Principal Software Engineer

Big Resourcing; Massachusetts; Remote; USD 120,000 - 180,000; Full time

Job summary

A leading technology consulting firm seeks a Principal Software Engineer to drive the design and development of critical applications. The role requires deep expertise in .NET and modern UI frameworks like Angular and React, along with proven leadership skills. You will collaborate across teams to align technical efforts with business goals, ensuring high-quality software delivery.

Qualifications

• 8+ years in software engineering including 3+ years in a technical leadership role.
• Expert in .NET technologies (C#, ASP.NET Core).
• Proficient in Angular and/or React with modern frontend best practices.

Responsibilities

• Lead the design and development of critical enterprise applications.
• Drive architectural decisions and enforce best practices.
• Mentor development teams across multiple initiatives.

Skills

.NET

Angular

React

Microservices

RESTful APIs

CI/CD

Problem-solving

Architectural mindset

Communication

Leadership

Education

Bachelor’s degree in Computer Science, Engineering, or related field

Job description

BigRio is a remote-based, technology consulting firm with headquarters in Boston, MA. We deliver software solutions ranging from custom development and software implementation to data analytics and machine learning/AI integrations. As a one-stop shop, we attract clients from a variety of industries due to our proven ability to deliver cutting-edge, cost-effective software solutions.

Job Description:

We are seeking a seasoned and strategic Principal Software Engineer to lead the design, development, and continuous evolution of a critical enterprise application supporting core operational workflows. This position demands deep technical proficiency in .NET and modern UI frameworks such as Angular and React, as well as a proven ability to lead engineering teams across multiple initiatives.

In this role, you will drive key architectural decisions, enforce engineering best practices, and mentor development teams to deliver scalable, maintainable, and high-performance solutions. You will work closely with product owners, designers, and cross-functional stakeholders to align technical efforts with broader business goals, while maintaining a strong and forward-thinking technical vision.

• Act as the primary technical authority, setting architectural direction and standards.
• Lead the full development lifecycle using .NET (C#, .NET Core) and modern frontend frameworks (Angular, React).
• Make impactful decisions regarding system architecture, code structure, and design patterns.
• Design, develop, and maintain enterprise-level applications using .NET technologies.
• Produce clean, scalable, and well-documented code following industry best practices.
• Participate in code reviews and ensure adherence to coding standards.
• Lead engineering efforts across backend and frontend teams to ensure coordinated, high-quality delivery.
• Collaborate with Product, QA, and DevOps teams to define roadmaps, improve workflows, and maintain quality.
• Translate complex business needs into scalable technical solutions.
• Guide engineers at all levels, from junior to senior, providing mentorship and technical leadership.
• Conduct architecture and design reviews, promote clean code practices, and encourage continuous learning.
• Cultivate a culture of engineering excellence, collaboration, and innovation.

UI Framework Expertise

• Oversee the development of user interfaces using Angular and/or React based on project requirements.
• Ensure UI components are responsive, accessible, and user-friendly.
• Provide guidance on best practices for frontend performance, testing, and architecture.

Unit Testing & Quality Assurance

• Collaborate with QA to integrate unit, integration, and E2E testing into CI/CD pipelines.
• Drive improvements in test reliability, automation, and maintainability.

Stakeholder Engagement & Communication

• Work with cross-functional teams to gather requirements and translate them into detailed technical plans.
• Communicate technical concepts clearly to both technical and non-technical stakeholders.
• Actively contribute to agile ceremonies, helping shape architecture and resource planning decisions.
• Own the technical roadmap and ensure long-term scalability of the platform.
• Identify opportunities for system modernization, refactoring, and optimization.
• Stay current with emerging technologies and evaluate their potential for adoption.

Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• 8+ years of professional experience in software engineering, including 3+ years in a technical leadership role.
• Expert-level skills in .NET technologies (C#, ASP.NET Core, etc.).
• Proficient with Angular and/or React and modern frontend best practices.
• Proven experience leading multidisciplinary software teams in complex environments.
• Strong understanding of RESTful APIs, microservices, and CI/CD practices.
• Excellent problem-solving abilities and a strong architectural mindset.
• Strong communication and interpersonal skills to bridge technical and business needs.

Equal Opportunity Statement:

BigRio is an equal-opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, national origin, sex, sexual orientation, gender identity, age, pregnancy, status as a qualified individual with disability, protected veteran status, or other protected characteristic as outlined by federal, state, or local laws. BigRio makes hiring decisions based solely on qualifications, merit, and business needs at the time. All qualified applicants will receive equal consideration for employment.

BigRio is a cutting-edge technology company committed to being your strategic partner in accelerating digital transformation and fostering innovation. With a relentless focus on delivering exceptional solutions, we empower businesses to thrive in the rapidly evolving digital landscape.

• Harvard Square, One Mifflin Place
  Suite 400
  Cambridge, MA 02138