Senior Software Developer (Java Full Stack) - Bengaluru (m/f/d)

Cuculus GmbH; Bengaluru; On-site; INR 1,000,000 - 1,500,000; Full time

Benefits offered by this job

Competitive salary

International working environment

Professional development opportunities

Job summary

A leading technology firm in Bengaluru is seeking a Senior Software Developer to enhance and maintain their ZONOS platform. This role involves building scalable applications with a focus on backend and frontend technologies. The ideal candidate has 7-10 years of experience in Core Java and Spring Boot, along with knowledge of microservices and DevOps practices. Join an agile team and contribute to innovative solutions in a dynamic environment with competitive compensation and benefits.

Qualifications

• 7–10 years of strong Core Java experience.
• Familiarity with Spring Boot, REST APIs, and microservices.
• Experience in Angular or React for full-stack capability.

Responsibilities

• Responsible for end-to-end development lifecycle.
• Design and develop enterprise applications and services.
• Build and maintain REST APIs and microservices.

Skills

Core Java

Spring Boot

REST APIs

Microservices

Angular / React

Kafka

Distributed systems

SQL

Linux

Git

Tools

Docker

Kubernetes

PostgreSQL

Oracle

Job description

Shape the utilities market of the future with us!

As a Senior Software Developer, you will be part of an agile team responsible for enhancing and maintaining the ZONOS platform. You will contribute to building scalable, high-performance applications using modern backend and frontend technologies while ensuring reliability in high-load customer environments.

Location: Bengaluru, India

Employment Type: Full-Time

Experience: 7–10 Years

Domain: Utilities / Smart Metering / AMI (Added Advantage)

What is the role about?

You will be responsible for the end-to-end development lifecycle, including design, development, integration, deployment, and support of distributed applications. The role requires strong backend expertise combined with frontend development skills, focusing on building scalable microservices and reliable enterprise systems.

Key Responsibilities

• End-to-end design and development of enterprise applications (Backend + UI)
• Develop scalable services using Core Java & Spring Boot
• Build and maintain REST APIs and microservices
• Integration with Kafka, MQ/JMS, external enterprise systems
• Develop and support data workflows (NiFi (Mandatory) / Airflow (Mandatory) / Spark (Optional))
• Work with PostgreSQL / Oracle (ClickHouse added advantage)
• Ensure performance, scalability, and security standards
• Support CI/CD, containerized deployments (Docker/K8s)

Your Role at a Glance

• Backend development using Kotlin and Spring Boot.
• Work with distributed architectures and messaging systems.
• Support deployment in cloud/containerized environments.

Required skills and qualifications

• Strong Core Java experience (7–10 years)
• Spring Boot, REST APIs, Microservices
• Angular / React (Full Stack capability)
• Kafka & messaging architectures
• Distributed systems & integration patterns
• SQL & relational database design
• Linux & Git

Good to Have:

• Keycloak / OAuth2 / JWT
• Spark
• Docker, Kubernetes, CI/CD
• Utilities / AMI domain exposure

Preferred skills and qualifications

Technical Stack:

Experience or familiarity with the following technologies is required or highly desirable:

• Apache Kafka, gRPC, Protobuf.
• Oracle or PostgreSQL databases.
• Docker, Kubernetes, Liquibase.
• TypeScript, Angular (or similar frameworks).
• API design using Swagger/OpenAPI.
• Test frameworks (e.g., Jest).

Your profile

• You write maintainable code and have advanced knowledge of HTML5, CSS3 and JavaScript
• You have at least basic knowledge of working with a Version Control System (preferably Git)
• Our stack includes the following languages/technologies you can play around and get familiar with: Kotlin, SpringBoot, Apache Kafka, Protobuf, gRPC, Oracle, PostgreSQL, Liquibase, Docker, Kubernetes
• You have experience with TypeScript, Swagger/OpenAPI and any web framework (we use Angular), test framework (we use Jest) and CSS framework (we use Bootstrap) – all these would be a plus

What You Bring to the Team

• Strong problem-solving and analytical skills.
• Ability to work independently and within agile teams.
• Passion for building scalable and reliable software.
• Interest in modern technologies and continuous learning.

Why us?

• Working with exciting technologies and the chance to really make a difference and see your ideas grow into real products.
• Being part of a very international team with high expertise and very good knowledge in a highly exciting market environment.
• Rewarding international environment where employees can thrive both personally and professionally.
• Competitive salary and benefits package that recognizes your skills and contributions.

Sounds interesting? Great, let’s get to know each other. Send your application and let us know why we could be a great match!

Why You’ll Love It Here

Cuculus GmbH Germany | Lindenstraße 9-11, 98693 Ilmenau | Großer Brockhaus 1, 04103 Leipzig | Anger 63, 99084 Erfurt | United Arabic Emirates | Swiss Tower, Cluster Y, Jumeirah Lakes Towers, Dubai | South Africa, 16 North Road, 2196 Gauteng, Johannesburg