Principal Engineer

sonatafytechnology; Phoenix (AZ); Hybrid; USD 120,000 - 150,000; Full time

Benefits offered by this job

Competitive compensation

Remote-first lifestyle

Career growth opportunities

Job summary

Sonatafy Technology in Phoenix, AZ is looking for a Principal Engineer to lead complex software architecture initiatives and modernization efforts. This senior role blends hands-on development and strategic problem-solving for enterprise clients. You will guide engineering teams in designing scalable systems and establish high engineering standards.

Ideal candidates should have at least 10 years of software development experience and a strong background in .NET and Microsoft tools. The position offers a unique opportunity to work within a client-focused culture that emphasizes innovation and real-world impact.

Qualifications

• Minimum of 10 years experience in software development for Win32/Web applications.
• Expert understanding of relational databases, preferably MSSQL.
• Hands-on experience with Generative AI tools like GitHub Copilot.

Responsibilities

• Lead architecture design for distributed and microservices-based systems.
• Guide adoption of emerging technologies and establish technical standards.
• Mentor engineers and foster continuous learning in teams.

Skills

Software development

Leadership in agile environments

Generative AI tools

Data-centric applications

Education

10 years of software development experience

.NET, HTML, ASP, SQL Server

Experience in Agile or SAFe environments

Tools

Microsoft SQL Server

WCF

JavaScript/CSS

Job description

THIS POSITION IS FOR CANDIDATES BASED IN PHOENIX, AZ. (This role requires up to 10% travel annually, including occasional trips for team meetings, training, or client-related activities).

Sonatafy Technology, headquartered in Scottsdale, Arizona, is an award-winning nearshore software development company with a strong reputation. They have a dedicated in‑house team of engineers, offering end‑to‑end software solutions and supporting client development staff augmentation. Catering to companies of all sizes and industries, including some of the world's largest brands, Sonatafy Technology is a trusted provider of nearshore enterprise‑level cloud and mobile application software development services.

Sonatafy Technology is seeking a Principal Engineer to lead complex software architecture initiatives, drive modernization efforts, and lead high‑performing engineering teams. This senior role blends architecture, hands‑on development, and strategic problem‑solving for enterprise clients building next‑generation systems. You will guide multiple engineering teams through the design and delivery of scalable, event‑driven platforms, establish technical standards, and ensure world‑class engineering practices.

Key Responsibilities

• Lead architecture design across distributed, event‑driven, and microservices‑based systems.
• Enforce clean architecture and SOLID principles, ensuring alignment across multiple engineering pods.
• Guide the adoption of emerging technologies, including Generative AI Development Toolchains, LLMs, and automation‑driven engineering practices.
• Establish technical standards for code quality, CI/CD automation, testing, and documentation.
• Partner with executives, product managers, and DevOps to translate business challenges into scalable technical solutions.
• Lead client‑facing technical discussions and solution architecture sessions during pre‑sales engagements.
• Collaborate with the sales and delivery teams to design and present proposals, technical roadmaps, and proofs of concept that address client pain points.
• Participate in RFP/RFI responses, estimating, and solution scoping with a focus on clear business outcomes.
• Build trusted relationships with clients through strong communication, thought leadership, and credibility as a senior engineering partner.
• Mentor engineers and foster a culture of ownership, accountability, and continuous learning.
• Serve as a trusted advisor capable of bridging business priorities with technical strategy.
• Participate in architecture reviews, code reviews, and sprint retrospectives to ensure technical excellence.
• Serve as a trusted advisor for clients, capable of translating complex technology strategies into business outcomes.

Required Qualifications

• Minimum of 10 years of software development in data‑centric Win32/Web applications using Microsoft tools.
• .NET, HTML, ASP, Microsoft SQL Server
• Expert‑level understanding of relational databases (preferably MSSQL)
• Proven success leading or managing senior‑level teams within Scrum/Agile environments
• Hands‑on experience with Generative AI tools and techniques, including GitHub Copilot and Prompt Engineering
• Preferred experience with ASP.NET, WCF, Web Services, XML, SQL Server, Windows Services, UX Design, JavaScript, CSS, Domain‑Driven Design, and nServiceBus
• Previous leadership in Agile or SAFe‑based SDLC environments

Specialized Skills

• Knowledge of Large Language Models (LLMs), Agentic AI, and Model Context Protocol (MCP) and their application in automation and feature engineering
• Strong understanding of consumer lending business processes
• Deep knowledge of design patterns and best practices for scalable architecture
• Proven ability to collaborate across departments (Product, Engineering, QA) to manage dependencies and technical initiatives
• Ownership mindset with strong decision‑making, analytical, and communication skills
• Ability to ensure development processes deliver high‑quality user experiences aligned with business goals
• Strategic thinker capable of defining long‑term software roadmaps aligned with organizational priorities
• Track record of coaching teams, improving performance, and fostering a culture of innovation and learning
• Leadership presence, calm under pressure, and a genuine team‑first approach
• Broad technical curiosity across multiple programming languages, frameworks, and tools
• Skilled at balancing priorities, managing deadlines, and ensuring delivery excellence

Why Work with Sonatafy

At Sonatafy, you’ll join a community of highly skilled engineers across Latin America supporting innovative U.S.‑based teams. You’ll be part of a fast‑moving, client‑first culture where your code has real‑world impact. We offer competitive compensation, a remote‑first lifestyle, and career growth opportunities across industries and technologies.

If you have reached this point and feel you are our ideal candidate, it’s time for you to apply! To apply, please submit your resume in English.

Recruitment Scam Notice

Sonatafy recruitment communications will only come from @sonatafy.com email addresses. We do not request fees, sensitive financial information, or conduct hiring solely through online forms without interviews. If you receive a suspicious message, contact us at [e-mail].