Sr. Software Developer / Sr. Application Developer

Leidos; United States; Remote; USD 89,000 - 163,000; Full time

Job summary

An innovative firm is seeking a Full Stack Software Developer to support mission-critical applications. This role involves system development and integration using data science across various platforms. The ideal candidate will possess extensive knowledge in high-level programming languages and web development, with a strong emphasis on Agile methodologies. You'll have the opportunity to design and deploy software while working in a dynamic environment that values adaptability and technical expertise. If you're ready to take on exciting challenges and contribute to impactful projects, this is the role for you!

Qualifications

• 8 years of experience in software engineering or 12 years without a degree.
• Active Secret or TS/SCI clearance depending on work location.

Responsibilities

• Design, build, test, and deploy software upgrades and modifications.
• Troubleshoot software and system issues within an Agile Scrum team.

Skills

Java

JavaScript

Angular

Node.js

ReactJS

C#

CSS

HTML/XHTML

REST APIs

JSON

SOAP

Troubleshooting

Problem-solving

Education

BS Degree

12 years experience without a degree

Tools

Docker

Kubernetes

GIT/SVN

PostgreSQL

JIRA

Confluence

VBOX

VM

Oracle

Job description

Description

Leidos is seeking a Full Stack Software Developer with a current TS-SCI Clearance in Key West, FL or as a remote worker. The role involves supporting mission-critical applications and capabilities, requiring system development, updates, and integration using data science to manage multiple datasets across various platforms. Candidates should have extensive knowledge of high-level programming languages, web development, and low-level languages, with leadership skills highly desired.

We are looking for a technical, self-motivated Application Developer who is versatile and adaptable to changing priorities from multiple clients. Candidates must be comfortable working in an Agile Scrum environment.

Primary Responsibilities

1. Design, build, test, and deploy software upgrades and modifications.
2. Troubleshoot software and system issues within an Agile Scrum team.
3. Recommend environment and process upgrades based on technical expertise.
4. Implement updates for COTS and third-party products.

Basic Qualifications:

• BS Degree with 8 years of experience or 12 years of experience without a degree.
• Active Secret clearance for remote work or TS/SCI clearance for onsite work.
• Experience in software engineering with Java, JavaScript, Angular, Node.js, ReactJS, C#, CSS, HTML/XHTML, Loopback.
• Experience with REST APIs, JSON, SOAP.
• Experience with Docker and Kubernetes.
• Experience with version control systems like GIT/SVN.
• Experience with PostgreSQL.
• Experience with JIRA and Confluence.
• Experience setting up and working with virtual environments (VBOX, VM, Oracle).
• Experience with Windows, Solaris/Linux OS, including scripting and command line.
• Strong troubleshooting and problem-solving skills, including debugging.

Preferred Qualifications:

• TS/SCI clearance for on-site work.
• Experience with mission-critical applications in operational environments.
• Experience with AI/ML development.
• Experience with SAFe Agile or other Agile methodologies.
• Experience with Subversion and JIRA.
• Experience with cloud architecture and application migration to the cloud.

Original Posting:

April 30, 2025

For U.S. positions, the job is expected to remain open for at least 3 days, with a close date no earlier than 3 days after posting.

Pay Range:

Pay Range $89,700.00 - $162,150.00

Note: The pay range is a general guideline and not a guarantee of compensation. Factors such as responsibilities, education, experience, skills, internal equity, market data, and applicable laws will influence the final offer.

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