Senior Software Engineer - Full Stack Technologies
First seen by Alion on Jul 23, 2026.
About Kadel Labs :
Kadel Labs is a leading IT services company delivering top-quality technology solutions since 2017, focused on enhancing business operations and productivity through tailored, scalable, and future-ready solutions. With deep domain expertise and a commitment to innovation, we help businesses stay ahead of technological trends.
As a CMMI Level 3 and ISO 27001 : 2022 certified company, we ensure best-in-class process maturity and information security, enabling organizations to achieve their digital transformation goals with confidence and efficiency.
Job Title : Senior Software Engineer - Java Full Stack
Location : Bangalore
Experience : 3+ Years
Job Description :
We are looking for a Full Stack Developer with 35 years of hands-on experience to join our core engineering team. You will work across the backend (Java / Spring Boot) and frontend (React) layers of a large-scale, production platform.
You will contribute to new feature development, client onboarding, PostgreSQL migration, and platform hardening initiatives. This is a high-ownership role you will be responsible for features end-to-end, from API design and database schema changes (via Liquibase) through to UI integration and deployment.
Key Responsibilities :
- Design and develop REST APIs using Java 17 and Spring Boot 3.x for core business domains : payments, settlement, allocation, legal, and digital communications.
- Build and maintain React 18 UI components with Redux Toolkit for state management and Material-UI v5 for design.
- Write and maintain Liquibase changesets for schema evolution across Oracle and PostgreSQL databases.
- Ensure dual-engine compatibility (Oracle + PostgreSQL) for all backend SQL and Hibernate mappings.
- Integrate with internal services via RabbitMQ messaging and REST-based Feign clients.
- Work with AWS services : S3 (document storage), Lambda (rule engine triggers), SQS/SNS (async notifications), EKS (deployment).
- Implement and consume OAuth2/OIDC flows via Keycloak integration.
- Participate in code reviews, write unit and integration tests, and maintain code quality standards.
- Collaborate with mobile, infra, and product teams in an agile environment.
Requirements :
- 3 to 5 years of professional software development experience.
- At least 2 years in Java + Spring Boot backend development.
- At least 1 year of production React frontend work.
Backend :
- Java 17 : strong proficiency; streams, concurrency, generics.
- Spring Boot 3.x : REST controllers, Spring Data JPA, Spring Security.
- Hibernate 6.x : entity mappings, JPQL, native queries.
- Liquibase : versioned schema migrations, multi-DB changesets.
- Oracle SQL + PostgreSQL : comfortable writing and optimising queries on both.
- REST API design : pagination, error handling, idempotency.
Frontend :
- React 18 : functional components, hooks, context.
- Redux Toolkit : slices, thunks, RTK Query.
- Material-UI v5 : theming, custom components.
- REST API integration : Axios/fetch, error boundaries, loading states.
- Basic understanding of build tooling (Webpack / Vite / npm).
General :
- Git : branching, PR-based workflow, rebasing.
- Docker : building and running containers locally.
- Understanding of microservice architecture.
- Familiarity with CI/CD pipelines.
Preferred / Nice-to-have :
- Experience with AWS (S3, SQS, Lambda, EKS / Kubernetes).
- Keycloak or any OAuth2/OIDC provider integration.
- RabbitMQ or any message broker (Kafka, ActiveMQ).
- Flowable BPMN or any workflow engine.
- Redis (caching, session management).
- API Gateway patterns.
- FinTech or NBFC domain knowledge (loans, collections, settlements).
Benefits :
Why Join Kadel Labs :
- Opportunity to work with a fast-growing, innovative company.
- A dynamic work environment where creativity and new ideas are encouraged.
- Competitive salary and benefits package.
- Professional development opportunities in a people-first culture.
Visit us :
https : //kadellabs.com/
https : //in.linkedin.com/company/kadel-labs
https : //www.glassdoor.co.in/Overview/Working-at-Kadel-Labs-EI_IE4991279.11,21.html
Skills
Java, Full Stack, Spring Boot, React.js, SQL, Hibernate, AWS, Rest Webservices, Microservices Architecture, Payment System, REST API