Principal Software Engineer

What is the day in the life of a Senior Software Engineer?

• You won’t be limited to a single domain. As a Principal Engineer, you’ll influence and lead work across multiple initiatives, such as:
• Short-Form Video Intelligence & Creative Tooling — architect systems that analyze patterns in social video and power data-driven creative workflows.
• Marketplace Content Optimization at Scale — design and scale platforms that normalize attributes, enrich product data, and enable rapid experimentation to improve conversion.
• Applied Automation & Robotics Enablement — build orchestration layers and operator tools that improve throughput and reliability in physical operations.
• AI Platform & Agentic Workflows — establish retrieval, evaluation, guardrails, and observability systems that integrate AI deeply into production environments.


• Essential Duties and Responsibilities
• Lead & Mentor: Guide software engineers through planning, design, coding, delivery, and support phases; mentor and develop top engineering talent; foster a culture of continuous improvement and innovation.
• Cross-Functional Partnership: Work with product, design, and business teams to define, deliver, and support SaaS applications that align with customer needs and market trends.
• Architectural Leadership: Design and implement highly scalable, secure, multi-tenant systems; make day-to-day technical decisions with an emphasis on cloud-native architectures and microservices.
• Delivery & Reliability: Own and continually improve product delivery throughput, system stability, and lifecycle processes in partnership with product leadership.
• Clarity from Ambiguity: Translate complex and ambiguous situations into clear, actionable technical strategies for your team.
• Technical Collaboration: Communicate and collaborate with internal teams and external partners on architecture, APIs, integrations, and data security.
• Raise the Bar: Establish engineering best practices and standards that ensure quality, maintainability, and scalability across all products.

What will I need to thrive in this role?

• Our Preferred Stack (not required to interview)
• We hire for engineering excellence and adaptability. If you’re willing to adopt our tools, we want to talk—even if your background differs.
• Languages & Frameworks: Python, FastAPI, React
• Cloud & Infrastructure: AWS
• Data: SQL (Snowflake)
• Proven ability to architect and deliver production SaaS systems at scale.
• Strong backend and cloud skills, with the versatility to work across the stack.
• A product mindset—bias to action, care for UX, reliability, and business outcomes.
• Ability to mentor engineers, provide technical direction, and lead teams through ambiguity.
• Curiosity and judgment in applying AI thoughtfully to real-world workflows.

What does high performance look like?

• You are comfortable operating in fast-moving, ambiguous environments
• You follow through with all assignments in a timely manner
• You give 100% to all tasks and projects you are given
• You will take full ownership of your projects and follow through to completion 

Sounds great! What’s the company culture? We are looking for individuals who are:

• Game Changers- A game changer is someone who looks at problems with an open mind and shares new ideas with team members, regularly reassesses existing plans and attaches a realistic timeline to goals, makes profitable, productive, and innovative contributions, and actively pursues improvements to Pattern’s processes and outcomes.
• Data Fanatics- A data fanatic is someone who recognizes problems and seeks to understand them through data, draws unbiased conclusions based on data that lead to actionable solutions, and continues to track the effects of the solutions using data.
• Partner Obsessed- An individual who is partner obsessed clearly explains the status of projects to partners and relies on constructive feedback, actively listens to partner’s expectations and delivers results that exceed them, prioritizes the needs of your partners, and takes the time to create a personable experience for those interacting with Pattern.
• Team of Doers- Someone who is a part of a team of doers uplifts team members and recognizes their specific contributions, takes initiative to help in any circumstance, actively contributes to supporting improvements, and holds themselves accountable to the team as well as to partners.

What is the hiring process?

• An initial phone interview with Pattern’s talent acquisition team
• A technical assessment
• An onsite interview with a panel of department leaders
• Reference checks 
• Executive review

How can I stand out as an applicant?

• Cover letter submission
• Initial phone interview with Pattern’s talent acquisition team
• Video Technical Assessment
• Take-Home Assessment
• Final Onsite Interview with Leadership
• Professional reference checks
• Executive review
• Offer