Location: Hyderabad work from office We are seeking a highly skilled Senior Full Stack Java Developer with strong experience in Java 8/17, Spring Boot, Akka, React/Angular, and distributed systems. The ideal candidate will design, build, and maintain scalable microservices and up-to-date web applications, working across both frontend and backend layers. This individual will collaborate closely with architects, product owners, UX designers, and cross-functional teams to deliver high-quality, on-premise and cloud-native solutions.

Key Responsibilities

Design, develop, and maintain microservices-based applications using Java 8/17, Spring Boot, and Scala

Build highly concurrent, fault-tolerant, and distributed systems using Akka (Actors, Streams, Cluster)

Develop responsive and user-friendly web applications using React, Angular, TypeScript, JavaScript, HTML5, and CSS3

Build and integrate RESTful and event-driven APIs with frontend applications

Implement asynchronous and reactive programming models

Develop reusable UI components and frontend frameworks following modern design patterns

Collaborate with architects, UX/UI designers, and product teams on requirements analysis and system design

Write clean, testable, and maintainable code following industry best practices

Implement unit, integration, end-to-end, and performance testing

Work with containerized environments (Docker, Kubernetes)

Participate in code reviews, design discussions, and agile ceremonies

Troubleshoot, optimize, and improve application performance, usability, and reliability

Follow DevOps and CI/CD practices for automated builds and deployments

Ensure application security, accessibility, and compliance with enterprise standards

Support on-premises and cloud-native application development and deployment in Azure environments

Required Skills

Backend Development

Strong hands-on experience with Java 8 and/or Java 17

Extensive experience with Spring Boot

Extensive experience in Akka

Akka Actors

Akka Streams

Akka Cluster





Experience designing and implementing microservices applications

Strong understanding of concurrency, multithreading, and asynchronous programming

Knowledge of CQRS and Event Sourcing

Hands-on experience with REST APIs, WebSockets, JSON, and Protobuf

Experience with relational and NoSQL databases (SQL Server, Cassandra, CosmosDB)

Familiarity with message brokers (Kafka)

Frontend Development

Strong experience with React.js and/or Angular

Proficiency in TypeScript, JavaScript (ES6+), HTML5, CSS3, and responsive web design

Experience with state management frameworks such as Redux, NgRx, or Context API

Experience integrating frontend applications with RESTful and WebSocket services

Familiarity with component-based architecture and reusable UI frameworks

Experience implementing responsive and cross-browser compatible web applications

Understanding of UI/UX principles and accessibility standards (WCAG)

DevOps & Cloud

Experience with Docker and Kubernetes

Knowledge of CI/CD pipelines (GitHub Actions, Azure DevOps or similar CICD tools)

Experience with Git-based source control and branching strategies

Experience working with Azure, or GCP cloud services

Familiarity with Infrastructure as Code (Terraform, Ansible)

Testing

Experience with JUnit, Mockito, and integration testing frameworks

Experience with frontend testing frameworks such as Jest, Cypress, Playwright, or Selenium

Understanding of automated testing and quality engineering practices

Nice-to-Have Skills

Experience with Reactive frameworks (Project Reactor, WebFlux)

Experience in Scala development

Familiarity with observability tools (Prometheus, Grafana, ELK, OpenTelemetry)

Experience with performance tuning and load testing

Exposure to Domain-Driven Design (DDD)

Experience with Material UI, PrimeNG, Bootstrap, or similar UI frameworks

Experience with MicroK8s, Azure Kubernetes Service (AKS)

Knowledge of OAuth2, OpenID Connect, JWT, and enterprise security best practices

Experience developing Progressive Web Applications (PWA)

Familiarity with AI-assisted development tools such as GitHub Copilot.

📌 Java FSD - Akka Framework - Product Based - Onsite (Hyderabad)
🏢 Cygnus Professionals
📍 Hyderabad