Senior Software Development Engineer – Full Stack (Java/Spring Boot/React/AWS)

Role overview

We are seeking an experienced Senior Software Development Engineer to design, develop, and support scalable enterprise applications and distributed systems. This role focuses on full-stack development using Java, Spring Boot, React, AWS, and modern cloud-native technologies to deliver high-performance, reliable, and secure solutions.

This position is based in Bellevue, Washington and is on-site. It is not available as a remote role.

Key responsibilities

• Design and develop backend applications, APIs, and microservices using Java, Spring Boot, and Spring Framework.
• Build responsive and modern user interfaces using React and TypeScript.
• Design, develop, and integrate REST APIs and distributed services.
• Develop and operate scalable, highly available applications on AWS.
• Collaborate with architects, product managers, and engineering teams on application design and implementation.
• Troubleshoot application, integration, and production issues while improving performance and reliability.
• Develop automated unit and integration tests and participate in code reviews and design reviews.
• Support application security, scalability, observability, and operational excellence.
• Build and maintain CI/CD pipelines and containerized deployment processes.
• Provide technical leadership, mentor team members, and promote engineering best practices.

Required skills & qualifications

• 8+ years of software engineering experience in enterprise application development.
• Bachelor's degree in Computer Science, Engineering, or equivalent practical experience.
• Strong hands-on experience with Java, Spring Boot, and Spring Framework.
• Strong frontend development skills using React and TypeScript/JavaScript.
• Strong understanding of concurrency, asynchronous processing, scalability, resiliency, and performance optimization.
• Strong analytical, problem-solving, troubleshooting, and communication skills.
• Experience developing REST APIs, microservices, and distributed systems.
• Experience with Netty.io and asynchronous or event-driven application development.
• Experience with Protocol Buffers (Protobuf) and efficient data serialization techniques.
• Hands-on experience developing, deploying, and supporting applications on AWS.
• Experience with AWS services such as EC2, ECS, EKS, RDS, S3, SQS/SNS, Lambda, and CloudWatch.
• Experience with SQL databases and familiarity with NoSQL technologies.
• Experience with Git, CI/CD pipelines, and modern software engineering best practices.
• Experience with Docker, Kubernetes, and Amazon EKS.
• Experience with Kafka or other event-driven architectures is a plus.
• Experience with monitoring, logging, observability platforms, and production troubleshooting.
• Experience building highly available, scalable enterprise applications and distributed systems.
• Experience in Telecom, IoT, AI platforms, Energy, Utilities, or other large-scale distributed environments is preferred.
• Familiarity with Spring Security, OAuth 2.0, JWT, and API security best practices.
• AWS certifications are a plus.

Eligibility

• Candidates must have a valid U.S. work authorization and be eligible to work in the United States without sponsorship.
• This position does not offer employment visa sponsorship, H-1B sponsorship, or visa transfers, now or in the future.
• This position is based in Bellevue, Washington and requires on-site presence. Remote work is not available for this role.