You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Arup SarkarAS

Arup Sarkar

Software Architect

€800/day
Berlin, DE
15+ years

Average response time: 1 hour

About Arup

Freelance Software Architect / Senior Java Engineer (Spring Boot, Microservices, AWS/K8s, Kafka)
I help companies modernize and scale backend platforms—from monolith to microservices, API-first and event-driven architectures—delivering measurable outcomes like revenue enablement, reliability improvements, and engineering productivity gains. I’ve led multi-geo teams and built cloud-native platforms across Supply Chain, E-commerce, FinTech, and Regulatory Reporting.
  • English

    Native or bilingual

Can work on-site
Berlin (up to 50km), Munich (up to 50km)

Experience

  • DP World
    Group Director
    E-COMMERCE
    December 2022 - May 2025 (2 years and 5 months)
    Bengaluru, Karnataka, India
    • ● Architected Supply Chain Suite (ERP) services including Inventory, Orders, WMS, Catalogues, Pricing, Deals/Discounts, and onboarding workflows.
    • ● Designed the Trade Order Portal for our Market Access and DPWorld Fulfillment services.
    • ● Improved platform performance and scalability through better service decomposition, DevOps maturity, and production-grade observability. Infra cost for ECommerse reduced by 40%
    • ● Contributed to scaling global platforms enabling $20M+ annual revenue impact through platform evolution and efficiency improvements.
    ERP Integration with External Systems Cloud Platforms and Infrastructure Containerization and Virtualization software architect
  • COMPASS
    Engineering Leader
    REAL ESTATE
    April 2020 - October 2022 (2 years and 6 months)
    Bengaluru, India
    • ● Built SIRIUS, an API aggregation + DSL platform that improved engineering delivery speed and reduced development effort by ~30%.
    • ● Delivered backend systems powering knowledge graph and AI-enabled experiences (REKG, VEGA), integrating NLP-driven workflows into product capabilities.
    • ● Shipped self-service workflows that reduced support volume by ~25% through automation and customer enablement.
    • ● Worked closely with PM/design/QA/DevOps to deliver robust backend services with strong operational readiness.
    Backend Service Development Microservices Architecture software architect Mobile development Kotlin
  • Reliance Jio
    Tech Lead (Platform + Incubation)
    BANKING AND INSURANCE
    January 2019 - April 2020 (1 year and 3 months)
    Bengaluru, Karnataka, India
    Led architecture and engineering delivery for Jio Payment Gateway, including UPI, merchant onboarding, and routing optimization. A highly scalable system which handles ~70TPS average load and 900TPS at peak
    Replaced legacy payment framework (WebPay) with Jio PG, improving scalability, reliability, and transaction throughput.
    Built data pipelines and improved merchant portal reporting to support financial and operational insights.
    IT Architecture Java Python

Recommendations

Be the first to recommend Arup

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • B.E. (Information Technology)
    Jadavpur University
    2007
    B.E. (Information Technology)

Skill set

Categories