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Advantedge

Java Full Stack Engineer(POS/Payment Gateways) - W2 contract

Advantedge, Seattle, Washington, us, 98127


Title:

Java Full Stack Engineer(POS/Payment Gateways) - W2 contract Work Location: Seattle, WA, 98101 Duration: 9 Months Job Type: Hybrid Work Type: Onsite Pay Rate: $70-70$/hr. Job Description: Duties: We are seeking an Engineer 2 to join our POS+ team. This role is an excellent opportunity for a skilled full-stack engineer to develop the systems to shape the future of our modern Point-of-Sale system at scale. You will work across a distributed system and a network of devices, contributing to large-scale frontend web application with distributed microservices development that enhances the in-store experience. Skills: Backend Development: Design, develop, and maintain RESTful microservices using Java 8+ and Spring Boot, deploying to Kubernetes in the cloud. Frontend Development: Build highly responsive and scalable web applications using React.js, JavaScript/TypeScript, and CSS, enhancing the point-of-sale user experience. AWS Multi-Region Deployment: Architect and implement solutions leveraging AWS multi-region capabilities to ensure high availability, scalability, and disaster recovery. System Thinking: Consider how your code behaves in production, focusing on maintainability, testability, and supportability. Design and Prototyping: Lead the design and prototyping of solutions, setting the path and standards for the team. Telemetry and Monitoring: Implement monitoring solutions to proactively detect and address potential issues before they impact customers. On-Call Support: Participate in a scheduled on-call rotation to ensure system reliability and customer satisfaction. Collaboration: Work closely with cross-functional teams, mentor junior engineers, and contribute to a culture of continuous improvement. Delivery and Quality: Consistently deliver valuable features and address design or architectural deficiencies. Education: As an Engineer 2, Ideal candidates should be able to demonstrate the skills Technology Understanding & Programming (Must be very Strong) In-depth knowledge of Java 8+, Spring Boot, React.js, JavaScript/TypeScript, and CSS. Proficiency with Docker, Kubernetes, and Git. Experience with API development, API Gateway & load balancer configurations, and microservice patterns. Experience with AWS services (e.g., RDS, ECS, EKS, DynamoDB). Strong understanding of AWS multi-region architectures, including setting up services across multiple AWS regions for high availability and disaster recovery. Preferred to have, Experience with global load balancing, data replication strategies, and failover mechanisms in a multi-region setup. Familiarity with AWS services like Route 53, CloudFront, Global Accelerator, and how they facilitate multi-region deployments. Knowledge of data consistency models and synchronization across regions, including eventual consistency and conflict resolution strategies. Experience with Kafka, and NoSQL databases. Design Skills: Ability to apply appropriate design patterns and principles (e.g., SOLID, CQRS, eventual consistency). Preferred experience in designing for performance, scalability, and distributed architecture. Proficient in modeling problem domains and anticipating future changes. Development Practices: Advocate for automation in testing, deployment, and security scanning. Experience building and optimizing CI/CD pipelines. Strong understanding of test-driven development (TDD) and comfortable with the TDD cycle. Infrastructure Knowledge: Ability to automate and build Infrastructure as code with Terraform scripts. Proficient with multiple operating systems and scripting techniques. Expertise in one or more databases and understanding of various data storage paradigms. Security Awareness: Commitment to writing secure code by default. Experience with security tools and practices, including deep security probes and server hardening. Soft Skills: Strong leadership in group discussions, design sessions, and presentations. Proven ability to mentor and develop team members. Excellent collaboration skills with the ability to drive value with product owners. Innovative mindset with the ability to evaluate and introduce new tools and methodologies. Certifications & Licenses: Proficiency with Docker, Kubernetes, and Git.