Software Developer

DANE LLC; Chantilly (VA); On-site; USD 75,000 - 95,000; Full time

Benefits offered by this job

401(k)

401(k) matching

Dental insurance

Employee discounts

Health insurance

Paid time off

Tuition assistance

Vision insurance

Wellness resources

Job summary

DANE LLC is seeking a junior to mid-level Software Developer in Chantilly, Virginia, to join our team for refactoring monoliths and building secure REST APIs. The ideal candidate has a bachelor's degree in computer science, experience in .NET and Java, and excellent communication skills. You’ll be part of an agile team contributing to cloud development and DevOps practices, with flexible work-from-home options available.

Qualifications

• Minimum of 3+ years of experience as a Software Developer.
• Minimum of 2+ years’ experience with .NET, Java, MuleSoft.
• Must have exceptional ability to break down complex situations and identify root causes.

Responsibilities

• Implement user stories, fix defects, and refactor legacy codebases.
• Build RESTful services with ASP.NET Core, Spring Boot, or NestJS.
• Write unit, integration, and API tests.

Skills

C#

Java

MuleSoft

Azure DevOps

Docker

Kubernetes

SQL Server

PostgreSQL

Prometheus/Grafana

OpenTelemetry

Education

Bachelor’s degree in computer science or related field

Tools

.NET

REST APIs

ASP.NET Core

Spring Boot

NestJS

MuleSoft Anypoint

Job description

Benefits

• 401(k)
• 401(k) matching
• Dental insurance
• Employee discounts
• Health insurance
• Paid time off
• Tuition assistance
• Vision insurance
• Wellness resources

Overview

At DANE, our ability to retain employees is a testament to how we treat, value, and support our incredibly smart, talented team. We offer aggressive PTO from day one, comprehensive benefits, and learning opportunities to support our employees in being their best. We value curiosity, initiative, and the drive to solve problems. You’ll work in an environment where your insights matter, where learning is encouraged, and where your contributions have a direct impact on the mission and the users we support.

We are seeking a junior to mid-level Software Developer to join our team and help refactor monoliths, build secure REST APIs and microservices, and implement event-driven integrations while learning best practices in cloud, DevOps, and enterprise integration platforms (MuleSoft). This is a hands-on role ideal for early-career developers who thrive in agile teams and want to grow rapidly through real modernization work.

Responsibilities

• Implement user stories, fix defects, and refactor legacy codebases (i.e. .NET/Java) into maintainable modules and microservices.
• Build RESTful services with ASP.NET Core, Spring Boot, or NestJS; document contracts with OpenAPI/Swagger.
• Develop and test MuleSoft Anypoint flows (i.e. System/API/ Process layers); configure connectors, transformations, and error handling.
• Write unit, integration, and API tests (xUnit/NUnit, JUnit, Jest);
• Maintain test data; participate in code reviews. DevOps & CI/CD.
• Contribute to pipelines (Azure DevOps/GitHub Actions), containerize apps with Docker, and assist with Kubernetes deployments.
• Add structured logging, tracing, and metrics (App Insights, OpenTelemetry, Prometheus/Grafana); help troubleshoot incidents.
• Implement OAuth2/OIDC, role-based access, input validation, and secure secrets handling; follow secure coding standards.
• Work with relational databases (SQL Server, Oracle, PostgreSQL); assist in data mapping, migrations, and performance tuning.
• Participate in stand-ups, backlog refinement, sprint reviews/retros; keep work items up to date and well-documented.

Qualifications

• Must have a bachelor’s degree in computer science or related field.
• Must have an Active DOD Secret Clearance
• Minimum of 3+ Years of experience as a Software Developer
• Minimum of 2+ years’ experience with .NET, Java, MuleSoft
• Must have experience with .NET, Java, Oracle Database projects and applications.
• Must have SQL Server, PostgreSQL, and MuleSoft experience.
• Must have ASP.NET , Boot, or NestJS experience
• Experience with Azure DevOps/GitHub Actions, Docker, and Kubernetes
• Must have experience with OpenTelemetry, Prometheus/Grafana
• Must have exceptional ability to break down complex situations and identify root causes for both technical and process-related issues
• Must have strong verbal and written communication skills; ability to articulate technical concepts to non-technical users and collaborate effectively with development teams
• Must have the proven ability to quickly learn new technologies and apply skills in evolving technical environments
• DANE LLC is an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
• Flexible work from home options available.