Java Back End Developer (Telecom Domain)

Insight Global; Hyderabad; Presencial; INR 1.800.000 - 2.800.000; Jornada completa

Descripción de la vacante

Insight Global is seeking an experienced Backend Engineer in Hyderabad, India to design, develop, test, and support a large-scale, cloud-native bill presentment platform. You will build high-volume distributed systems and microservices using Java/Spring Boot, REST APIs, and event-driven patterns.

You will work in Agile teams, implement batch processing, and ensure security, scalability, and performance. Strong knowledge of AWS, Kubernetes, Kafka, and CI/CD is required for this hands-on, senior

Formación

• 5+ years of backend software development experience.
• Strong hands-on experience building enterprise-scale applications using Java and Spring Boot.
• Experience developing microservices and distributed systems.
• Experience working with high-volume transaction or batch-processing systems.
• Experience developing cloud-native applications on AWS.
• Experience working within Agile/Scrum teams.
• Experience participating in sprint planning, story estimation, daily standups, demos, retrospectives, and backlog refinement activities.

Responsabilidades

• Design, develop, test, and support backend services and APIs.
• Build scalable microservices capable of supporting high-volume billing workloads.
• Develop and optimize batch-processing solutions to meet strict SLA requirements.
• Design and implement integrations with upstream and downstream systems.
• Participate in application architecture, design discussions, and technical reviews.
• Estimate stories, participate in sprint planning, backlog refinement, demos, retrospectives, and other Agile ceremonies.
• Contribute to solution design, performance optimization, and production support activities.
• Write unit tests and participate in quality engineering initiatives.
• Conduct code reviews and ensure adherence to engineering standards.
• Support CI/CD pipelines and DevOps practices.
• Troubleshoot production and non-production issues across applications, APIs, databases, and cloud infrastructure.
• Collaborate with Product Owners, Technical Leads, Architects, QA/SDET teams, DevOps engineers, and business stakeholders.

Conocimientos

Java

Spring Boot

Microservices

REST APIs

Event-driven architecture

JSON/XML

Multi-threading

Batch processing

AWS

Kubernetes

Kafka

API Gateway

IAM

KMS

SQL

Herramientas

Git

GitLab

CI/CD (Jenkins)

Docker

Helm

Infrastructure-as-Code

CloudWatch

Grafana

Descripción del empleo

Role Summary Seeking a highly skilled Backend Engineer to design, develop, test, and support a large-scale, cloud-native bill presentment platform. The role involves building high-volume distributed systems, microservices, APIs, batch-processing solutions, and integrations that support bill generation, storage, retrieval, reconciliation, and operational workflows. The ideal candidate is a hands-on engineer with strong software engineering fundamentals, cloud-native development experience, and the ability to work within Agile delivery teams while maintaining high standards for quality, scalability, security, and performance.

Required Experience

• 5+ years of backend software development experience.
• Strong hands-on experience building enterprise-scale applications using Java and Spring Boot.
• Experience developing microservices and distributed systems.
• Experience working with high-volume transaction or batch-processing systems.
• Experience developing cloud-native applications on AWS.
• Experience working within Agile/Scrum teams.
• Experience participating in sprint planning, story estimation, daily standups, demos, retrospectives, and backlog refinement activities.

Required Technical Skills

Backend Development

• Java
• Spring Boot (Spring-kafka, Spring-cloud, spring-cloud-aws*)
• Microservices
• REST APIs
• Event-driven architecture
• JSON / XML
• Multi-threading and concurrency
• Batch processing

AWS & Cloud

• AWS
• EKS / Kubernetes
• S3
• DynamoDB
• EventBridge
• Kafka
• API Gateway
• IAM
• KMS

Data & Performance

• SQL
• Data modeling
• Query optimization
• Indexing
• Performance tuning
• High-volume data processing

DevOps & Engineering Practices

• Git
• GitLab
• CI/CD pipelines (Jenkins, Gitlab CI/CD)
• Docker
• Helm
• Infrastructure-as-Code concepts
• Pull Requests (PRs)
• Code Reviews
• Branching Strategies
• Secure coding practices

Quality Engineering

• Unit Testing
• Integration Testing
• Test Automation participation
• Static Code Analysis
• Code Quality Gates
• Defect Root Cause Analysis

Key Responsibilities

• Design, develop, test, and support backend services and APIs.
• Build scalable microservices capable of supporting high-volume billing workloads.
• Develop and optimize batch-processing solutions to meet strict SLA requirements.
• Design and implement integrations with upstream and downstream systems.
• Participate in application architecture, design discussions, and technical reviews.
• Estimate stories, participate in sprint planning, backlog refinement, demos, retrospectives, and other Agile ceremonies.
• Contribute to solution design, performance optimization, and production support activities.
• Write unit tests and participate in quality engineering initiatives.
• Conduct code reviews and ensure adherence to engineering standards.
• Support CI/CD pipelines and DevOps practices.
• Troubleshoot production and non-production issues across applications, APIs, databases, and cloud infrastructure.
• Collaborate with Product Owners, Technical Leads, Architects, QA/SDET teams, DevOps engineers, and business stakeholders.

Nice to Have

• Telecom billing experience.
• Amdocs or BriteBill experience.
• Apache FOP, XSL-FO, PDF generation, or document-composition experience.
• Velocity, Freemarker or equivalent templating language
• AWS Glue and ETL experience.
• DynamoDB data modeling expertise.
• Observability tools such as CloudWatch, Grafana, Prometheus, OpenTelemetry.
• Authentication and authorization experience using OAuth2 and JWT.