Software Engineer II - Cloud & Data Platform

Essential Software Inc; Rockville (MD); Hybrid; USD 80,000 - 125,000; Full time

Job summary

Essential Software Inc. in Rockville, MD, is seeking a Software Engineer II to join a government-contracted environment supporting the Frederick National Lab and NCI.

Hybrid work arrangements apply with periodic travel to client sites; the role emphasizes collaboration, code quality, and evolving best practices. The candidate will design and implement Web 2.0 systems using a broad tech stack, mentor teammates, and engage in testing, validation, and documentation while ensuring alignment with

Qualifications

• Bachelor's degree in Computer Science or related field.
• 5+ years of experience in the responsibilities described.
• Experience designing, developing, and delivering Web 2.0 systems using HTML/HTML5, Java, JavaScript, ReactJS, AngularJS, Bootstrap, Node.js, Docker, SQL, CSS, OOP, Python, and AWS Core Services.
• AWS Cloud Practitioner certification.
• Excellent verbal and written communication skills, including experience working directly with customers to discuss their requirements and objectives.

Responsibilities

• Collaborate with other developers and test engineers to produce high-quality software that delivers business value and follows established standards and processes.
• Independently develop, code, modify, test, and debug application programs with minimal guidance.
• Serve as a trusted code reviewer for peers and help evolve documented best practices for testing and validation.
• Independently emulate the style and architecture of the existing codebase and write clear technical design documents for your own projects.
• Integrate existing software into new or modified systems or operating environments.
• Set milestones, break work into tasks, and participate in retrospectives; present technical design and project progress to the team.
• Work with business users to develop and implement acceptance tests to ensure the product meets customer requirements.
• Monitor application performance and troubleshoot production problems.
• Create and maintain technical documentation and contribute to team-level documentation.
• Mentor and support junior team members as needed; participate in and occasionally present at technical forums such as brown bags or design reviews.
• Use approved AI tools independently to support research, implementation, and documentation — critically evaluating AI-generated outputs for correctness before use and sharing effective prompts and workflows with teammates.
• Proactively communicate the status of your work, risks, and blockers to the team and stakeholders.
• Implement recommendations for improving documentation and software development process standards and actively engage in process improvement initiatives.

Skills

Excellent communication

Team collaboration

Problem solving

Education

Bachelor's degree in Computer Science or related field

AWS Cloud Practitioner certification

Tools

HTML/HTML5

Java

JavaScript

ReactJS

AngularJS

Bootstrap

Node.js

Docker

SQL

CSS

OOP

Python

AWS Core Services

Job description

Essential Software Inc. in Rockville, MD, is seeking a Software Engineer II to join a government-contracted environment supporting the Frederick National Lab and NCI.

Hybrid work arrangements apply with periodic travel to client sites; the role emphasizes collaboration, code quality, and evolving best practices. The candidate will design and implement Web 2.0 systems using a broad tech stack, mentor teammates, and engage in testing, validation, and documentation while ensuring alignment with