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suraj singh

@surajsingh21

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Backend developer at Apexon enhancing Java loan workflows with Spring Boot and Kafka for event-driven processing.

United Kingdom

Message

At Apexon, I enhanced a Flowable-based loan workflow system using Java 21 and Spring Boot, integrating Kafka for event-driven processing and connecting workflow events to downstream loan services.

At Infosys, I optimized backend performance for enterprise banking applications by refactoring Java, Spring, and Hibernate data access layers and implementing caching. I also worked on Spring Boot microservices, AWS deployments, CI/CD pipelines, automated testing, messaging, and secure REST APIs.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer

Current

Apexon

Aug 2024 - Present (2 years 2 months)

Resolved a critical production security issue by replacing hardcoded credentials with HashiCorp Vault, ensuring zero downtime and compliance. Developed backend APIs and integrated AI models for a regulatory compliance platform, and enhanced a loan workflow system using Java 21 and Spring Boot.

Java Python PHP Perl Shell Scripting HashiCorp Vault Git Jenkins Agile UAT fastAPI Elasticsearch GPT 4 PyMuPDF OpenAI Embeddings AWS Java 21+Spring Boot Flowable BPM Kafka Docker Microservices

Software Engineer

Infosys

Jun 2018 - Aug 2022 (4 years 2 months)

Optimized backend performance for enterprise banking applications, refactored data access layers, and implemented caching. Developed microservices architecture with Spring Boot and Docker, and engineered CI/CD pipelines with automated testing.