Senior Technical Lead

Job description

Core Java Expertise Strong understanding of Core Java (Java 8 to Java 21+) features and enhancements. Hands-on experience with Java Streams API , Lambda Expressions, Functional Interfaces, and Optional. Strong understanding of Java Collections Framework and performance implications of different collection types. Deep knowledge of Object-Oriented Design Principles (SOLID) , interfaces, abstraction, inheritance, encapsulation, and polymorphism. Expertise in implementing and applying Design Patterns (Factory, Strategy, Singleton, Builder, Observer, etc.) Expertise in Multithreading, Concurrency, Executor Framework, CompletableFuture , and asynchronous processing. Advanced Concepts Strong proficiency in Spring Boot, Spring Data JPA, Spring Security, Spring Cloud components. Secure Coding Practices (OWASP Top 10) Strong understanding of JVM internals, memory management, garbage collection, and JVM performance monitoring. Knowledge of Virtual Threads and modern Java concurrency models. Knowledge of thread safety, synchronization, locking mechanisms, and concurrent collections. Hands-on experience with Apache Kafka-based event-driven architectures and Redis-based distributed caching solutions or similar technologies. Strong expertise in SQL query optimization, indexing strategies, database performance tuning, and troubleshooting. Application Architecture Experience in designing scalable, resilient, and high-performance distributed systems . Strong understanding of Event-Driven Architecture (EDA) and messaging patterns. Experience with SAGA, API Gateway, Circuit Breaker, Retry, and Bulkhead patterns , Service Discovery Security Experience implementing OAuth 2.0, OpenID Connect (OIDC), JWT , and Spring Security. Understanding application security best practices and secure coding standards. Testing & Quality Hands-on experience with JUnit 5 , Mockito, Integration Testing, and Test-Driven Development (TDD). Experience with code quality tools such as SonarQube and static code analysis. Desirable Skills / Good to Have (Added Advantage) Familiarity with cloud-native application development and deployment on OpenShift (OCP), Kubernetes (K8s), and public cloud platforms (AWS/Azure/GCP) is an added advantage. Knowledge of application monitoring and observability tools such as OpenTelemetry , ( ELK , Prometheus , Grafana) Observability & Production Support Experience in log analysis, performance monitoring, and production troubleshooting. Key Responsibilities Core Java Expertise Strong understanding of Core Java (Java 8 to Java 21+) features and enhancements. Hands-on experience with Java Streams API , Lambda Expressions, Functional Interfaces, and Optional. Strong understanding of Java Collections Framework and performance implications of different collection types. Deep knowledge of Object-Oriented Design Principles (SOLID) , interfaces, abstraction, inheritance, encapsulation, and polymorphism. Expertise in implementing and applying Design Patterns (Factory, Strategy, Singleton, Builder, Observer, etc.) Expertise in Multithreading, Concurrency, Executor Framework, CompletableFuture , and asynchronous processing. Advanced Concepts Strong proficiency in Spring Boot, Spring Data JPA, Spring Security, Spring Cloud components. Secure Coding Practices (OWASP Top 10) Strong understanding of JVM internals, memory management, garbage collection, and JVM performance monitoring. Knowledge of Virtual Threads and modern Java concurrency models. Knowledge of thread safety, synchronization, locking mechanisms, and concurrent collections. Hands-on experience with Apache Kafka-based event-driven architectures and Redis-based distributed caching solutions or similar technologies. Strong expertise in SQL query optimization, indexing strategies, database performance tuning, and troubleshooting. Application Architecture Experience in designing scalable, resilient, and high-performance distributed systems . Strong understanding of Event-Driven Architecture (EDA) and messaging patterns. Experience with SAGA, API Gateway, Circuit Breaker, Retry, and Bulkhead patterns , Service Discovery Security Experience implementing OAuth 2.0, OpenID Connect (OIDC), JWT , and Spring Security. Understanding application security best practices and secure coding standards. Testing & Quality Hands-on experience with JUnit 5 , Mockito, Integration Testing, and Test-Driven Development (TDD). Experience with code quality tools such as SonarQube and static code analysis. Desirable Skills / Good to Have (Added Advantage) Familiarity with cloud-native application development and deployment on OpenShift (OCP), Kubernetes (K8s), and public cloud platforms (AWS/Azure/GCP) is an added advantage. Knowledge of application monitoring and observability tools such as OpenTelemetry , ( ELK , Prometheus , Grafana) Observability & Production Support Experience in log analysis, performance monitoring, and production troubleshooting. Skill Requirements Other Requirements Apply now Information at a Glance Why HCLTech? At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first. HCLTech is a global technology company, home to more than 230,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending September 2026 totaled $14.8 billion. Disclaimer Privacy Statement Terms of use Sitemap Raise a Grievance We use cookies on our site. Please read more about cookies policy here. Opens in a new tab. Opens in a new tab. Opens in a new tab. Opens in a new tab. Opens in a new tab. Opens in a new tab. Copyright © 2026 HCL Technologies Limited Cookie Consent Manager When you visit any website, it may store or retrieve information on your browser, mostly in the form of cookies. Because we respect your right to privacy, you can choose not to allow some types of cookies. However, blocking some types of cookies may impact your experience of the site and the services we are able to offer. Required Cookies These cookies are required to use this website and can't be turned off. Required Cookies Required Cookies Provider Description Enabled SAP as service provider We use the following session cookies, which are all required to enable the website to function: "route" is used for session stickiness "careerSiteCompanyId" is used to send the request to the correct data center "JSESSIONID" is placed on the visitor's device during the session so the server can identify the visitor "Load balancer cookie" (actual cookie name may vary) prevents a visitor from bouncing from one instance to another Cookies from provider SAPasserviceprovider are required and cannot be turned off Functional Cookies These cookies provide a better customer experience on this site, such as by remembering your login details, optimizing video performance, or providing us with information about how our site is used. You may freely choose to accept or decline these cookies at any time. Note that certain functionalities that these third-parties make available may be impacted if you do not accept these cookies. Consent to all Functional Cookies Functional Cookies Provider Description Enabled Vimeo Vimeo is a video hosting, sharing, and services platform focused on the delivery of video. Opting out of Vimeo cookies will disable your ability to watch or interact with Vimeo videos. Cookie Policy Privacy Policy Terms and Conditions Consent to cookies from provider Vimeo YouTube YouTube is a video-sharing service where users can create their own profile,