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.

About Us

Cuculus is the key to providing utilities to all, while protecting the world's precious resources. Jointly with our international partner network, we provide cutting-edge software and technology solutions to address utility challenges now and in the future. Cuculus will never tire of creating innovative technology and services that enable utilities and organisations to successfully transition to a new era of providing and managing electricity, water, and gas. The work we do is important for individuals, cities, and entire nations. Our work is serious, but we have fun with it, too.

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