Adelphi, Maryland, United States of America
JOB #R2000963

Cyber Security Software Developer (Full Stack with API Focus)

ICF seeks a motivated Software Developer to craft and extend a variety of application programming interfaces for analytic platforms serving cybersecurity operations. The Software Developer will create, implement, update, and sustain several cyber analysis user interface tools with a heavy reliance on a variety of API mechanisms for current DoD clients.

Working collaboratively with a small development – operations (DevOps) based project team, you will be responsible for several interfaces across a variety of cybersecurity operational capabilities with a focus on data-driven analytics, situational awareness, and agent-based actions.

Key Responsibilities:

Proactively learn product frameworks and code base

Hands on working with ElasticSearch backend, including querying and aggregation for building simple and complex summaries of data

Working with SCALA and JAVA created user interfaces as part of a larger big data analytics type framework supporting cybersecurity operations

Design and implement new API features and functionality, as well as updating current API capabilities based on mission need

Building RESTful API for web single page application/s:

  • Analyzing requirements from clients to derive software design and performance requirements
  • Engineer requirements from clients into new features and functionality
  • Designing and writing new software or existing software to add new features

Debugging existing software and correcting defects

Writing or reviewing software system documentation

Integrating existing software into new or modified systems or operating environments

Test and maintain code base

Adjust to varying development schedules as dictated by project needs

Basic Qualifications:

5+ years of professional experience designing and developing new features or functionality for web-based applications3+ years of API development experience.

Proven experience working across multiple tiers of an application, including backend data store (database, Elasticsearch), network, operating system, and virtual environments.

Proficiency with Scala and Java is a must.

Proficiency with ReactJS, NodeJS, JavaScript.

Proficiency with Elasticsearch API.

Experience with Spring and Play Frameworks.

Understanding of NoSQL databases and JSON.

Experience with application servers (Jetty, etc.).

Experience with Python.

Excellent object-oriented design and programming skills.

Bachelor's degree or Master’s degree in Computer Science or related discipline (or equivalent experience)

Security Clearance required

Preferred Skills:

Strong API Development Skills (especially with SCALA)

Strong Elasticsearch Skills, with hands on experience in querying and aggregation

Strong ReactJS interactive UI Development skills

Experience with Linux-based platforms

Experience working in a collaborative team of application developers and source code repositories

Comfortable working on a AGILE / SCRUM type release schedule

Comfortable working in a full-stack development environment

Relational database experience a plus (SQL, PostgresSQL, etc.)

Familiarity with GitHub and other, open-source algorithm and modeling sources

Working at ICF

Working at ICF means applying a passion for meaningful work with intellectual rigor to help solve the leading issues of our day. Smart, compassionate, innovative, committed, ICF employees tackle unprecedented challenges to benefit people, businesses, and governments around the globe. We believe in collaboration, mutual respect, open communication, and opportunity for growth. If you’re seeking to make a difference in the world, visit to find your next career. ICF—together for tomorrow.

ICF is an equal opportunity employer that values diversity at all levels. (EOE – Minorities/Females/ Protected Veterans Status/Disability Status/Sexual Orientation/Gender Identity)

Reasonable Accommodations are available for disabled veterans and applicants with disabilities in all phases of the application and employment process. To request an accommodation please email and we will be happy to assist. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations. Read more about non-discrimination:  EEO is the law and  Pay Transparency Statement.

Maryland Client Office (MD88)

Who is ICF?

A consulting services company of over 5,000 experts across 67 countries, but not your typical consultants

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