Principal Java Architect – Cloud, Microservices & Leadership

Tkxel; Lahore; On-site; PKR 41,551,000 - 58,172,000; Full time

Job summary

Tkxel is seeking a highly experienced Principal Java Engineer to lead design and development of scalable, secure enterprise applications in Reston, VA. You will own architecture decisions, mentor engineers, and drive standards for performance and reliability.

Ideal candidates will have 10+ years in Java-based development, deep Spring Boot expertise, and a strong track record in microservices, cloud platforms, and distributed systems.

Qualifications

• 10+ years of professional software engineering experience, primarily in Java-based application development.
• Strong expertise in Java 17+ and modern Java features.
• Extensive hands-on experience with Spring Boot, Spring Framework, and Spring Security.
• Strong experience designing and implementing microservices and distributed systems.
• Expertise in REST APIs, API security, and enterprise system integrations.
• Strong understanding of object-oriented programming, design patterns, SOLID principles, and clean architecture.
• Experience with relational databases such as PostgreSQL, MySQL, or Oracle, and familiarity with NoSQL databases.
• Hands-on experience with messaging technologies such as Kafka or RabbitMQ.
• Strong understanding of concurrency, multithreading, JVM internals, memory management, and performance optimization.
• Experience with Docker, Kubernetes, and cloud platforms such as AWS, Azure, or GCP.
• Familiarity with CI/CD tools, automated testing frameworks, and application observability.
• Strong understanding of security, scalability, resilience, and fault-tolerant system design.
• Excellent communication, problem-solving, and technical leadership skills.

Responsibilities

• Lead the architecture, design, and development of complex, enterprise-grade applications using Java and Spring Boot.
• Define and implement scalable, reliable, and secure microservices and distributed systems.
• Drive technical strategy, architecture standards, coding best practices, and engineering guidelines.
• Provide technical leadership and mentorship to senior engineers and development teams.
• Review code, guide design discussions, and ensure high standards of code quality, performance, and maintainability.
• Design and optimize RESTful APIs and system integrations.
• Lead database design, query optimization, and data-access strategies.
• Drive performance tuning, troubleshooting, and root-cause analysis for complex production issues.
• Collaborate with Product, Architecture, DevOps, QA, and other stakeholders to translate business requirements into technical solutions.
• Lead cloud-native application development and deployment on AWS, Azure, or GCP.
• Establish and improve CI/CD pipelines, automated testing, monitoring, and observability practices.
• Evaluate emerging technologies and recommend improvements to the engineering ecosystem.

Skills

Java

Spring Boot

Microservices

Cloud

Distributed systems

Technical leadership

Architectural decisions

Tools

Docker

Kubernetes

AWS

Azure

GCP

Job description

Tkxel is seeking a highly experienced Principal Java Engineer to lead design and development of scalable, secure enterprise applications in Reston, VA. You will own architecture decisions, mentor engineers, and drive standards for performance and reliability.

Ideal candidates will have 10+ years in Java-based development, deep Spring Boot expertise, and a strong track record in microservices, cloud platforms, and distributed systems.