Satrajit Basu

Full-Stack Technology Leader | Data-Driven Innovator | Cloud & AI Architect

satrajit123basu@gmail.com | +49 176 79881843 | https://vutuv.de/satrajit_basu

10249 Berlin, Germany

Date of birth: 12/05

Professional Experience

Engineering Manager, Klarna Bank AB Germany

12/2022 - Present

Directly lead 4 Engineering Managers managing 38 engineers + 8 CRM specialists across Klarna.com group. Own ~€1.1M+ budget (Contentful + Silka law). Drive roadmap planning with Product Managers, cross-functional stakeholder alignment (marketing, product, compliance, legal), and vendor relationships.
Key Leadership Achievements:
● Vendor management & negotiation: As Klarna’s Contentful contract owner, arranged and facilitated a meeting between Contentful’s CEO & EMEA leaderships and Klarna’s Senior Directors – secured a 10% discount on next year’s renewal. Also managed Silka law (€600k budget) – biweekly reviews of brand threats (e.g., fraudulent domains like www.klarna-money.pl), made final acquisition decisions to protect Klarna’s web presence.
● Process turnaround for Klarna.com: Inherited a “constantly on fire”, high-demand, chaotic environment. Took a survey, methodically listed major concerns, and implemented process corrections using DORA metrics (deployment frequency, lead time, MTTR, change failure rate). Set proper expectations by projecting team capacity. Solved all Critical, High, and Medium concerns – happiness index increased significantly.
● Compliant Copilot – AI-Powered Investigation Workstation: Led architecture and delivery of hybrid AI system automating complaint handling across 7 markets. Reduced investigation time from 15–30 minutes to <5 minutes.
● Klarna.com Rebuild – BFF Architecture: Modernised to microservices-based
Backend-for-Frontend – reduced costs by €30K/month, eliminated 300+ security vulnerabilities, accelerated deployment from weeks to hours.
Key Projects & Achievements:

• Complaint Copilot – AI‑Powered Investigation Workstation: Led the architecture and end‑to‑end delivery of a hybrid AI workstation that automates complaint handling across 7 markets. Designed a 6‑step streaming pipeline combining deterministic rules (200+ keywords, 30+ market routines, regulatory logic) with LLM reasoning (GPT‑4o, RAG, streaming narratives). Reduced average investigation time from 15–30 minutes to <5 minutes, achieved 100% audit coverage of AI decisions, and built a 3‑layer evaluation framework to ensure quality and compliance. POC completed in 1 month with 75% of planned features delivered; the roadmap includes production integration with Klarna’s IKG and AI Gateway.

• AI Agent Authorization & Authentication: Architected and led development of
authorization and authentication bots for AI agents and human users using Golang, Rego policies, Redis, and Kafka. Secured access to Klarna’s Intelligent Knowledge Graph (IKG), enabling safe, scalable AI‑driven customer interactions across the organization.

• Klarna.com Rebuild – BFF Architecture: Spearheaded modernization of Klarna’s web platform to a microservices‑based Backend‑for‑Frontend (BFF) architecture with Contentful, Bynder, and Locker. Reduced operational costs by €30K/month, eliminated 300+ security vulnerabilities, and accelerated deployment velocity from weeks to hours.

• Klarna Central Data Platform: Engineered a unified data platform using mParticle
and custom microservices to expose real‑time customer data across Klarna’s
ecosystem, including Braze. Enabled personalized, data‑driven marketing campaigns at scale.

• Leadership & Team Management: Directly lead four Engineering Managers and
their teams, driving technical excellence, career development, and cross‑functional alignment with marketing, product, and compliance leaders to deliver high‑impact business outcomes.

Sr. Engineering Manager, Delivery Hero

4/2022 - 10/2022

Led delivery processing teams responsible for scheduling, state machines, and
splitting services across DeliveryHero’s logistics platform. Managed two Engineering
Managers and two teams (3 + 7) of Junior and Senior Developers to optimize system
performance and scalability.
● Optimized Delivery Processing: Transformed delivery scheduling and
workflow automation, resulting in faster order processing and improved
logistics efficiency.
● System Resilience & Scalability: Strengthened platform reliability through
process enhancements and automation, ensuring seamless handling of peak
loads.
● Cross-Functional Leadership: Aligned engineering efforts with product and
operations teams to deliver business-critical improvements.

