Senior Engineer – CircleCard Platform

About this role

The pay range is $98,000.00 - $176,000.00 Pay is based on several factors which vary based on position. These include labor markets and in some instances may include education, work experience and certifications. In addition to your pay, Target cares about and invests in you as a team member, so that you can take care of yourself and your family. Target offers eligible team members and their dependents comprehensive health benefits and programs, which may include medical, vision, dental, life insurance and more, to help you and your family take care of your whole selves. Other benefits for eligible team members include 401(k), employee discount, short term disability, long term disability, paid sick leave, paid national holidays, and paid vacation. Find competitive benefits from financial and education to well-being and beyond at https://corporate.target.com/careers/benefits .

Senior Engineer – CircleCard Platform

About Us Working at Target means helping all families discover the joy of everyday life. We bring that vision to life through our values and inclusive culture.

As a Senior Engineer on the CircleCard Platform team , you'll design and build highly scalable, reliable platform capabilities that power critical CircleCard experiences across Target. You'll combine strong backend and distributed systems engineering expertise with modern AI application development to build the next generation of intelligent, AI-ready platform capabilities.

You'll serve as a technical leader, shaping architecture, influencing implementation decisions, and establishing engineering best practices. You'll work across APIs, data, events, integrations, large-scale file and data processing, distributed systems, and guest-facing backend capabilities , while also helping evolve the platform with domain AI agents, MCP tools and services, and agentic workflows .

You are equally comfortable solving complex distributed systems problems and applying emerging AI technologies where they create meaningful value. You bring strong software engineering fundamentals and build production systems that are secure, scalable, resilient, observable, and maintainable .

About the Team: CircleCard Platform

The CircleCard Platform team builds and operates the foundational platforms and services that power the CircleCard ecosystem . The team owns a suite of P1, multi-tenant systems , including our API Platform, Data Platform, Webhooks & Events Platform, and File Platform , enabling applications across Target and our partners to securely access, update, process, and integrate with CircleCard data and capabilities.

Our platforms power critical capabilities across the CircleCard account lifecycle, including account management, new account booking, payments, servicing, compliance processing, and enterprise and partner integrations . Our platform capabilities span high-volume APIs, event-driven integrations, large-scale data access and processing, and very large file ingestion and processing , supporting critical financial and non-financial workloads across the CircleCard ecosystem.

The team is also expanding its scope to build backend capabilities that directly power CircleCard guest experiences across Target's digital platforms , including richer account management experiences through Target Wallet .

As we evolve CircleCard Platform, we're investing in making our capabilities AI-ready and agent-accessible through domain AI agents, MCP tools and services, and intelligent workflows , while continuing to strengthen the scalability, resiliency, performance, and observability of our core platforms.

Current initiatives include: • Evolving our API, Data, Webhooks/Events, and File platforms to support growing CircleCard capabilities and integrations. • Building scalable data platform capabilities for accessing, processing, and distributing high-volume CircleCard data across multiple consumers. • Building large-scale file ingestion and processing capabilities to reliably handle very large files and high-volume financial data workflows. • Building backend capabilities that directly enable CircleCard guest experiences across Target's digital ecosystem. • Building AI-ready platform capabilities, domain AI agents, and MCP-based tools and services . • Expanding shared platform capabilities, including distributed caching and reusable platform services . • Improving performance, scalability, resiliency, and observability across our P1 systems. • Automating engineering and operational workflows through intelligent AI agents .

What You'll Do

Platform & Services Engineering • Design, develop, and maintain highly scalable platform capabilities and backend services using Kotlin, Java, and Micronaut . • Design and build secure, high-performance REST and GraphQL APIs supporting high-volume retail and financial workloads. • Build reusable platform capabilities that can be safely consumed by multiple tenants, applications, integrations, and AI agents . • Design and build event-driven integrations, webhooks, and asynchronous services using Kafka and modern messaging patterns. • Design distributed systems using Kafka, asynchronous messaging, distributed caching, and cloud-native architecture patterns . • Design and build large-scale data processing and data access capabilities , enabling applications and integrations to securely consume, process, and distribute high-volume CircleCard data. • Design highly scalable file ingestion and processing systems capable of reliably processing very large files and high-volume data workloads with strong resiliency, observability, and fault tolerance. • Design and optimize PostgreSQL databases, including data modeling, indexing, query optimization, and transactional integrity. • Leverage Redis and distributed caching patterns to improve application performance, scalability, and resiliency. • Build resilient, highly available P1 services and platforms with strong fault tolerance, scalability, security, and operation

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