Sr. Frontend Engineer-Roundel

Senior Engineer

As a Senior Engineer, you serve as a specialist in the engineering team that supports the product. You help develop and gain insight in the application architecture. You can distill an abstract architecture into concrete design and influence the implementation. You show expertise in applying the appropriate software engineering patterns to build robust and scalable systems. You are an expert in programming and apply your skills in developing the product.

You have the skills to design and implement the architecture on your own, but choose to influence your fellow engineers by proposing software designs, providing feedback on software designs and/or implementation. You show good problem solving skills and can help the team in triaging operational issues. You leverage your expertise in eliminating repeat occurrences.

This role will support Roundel Media Studio, Target's self-service ad campaign management platform for external advertisers. The platform enables companies to directly create and manage their product advertising campaigns with Target.

Use your skills, experience and talents to be a part of groundbreaking thinking and visionary goals. As a Sr. Engineer, you'll take the lead as you… Use your technology acumen to apply and maintain knowledge of current and emerging technologies within specialized area(s) of the technology domain. Evaluate new technologies and participate in decision-making, accounting for several factors such as viability within Target's technical environment, maintainability, and cost of ownership.

Initiate and execute research and proof-of-concept activities for new technologies. Manage total product, financials and forecasting. Lead the design, lifecycle management, and total cost of ownership of services. Lead and conduct code review, design review, testing, and debugging activities at the application level. Lead functional design and architecture discussions with understanding of process flows and system diagrams to enable design decisions.

Participate in routine and non-routine construction, automation, and implementation activities, ensuring successful implementation with architectural and operational requirements and best practices met. Provide technical oversight and coach others to resolve complex and severe technical issues. Lead disaster recovery activities and contribute to disaster recovery planning. Embed data quality protocols throughout data acquisition, processing, storage, and operational use.

Core responsibilities of this job are described within this job description. Job duties may change at any time due to business needs.

About you:

• 4 year degree or equivalent experience
• 5+ years of software development experience
• Demonstrates strong domain-specific knowledge regarding Target's technology capabilities, and key competitors' products and differentiating features
• Demonstrates strong proficiency in Type Script/JavaScript, React, and modern frontend engineering practices, with deep knowledge of browser behavior, rendering, performance, and accessibility
• Architects and delivers scalable, maintainable, testable, performant, and secure frontend solutions using modern architecture patterns, shared components, and reusable design practices
• Translates user and business requirements into intuitive, accessible, and user-centered experiences, rapidly validating technical and UX feasibility
• Integrates frontend applications with REST services and diverse data models while applying appropriate data standards, policies, and governance practices
• Drives frontend quality and reliability through automated testing, observability, performance optimization, security, and robust CI/CD practices
• Partners effectively with product, design, backend engineering, and other cross-functional teams to influence technical direction, UX, accessibility, and quality standards
• Breaks down complex technical problems into actionable solutions, communicates technical decisions clearly, and mentors engineers through code reviews and engineering best practices

Skills required:

• Experience with Next.js or other modern React application architecture
• Experience with frontend testing tools such as Jest, Cypress, and Playwright
• Experience with design systems, component libraries, and frontend architecture patterns such as micro-frontends
• Familiarity with accessibility standards and tooling, like WCAG, ARIA, Lighthouse, Stark, or axe
• Experience working with design tools such as Figma or Adobe XD
• Experience supporting production applications through monitoring, observability, and on-call practices

Nice to have:

• Experience improving developer experience and automating frontend development workflows
• Experience with API development and testing tools such as Postman or Insomnia
• Familiarity with backend technologies such as Kotlin is a plus
• Familiarity with data stores such as MongoDB or PostgreSQL
• Experience leveraging AI-enabled tooling to enhance design, development, testing, and engineering productivity

This position will…