Lead Java Engineer - Saint Louis, Missouri 2nd Stage

5 Star Recruitment; St. Louis (MO); On-site; USD 120,000 - 150,000; Full time

Job summary

A leading tech recruitment firm based in St. Louis, Missouri is seeking a Lead Java Engineer with expertise in microservices and cloud-native development. The role involves leading design and architecture discussions, mentoring team members, and ensuring high-quality code delivery. Candidates should have over 7 years of experience, strong knowledge in Java and AWS, and a proven track record in guiding cross-functional teams. This opportunity offers a dynamic work environment focused on innovation and collaboration.

Qualifications

• 7+ years in microservices-based cloud-native development.
• 3+ years leading technical teams.
• Hands-on experience with modern Java applications.
• Proficient in AWS services (EKS, EC2, S3, etc.).
• Strong verbal and written communication skills.

Responsibilities

• Lead design and development of cloud-native applications.
• Mentor team members and participate in hiring.
• Define best practices for development and testing.
• Ensure secure database interactions and optimization.
• Conduct technical reviews and refactoring.

Skills

Microservices

Cloud-native development

Java

AWS

Spring Boot

Kafka

DevOps

TDD/DDD

Relational databases

RESTful APIs

Tools

Jira

JUnit

Docker

Kubernetes

Job description

Lead Java Engineer – Saint Louis, Missouri 2nd Stage

Job Openings Lead Java Engineer – Saint Louis, Missouri 2nd Stage

About the job – Lead Java Engineer – Saint Louis, Missouri 2nd Stage

• Lead, design, develop and test Web and Cloud-native applications and work with fellow Software Engineers and Product Managers to navigate the discussion and strategy in architecting web and cloud platforms
• Own end-to-end architectural assessments and delivery of our client platforms
• Define, architect and break out epics/features for others, while maintaining a sense of the whole picture
• Work in a cross-functional agile team to deliver working software incrementally
• Help with the growth of the Cloud Practice by collaborating on the interviewing pipeline, hosting tech talks and workshops, identifying industry trends to discuss, and participating in practice activities
• Mentor the less-experienced members of the team, interview potential engineers for your own and other teams, have an opportunity to help influence the direction of the project, and showcase your technical skills and knowledge in company tech talks
• Research and adopt new programming languages, frameworks, and libraries to enhance development speed and security
• Maintain a deep understanding of language-specific coding bugs, smells, and vulnerabilities
• Continuously update code scanning profiles to minimize technical debt and ensure high-quality code

Development Practices

• Define, document, and coach the team on best practices for development, including branching strategies, peer reviews, library usage, logging, and error handling
• Champion test-driven development (TDD) to maintain robust and reliable software
• Enforce coding guidelines and scanning rules across the project to ensure consistency and maintainability

Patterns and Frameworks

• Conduct technical reviews of application code and dependencies to identify anti-patterns and drive continuous refactoring
• Promote the use of design patterns and architectural best practices in a microservices environment

Technical Leadership

• Design and develop microservices using hexagonal architecture principles
• Build and maintain RESTful APIs, ensuring secure and efficient communication
• Implement and manage asynchronous messaging systems using Kafka for inter-service communication

Database Management

• Ensure secure, reliable, and efficient database interactions
• Oversee schema design, query optimization, and data migration strategies

What You Bring To The Table

• 7+ years of professional experience in microservices-based cloud-native development within an enterprise-level domain
• 3+ years of experience leading teams
• Strong hands-on experience architecting and implementing modern Java-based applications. Advanced features like lambda expressions, Stream API, CompletableFuture, Virtual Threads, Concurrency APIs etc. Java 21 experience preferred.
• Experienced with implementing Microservices using Spring Boot, Spring Webflux, Starter Web, JPA, Spring Security, Spring Boot, Actuator Kafka, Redis
• 2+ years with AWS Experience (EKS, EC2, S3, RDS, SQS, SNS, DynamoDb, Lambda)
• Experience with Restful APIs and hexagonal architecture
• Knowledge of relational database systems ex. RDS (Oracle) or Oracle on Amazon EC2
• Experience using container & serverless architectures (Docker, Kubernetes, AWS Lambda, AWS ECS)
• Proficient with Test Driven and Domain Driven Development (TDD / DDD), including using automated test frameworks (e.g., JUnit, Cypress, WireMock, PowerMock, ArchUnit)
• You are an experienced user of one or more Application Lifecycle Management tools (e.g., Jira)
• Experienced with DevOps creating CI/CD tools and pipelines
• Solid verbal and written communication and consultant/client-facing skills are a must. As a true consultant, you are a self-starter who takes initiative

Required Citizenship / Work Permit / Visa Status

US Citizens/Green card holders

Must-Haves

• Coding - Core and Advance Java tech stack (JDK8 or higher)
• Spring boot, relational database
• Kafka
• AWS
• Microservices
• Practical experience with various test coverage like unit testing, functional testing, integration testing and contract testing

Strict NO's

• No Poach - Mastercard
• Education from JNTU, Osmania , Anna University