Suraj Mandal

Senior Software Engineer

India6 yrs 8 mos experience

Most Likely To Switch

Key Highlights

Designed scalable systems processing 40M+ transactions annually.
Expert in cloud-native architecture and microservices.
Proven track record of improving system performance and reliability.

Stackforce AI infers this person is a Backend and Cloud Engineer specializing in scalable SaaS solutions.

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Skills

Core Skills

MicroservicesCloud Architecture

Other Skills

AWSAWS LambdaAlgorithmsAmazon DynamodbAmazon EC2Amazon Relational Database Service (RDS)Amazon S3Amazon Simple Notification Service (SNS)Amazon Web Services (AWS)Apache KafkaAzureC++CommunicationCompetitive ProgrammingContinuous Integration and Continuous Delivery (CI/CD)

About

I’m a backend & Cloud Engineer with nearly 6 years of experience designing and building scalable, distributed systems that process over 40M+ transactions annually. My passion lies at the intersection of clean architecture, cloud-native design, and modern UI development. Currently, I’m a Software Engineer at Hornblower, where I craft end-to-end solutions — from robust backend APIs to dynamic front-end interfaces — ensuring seamless scalability and reliability. 🔗 Hackerrank: https://www.hackerrank.com/iamsurajmandal 🔗 GitHub: https://github.com/iamsurajmandal

Experience

6 yrs 8 mos

Total Experience

1 yr 8 mos

Average Tenure

2 yrs 6 mos

Current Experience

Acumant

Senior Software Engineer

Dec 2023 – Present · 2 yrs 6 mos · Remote

Software Engineer – Online Bike Service Platform
Built a distributed, event-driven bike service platform handling 100K+ monthly transactions with Golang microservices and Kubernetes on Azure.
Spearheaded the end-to-end development of a high-performance bike service platform, boosting customer engagement by 40% through real-time tracking and optimized UX.
Integrated Twilio, SendGrid, and Stripe to streamline communication and payments, reducing failed transactions by 25% and improving reliability.
Architected an event-driven microservices system using Apache Kafka, ensuring asynchronous workflows, fault tolerance, and scalable inter-service communication.
Orchestrated Dockerized services on Azure Kubernetes Service (AKS), configuring multiple nodes and pods to deliver zero-downtime deployments and auto-scalability.
Developed high-performance Golang microservices for order processing and analytics — leveraging goroutines and channels to boost throughput by 35% under peak load.
Enhanced observability with Prometheus and Grafana, enabling real-time metrics and alerts, cutting MTTR by 40% through proactive issue detection.
Implemented Datadog APM for distributed tracing and system-wide performance insights, improving overall service reliability and reducing downtime.
Launched a subscription-based model, driving recurring revenue growth and cutting infrastructure costs by 30% via optimized Azure resource utilization.
Tech Stack: React.js, NestJS, Express.js, Golang, Docker, Kubernetes (AKS), Kafka, Prometheus, Grafana, Datadog, Azure, PostgreSQL, Twilio, SendGrid, Stripe

Go (Programming Language)GinReact.jsMicrosoft AzurePostgreSQLExpress.js+13

Hornblower group

Software Engineer

Feb 2023 – Nov 2023 · 9 mos · On-site

Software Engineer — Hornblower Group
Built a scalable cruise and event management platform powering thousands of real-time bookings with modern microservices and cloud-native architecture.
Owned end-to-end feature delivery across core modules — Dashboard, Reports, Orders, Tour Scheduling, and a Custom Event Builder — creating a unified, scalable platform for multiple business units.
Re-engineered the event scheduling system using asynchronous jobs and caching, improving real-time updates and reducing load times by 45%.
Developed a dynamic fare-calculation engine integrated with Google Tag Manager (GTM) and GTags for data-driven pricing and marketing analytics.
Built a self-service Kiosk and live booking-availability system using WebSockets, improving on-site transaction throughput by 30% and enhancing user experience.
Impact: Improved platform scalability, system performance, and customer engagement — supporting thousands of concurrent cruise bookings daily.

Ticketmaster

Software Engineer - III

Jun 2021 – Feb 2023 · 1 yr 8 mos

Software Engineer — Moshtix (Australia Office)
Built scalable, fault-tolerant microservices and high-traffic booking systems powering millions of event ticket transactions across Australia.
Developed TypeScript-based microservices and web applications, ensuring modular design, clean separation of concerns, and long-term maintainability.
Designed a high-throughput booking queue system capable of handling peak traffic without downtime, ensuring consistent latency and a seamless purchase experience.
Integrated multiple external APIs and built dynamic, data-driven user interfaces, improving page load performance and supporting rapid feature expansion.
Engineered a third-party integration framework, enabling seamless onboarding of partner services and created a shared helper library, accelerating cross-team development velocity by ~25%.
Implemented comprehensive testing pipelines using Jest and TypeScript, achieving 90%+ coverage and drastically reducing regression issues in CI.
Automated CI/CD pipelines via TeamCity, cutting release time by 60% and ensuring fast, reliable deployments with rollback safety.
Led Agile ceremonies in Jira, driving sprint planning, issue tracking, and bug triage for full feature traceability and team alignment.
Developed and launched a refund-protection system, directly contributing to multi-million-dollar revenue recovery and improving customer trust.
Impact: Delivered resilient microservices architecture and high-volume booking reliability, scaling seamlessly during major live-event launches.

Diatoz: digital a to z solutions

SOFTWARE DEVELOPER ENGINEER

Sep 2019 – Jun 2021 · 1 yr 9 mos · Bengaluru Area, India · On-site

Software Developer — EzeNotes & E2EHiring Platforms
Built scalable, cloud-native web and microservice architectures powering thousands of active users and real-time operations.
Led end-to-end development of modular web and microservice architectures, ensuring high maintainability, scalability, and clean separation of concerns across both platforms.
Designed and implemented RESTful APIs integrating Stripe payments, OAuth 2.0 authentication, and Google Dialogflow, enabling secure transactions and conversational user experiences.
Developed real-time notification systems using Socket.io, and an Elasticsearch-based search service handling 10K+ queries per second with millisecond-level response times.
Engineered AWS infrastructure, including EC2 instance management, S3-based secure file storage, and CloudWatch monitoring, ensuring high availability and cost-efficient scaling.
Collaborated cross-functionally with product and design teams to deliver performant, user-centric solutions that improved engagement and operational visibility.
Impact: Delivered robust cloud-native solutions with real-time performance, enabling seamless user experiences and reliable platform scalability.