Senior Software Engineer

CBTS; Schiller Park (IL); On-site; USD 120,000 - 150,000; Full time

Job summary

CBTS is seeking a Senior Full Stack Developer on a contract-to-hire basis to join the enterprise Application Development Team. You will participate in all phases of the product lifecycle, from defining the right solution to delivering and supporting it to scale within an Agile framework.

As a Sr. Software Engineer, you will collaborate with product managers, business analysts, QA, architects, and vendors; lead technical efforts, design RESTful APIs, microservices, and cloud-native apps on Azure,

Qualifications

• 8+ years of professional software development experience in enterprise applications.
• 2+ years hands-on experience developing modern web apps with NextJs and TypeScript.
• 6+ years designing and developing RESTful APIs and backend services with .NET Core/.NET 8+.
• Strong experience building microservices and distributed systems.
• Experience in Azure, Azure DevOps, CI/CD pipelines and IaC concepts.
• Experience integrating with external systems and proficiency in SQL Server/Azure SQL.

Responsibilities

• Design, develop, and test applications with cross-functional teams.
• Adhere to software development methodologies to meet milestones.
• Lead projects and drive them to completion.
• Create system designs and programming specifications.
• Collaborate with DBAs to design database structures.
• Mentor junior developers and promote best practices in Agile environments.
• Ensure production applications are stable and scalable.
• Improve observability and deployment practices across Encore applications.

Skills

NextJs

TypeScript

RESTful APIs

ASP.NET

C#

Microservices

.NET Core/.NET 8+

Azure

Azure DevOps

CI/CD

Agile/Scrum

Testing (unit/integration)

Education

Bachelor's degree in Computer Science or related field

Tools

SQL Server

Azure SQL

Entity Framework Core

Job description

CBTS is in search of a Sr. Software Engineer for a Contract to Hire opportunity. The Senior Full Stack Developer will be aligned with enterprise Application Development Team to deliver on strategic technology initiatives. You will support all phases of the product management lifecycle, from defining the right solution to delivering and supporting it to scale. You will be part of an Agile team where you will provide subject matter expertise through clear and concise business analysis, identifying and quantifying the impact of business challenges, and using a flexible and adaptive approach that emphasizes teamwork and collaboration across business units.

Duties

Software Development

• Work with product managers, business analysts, quality assurance engineers, architects, DBA team, other developers, and/or any 3rd party vendors when necessary to design, develop, and test applications.
• Adhere to the defined software development methodologies to ensure milestones are met, and technology standards are followed.
• Take ownership of the project and drive it to completion.
• Develop solutions and create system design and programming specification documents.
• Work with DBA to develop database structure for applications.
• Think outside of the box to provide solutions for technical challenges.
• Work with Quality Assurance users to perform testing to maintain quality standards.
• Function as project / technical lead when needed.
• Actively build and maintain user relationships.
• Stay in touch with new technologies and technology trends.

Project Management

• Lead the project team on assigned projects.
• Work directly with the product manager and agree to project delivery dates.
• Ensure that assigned projects are completed within allocated budgets and schedules while meeting business objectives.
• Communicate project milestones, priorities, and deliverables to business partners and team members.
• Manage and appropriately escalation delivery impediments, risks, issues, and changes tied to the team’s development initiatives.
• Manage project team’s tasks, identify necessary resources, and develop schedules to meet project completion deadlines.
• Coach Junior Developers on agile supporting processes and guide the project team to adopt and embrace change.
• Delegate tasks to the project team based on the individual’s skill set and availability.
• Support and improve production applications
• Troubleshoot complex issues related to performance, reliability, and data quality
• Improve observability, monitoring, and operational maturity of Encore applications
• Identify opportunities to improve development workflows, automation, and deployment practices
• Create and maintain the technical process, code, and design documentation.
• Help establish an environment for team and project collaboration.
• Maintain the knowledge base of the application development process and technical standards.

REQUIRES

• Bachelor's degree in Computer Science, Software Engineering, or a related technical field.
• 8+ years of professional software development experience in enterprise applications within corporate or consulting environments.
• 2+ years of hands‑on experience developing modern web applications using NextJs and TypeScript.
• 6+ years of experience designing and developing RESTful APIs and backend services using .NET Core/.NET 8+, C#, ASP.NET Web API, and Azure Functions.
• Strong experience designing, building, and consuming scalable microservices and distributed systems.
• Experience integrating enterprise applications with external systems such as CRM platforms, ERP systems, Oracle databases, and third-party APIs.
• Strong knowledge of relational databases, including SQL Server 2019+, Azure SQL, query optimization, indexing, and performance tuning.
• Experience with Entity Framework Core and modern data access patterns.
• Experience building and supporting cloud-native applications in Microsoft Azure.
• Hands-on experience with Azure DevOps, CI/CD pipelines, automated deployments, and Infrastructure as Code concepts.
• Strong understanding of software architecture principles, design patterns, security best practices, and system scalability.
• Experience implementing unit, integration, and end-to-end testing strategies.
• Demonstrated ability to independently design, develop, test, and deliver complex features and solutions with minimal supervision.
• Strong problem-solving, troubleshooting, and analytical skills.
• Experience working in Agile/Scrum environments and participating in sprint planning, grooming, and technical design discussions.
• Excellent communication and collaboration skills with the ability to work effectively with business stakeholders, architects, product owners, and cross-functional teams.
• Experience mentoring junior and mid-level developers through code reviews, technical guidance, and best practices.

CBTS is an equal opportunity employer, including of veterans and individuals with disabilities. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law.