professional Services, Technical Consulting, Solutions Architecture, Technical Support, or Software Engineering.

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Expertise

Cloud Solutions Architecture

Well experienced in designing & building scalable cloud architecture and creating application on cloud (IBM Cloud, AWS, GCP).

Big-data

Created large-scale distributed data-platform to store Petabyte-scale medical/healthcare data containing PIIs.

AI / Machine Learning

Experience of creating the only AI lifecycle management service in the market. Jointly filed two patents in AI / Deep Learning.

API Development

Designed and Developed high-load mission-critical secure REST APIs with Hypermedia (HATEOAS) support, using NodeJS, JAX-RS, Jersey, OAuth.

Back-end Development

Created Back-end systems for large-scale distributed financial applications and AI services in NodeJS, Java EE (EJB, CDI, JAX-RS) and PHP.

Front-end Development

Created i18n/a11y-supported reactive UI for multiple services with React/Redux, JS/TS, JQuery, HTML, CSS, SASS, Ajax, JSF, Angular, Vue.

Database Design

Designed and optimized multiple high-volume, high-QPS, relational and NoSQL database systems for financial services.

System Architecture

Created System Architecture for Large-scale Data Pipeline, AI Ops Services, Log Analysis, Big Data Platform, Audit Platform, Email Delivery System, GeoSearching, Booking & Insurance Applications.

System Migration

Led complete re-design and development of mailing framework of an insurance service. Migrated multiple on-premise services to cloud.

Tech Skills

Java 8 Active
EXPERT
  • 10+ Years (in Java)
  • 10+ Projects (4 in Java 8)
  • Lambda, Stream, Date/Time, Function, Optional, Concurrency, I/O, Thread
ReactJS Active
EXPERT
  • 3+ Years
  • 2+ Projects
  • React 16, Redux, React Router, React Native, Carbon Design, Materials UI
Java EE Past Experience
ADVANCED
  • 6+ Years
  • 7+ Projects
  • Servlet, EJB, CDI, BV, EL, JPA, JTA, JAX-RS (Jersey), JAXP, JSF, JSP, Maven, JUnit
NodeJS Active
ADVANCED
  • 4+ Years
  • 5+ Projects
  • ES6/7, Express, Next.js, Webpack, Babel, Jest, Mocha, Grunt, Gulp
PHP 5 Past Experience
ADVANCED
  • 5+ Years
  • 5+ Projects
  • Frameworks: Symfony 1/2,
    Zend, Joomla
Cloud Active
ADVANCED
  • 4+ Years
  • 10+ Projects
  • AWS, GCP,
    IBM Cloud
NoSQL Active
ADVANCED
  • 5+ Years
  • 5+ Projects
  • Cloudant, MongoDB, Firebase, DynamoDB, Redis
RDBMS Past Experience
ADVANCED
  • 5+ Years
  • 5+ Projects
  • MySQL, PostgreSQL,
    DB2, AWS Aurora
WebUI Active
EXPERT
  • 10+ Years
  • 15+ Projects
  • HTML5, CSS3, JavaScript, TypeScript, JQuery, Ajax,
    PrimeFaces, BootStrap
BigData Active
ADVANCED
  • 3+ Years
  • 2+ Projects
  • Hadoop, ELK Stack,
    Ambari, Kerberos, Ranger,
    Spark, Kafka
DevOps Active
MEDIUM
  • 5+ Years
  • 6+ Projects
  • Docker, Kubernetes, Jenkins, TravisCI, UrbanCode Deploy, Splunk, New Relic
Others Active
MED-ADV
  • 7+ Years
  • 5+ Projects
  • Python, Rust, Linux sysad, Go, Shell, jq, JMeter,
    Splunk, Salesforce, Slack

Employment

Salesforce

February, 2023 - Present

Professional Services - Slack

Head of Japan/Korea
February, 2023 - Present

Slack

June, 2021 - January, 2023

Technical Architecture

Senior Manager
June, 2021 - January, 2023

IBM Japan

May., 2016 - June, 2021

Watson OpenScale

Staff Software Engineer
June, 2018 - June, 2021

Watson Health

Staff Software Engineer
May, 2016 - June, 2018

Rakuten Inc.

Oct., 2013 - Apr., 2016

Financial Services

DevOps Engineer & Architect
Jul., 2015 - Apr., 2016

Rakuten Card

Senior Application Engineer
Mar., 2015 - June, 2015

Rakuten Insurance

Application Engineer
Oct., 2013 - Feb., 2015

Certificates & Badges

All Cloud DevOps AI Big Data Data Science Blockchain Programming Others

EDUCATION

Master of Technology

Indian Institute of Technology (IIT), Bombay

Major: Biomedical Engineering
Research/Thesis: MicroElectroMechanical Systems (MEMS)
GPA: 9.5 / 10

Bachelor of Technology

West Bengal University of Technology

Major: Biotechnology
Specialization: Information Technology
GPA: 8.7 / 10

ACHIEVEMENTS

Awards

Received Manager's Choice Award twice at IBM.
Nominated as the Most Impressive Person (MIP) at Rakuten twice within a year.

Competitions

Won the Grand Prize for Web Application Development in Elsevier CodeForScience India 2012 Competition.
Won Best Concept Award for Elsevier CodeForScience India 2012 Competition.

Examinations

Secured All India Rank of 2 in Graduate University Entrance Examination (GATE) 2011.
Secured Full Score (990) in TOEIC (2017)

Contact Details

Quick Contact

Email : pinaki@pinakidey.com

Get Connected

Address :

Edogawa-ku, Tokyo, Japan

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