Senior Java / Perl Developer, Chennai, Tamil Nadu, India

Job Title: Senior Java / Perl Developer

Job Location: Hyderabad

Engagement Type: Consulting

Client Environment: Enterprise Financial-services environment

Experience Required: 8+ years

Must have skills: Core Java, Perl Script, AWS, REST API, SQL/RDBMS and Production Support experience

Position Overview:

We are seeking a highly skilled Senior Java / Perl Developer to design, develop, enhance, and support enterprise applications in a fast-paced, Agile delivery environment. This role requires strong hands-on expertise in modern Java development, Perl scripting and legacy application support, AWS cloud services, APIs, relational databases, and production support.
The consultant will work closely with product owners, business analysts, architects, QA teams, DevOps teams, and other technology stakeholders to deliver secure, scalable, reliable, and production-ready solutions. The successful candidate will be comfortable supporting both modernization initiatives and ongoing enhancements to existing Java- and Perl-based applications.

Key Responsibilities

Analyze user stories and business requirements; identify technical dependencies, clarify requirements, and provide development estimates.
Design, develop, test, debug, deploy, and maintain scalable Java-based applications, services, and integrations.
Develop, enhance, and support Perl applications, scripts, batch jobs, and legacy processing components.
Translate functional requirements into clean, secure, maintainable, and well-documented technical solutions.
Design and develop RESTful APIs and enterprise integrations with upstream and downstream systems.
Build and support batch-processing, event-driven, and cloud-native workloads.
Write unit tests and support integration, system, regression, and user-acceptance testing activities.
Investigate defects, perform root-cause analysis, and resolve application and production issues within agreed timelines.
Participate in peer code reviews and promote best practices for code quality, security, performance, reliability, and maintainability.
Collaborate in Agile/Scrum ceremonies, including backlog refinement, sprint planning, daily stand-ups, sprint reviews, and retrospectives.
Prepare and maintain technical documentation, including application designs, interface specifications, deployment procedures, support runbooks, and operational documentation.
Support release planning, deployment activities, post-release validation, and ongoing production support.
Work with cross-functional teams to improve application reliability, scalability, observability, and operational efficiency.

Required Qualifications:

8+ years of professional software development experience.
Strong hands-on Java development experience, including core Java, object-oriented programming, collections, exception handling, multithreading, and performance tuning.
Strong Perl programming and scripting experience, including maintenance and enhancement of legacy applications, scripts, and batch-processing solutions.
Experience designing, developing, and consuming RESTful APIs and enterprise integrations.
Strong SQL and relational database experience, including query development, troubleshooting, data analysis, and performance optimization.
Experience with unit testing, debugging, defect remediation, code reviews, and production support.
Experience working with source-control systems and collaborative software-development practices.
Strong problem-solving skills, with the ability to analyze complex technical requirements and deliver practical solutions.
Effective written and verbal communication skills, including the ability to work with technical and non-technical stakeholders.
Experience working in Agile/Scrum delivery environments.

Required AWS and Cloud Expertise

Hands-on experience designing, developing, deploying, and supporting Java-based applications in AWS environments.
Working knowledge of AWS services such as EC2, S3, Lambda, RDS, CloudWatch, IAM, VPC, API Gateway, and ECS or EKS.
Experience developing and supporting cloud-native APIs, batch-processing workloads, and event-driven integrations.
Experience with AWS-managed storage and database services, including Amazon S3 and Amazon RDS.
Experience using CloudWatch logs, metrics, alerts, and dashboards to monitor and troubleshoot applications.
Understanding of AWS security practices, including IAM roles and policies, least-privilege access, encryption, secrets management, and secure network configuration.
Experience with infrastructure-as-code and automated environment provisioning using AWS CloudFormation, Terraform, or comparable tools.
Experience integrating AWS deployments into CI/CD pipelines, including automated build, test, release, rollback, and deployment processes.
Ability to optimize cloud solutions for performance, scalability, reliability, security, and cost.

Preferred Qualifications:

Experience with Java enterprise frameworks and backend service development.
Experience modernizing or migrating legacy Java or Perl applications to AWS-based environments.
Experience with Linux/Unix environments, shell scripting, job scheduling, and batch processing.
Experience with containerization using Docker and orchestration platforms such as Amazon ECS or EKS.
Familiarity with AWS messaging and integration services, including SQS, SNS, EventBridge, and Step Functions.
Familiarity with CI/CD tools, automated builds, deployment workflows, and DevOps practices.
Experience with application monitoring, log analysis, incident management, and problem resolution.
Knowledge of secure coding practices, authentication and authorization concepts, and enterprise compliance requirements.
Experience building highly available, resilient, and secure enterprise applications.
Experience in financial services, payments, card processing, or other high-volume transaction-processing environments.
AWS certification, such as AWS Certified Developer, Solutions Architect, or SysOps Administrator.

Consultant Profile:

The ideal consultant is a hands-on engineer who can deliver modern Java-based services while maintaining and modernizing Perl-based applications. They bring strong AWS cloud experience, can work independently from user stories through production deployment, and are comfortable operating in a collaborative enterprise environment. The consultant should be capable of delivering secure, scalable, reliable solutions while balancing new development, legacy support, defect resolution, and operational responsibilities.

Über Cognizant 
Cognizant (NASDAQ: CTSH) i ist ein Technologiedienstleister und Entwickler von KI-Lösungen. Wir schlagen die Brücke zwischen KI-Investitionen und echtem unternehmerischem Mehrwert, indem wir ganzheitliche Full-Stack-KI-Lösungen für unsere Kunden entwickeln. Mit unserer fundierten Branchen-, Prozess- und Engineering-Expertise integrieren wir die spezifischen Anforderungen von Unternehmen passgenau in Technologiesysteme. So entfalten wir das menschliche Potenzial, erzielen greifbare Ergebnisse und sichern globalen Unternehmen in einer sich rasant wandelnden Welt den entscheidenden Vorsprung. Erfahren Sie mehr unter cognizant.ai oder @cognizant.

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