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Aayush Singh

@aayushsingh28

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Backend engineer specializing in scalable Java systems and Kafka pipelines.

India

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What I'm looking for

I seek backend or full-stack roles where I can build scalable, reliable systems, work with event-driven architectures, and deliver measurable performance improvements while growing technical leadership skills.

I am a backend engineer with hands-on experience building scalable Java Spring Boot services, Kafka-based event pipelines, and PostgreSQL-backed systems that support B2B and B2C training platforms. At Infosys I implemented asynchronous progress calculation for hierarchical content, improving throughput 3x and reducing API response times by 40%, and automated database maintenance to remove nearly 100,000 obsolete records.

I have have built full-stack projects with Node.js, Express, EJS and MongoDB, including TF-IDF search optimization and OAuth 2.0 authentication. I focus on reliable, maintainable code, pragmatic system design, and measurable performance improvements that scale to millions of users.

Experience

Work history, roles, and key accomplishments

Current

Specialist Programmer

Current

Infosys Ltd.

Jul 2024 - Present (1 year 5 months)

Developed and maintained Java Spring Boot backend services and PostgreSQL for a training platform, implemented Kafka-based consumer and asynchronous progress calculations that enabled real-time updates for over 1M learners and reduced API response times by 40%.

Java Spring Boot PostgreSQL Apache Kafka Python OpenSearch Criteria API Microservices

Research Intern

Institute of Nuclear Medicine and Allied Sciences

Jun 2023 - Jul 2023 (1 month)

Developed an EEG signal-processing ML model and standardized a set of metrics for cognitive assessment, using Python for preprocessing, analysis, and visualization of EEG data.

Python EEG Signal Processing Machine Learning data preprocessing Data Visualization Metrics