Senior Java / Perl Developer

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.

关于高知特 (Cognizant)
高知特(Cognizant)（纳斯达克代码：CTSH）作为一家AI Builder和相关技术服务提供商，致力于通过打造全栈AI解决方案，帮助企业将人工智能投资转化为实际价值。公司凭借深厚的行业经验、流程优化和工程技术专长，将企业独特的业务场景融入科技系统，赋能组织释放人才潜能，推动切实成果，并帮助全球企业在瞬息万变的环境中保持领先。如需了解更多详情，敬请访问 cognizant.ai 或关注@cognizant。

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