Software Development Engineer-Java

Software Development Engineer-Java (Onsite or Remote)

Developer

Greenwood Village, Colorado

Contract

Jul 7, 2026

No visa sponsorship is available for this opportunity!

C2C or 1099 not available for this opportunity!

Candidates MUST be on Prominent payroll as a W2 employee.

Prominent is looking for a Software Development Engineer for a contract to hire opportunity. Candidates based within a commute to our client’s office in either Greenwood Village, Colorado, Berkeley Heights, NJ, or Omaha, Nebraska fully onsite will be given preference but Remote is an option for those outside of those locations! This role will start out mainly in Java but move toward C#/.Net as our client bridges the gap between legacy applications and their Azure cloud modernization effort. This position will be responsible for getting other team members up to speed on C# and the .Net framework.

The Software Development Engineer designs, develops, tests, installs, and maintains systems, applications, networks, and/or telecom and related processes to meet the functional objectives of the business. They will support existing systems and may be responsible for leading technical aspects of a project.

The ideal candidate is proficient in Java JDK 21 for compiling and Java 8 for output, Spring/Spring Security/Spring Boot, SQL, as well as being familiar with JavaScript, CSS, and HTML elements. They will also need to have experience with .NET Development and is responsible for designing, developing, testing, and maintaining applications built on Microsoft’s .NET framework using languages such as C#, VB.NET, and F#.

Key Responsibilities

Design, build, and maintain applications using Java, Spring/Spring Boot/Spring Security as well as C#, .NET Framework, .NET Core, or .NET 6/7+

Develop RESTful APIs, microservices, and backend services

Integrate applications with databases using Entity Framework (EF) / EF Core and SQL Server

Collaborate with cross-functional teams using Agile/Scrum methodologies

Write clean, maintainable, and scalable code following industry best practices

Conduct code reviews, troubleshoot issues, and perform performance optimizations

Maintain and enhance CI/CD pipelines using tools such as GitHub Actions, Azure DevOps, etc.

Ensure application security using best practices such as authentication, authorization, and OWASP guidelines

Create documentation and participate in architectural discussions

Required Skills & Qualifications

6+ years of back-end development experience

Strong proficiency in Java(JDK 21 & Java 8) as well as C# and the .NET ecosystem

Experience with Spring/Spring Boot/Spring Security

Experience with ASP.NET Core, MVC, and Web API

Working knowledge of SQL Server, Entity Framework, LINQ

Experience with Sonatype, Fortify, and Web Inspect

Experience with unit testing (xUnit, MSTest, NUnit)

Strong understanding of REST architecture

Proficiency with Git and CI/CD

Excellent debugging and problem‑solving skills

Preferred Qualifications

Experience with microservices architecture

Knowledge of Docker and containerized deployments

Exposure to Blazor, React, or Angular

Experience with message brokers like Azure Service Bus, RabbitMQ, or Kafka

Anticipated rate while on contract will be within a range of $63-70/hr.