Rahul Jain

Senior Software Engineer

Noida, Uttar Pradesh, India6 yrs 10 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Architected scalable fintech solutions using microservices.
Designed high-performance workflow engines with Kogito.
Implemented secure API frameworks ensuring data protection.

Stackforce AI infers this person is a Fintech Backend Engineer specializing in microservices and event-driven architectures.

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Skills

Core Skills

MicroservicesEvent-driven ArchitectureWorkflow OrchestrationData Management

Other Skills

Spring Boot 3.2Java 17Apache KafkaRedis ClusterKogitoQuarkusSpring BootMongoDBAWS KMSSpring CloudCircuit Breaker PatternsREST APIsDistributed SystemsBPMN (Business Process Model and Notation)Kubernetes

About

Experienced Java Software Engineer with 6 years of expertise in building scalable microservices, event-driven architectures, and fintech solutions. Specialized in designing multi-tenant data platforms, secure API frameworks, and orchestrating complex workflows. Core Competencies: Backend: Java 17, Spring Boot 3.x, Quarkus, Spring Cloud, REST APIs. Architecture: Microservices, Event-Driven (Kafka), CQRS, Distributed Systems. Data: MongoDB (Multi-Tenancy), Redis Cluster, SQL. Cloud & DevOps: AWS (S3, KMS, ElastiCache), Docker, Kubernetes. Workflow: Kogito BPMN 2.0, Process Orchestration.

Experience

6 yrs 10 mos

Total Experience

3 yrs 5 mos

Average Tenure

4 yrs 5 mos

Current Experience

Paytm

2 roles

Senior Software Engineer

Promoted

Jul 2024 – Present · 1 yr 10 mos · Noida, Uttar Pradesh, India · On-site

Lending Onboarding Platform Architecture * Architected a central orchestration layer using Spring Boot 3.2 and Java 17, serving Personal and Merchant Loan lines. * Designed a scalable event-driven architecture using Apache Kafka, processing 10,000+ daily events for lead management. * Implemented distributed caching with Redis Cluster (LZ4 compression), reducing database queries by 40% and improving API response times by 60%.
Workflow Orchestration (LOS Process Engine) * Architected a high-performance workflow engine using Kogito 1.44 and Quarkus, managing 470+ BPMN workflow definitions. * Designed a custom Work Item Handler framework using Template Method Pattern to standardize request processing and retry mechanisms. * Achieved sub-millisecond workflow node transitions by optimizing thread pool configurations.

Spring Boot 3.2Java 17Apache KafkaRedis ClusterKogitoQuarkus+2

Software Engineer

Dec 2021 – Jul 2024 · 2 yrs 7 mos · Noida, Uttar Pradesh, India · On-site

Lead Data Store (Multi-Tenant Platform) * Developed a centralized multi-tenant lead management platform using Spring Boot and MongoDB with dynamic database routing. * Built AWS KMS-based field-level encryption for PII data protection (PAN, Mobile, Bank Accounts) ensuring zero unauthorized data exposure. * Implemented secondary index-based search algorithms supporting high-volume queries by customer parameters.
Microservices & Integration * Developed 20+ Spring Cloud OpenFeign clients for seamless integration with KYC, Risk Engines, and Bureau systems. * Implemented circuit breaker patterns and fault tolerance strategies ensuring 99.9% service availability across integrations. * Successfully migrated 100,000+ leads from legacy systems to the new workflow engine with zero data loss.

Spring BootMongoDBAWS KMSSpring CloudCircuit Breaker PatternsMicroservices+1