IVR Engineer - Asterisk/CTADE Developer

Job Summary

We are looking for a Senior Backend Engineer with strong experience in Java, Spring Boot, and Microservices architecture. Candidates with server-side Kotlin development experience are highly preferred. Strong software engineering fundamentals, REST API development expertise, and experience building enterprise-scale applications are essential.

The ideal candidate should be passionate about clean code, testing, scalability, and product/platform engineering.

Key Responsibilities

• Design, develop, and maintain scalable backend applications using Java and/or Kotlin.
• Build and enhance RESTful APIs and microservices-based applications.
• Develop high-performance, secure, and reliable enterprise applications.
• Participate in system design, architecture discussions, and technical decision-making.
• Write clean, maintainable, and well-tested code following industry best practices.
• Implement and maintain automated unit tests, integration tests, and other testing strategies.
• Collaborate with Product, Engineering, and DevOps teams to deliver high-quality solutions.
• Troubleshoot production issues and optimize application performance.
• Mentor junior developers and contribute to engineering excellence initiatives.

Required Skills

• 6–8+ years of backend development experience.
• Strong proficiency in Java.
• Experience with server-side Kotlin (preferred) or willingness to learn and work extensively in Kotlin.
• Hands-on experience with Spring Boot and Microservices architecture.
• Strong experience developing REST APIs.
• Experience building enterprise-grade applications.
• Good understanding of software design patterns and object-oriented programming principles.
• Strong knowledge of unit testing frameworks such as JUnit, Mockito, or equivalent.
• Experience with Test-Driven Development (TDD) is highly desirable.
• Knowledge of CI/CD pipelines and version control systems such as Git.
• Experience working with relational and/or NoSQL databases.

Description

We are seeking a skilled and detail-oriented Software Developer to automate our internal workflows, develop tools for internal use that are used by our development team.

We follow the following practices: unit testing, continuous integration CI, continuous deployment CD, and DevOps.

We have codebases in go, java, python, vue js, bash and support the development team that develops C code.

You need to like challenges, explore new fields and find solutions for problems.

You will be responsible for coordinating, automating, and validating internal workflows and ensuring operational stability, and system reliability.

Requirements

• Bachelor’s degree in Computer Science, Engineering, or related field.
• 2+ years in professional software development
• Solid understanding of software development patterns like SOLID, GoF or similar.
• Experience automating deployments for different kinds of applications.
• Strong understanding of Git version control, merge/rebase strategies, tagging.
• Familiarity with containerization (Docker) and deployment orchestration (e.g., docker compose).
• Solid scripting experience (bash, or similar).
• Understanding of observability, monitoring, and probing tooling (e.g., Prometheus, Grafana, blackbox exporter).

Preferred Skills

• Experience in SRE
• Proficiency in CI/CD tooling (e.g., GitHub Actions, Jenkins, GitLab).
• Familiarity with build tools like Make, CMake, or similar.
• Exposure to artifact management systems (e.g., aptly, Artifactory, Nexus).
• Experience deploying to Linux production systems with service uptime guarantees.

Responsibilities

• Develop new services that are needed by SRE, Field or Development Team by adopting unit testing, agile, clean code practices.
• Drive the CI/CD pipeline and maintain the workflows, using tools such as GitLab, Jenkins
• Deploy the services and implement and refine the automation for different environments.
• Operate: The services that the SRE Team developed.
• Automate release pipelines: Build and maintain CI/CD workflows using tools such as Jenkins and GitLab.
• Version control: Manage and enforce Git best practices, branching strategies (e.g., Git Flow), tagging, and release versioning.
• Collaboration: Work closely with developers, QA, and product teams to align on release timelines and feature readines
• Success Metrics
• Achieve >99% service up time with minimal rollbacks.
• Delivery in time, hold timelines.

Benefits

Enjoy a great environment, great people, and a great package

• Stock Appreciation Rights - Generous pre series-B stock options
• Generous Gratuity Plan - Long service compensation far exceeding Indian statutory requirements 
• Health Insurance - Premium health insurance for employee, spouse and children 
• Working Hours - Flexible working hours with sole focus on enabling a great work environment 
• Work Environment - Work with top industry experts in an environment that fosters co-operation, learning and developing skills 
• Make a Difference - We're here because we want to make an impact on the world - we hope you do too!

Why Join RtBrick

Enjoy the excitement of a start-up without the risk!

We're revolutionizing the Internet's backbone by using cutting-edge software development techniques. The internet and, more specifically, broadband networks are among the most world's most critical technologies, that billions of people rely on every day. Rtbrick is revolutionizing the way these networks are constructed, moving away from traditional monolithic routing systems to a more agile, disaggregated infrastructure and distributed edge network functions. This shift mirrors transformations seen in computing and cloud technologies, marking the most profound change in networking since the inception of IP technology. 

We're pioneering a cloud-native approach, harnessing the power of container-based software, microservices, a devops philosophy, and warehouse scale tools to drive innovation. 

