We're looking for a Senior **Backend Software Engineer** with strong hands-on experience across both Java and Node.js to support backend and microservice development for our client. You'll work on REST APIs and distributed backend systems deployed in a cloud-native, containerized environment, collaborating closely with engineers, technical leads, and product managers across multiple teams. This role requires someone who can move comfortably between Java/Spring and JavaScript/Node.js codebases, has a solid grounding in computer science fundamentals and distributed systems, and takes ownership of issues from identification through resolution with minimal supervision. This is a** full-time remote **position.The annual base salary range is **$120,000 - $140,000**. Candidates will be paid within this range based on their work experience and skills. Candidates are also eligible for our full list of benefits linked here. Responsibilities - Design, develop, and maintain backend services and REST APIs using Java, Spring Framework/Spring Boot, and Node.js - Build and support containerized microservices deployed on AWS, including Kubernetes/EKS environments - Apply asynchronous, reactive, or functional programming patterns where appropriate across both Java and JavaScript codebases - Troubleshoot complex backend and distributed-system issues, performing root-cause analysis and driving fixes through to resolution - Work with Infrastructure as Code (Terraform preferred) and CI/CD pipelines (GitHub Actions, Concourse, Jenkins, or similar) to support deployment and delivery - Design and implement integrations with SQL and NoSQL databases - Participate in code reviews, sprint planning, technical discussions, and troubleshooting sessions - Proactively identify and escalate blockers, risks, and dependencies rather than waiting for others to surface them - Take ownership of production issues, coordinating resolution across internal and partner teams - Communicate technical issues, risks, and proposed solutions clearly to both technical and non-technical stakeholders Qualifications Java / Backend Development - Strong hands-on Java experience with Spring Framework/Spring Boot - Experience designing REST APIs and backend microservices - Solid grasp of OOP, software design principles, and backend architecture - Familiarity with asynchronous, reactive, or functional programming - Ability to troubleshoot complex backend and distributed-system issues JavaScript / Node.js - Hands-on Node.js backend experience, including async patterns and frameworks like Express.js - Comfortable working across both Java and Node.js codebases Cloud / Infrastructure - Strong AWS experience (or comparable cloud platform) - Experience with containerized applications and Kubernetes (EKS preferred) - Familiarity with Terraform/IaC and CI/CD tools (GitHub Actions, Jenkins, or similar) - Comfortable in Linux environments CS Fundamentals - Strong grounding in data structures/algorithms, concurrency, distributed systems, and system design - JVM and memory management fundamentals - Database fundamentals (SQL and NoSQL) Communication & Ownership - Strong communicator across engineering, product, and cross-team stakeholders - Proactively surfaces blockers and risks rather than waiting to be asked - Owns issues end-to-end, including production incidents, with minimal supervision Additional Information