Sr. Application Developer SME

Bigbear.ai; Washington (District of Columbia); Hybrid; USD 180,000 - 210,000; Full time

Job summary

BigBear.ai seeks a Senior Application Developer to support the Defense Intelligence Agency in Washington, DC, with hybrid SCIF work. You will modernize legacy systems, add features, and ensure coexistence with newer architectures.

You will lead core services, mentor junior developers, and tackle complex problems with high impact on mission software. Requires TS/SCI with polygraph and a strong background in TypeScript/Node.js stacks.

Qualifications

• Must have TS/SCI clearance with polygraph.
• Master’s degree with 8+ years of application or software development experience or Bachelor’s degree with 10+ years of experience as a substitute to a Master’s degree.

Responsibilities

• Provide senior-level development for legacy and existing systems, building new features, enhancements, and bug fixes.
• Lead as Foundational Services SME and mentor two mid-level developers; manage complex assignments with limited oversight and deliver solutions across diverse projects.

Skills

TS/SCI clearance

Polygraph

8+ years software development

Node.js with TypeScript

Distributed systems

Education

Master’s degree in CS/Engineering/related field

Bachelor’s degree in CS/Engineering

Tools

Node.js

TypeScript

SQL

PostgreSQL

Redis

ElasticSearch

MongoDB

Docker

OpenShift

NestJS

Express

Jest

GitLab CI Pipelines

Job description

Residency

All applicants must currently reside in the United States

Overview

BigBear.ai is seeking a Sr. Application Developer to support the Defense Intelligence Agency (DIA). You will be joining our amazing BigBear.ai team to provide development for legacy and existing systems whether it’s building out new features, enhancements, or bug fixes and adding features that will allow our successor system to integrate with older legacy systems so that both systems can co-exist.

This position will be based out of Washington, D.C. and will require hybrid SCIF support.

What you will do

As a Senior-Level Application Developer, you will serve as the Foundational Services SME and provide training/support to two mid-level developers.

Some of your duties will require you to independently manage multiple complex work assignments with minimal oversight and review. Assignments may be broad in nature, requiring originality and innovation in determining how to accomplish tasks. Operates with appreciable latitude in developing methodology and presenting solutions to problems. Contributes to deliverables and performance metrics where applicable. Applies a comprehensive knowledge across key tasks and high impact assignments. Plans and leads major technology assignments. Evaluates performance results and recommends major changes affecting short-term project growth and success. Functions as a technical expert across multiple project assignments. May supervise others.

What you need to have

• TS/SCI clearance with a polygraph.
• Master’s degree and 8+ years of experience with application or software development with least a portion of the experience within the last 2 years or Bachelor’s degree and 10+ years of experience with application or software development as a substitute to a Master’s degree.

• Tech Stack: TypeScript, Angular, Node, NestJS, Express Servers, Jest, MongoDB, PostgreSQL, Redis, ElasticSearch, GitLab CI Pipelines, Docker, OpenShift.
• Experience: classification rollup and NTK handling programmatically; cross-domain transfer processes (high to low); reviewing server logs and consoles to triage and debug onsite. This is foundational services role that services all EPD applications.
• Mandatory: experience with Node.js with Typescript, SQL, PostgreSQL, Redis, ElasticSearch

What we'd like you to have

• Highly Desired: JSON, Java, Java Script, SharePoint, XML, VBAs, Oracle, MongoDB, Solr, SQL, Open AI, other AI technologies
• Experience creating solutions to complex problems within a collaborative, cross-functional team
• Ability to work with automated testing tools to perform testing and maintenance

Pay transparency

Please note the targeted compensation range is provided as an estimate, and any actual compensation offer may vary depending on the needs of the company, or an applicant's skillset, competencies, experience, education, certifications, location, or other factors. The estimated range does not include the value of any benefits offered.

About BigBear.ai

BigBear.ai is a leading provider of AI-powered decision intelligence solutions for national security, supply chain management, and digital identity. Customers and partners rely on Bigbear.ai’s predictive analytics capabilities in highly complex, distributed, mission-based operating environments. Headquartered in McLean, Virginia, BigBear.ai is a public company traded on the NYSE under the symbol BBAI. For more information, visit https://bigbear.ai/ and follow BigBear.ai on LinkedIn: @BigBear.ai and X: @BigBearai.

BigBear.ai is an Equal opportunity employer all protected groups, including protected veterans and individuals with disabilities.