Java/.NET Developer- mostly backend
inSync Staffing, Greenwood Village, CO, United States
JOB TITLE: Java/.NET Developer
LOCATION: Colorado Springs, CO
INDUSTRY: Financial
JOB SUMMARY:
Theoris is looking for someone to develop, support and potentially lead technical aspects of a project for this onsite role in Greenwood, Village. The ideal candidate is proficient in Java, Spring/Spring Security/Spring Boot, SQL, as well as being familiar with JavaScript, CSS, and HTML. 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#. This role will start out mainly in Java and they will be responsible for getting other team members up to speed on C# and the .Net framework. The work will eventually transition into more C#, .Net project work as we bridge the gap between our legacy applications and our cloud modernization effort.
REQUIREMENTS:
6+ years of back-end development experience in Java and C#/.net core, MVC
Experience with Spring/Spring Boot/Spring Security
5+ years of API development experience (REST)
Working knowledge of SQL Server, Entity Framework, LINQ
Familiarity with Azure (App Services, Functions, Storage, Key Vault)
Knowledge of OOP, SOLID principles, and design patterns
Proficiency with Git and CI/CD
Excellent debugging and problem-solving skills
DESIRED:
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
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
***For this position the person may need to get a government clearance, therefore open to US Citizen and Greencard Holders. Only W2/hourly. No C2C.
About Theoris:
Our goal is to Fuel Your Career! As a Theoris team member, you join a culture based on people-centered values and an environment that fosters both personal and professional growth. We build long-term relationships with our clients and our consultants. With over 30 years of building strong relationships in the industry, we're uniquely positioned to make the right connections. This knowledge is used to find the right job placement. Our recruiting teams are experts dedicated to the information technology and engineering staffing space and are highly respected by our client base.
LOCATION: Colorado Springs, CO
INDUSTRY: Financial
JOB SUMMARY:
Theoris is looking for someone to develop, support and potentially lead technical aspects of a project for this onsite role in Greenwood, Village. The ideal candidate is proficient in Java, Spring/Spring Security/Spring Boot, SQL, as well as being familiar with JavaScript, CSS, and HTML. 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#. This role will start out mainly in Java and they will be responsible for getting other team members up to speed on C# and the .Net framework. The work will eventually transition into more C#, .Net project work as we bridge the gap between our legacy applications and our cloud modernization effort.
REQUIREMENTS:
6+ years of back-end development experience in Java and C#/.net core, MVC
Experience with Spring/Spring Boot/Spring Security
5+ years of API development experience (REST)
Working knowledge of SQL Server, Entity Framework, LINQ
Familiarity with Azure (App Services, Functions, Storage, Key Vault)
Knowledge of OOP, SOLID principles, and design patterns
Proficiency with Git and CI/CD
Excellent debugging and problem-solving skills
DESIRED:
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
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
***For this position the person may need to get a government clearance, therefore open to US Citizen and Greencard Holders. Only W2/hourly. No C2C.
About Theoris:
Our goal is to Fuel Your Career! As a Theoris team member, you join a culture based on people-centered values and an environment that fosters both personal and professional growth. We build long-term relationships with our clients and our consultants. With over 30 years of building strong relationships in the industry, we're uniquely positioned to make the right connections. This knowledge is used to find the right job placement. Our recruiting teams are experts dedicated to the information technology and engineering staffing space and are highly respected by our client base.