Senior Software Engineer

MasterCorp, Inc.; Florida; On-site; USD 110,000 - 160,000; Full time

Job summary

MasterCorp, Inc. is seeking a Senior Software Engineer to lead hands-on architectural decisions on a small, high-impact team. You will design and build full stack solutions with C# and .NET, extend microservices, and own production operations.

The role touches APIs, data models, and messaging patterns, with emphasis on reliability and security. The ideal candidate brings strong backend instincts, cloud experience in Azure, and a proactive approach to modern web technologies like Blazor and

Qualifications

• Bachelor's degree in CS or related field and 7+ years of software development.
• Strong hands-on C# and .NET experience across full stack.
• Experience with asynchronous workflows and distributed services.

Responsibilities

• Design, build, operate, and improve critical business applications and services.
• Develop scalable full stack software using C# and .NET across internal and customer apps.
• Extend microservices, create new APIs, and implement data/workflow patterns.
• Write unit and integration tests; ensure quality and reliability.
• Own operational aspects: monitoring, support, root cause analysis.
• Collaborate across teams in agile ceremonies and architectural discussions.
• Adopt AI-assisted development tools thoughtfully to boost productivity and quality.

Skills

C# / .NET

Full stack development

Azure

Blazor

ASP.NET Core

NET MAUI

Microservices

API design

CI/CD

Agile

AI awareness

Education

Bachelor's degree in Computer Science or related field

Tools

NServiceBus

Azure DevOps

Git

Event-driven architecture

Job description

Company Overview

we provide exceptional service and innovative solutions in the hospitality industry. As a leader in our field, we believe in the power of teamwork, integrity, and a commitment to excellence. Our dynamic and inclusive workplace fosters growth, creativity, and the opportunity to make an impact. We are looking for passionate and driven individuals to join our team and help us continue to deliver outstanding results for our clients. The Senior Software Engineer is a hands-on technical leader on a small, high-impact engineering team responsible for designing, building, operating, and continuously improving critical business applications, platform services, and integrations. This role is expected to contribute across the full technology stack, including user-facing applications, APIs, data models, asynchronous workflows, distributed integrations, messaging infrastructure, and production support. The position requires strong full stack development experience, deep backend engineering instincts, and the ability to make sound technical decisions in message-driven and distributed system environments. The Senior Software Engineer will help shape technical direction, deliver business-critical capabilities, mentor other engineers, and take operational ownership of assigned systems and functional areas. The ideal candidate is curious, adaptable, AI-aware, and eager to learn and responsibly apply emerging tools and practices that improve engineering speed, software quality, and team effectiveness.

Key Soft Skills

• Collaborates - Builds partnerships and works collaboratively with others to meet shared objectives.
• Situational Adaptability - Adapts approach and demeanor in real time to match the shifting demands of different situations.
• Customer Focus - Builds strong customer relationships and delivers customer-centric solutions.
• Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Responsibilities

• Design, develop, and maintain full stack software solutions across front-end applications, backend services, APIs, integrations, and supporting data systems.
• Develop scalable, maintainable software using C# and .NET across both internal business systems and customer-facing applications.
• Extend existing microservices and create new APIs, service endpoints, background processing components, data workflows, and integration services that improve business capability and operational efficiency.
• Create and evolve data schemas, persistence models, service contracts, message contracts, and integration patterns across multiple storage and communication mechanisms.
• Make pragmatic architecture and design decisions related to service boundaries, data flow, scalability, performance, maintainability, security, and operational simplicity.
• Write and maintain unit, integration, and automated regression tests to ensure quality, stability, and confidence in delivered solutions.
• Investigate, troubleshoot, and resolve defects, production issues, and performance bottlenecks across application, service, infrastructure, data, and integration layers.
• Take operational ownership of assigned systems and functional areas, including monitoring, support, root cause analysis, ongoing optimization, and long-term stewardship.
• Partner with Service Desk, business stakeholders, architects, engineers, and support teams to respond to production issues, support requests, and workflow-impacting incidents.
• Participate actively in agile development meetings, technical design sessions, code reviews, cross-functional planning discussions, and presentations.
• Stay current with emerging engineering practices, including AI-assisted development tools, and apply them thoughtfully and responsibly to improve engineering effectiveness, software quality, security, and team productivity.

Qualifications

• Bachelor's degree in Computer Science, Mathematics, Engineering, or a related technical field; Seven (7) or more years of professional software development experience, with strong hands-on expertise in C# and .NET.
• Proven experience building, enhancing, and supporting production-grade full stack applications and backend services.
• Experience implementing asynchronous workflows and inter-service communication using technologies such as NServiceBus, service buses, queues, or event-driven platforms.
• Strong understanding of relational database design, query optimization, indexing, transactions, caching, and data performance tuning.
• Familiarity with Azure, cloud-hosted environments, managed databases, application hosting, CI/CD pipelines, source control workflows, and modern software delivery practices.
• Experience building modern web and cross-platform applications using Blazor, ASP.NET Core, and .NET MAUI.
• Experience with mobile application deployment and release processes for the Apple App Store and Google Play is a plus.
• Experience with component-based UI development, dependency injection, API integration, authentication and authorization, reusable UI patterns, and responsive application design.
• Experience with front-end web technologies including HTML5, CSS3, JavaScript, and modern web application patterns.
• Experience with software development lifecycle (SDLC), agile development methodologies, and production support practices.
• Comfortable moving between strategic architecture discussions and hands-on implementation, debugging, testing, and production support.
• Strong awareness of the evolving role of AI in software engineering, with eagerness to adopt useful tools, experiment responsibly, and continuously improve individual and team effectiveness without sacrificing rigor, security, or engineering discipline.

Travel Requirements

~ Rarely - on average 5% of travel on a quarterly basis

The Senior Software Engineer is not limited to the above-mentioned job description and may be requested to do additional tasks as directed by MasterCorp Management.

essential functions of the position satisfactorily, reasonable accommodations may be made to enable employees with disabilities to perform the essential functions of their job.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

We look forward to reviewing your application.