Application Developer

Application DeveloperTrillium Professional is now seeking Application Developer in Oklahoma City!Pay rate is $70/hour. This is a remote position with occasional in-person attendance may be required for meetings or project activities. Candidates should be able to accommodate project meetings and collaboration during standard business hours.This is a long-term application development opportunity supporting a multi-year modernization program. We are seeking Application Developers to join a multi-year application modernization initiative focused on replacing legacy systems with a modern, cloud-based technology environment.The developers will be responsible for designing, developing, enhancing, testing, documenting, and maintaining modern applications and integrations. The role will work closely with business analysts, technical teams, testers, project managers, and other stakeholders to deliver secure, reliable, and maintainable software.The ideal candidate will have strong experience with C#,.NET, Web API, Angular 16+, SQL, Azure DevOps, and Git, along with a solid understanding of modern software development practices and Agile methodologies.Key Responsibilities:Application Development -Design, develop, enhance, and maintain application components based on functional and technical requirements.Develop maintainable, scalable, secure, and production-ready software.Write clean, efficient, and well-structured code using C# and.NET.Develop and maintain web applications using Angular 16+.Develop RESTful APIs and system integrations using Web API.Develop database queries, procedures, and application integrations using SQL.Build application interfaces, integrations, and automation workflows.Translate technical specifications and business requirements into working software.Participate in application modernization and legacy system replacement activities.Software Development Lifecycle:Follow established SDLC processes and development standards.Work within Agile development methodologies and established project processes.Participate in sprint planning, backlog refinement, daily stand-ups, reviews, and retrospectives as required.Work with business analysts and product owners to understand requirements and user stories.Help refine requirements, acceptance criteria, technical specifications, and implementation approaches.Maintain development tasks and work items in Azure DevOps.Testing & Quality:Develop and execute unit tests to validate application functionality.Identify and resolve defects and technical issues.Perform code reviews and participate in peer review activities.Create and maintain technical and application documentation.Submit pull requests for review and approval.Ensure code meets established quality, security, performance, and maintainability standards.Deliver high-quality software with minimal defects.APIs & Integrations:Design and develop RESTful APIs and system interfaces.Integrate applications with internal and external systems.Develop workflows and automation to improve business processes.Analyze existing integration points and dependencies within legacy and modernized systems.Support troubleshooting and resolution of integration and application issues.Collaboration:Work closely with business analysts, testers, project managers, technical staff, and other developers.Collaborate with stakeholders to understand business requirements and technical constraints.Translate complex technical concepts into clear explanations for technical and non-technical audiences.Participate in technical discussions and contribute to application architecture and design decisions.Manage multiple development tasks while meeting established project timelines.Required Technical Skills Must Have:C# /.NETWeb APIAngular 16 or laterSQLAzure DevOpsGitModern application development frameworks and programming practicesSecure coding principles and practicesREST API development and integrationSDLCAgile development methodologiesRequired Qualifications:Strong experience in application development and software engineering.Experience developing web applications using C#/.NET and Angular.Experience developing and consuming RESTful APIs.Strong SQL and database development experience.Experience using Git for source control and collaborative development.Experience working with Azure DevOps or similar development lifecycle tools.Understanding of application architecture, integration points, and system dependencies.Ability to translate functional and technical requirements into production-ready software.Strong problem-solving and analytical skills.Excellent communication and collaboration skills.Ability to manage multiple priorities and meet established deadlines.Education & Experience:A Bachelor's degree in Computer Science, Management Information Systems (MIS), or a related field with 3–5 years of relevant development experience is preferred.An equivalent combination of education, training, and professional experience may be considered.Candidates with 5–7 years of relevant application development experience are strongly encouraged to apply.Preferred Experience:Experience with Microsoft Azure and Azure-hosted applications.Experience modernizing or replacing legacy applications.Experience working with legacy system architectures, dependencies, and integrations.Experience with enterprise application development.Experience working in Agile development environments.Experience with automated testing and CI/CD practices.Experience developing secure and scalable cloud-based applications.Experience working with complex business rules and highly regulated or business-critical systems.Trillium has been recruiting and placing professionals for over 30 years. From Fortune 100 companies to small businesses, our philosophy remains the same: to achieve excellence by providing quality employees and an uncompromising level of service. We believe in honesty, integrity, and a simple philosophy of providing value to our customers and our employees. We strive to be unsurpassed in the recruitment and placement of quality and skilled professionals. Trillium is an Equal Opportunity Employer.Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for the employers and the California Fair Chance Act.By applying to this job, I agree to receive electronic communications including SMS text and email regarding future opportunities, referral bonus incentives, and other promotions from Trillium. You may opt out at any time from future communications by responding STOP to any electronic communication. You may view our full privacy policy at offers a comprehensive benefit package that includes the ability to participate in health insurance and retirement plans, paid holidays, state required leave, and other leave, if applicable. Trillium's offerings are dependent on the state in which the assignment is located, length of time worked, and may change depending on assignment. Benefit packages for direct hire placements vary based on the client company.Contact Us if you have any questionsContactSean Archard(248) 237-3127Have a question about this job?