And although RtBrick is a young innovative company, RtBrick stands on solid financial ground: we are already cash-flow positive, backed by major telco investors like Swisscom Ventures and T-Capital, and our solutions are actively deployed by Tier-1 telcos including Deutsche Telekom (Europe's largest carrier), Regional ISPs and City ISPs—with expanding operations across Europe, North America and Asia. 

Joining RtBrick offers you the unique thrill of a startup environment, coupled with the security that comes from working in a business with substantial market presence and significant revenue streams. 

We'd love you to come and join us so why don't you embrace the opportunity to be part of a team that's not just participating in the market but actively shaping the future of telecommunications worldwide

About the Role

We are hiring for our client for the role of Java Developer. The ideal candidate should have strong expertise in backend development, Java-based microservices architecture, and REST API development. This role involves designing, developing, debugging, and optimizing enterprise-grade applications in a collaborative environment.

Key Details

• Location: PAN India (Bangalore Preferred)
• Work Mode: Hybrid
• Experience: 8–12 years
• Compensation: ₹15 LPA – ₹25 LPA
• Open Positions: 10
• Notice Period: Immediate to 15 days preferred

Key Responsibilities

• Develop backend services and microservices using Java
• Design and build REST APIs for enterprise applications
• Participate in application architecture, design, and development activities
• Debug, test, and optimize application performance
• Support deployment, maintenance, and production issue resolution
• Collaborate with cross-functional teams to deliver scalable solutions
• Ensure code quality, best practices, and performance optimization

Required Skills

• Strong hands-on experience in Java development
• Experience with backend services and microservices architecture
• Expertise in REST API development
• Strong debugging and performance optimization skills
• Good understanding of application deployment and maintenance
• Strong problem-solving and collaboration abilities

Eligibility Criteria

• Candidates available within 0–15 days preferred
• Strong alignment with the requirement

We are looking for a Senior Java Developer with 6+ years of experience to join our team. The ideal candidate should have strong expertise in Java, Spring Boot, Microservices, and Cloud Technologies. You will play a key role in designing, developing, and optimizing scalable applications while mentoring junior developers and ensuring best coding practices.

Key Responsibilities:

• Design, develop, and maintain Java-based enterprise applications.
• Implement and optimize Microservices Architecture using Spring Boot.
• Develop, test, and deploy RESTful APIs and Web Services.
• Work with SQL and NoSQL databases (MySQL, PostgreSQL, MongoDB, etc.).
• Ensure application scalability, security, and performance.
• Collaborate with DevOps teams for CI/CD pipeline integration.
• Work with Cloud platforms (AWS, Azure, or GCP) for cloud-native development.
• Implement best practices for coding, testing, and deployment.
• Lead code reviews, mentor junior developers, and contribute to architectural decisions.
• Troubleshoot production issues and provide effective solutions.

Required Skills & Experience:

• 6+ years of hands-on experience in Java development.
• Strong expertise in Spring Boot, Spring MVC, and Spring Security.
• Experience with Microservices Architecture and containerization tools like Docker/Kubernetes.
• Proficiency in SQL & NoSQL databases (MySQL, PostgreSQL, MongoDB, Redis).
• Hands-on experience with RESTful APIs, messaging systems (Kafka, RabbitMQ), and authentication mechanisms (OAuth, JWT, SAML).
• Familiarity with CI/CD tools (Jenkins, GitHub Actions, GitLab CI/CD).
• Experience in Agile/Scrum development methodologies.
• Strong knowledge of multi-threading, concurrency, and design patterns.

Qualification & Experience

Position : Backend Developer – SDE3 : Java/Nodejs

As part of the engineering team, you would be expected to have deep technology expertise with a passion for building highly scalable products. This is a unique opportunity where you can impact the lives of people across 150+ countries!

Responsibilities

● Own architecture, design, development, and implementation of different modules/features of the services

● Design, develop, deploy and support web applications.

● Bring in industry best practices

● Discover opportunities for performance improvements

● Recommend ways to improve reliability, efficiency and code quality

● Focus on continuous delivery and reducing complexity

● Carry out code reviews and manage pull requests within the mobile application development team

● Build applications based on micro-services architecture

Requirements

● Overall 5+ years of experience in Backend development (Java or Nodejs).

● B.E/B.Tech in CS or equivalent streams from institute of repute (IITs, NITs, BITs, IIITs or equivalent)

● Strong object oriented design skills & knowledge of design patterns

● Experience in working with data platform & data lake pipeline building is preferred.

● Experience designing & developing distributed systems involving multiple web services, databases (both SQL and NoSQL), caches, queues, etc. taking into consideration scalability, availability, fault tolerance, consistency, etc. of the overall system

● Well-aware of and enforces development best practices: Unit Tests, Code Reviews, Integration Tests, CI/CD, Monitoring, Alerting, etc