Kalpesh Patil-Intern Java Developer
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Experience
Intern Java Developer
Unzer GmbH
- Developed a Proof of Concept for distributed tracing using OpenTelemetry within a microservices architecture, enhancing system observability and reducing mean-time-to-resolution for issues.
- Built and maintained backend services using Java and Spring Boot, ensuring high reliability and performance for payment transaction workflows.
- Implemented comprehensive automated testing with JUnit and Mockito, achieving 95% test coverage to ensure code quality and maintainability.
- Gained insight into payment transaction workflows, validating end-to-end system reliability and gaining domain knowledge in financial processes.
- Tech used: Java, Spring Boot, Microservices, REST API, Kafka, Grafana, Datadog, Docker, MongoDB
Software Engineer
Tata Consultancy Services
- Developed and maintained an Agent Controller utility to manage automated processes across Linux-based distributed servers, improving overall system efficiency.
- Contributed to the National Bullion Exchange (NBE) proof of concept, developing features within a microservices architecture using Java, Spring Boot, and REST API.
- Analyzed requirements and implemented technical solutions, working closely with team members in an Agile setting.
- Actively participated in CI/CD pipeline processes and provided technical support during live deployments, rapidly fixing production bugs to ensure system reliability.
- Tech used: Java, Spring Boot, Shell script, Docker, MySQL, REST API, Linux
Banking Application
- Built a digital banking app focused on secure customer onboarding with OTP verification, role-based access, and audit-ready flows; exposed clean REST APIs consumed by a responsive Angular UI.
- Implemented MongoDB persistence, rate-limited OTP issuance, password hashing, and centralized error handling, with room to extend into accounts and payments.
- Tech used: Java, Spring Boot, Angular, Docker, REST API, JWT, TypeScript
Hotel Management System
- Designed and developed a full-stack booking and room control system for hotel operations.
- Secured access using JWT-based authentication and authorization mechanisms.
- Tech used: TypeScript, Java, React, Node.js, Spring Boot, MySQL, REST APIs, JWT, HTML, CSS
Master Thesis – A Comparative Analysis of Observability Solutions: Enhancing Payment Workflow Monitoring
- Conducted a comparative analysis of observability tools (including Prometheus and Grafana) to enhance monitoring in payment processing systems.
- Integrated observability directly into microservices to improve system transparency and reliability.
- Tech used: Java, Spring Boot, Docker, REST API, Jaeger, Grafana, MongoDB, JavaScript
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology and Banking and Finance.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, and Quality Assurance.
Summary
Software Engineer with 3+ years of experience building secure, scalable applications from frontend to backend. Passionate about leveraging modern technology stacks including Java and Spring Boot to solve complex problems in agile, product-driven environments.
Experienced in software architecture, technical design, and taking ownership of features in a fully remote setting. Eager to apply my problem-solving mindset and collaborative spirit to contribute to a dedicated development team and help build a next-gen platform from the ground up.
Skills
- Programming: Java, Python, Javascript
- Version Control: Git, Github
- Backend: Spring Boot, Node.Js
- Messaging: Kafka, Sns/Sqs
- Databases: Opensearch, Mongodb, Mysql
- Frontend: Html, Css, Angular
- Monitoring: Elasticsearch, Prometheus, Grafana
- Integration & Apis: Rest Api, Json, Xml
- Cloud & Devops: Docker, Kubernetes, Jenkins
- Testing: Junit, Mockito, Postman
Languages
Education
SRH Hochschule
Master's in Applied Computer Science · Applied Computer Science · Heidelberg, Germany · 1.9
MGM CET
Bachelor of Engineering · Engineering · Navi Mumbai, India · 7.4/10
Statistics
Experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Kalpesh is based in Berlin, Germany.
Kalpesh speaks the following languages: English (Advanced), German (Elementary).
Kalpesh has at least 3 years of experience. During this time, Kalpesh has worked in at least 2 different roles and for 2 different companies. The average length of individual experience is 1 year and 5 months. Note that Kalpesh may not have shared all experience and actually has more experience.
Based on recent experience, Kalpesh would be well-suited for roles such as: Intern Java Developer, Software Engineer, Banking Application.
Kalpesh's most recent position is Intern Java Developer at Unzer GmbH.
In recent years, Kalpesh has worked for Unzer GmbH and Tata Consultancy Services.
Kalpesh is most experienced in industries like Information Technology and Banking and Finance.
Kalpesh is most experienced in business areas like Information Technology, Product Development, and Quality Assurance.
Kalpesh holds a Master in Applied Computer Science from SRH Hochschule and a Bachelor in Engineering from MGM CET.
The availability of Kalpesh needs to be confirmed.
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Calculated based on our freelancers’ daily rates as of 25 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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