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SP S.
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SP S.

Java Spring Boot Developer | Full stack Java development | Spring AI

📌 Need a reliable Java developer who can take your system from idea to deployment—fast, clean, and scalable? I’ve been doing exactly that for 16+ years as a Java Spring Boot Developer. As a senior Java Spring Boot Developer, I help businesses build high-performance, cloud-native applications using Java Spring Boot, microservices architecture, and modern engineering practices. Whether you need a Spring Boot developer, a backend architect, or a hands-on Java developer, I bring both technical depth and product thinking. I specialize as a Java Spring Boot Developer in building modular, scalable, and cloud-ready systems. As a Spring Boot developer, I design clean architectures for Java microservices, real-time systems with Kafka or RabbitMQ, and high-load applications. As a Java developer, I ensure systems are maintainable, testable, and optimized for long-term growth. Working as a Java Spring Boot Developer, I frequently collaborate with frontend teams using Spring Boot React and Spring Boot Angular stacks. As a Spring Boot developer, I align backend logic with frontend needs, ensuring smooth integration across JavaScript, HTML CSS JavaScript, and UI layers. My experience as a Java developer also includes working with JavaFX interfaces when needed. Cloud is a key part of my work as a Java Spring Boot Developer. I’ve deployed scalable systems on AWS and GCP, acting as both AWS and GCP architect. As a Java developer, I work with AWS DevOps tools like Lambda, API Gateway, Cognito, S3, and EC2. As a Spring Boot developer, I integrate backend services with GCP tools such as Firestore, Pub/Sub, and Cloud Functions, ensuring performance and reliability. Databases are another strong area. As a Java developer, I’ve worked with PostgreSQL, MySQL, SQL Server, Oracle, MongoDB, and Cassandra. As a Spring Boot developer, I design efficient schemas, optimize queries, and handle large-scale data systems. Every Java Spring Boot Developer project I take on includes a strong focus on database performance and scalability. Clean code and testing are essential in my workflow as a Java Spring Boot Developer. I rely on JUnit testing, TDD, and CI/CD pipelines. As a Java developer, I use Maven, Docker, GitHub Actions, and Jenkins to ensure stable delivery. As a Spring Boot developer, I focus on building systems that are reliable, testable, and easy to extend. 📊 Snapshot of My Expertise 💻 Delivered 20+ systems as a Java Spring Boot Developer, including fintech platforms and SaaS applications ☁️ Worked as a Java Spring Boot Developer and cloud architect using AWS and GCP infrastructure 📊 Optimized large-scale databases as a Java developer, improving performance by up to 60% 🔁 Built intelligent systems integrating Spring AI as a Spring Boot developer 🔐 Secured APIs using OAuth2 and Hibernate as a Java Spring Boot Developer 🧪 Maintained high test coverage using JUnit and CI pipelines as a Java developer 🧰 Collaborated across teams delivering full features as a Spring Boot developer If you’re looking for a Java Spring Boot Developer, a reliable Java developer, or an experienced Spring Boot developer who can handle complex systems and deliver scalable solutions I’m ready to help. 📩 Send me a message I usually reply within a few hours.

🇮🇳Gorakhpur, India$20/hr100% JSS5.00 (9)Since Jul 2019
GlobeUpwork

Earnings and projects

MRR
$222

Last 6 months ÷ 6

World#109,713 / 412k
🇮🇳Country#11,522 / 45.9k
Revenue, last 30 days
$0

Last 6 months: $1.3k

Total earnings
$10k

Billed in all: $11k

World#194,634 / 412k
🇮🇳Country#24,530 / 45.9k
Per project
$1.1k

$267 in the last 6 months

World#114,338 / 412k
🇮🇳Country#14,345 / 45.9k
Projects, last 6 months
5
40% fixed60% hourly
World#41,746 / 412k
🇮🇳Country#4,996 / 45.9k
Projects in all
9
56% fixed44% hourly
World#212,268 / 412k
🇮🇳Country#27,855 / 45.9k

Earnings, last 30 days

$10.8kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$10.6k$10.8k$11.0k$11.2kOct 8Oct 23Nov 7

Skill rankings: Top 14% in Hibernate

Ranked by MRR among everyone on Upwork with the skill.

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  5. #95Hibernate677 freelancers · 🇮🇳 #27Top 14%
  6. #136Spring Framework880 freelancers · 🇮🇳 #29Top 15%
  7. #198Apache Kafka981 freelancers · 🇮🇳 #33Top 20%
  8. #317Agile Software Development1,618 freelancers · 🇮🇳 #44Top 20%