Sayan Sinha Ray

CTO

Bengaluru, Karnataka, India12 yrs 3 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Expert in architecting complex payment systems.
Proven leadership in engineering management.
Strong background in cloud-native solutions.

Stackforce AI infers this person is a Fintech architect with expertise in cloud-native payment systems.

Contact

sayanr@zeta.tech +82941591018 LinkedIn

Skills

Core Skills

Enterprise ArchitectureCloud-native ArchitectureEngineering LeadershipEngineering ManagementPaymentsCloud Services

Other Skills

AJAXCC++Database as a ServiceDjangoGitHTMLInfrastructureJavaJava Enterprise EditionJavaScriptLinuxMobile SecurityMySQLOOP

About

A curios tinkerer of software. My goal is someday to be able to visualise, understand the complete and detailed journey of a packet from NIC to App. I also want to run my own postfix but laziness is too real :)

Experience

Zeta

3 roles

Enterprise Architect

Promoted

Aug 2025 – Present · 7 mos

I am currently rearchitecting and modernising the health care payment stack in US with the largest healthcare company in US.

Enterprise ArchitectureCloud-Native Architecture

Senior Principal Engineer

Promoted

Jun 2023 – Aug 2025 · 2 yrs 2 mos

Architected and delivered multiple closed loop payment and settlement systems across US, EMEA, LATAM for fast, innovative payment and settlement experience across multiple personas (payer, payee, financial institutions and licensed intermediaries)
Collaborated in the design, development, and implementation of modern, cloud native core banking and account processing systems, powering a wide range of asset and liability products, including credit cards, lines of credit, and DDA accounts.

Engineering LeadershipEngineering ManagementJavaREST

Principal Engineer

Jun 2021 – Jun 2023 · 2 yrs

All about payments across the globe. Building a reliable B2B SAAS platform across multiple geographies where the 'B' is a 'Big Bank' is the crux of the problem.

JavaCloud-Native Architecture

Instamojo

2 roles

Senior Staff Engineer

Promoted

Apr 2021 – Jun 2021 · 2 mos

My goal is to design, develop and deploy systems that solve money movement at scale. I prefer taking a more holistic view and design a "platformised" solution that allows a business to be extensible in terms of product design, regulation and new initiatives.

Engineering ManagementSystem Design

Staff Engineer

Jan 2018 – Apr 2021 · 3 yrs 3 mos

Have worked across platform, infrastructure and payments.
Learning:
The nuts and bolts of payments, lending, banking and a reliable engineering/data driven approach to build a better ecosystem around it.

PaymentsInfrastructure

Jio

Software Engineer (Database as a Service)

Aug 2016 – Jan 2018 · 1 yr 5 mos · Bengaluru Area, India

Engineer at Reliance Jio Cloud Services - India's first Public Cloud offering.
Building the infrastructure for Database as a Service. The first offering was 'Relational Database as a Service', most popularly referred to as RDS in the AWS world.

Database as a ServiceCloud Services