Rocky Jaiswal

Rocky Jaiswal

πŸš€ Experienced Software Engineer | Tech Lead

πŸ§‘πŸΎβ€πŸ’» Profile

Veteran senior / lead software engineer (23+ years experience) specializing in cloud based, scalable, full-stack software development. Key achievements include building & scaling a platform's processing from zero to €500M+ and then to €7B+ within a year, while handling all financial transactions in the SEPA region for a major online payment provider.

Deep technical expertise in full-stack application development in - Node.js, TypeScript, JVM (Java/Kotlin), Cloud-native architecture (AWS), Python scripting and DevOps practices.

Proven track record of delivering for major clients and environments across 9 countries (see list below) -

  • Investment Banking: Morgan Stanley New York, Morgan Stanley Tokyo, Goldman Sachs Tokyo
  • Retail Banking: Klarna Banking Berlin, Moneta Bank Prague, OP Bank Helsinki
  • Insurance: Ergo DΓΌsseldorf, AGI Frankfurt
  • E-commerce: Crealytics Berlin, MediaMarkt Online Munich, HSE24 Munich
  • Consulting: McKinsey & Company Berlin, Xebia Hilversum among others

Currently working on GenAI solutions for enterprises. Also enjoy building casual games (hobby projects) using Pixi.js / Three.js / Godot.

On the personal front, I now live with my family in the beautiful city of Berlin, Germany πŸ‡©πŸ‡ͺ. I am trying to learn German and plan to live here as long as God permits. I believe in Jesus who has blessed me all my life from a small town in India to a major city in Europe. Jesus also healed me from a difficult disease in 2020.

⚑ Skills

πŸ’» Programming Languages

πŸ”· TypeScript / 🟨 JavaScript β˜• Kotlin / Java 17+ 🐍 Python πŸ’Ž Ruby πŸ”΅ Clojure

🌐 Web Frameworks

βš›οΈ React.js β–² Next.js ⚑ TRPC πŸ”· GraphQL

πŸ”§ Backend Frameworks

🟒 ExpressJS / HapiJS πŸƒ Spring Boot πŸš€ Javalin / Micronaut πŸ“Š JPA / Hibernate 🎑 Knex.js

πŸ—„οΈ Databases & Messaging

🐘 PostgreSQL ☁️ AWS RDS πŸ“¨ Kafka πŸ“¬ SQS/SNS ⚑ DynamoDB πŸ”΄ Redis πŸƒ MongoDB

πŸ—οΈ DevOps & Cloud

☁️ AWS πŸ—οΈ Terraform ☁️ AWS CDK 🐳 Docker ☸️ Kubernetes πŸ“‘ Ansible 🐍 Python for DevOps

πŸ› οΈ Tools & CI/CD

πŸ”§ Jenkins β­• CircleCI πŸ“Š Kibana 🐢 Datadog

πŸ’Ό Experience

πŸ₯š EggAI Technologies GmbH
Lead Software Engineer
Nov 2025 (ongoing)
πŸ›οΈ Klarna
Lead Software Engineer
Jun 2019 - Jul 2025
🎯 McKinsey Digital Labs
Digital Expert
Aug 2015 - May 2019
πŸ“Š crealytics GmbH
Programmer
Nov 2013 - Aug 2015
🎯 McKinsey & Company
Programmer
Apr 2011 - Nov 2013
πŸš€ Xebia
Programmer & Scrum Master
Jul 2009 - Mar 2011
πŸ’Ό Headstrong
Programmer
Oct 2006 - Jun 2009
🏒 Tata Consultancy Services
Programmer
Oct 2002 - Oct 2006

πŸŽ“ Certifications & Courses

βš›οΈ SSR with React / Redux
πŸƒ MongoDB for DBAs
β˜• Sun certified Java programmer (old)
β˜• Sun certified Java web application developer (old)

🎀 Worth a Mention

  • Speaker at AgileNCR 2010, Gurgaon - Life without Agile
  • Speaker at Agile Tours 2010, Noida – Story Mapping in Agile
  • Speaker at IndicThreads Conference on Cloud Computing, Pune - Rails and CouchDB on the Cloud
  • Speaker at Ruby Conf India 2012 - rubyconfindia.org
  • Speaker at IndicThreads Conference on Software Development, NCR
  • Speaker at Ruby Conf India 2013 - rubyconfindia.org
  • Speaker at IndicThreads 2013
  • Speaker at JSChannel 2013
  • Speaker at JRuby Conf 2015 - jrubyconf.eu
  • Made small yet numerous open source contributions to Rails core and omniauth-twitter among others

πŸŽ“ Education

πŸ›οΈ Punjab Engineering College
Bachelor of Engineering
July 1998 - May 2002

For a detailed view of my projects / experience please visit LinkedIn πŸ”—

βš–οΈ Legal

I do not collect any data on this website. The site uses a twitter and disqus script to show my recent tweets and manage comments. I do not use these for any data collection whatsoever. All code is available on Github.