Senior Slack Software Engineer Jobs in Wisconsin

## Senior Software Engineer iOSApplyremote type: Remote/Hybridlocations: TX - Work from hometime type: Full timeposted on: Posted Todaytime left to apply: End Date: October 31, 2026 (30+ days left to apply)job requisition id: R0999365We’re building a world of health around every individual — shaping a more connected, convenient and compassionate health experience. At CVS Health, you’ll be surrounded by passionate colleagues who care deeply, innovate with purpose, hold ourselves accountable and prioritize safety and quality in everything we do. Join us and be part of something bigger – helping to simplify health care one person, one family and one community at a time.**Position Summary**We are seeking a Senior Software Engineer iOS with Native Chat & AI experiences to build and enhance native chat and AI-powered conversational experiences on iOS. The ideal candidate has strong expertise in Swift, modern iOS architectures, real-time messaging, API integrations, dynamic rich UI development, accessibility, security, and AI/LLM-powered applications. An ideal Candidate is a senior iOS engineer who combines deep native mobile expertise with experience in chat platforms, API integrations, rich markdown-based UI, AI/LLM technologies, accessibility, security, and scalable enterprise-grade application development.**Key Responsibilities*** Design, develop, and maintain native iOS applications using Swift, SwiftUI, and UIKit* Build scalable chat and collaboration experiences, including messaging, notifications, presence, typing indicators, rich media, and offline sync* Design, build, and integrate RESTful APIs and collaborate with backend teams on service contracts and architecture* Create dynamic and responsive user experiences with support for: Markdown rendering, Rich text, Hyperlinks, mentions, code blocks, Interactive cards and media content* Develop AI-powered conversational experiences leveraging LLMs and streaming responses* Ensure high standards for performance, reliability, accessibility, and security* Mentor engineers, participate in architecture reviews, and drive engineering excellence**Required Qualifications*** 5+ years of software engineering experience* 5+ years experience in native iOS development* Expert proficiency in Swift, SwiftUI, and UIKit* Strong experience with: Real-time messaging applications, WebSockets and push notifications, Offline-first architectures and synchronization, REST APIs and service integrations, Modern iOS architectures (MVVM, Clean Architecture, etc)* Experience building dynamic rich UI experiences with markdown and rich-content rendering* Strong knowledge of mobile performance optimization, testing, and CI/CD* Experience implementing Accessible mobile experiences with a strong understanding of: VoiceOver, Dynamic Type, Accessibility labels and navigation, WCAG and inclusive design principles* Experience with secure mobile application development, including: OAuth 2.0 and OpenID Connect, Secure token management, Keychain storage, Encryption of data in transit and at rest, Certificate pinning and secure API communication**Preferred Qualifications*** Highly preferred experience integrating AI services and building Copilot-style conversational experiences.* Familiarity with: Large Language Models (LLMs), Prompt engineering, RAG (Retrieval-Augmented Generation), Streaming AI responses, Conversation and context management* Experience building products similar to Teams, Slack, Discord, WhatsApp, Telegram, Signal, or AI-powered chat applications* Familiarity with Azure OpenAI, OpenAI, Anthropic, Gemini, GraphQL, and cloud-native architectures* Experience leading technical design, mentoring engineers, and driving architectural decisions**Education:*** Bachelor’s degree or equivalent experience (Highschool diploma plus 4 years relevant work experience)**Anticipated Weekly Hours**40**Time Type**Full time**Pay Range**The typical pay range for this role is:$92,700.00 - $185,400.00This pay range represents the base hourly rate or base annual full-time salary for all positions in the job grade within which this position falls. The actual base salary offer will depend on a variety of factors including experience, education, geography and other relevant factors. This position is eligible for a CVS Health bonus, commission or short-term incentive program in addition to the base pay range listed above. Our people fuel our future. Our teams reflect the customers, patients, members and communities we serve and we are committed to fostering a workplace where every colleague feels valued and that they belong.**Great benefits for great people**We take pride in offering a comprehensive and competitive mix of pay and benefits that reflects our commitment to our colleagues and their families.This full‐time position is eligible for a comprehensive benefits package designed to support the physical, emotional, and financial well‐being of colleagues and their families. The benefits for this position include medical, dental, and vision coverage, paid time off, retirement savings options, wellness programs, and other resources, based on eligibility.Additional details about available benefits are provided during the application process and on Benefits Moments.We anticipate the application window for this opening will close on: 10/31/2026Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state and local laws. #J-18808-Ljbffr