PureIntegration

Senior Backend Software Engineer (Java/Node.JS)

PureIntegration$80K — $100K *
US-AnywhereRemote in Reston, VA
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of hands-on experience in Java with Spring Framework/Spring Boot.
  • Experience with backend microservices and REST API design.
  • Strong knowledge of OOP, software design principles, and backend architecture.
  • Familiarity with asynchronous, reactive, or functional programming concepts.
  • Hands-on Node.js experience, including async patterns and Express.js framework.
  • Solid AWS experience or equivalent cloud platform proficiency.
  • Strong understanding of data structures/algorithms and system design.

Responsibilities

  • Design and maintain backend services and REST APIs using Java and Node.js.
  • Build and support containerized microservices on AWS, particularly Kubernetes/EKS.
  • Utilize asynchronous and functional programming patterns in Java and JavaScript codebases.
  • Perform root-cause analysis on backend and distributed system issues and drive fixes.
  • Support deployment through Infrastructure as Code tools like Terraform and CI/CD pipelines.
  • Develop integrations with both SQL and NoSQL databases.
  • Engage in code reviews and technical discussions to enhance project quality.

Benefits

  • Flexible full-time remote work arrangement.
  • Access to comprehensive benefits package including health insurance and retirement plans.
  • Opportunities for professional development and continuous learning.
Full Job Description


Job Description

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 $80,000 - $100,000. 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

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