Sandesh S Karader
Bangalore
Summary
Skilled Java Backend Developer with 2 years of experience designing and developing scalable microservices and RESTful APIs using Spring Boot. Hands-on expertise in multithreaded application development, asynchronous processing with ExecutorService, and integrating AWS services such as EC2, RDS, S3, and Cost Explorer. Contributed to the end-to-end development of a cloud-based innovation platform (OIP), enabling automated POC lifecycle management, multi-level approvals, and PDF report generation using JSReport. Strong foundation in object-oriented programming, database design, and writing clean, maintainable code. Adept at collaborating in Agile teams and delivering robust backend solutions in fast-paced environments.
Overview
2
2
years of professional experience
1
1
Certification
Work History
Software Development Engineer (Backend)
1TX Technologies
01.2025 - Current
- Company Overview: A scalable platform enabling employees to submit, track, and collaborate on innovative ideas across an organization. Product: Ideabox
- Integrated AWS Cognito to enable secure, scalable user authentication and registration without manual credential management.
- Configured Cognito User Pools and implemented custom attributes and roles to manage different user types (e.g., normal users, admins).
- Developed JWT-based authentication to authorize access to protected APIs and verify identity across sessions.
- Ensured secure communication between frontend and backend services by validating JWT tokens and managing session expiration securely.
- Designed and developed RESTful APIs using Spring Boot to allow idea submission, commenting, and lifecycle tracking.
- Integrated Amazon S3 for secure storage and retrieval of logos, images, and attachments related to ideas.
- Ensured stateless session management using JWT, improving scalability and reducing server memory usage.
- Enabled 2x faster file upload and retrieval by integrating Amazon S3 for secure, asynchronous handling of attachments and media.
- A scalable platform enabling employees to submit, track, and collaborate on innovative ideas across an organization. Product: Ideabox
Software Development Engineer (Backend)
1TX Technologies
06.2023 - Current
- Company Overview: A scalable platform connecting Problem Owners with skilled Problem Solvers to crowdsource real-world solutions. Product: OIP (Open Innovation Platform)
- Designed with a microservices architecture (6 services) to manage user authentication, challenge management, audit logs, notifications, environment provisioning, and community forums.
- Built and maintained 6 microservices using Java and Spring Boot, each handling core platform domains like Cognito integration, Environmental Operations, and Notifications.
- Designed and implemented functionalities to allow Problem Owners to create, post, and manage innovative challenges with detailed descriptions, timelines, and requirements.
- Led the development of a critical POC provisioning module, enabling automatic AWS environment creation (EC2, RDS, S3) based on user preferences upon POC approval.
- Achieved 60% faster processing by using Executor Service and Future for concurrent AWS provisioning.
- Contributed to the collaborative effort in crafting and maintaining high-performance backend systems using Java and Spring Boot within a dynamic team, collectively ensuring unparalleled reliability.
- Integrated JSReport for automated generation of PDF reports related to challenge submissions, POC, and approval workflows.
- Contributed to a 30% reduction in platform errors and improved overall application performance by 25% through system optimizations.
- Wrote scheduled jobs (cron-based) to auto-close POCs once their end date is reached and trigger real-time notifications to involved users.
- Built a configurable Multilevel Approval Engine allowing flexible, multi-role approval workflows (e.g., Manager → Admin → Finance).
- A scalable platform connecting Problem Owners with skilled Problem Solvers to crowdsource real-world solutions. Product: OIP (Open Innovation Platform)
Education
BE/B.Tech/BS - Computer Science
ATME College Of Engineering
01.2022
Skills
- Core Java
- Advanced Java
- SQL
- Spring Boot
- Spring Security
- Spring Data JPA
- Maven
- Gradle
- Hibernate
- SVN
- MySQL
- Spring Tool Suite (STS)
- Postman
- Tomcat
- Jira
- JsReports
- SonarQube
- AWS CLI/AWS Console
- Jenkins
- Rest Api's
- Microservices Architecture
- AWS (EC2, S3, RDS)
- Database Management (MySQL, PostgreSQL)
- Data Structures and Algorithms
- Low Level Design
- Schema Design
Certification
- Java Programming, Udemy, 01/01/23, Completed a comprehensive course covering core Java concepts including OOPs principles, exception handling, collections framework, multithreading, file handling, and JDBC. Built mini-projects and console-based applications to strengthen foundational understanding.
- Spring Boot Masterclass, Udemy, 01/01/25, Gained hands-on experience in building RESTful web services using Spring Boot. Covered key concepts such as Spring Data JPA, Dependency Injection, Spring Security, Scheduling, and Microservice Architecture. Developed a full-stack backend using real-world use cases.
Languages
English
Advanced (C1)
Kannada
Advanced (C1)
Timeline
Software Development Engineer (Backend)
1TX Technologies
01.2025 - Current
Software Development Engineer (Backend)
1TX Technologies
06.2023 - Current
BE/B.Tech/BS - Computer Science
ATME College Of Engineering
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