Technical Lead, Pantheon India

12/2020 - 3/2022

First engineering lead hired to build and scale Pantheon’s Bangalore engineering
team in partnership with the India Head. Drove the design and development of
Pantheon’s file management system.
● File System Rebuild at Massive Scale: Architected and led the complete
rebuild of Pantheon’s file management platform using Golang, GCS (Google
Cloud Storage), Fuse, and Cassandra. The system handles 5.5 billion objects
in GCS, ensuring high durability, low latency, and extreme scalability.
● Team Building & Growth: Hired and mentored the initial Bangalore engineering team, establishing engineering best practices, code reviews, and a strong collaborative culture.
● Operational Excellence: Played a key role in registering Pantheon’s Indian
entity, enabling seamless integration with global operations

Senior Engineer, Zenefits India

3/2016 - 3/2020

Led 4 engineering pods (4–6 engineers each) delivering HR, Payroll, Benefits, Time & Attendance SaaS. Served as technical lead for major subsystems.
● Engineering Mastery Framework (signature leadership initiative): Created
from scratch to eliminate chaos in promotion cycles and standardise
expectations for managers and employees. Led the entire initiative –
designed, rolled out, and formed a committee to maintain it. Post-launch
survey showed 85% satisfaction.
● Team building: Helped scale Bangalore engineering team with recruiters and
leadership.
● Platform development: Architected scalable backend services
(Python/Django, Celery, Redis, MySQL, GraphQL) and contributed to React
frontends.
● Awarded Zenefits Core Value Award (2019) for exceptional impact.

Vice President, Goldman Sachs

8/2011 - 3/2016

Advanced from Senior Analyst Developer to Vice President in Compliance
Technology, recognised for pioneering transformative solutions and driving strategic innovation.
● Regulatory Compliance Systems: Engineered mission-critical systems
including Compliance Ops Monitoring, Data Fix System for Compliance
Algorithms, and a Compliance Algo Dashboard, ensuring seamless regulatory
adherence and operational efficiency.
● Business Continuity: Spearheaded the development of the “Ready For
Business” (RFB) system, fortifying business resilience across trading floors.
● Automated Reporting: Designed a compliance reporting automation
framework to streamline regulatory filings and enhance accuracy.
● Trading Optimization: Developed advanced stock exchange simulators to
refine trade execution strategies and boost trading system performance.
● DevOps & Automation: Architected next-generation DevOps solutions to
enhance system reliability, accelerate deployments, and optimize real-time
monitoring.

Team Lead, Persistent Systems

10/2006 - 7/2011

Led automation initiatives for clients including Sprint and Informatica, developing frameworks and tools that significantly improved testing and deployment efficiency.
● Scalable Test Automation: Designed and customized a Selenium automation
framework that was widely adopted across multiple projects, enhancing test
speed and accuracy.
● Automated Installer Testing: Engineered a high-performance Automated
Installer Testing System for LMEE/LMCE in MSC, reducing manual
intervention and ensuring system stability.
● Process Optimization: Spearheaded automation at Informatica and Sprint,
revolutionizing software deployment and testing processes.

Freelance / Self-employed

Co founder, Datasocle Technologies

4/2020 - 12/2020

Conceptualized and built a next-generation AI-driven SaaS data exchange platform from scratch, taking it from idea to production.
● Product Innovation: Designed and deployed scalable pipelines for automated
data extraction, transformation, and structuring from unstructured web and
PDF sources using Python, Django, Celery, React, and AWS (Textract, Lambda,
S3).
● End-to-End Ownership: Led all aspects of product development—architecture, coding, DevOps, and cloud infrastructure—delivering a high-performance, cost-effective solution that reduced manual data processing effort.
● Market Readiness: Ensured platform scalability, security, and reliability, laying
the foundation for future growth.

Education

Master of Computer Applications, Computer Science and Applications, West Bengal University of Technology

6/2002 - 6/2005

In 2002, the Master of Computer Applications (MCA) under the West Bengal University of Technology (WBUT, now MAKAUT) was structured as a 3-year (6-semester) full-time postgraduate degree. Admission required graduation with mathematics, typically channeled via the WB-JECA entrance examination.

Tags

Ruby on Rails | Agentic AI | AI | architecture | django | Engineering Leadership | FastAPI | go | Gorilla | Langchain & Langgraph | LLM | nodejs | Python | RAG | react

Languages

English (C1 (Advanced)) | German (A1 (Beginner))

Profiles

LinkedIn: https://www.linkedin.com/in/satrajitbasuin