Senior Full Stack .NET Developer - Quezon City

Spectrum One is Hiring · The Opportunity Spectrum One is a strategic engineering partner for high-growth startups and established corporations. Since 2015, we have helped our clients raise over $150M in funding. We are a profitable business with consistent double-digit year-over- ...

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Spectrum One is Hiring

The Opportunity Spectrum One is a strategic engineering partner for high-growth startups and established corporations. Since 2015, we have helped our clients raise over $150M in funding. We are a profitable business with consistent double-digit year-over-year growth.

We are scaling our engineering team and looking for multiple developers. We prioritize capability over tenure. We are looking for engineers who can architect and ship production-ready software with high autonomy. We value the quality of your output above the length of your resume.

Who We Are Looking For

• You are a Professional. You take ownership of your work. You don't need to be micro-managed to deliver.

• You Value Craftsmanship. You write clean, maintainable, and efficient code. You care about the long-term health of the codebase, not just closing tickets.

• You Have High Agency. You identify problems and fix them before they are assigned. You are comfortable navigating ambiguity.

Why Engineers Choose Us

• High-Trust Environment: We hire adults. We don't track keystrokes or enforce arbitrary hours. We care about the quality of your output.

• Deep Work: We minimize meetings to protect your focus time. We operate asynchronously by default.

• International Standards: You will work with top-tier international clients, building systems that scale and handle real-world traffic.

Why Join Spectrum One?

• Real Strategic Influence: We expect engineers to drive technical decisions. You will have a direct hand in shaping the architecture and product roadmap.

• Autonomy by Default: We reject the traditional agency model of "churn and burn." We provide the context and the goal, then we trust you to execute.

• A Culture of Excellence: You will be surrounded by high-performers who push you to be better. We believe in continuous evolution and provide the environment you need to do the best work of your career.

• Top-of-Market Compensation: High base salary benchmarked against industry standards, plus annual performance-based bonuses.

• Annual Summit: A fully-funded, company-wide Out of Country retreat to celebrate our wins.

• Hardware & Gear: We provide the latest tech (MacBook Pro or equivalent) and other equipment to ensure your workspace is ergonomic and productive.

• Professional Development Budget: We provide an annual budget for courses, certifications, books, and conferences. We want you to stay sharp.

• Permanent Remote: Work from home or anywhere you are most productive.

• Time Off & Wellness: Generous paid leave policy, full medical coverage (HMO), and mental health support for you and your dependents.

About the Role

We are looking for a Senior Developer to handle a dual-focus workload: maintaining existing enterprise systems on .NET Framework and building new applications using .NET 8. You will be responsible for the full lifecycle of development, from database optimization to front-end implementation.

We need someone pragmatic who can debug complex legacy code today and implement clean architecture in .NET 8 tomorrow. This role requires careful refactoring and migration of live systems, not just greenfield development.

Key Responsibilities

• Development & Maintenance: Support legacy web applications built on .NET Framework 4.8 (MVC) to ensure stability. Simultaneously, develop new modules and services using .NET 8.

• Database Architecture:

  • Maintain and optimize data access layers using Entity Framework 6 (for legacy) and EF Core (for modern apps).

  • Write and optimize complex T-SQL scripts, stored procedures, and triggers. You must be comfortable working with raw SQL for high-transaction scenarios where ORMs are insufficient.

• Migration Strategy: Execute the migration of specific modules from legacy frameworks to .NET 8, ensuring zero downtime and data integrity.

• Full-Stack Implementation: Build user interfaces using Bootstrap 5. You will use jQuery for maintaining legacy views and implement modern vanilla JS or Blazor for new components.

Nice-to-Have Skills

• Cloud Infrastructure: Hands-on experience deploying and managing resources on Azure (specifically App Services and Azure SQL) or AWS.

• Frontend Frameworks: Experience with , React, or Angular. (We value the ability to guide future UI migrations away from jQuery).

• DevOps: Ability to configure and maintain build/release pipelines using Azure DevOps or GitHub Actions.

• Design Patterns: Experience introducing Dependency Injection into legacy .NET applications (e.g., using Unity or Autofac) and utilizing built-in DI in .NET 8.

Required Technical Skills

• C# & .NET: Proficient in both .NET Framework 4.8 (MVC) for legacy systems and .NET 8 for new service architecture.

• Data Access: Experience with Entity Framework 6 (EDMX/Code-First) and implementing EF Core in modern environments.

• Database (SQL Server): Advanced T-SQL scripting (stored procedures, views) and performance tuning (execution plans, indexing).

• Frontend: Bootstrap 5 for responsive layouts and jQuery for maintaining legacy client-side logic.

Soft Skills

• Pragmatism: The ability to choose the right tool for the job (knowing when to refactor vs. when to rewrite).

• Communication: Ability to explain technical debt and modernization strategies to non-technical stakeholders.

Time Schedule

• For full-time: flexible hours, just need to be online or attend calls from 10pm to 2am PH time. For part time: 10pm to 2am or 5am onwards PH time

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