Sameer Kumar Singh — Software Engineer

Software Engineer with 2 years of experience architecting high-availability REST APIs and microservices for enterprise and Fortune 500 fintech clients. 🚀 Professional Impact: • System Architecture: Delivering production-grade distributed systems (Java 21, Spring Boot 3) and modernizing monolithic Oracle WebLogic applications into cloud-native microservices. • Performance Optimization: Engineered event-driven data pipelines leveraging Apache Kafka and Redis, successfully reducing database retrieval latency by 45%. • Cloud & DevOps: Executing legacy-to-cloud migrations onto Microsoft Azure, orchestrating container deployments via Docker. • Engineering Excellence: Strong advocate for CI/CD best practices, clean code, and Test-Driven Development (TDD), consistently sustaining 90%+ JUnit coverage and zero-vulnerability quality gates. 🧠 Algorithmic Problem-Solving: • Deeply passionate about system design and continuous optimization. • Actively maintain a 1759 maximum LeetCode rating and a 6-star rank on HackerRank. • Solved 600+ DSA problems across platforms to continuously refine core computer science fundamentals. ⚡ Core Competencies & Skills: • Architecture: Microservices, Event-Driven Systems, REST APIs, Legacy-to-Modern Migrations • Languages & Frameworks: Java (8/17/21), Spring Boot 3, Spring Security, Hibernate/JPA • Messaging & Caching: Apache Kafka, Redis • Databases: PostgreSQL, OracleDB, DB2, MySQL, MongoDB • Cloud & DevOps: Azure, Docker, Kubernetes, Jenkins, GitHub Actions, SonarQube • Testing & API: JUnit 5, Mockito, Swagger/OpenAPI, TDD

Stackforce AI infers this person is a Fintech Backend Engineer with expertise in microservices and cloud technologies.

Location: Bangalore Urban, Karnataka, India

Experience: 1 yr 11 mos

Skills

Microservices
Rest Apis
Event-driven Systems

Career Highlights

Architected scalable microservices for Fortune 500 fintech clients.
Engineered data pipelines reducing latency by 45%.
Achieved 90%+ test coverage with CI/CD best practices.

Work Experience

HashedIn by Deloitte

Software Engineer I (1 yr 11 mos)

Trainee Engineer (3 mos)

Nokia

Student Intern (7 mos)

MSM AI Integlytics

Intern (1 mo)

Chegg Inc.

Subject Matter Expert (1 yr 1 mo)

Education

Bachelor of Engineering - BE at RNS Institute of Technology - India

12th at Kendriya Vidyalaya AFS AVADI , Chennai , Tamil Nadu

at Kendriya Vidyalaya No.3 , Amritsar , Punjab

at Kendriya Vidyalaya AFS Jaisalmer , Rajasthan

at Kendriya Vidyalaya No.1, AFS Kalaikunda, West Bengal

at Air Force School , Kalaikunda , West Bengal.

Sameer Kumar Singh

Software Engineer

Bangalore Urban, Karnataka, India1 yr 11 mos experience

AI EnabledAI ML Practitioner

Key Highlights

Architected scalable microservices for Fortune 500 fintech clients.
Engineered data pipelines reducing latency by 45%.
Achieved 90%+ test coverage with CI/CD best practices.

Stackforce AI infers this person is a Fintech Backend Engineer with expertise in microservices and cloud technologies.

Contact

Skills

Core Skills

MicroservicesRest ApisEvent-driven Systems

Other Skills

JavaSpring BootApache KafkaRedisAzureCI/CDSwagger/OpenAPIGitDockerJava Spring BootReact.NETOpenAI's LLMWeb DevelopmentValgrind

About

Experience

1 yr 11 mos

Total Experience

1 yr 11 mos

Average Tenure

1 yr 11 mos

Current Experience

Hashedin by deloitte

2 roles

Software Engineer I

Jul 2024 – Present · 1 yr 11 mos

Architected scalable microservices and 100+ REST APIs for a Fortune 500 fintech client using Java 21 and Spring Boot 3. Integrated the CTG layer for core data transactions and migrated legacy EJB monoliths to Azure Cloud.
Engineered resilient, event-driven data pipelines by integrating Apache Kafka for asynchronous messaging and Redis for distributed caching, reducing database retrieval latency by 45% across IBM DB2 and OracleDB.
Implemented CI/CD and observability best practices as the primary Azure POC, establishing active system monitoring via Azure Monitor. Enforced zero-vulnerability code quality gates using SonarQube, JUnit 5, and Mockito, sustaining 90% test coverage.
Secured enterprise-grade APIs utilizing Spring Security and Hibernate/JPA, ensuring strict transactional data integrity, and delivered comprehensive API documentation via Swagger/OpenAPI.
Orchestrated production handovers for 10+ enterprise integrations. Recognized with 3 Spot Awards, Top Impactor, and "Squad of the Quarter" for technical ownership in high-velocity Agile pods.
Environment: Java 21, Spring Boot 3, Azure, Apache Kafka, Redis, Hibernate/JPA, Spring Security, Docker, Kubernetes, CI/CD, Swagger/OpenAPI.

JavaSpring BootMicroservicesREST APIsApache KafkaRedis+3

Trainee Engineer

Apr 2024 – Jul 2024 · 3 mos

Successfully finished a 4-week intensive bootcamp program at HashedIn University, receiving comprehensive training in various aspects of software development.
Enhanced proficiency in Git, Docker, Java Spring Boot, React, and .NET by actively participating in practical projects, assignments, quizzes, and vivas, gaining hands-on experience in each technology.
Collaborated with a team of fellow Linkers to conceive and develop "Data Wizard," a sophisticated web application powered by OpenAI's LLM technology, designed to assist data scientists, data analysts, and data engineers in performing advanced database manipulations.

GitDockerJava Spring BootReact.NET

Nokia

Student Intern

Sep 2023 – Apr 2024 · 7 mos · Hybrid

Developed a memory leak generation tool, enhancing debugging and testing infrastructure for CNS R&D.
Conducted Valgrind memory leak checks across multiple modules in the cloud network team, promptly identifying and resolving issues to enhance the reliability and saving upto 40% of memory of a single MT.
As an R&D Intern conducted extensive research focused on advancing cloud network solutions for Session Control.
Automated table validation, file transfer, and compression using Python scripting, and configured Jenkins for email notifications from the central repository.
Collaborated within the session control team, actively learning and contributing to the development of IMS, ZTS, and other cloud solutions while utilizing Git, Jira, MobaXterm SSH and Gerrit for code reviews and workflow management.

ValgrindPythonGitJiraMobaXterm SSHGerrit

Msm ai integlytics

Intern

May 2023 – Jun 2023 · 1 mo · Bangalore Urban, Karnataka, India · Remote

Designed a backend database schema using Backendless no-code technology. The task involved creating and replication of client exisiting legacy database and ensuring seamless integration aligning with requirements.
Developed an intuitive frontend UI on the same platform using various available plugins, skillfully combining aesthetic appeal with functional efficiency with over 8+ pages and authentication along with proper state management throughout the site.
Implemented a logistics project connecting the backend and frontend to pinpoint discrepancies between estimated and final bills.

BackendlessFrontend Design

Chegg inc.

Subject Matter Expert

Aug 2022 – Sep 2023 · 1 yr 1 mo

Authored 25+ core Computer Science solutions, spanning relational DBMS, Computer Network security, and multiple Java/Python coding.
Solution based assistance over 100+ students with essential Computer Science solutions, facilitating their understanding .