Lead Software Engineer (P865)

84.51° Overview:

84.51° is a retail data science, insights and media company. We help The Kroger Co., consumer packaged goods companies, agencies, publishers and affiliates create more personalized and valuable experiences for shoppers across the path to purchase.

Powered by cutting-edge science, we utilize first-party retail data from more than 62 million U.S. households sourced through the Kroger Plus loyalty card program to fuel a more customer-centric journey using 84.51° Insights, 84.51° Loyalty Marketing and our retail media advertising solution, Kroger Precision Marketing.

Join us at 84.51°!

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Technical Lead Software Engineer, Full Stack (ReactJS,TypeScript, Python) (P865)

As a Technical Lead Software Engineer, you will be part of the AI Portfolio Expansion Team, a cross-functional team that involves new sciences, consumer research, and commercial data products. As a Technical Engineering Lead you will work on the design and implementation of reusable UI components, connect seamlessly to APIs, and apply best practices across front-end and back-end development. You will be applying your skill, experience and creativity towards building complex and scalable solutions that integrate Data Science and AI innovation. We work full-stack and the team owns features end-to-end. On our teams, we’re working daily with product, design, and data teams to ensure our users experience clear, intuitive, and powerful presentation of AI-driven insights.

Responsibilities:

• Experience with sustainable engineering practices such as automated testing (TDD), continuous integration, continuous deployment, and monitoring / alerting.


• Develop components that display key metrics from AI-powered insights


• Implement interactive data visualizations using graph libraries and modern front-end frameworks.


• Apply Tailwind CSS to build scalable, responsive, and maintainable design systems.


• Integrate with AI and data APIs to fetch, process, and render insights in real-time.

• Establish and enforce coding, testing, and deployment standards for both front-end and back-end systems.


• Collaborate with cross-functional stakeholders (AI/ML engineers, data engineers, backend developers, designers, product managers) to define requirements and delivery milestones.


• Mentor and guide engineers on best practices for AI integration , frontend architecture , and API design .


• Own technical decision-making and proactively identify opportunities to improve system performance, scalability, and developer efficiency.

Qualifications:

• 5+ Years of professional software engineering experience, including 1+ years in a technical leadership role.


• Strong background in ReactJS and data visualization libraries (D3.js, Visx, Mui X Charts, Nivo ++)


• Hands-on experience with Tailwind CSS or equivalent utility-first CSS frameworks.


• Solid understanding of API integration and design , with experience consuming REST and/or GraphQL APIs.


• Familiarity with building and integrating AI/ML-driven interfaces , including best practices for presenting AI insights to end-users.


• Knowledge of back-end concepts (authentication, data modeling, API standards OAS 3.1, and cloud services (Azure).


• Expertise in software engineering best practices: code reviews, CI/CD, testing strategies, and documentation.


• Strong communication skills for technical discussions and decision-making across teams.

Major Bonus Points for:

• Exposure to AI frameworks, agent frameworks, or analytics-driven products.


• Familiarity with FastAPI

What we offer:

• Opportunity to shape the way users interact with AI-driven insights.


• A leadership role at the intersection of AI, data visualization, and user experience .


• Collaborative environment with experts in AI, design, and engineering.


• Support for continued growth in both technical leadership and AI product development.

#LI-SSS

Pay Transparency and Benefits

• The stated salary range represents the entire span applicable across all geographic markets from lowest to highest. Actual salary offers will be determined by multiple factors including but not limited to geographic location, relevant experience, knowledge, skills, other job-related qualifications, and alignment with market data and cost of labor. In addition to salary, this position is also eligible for variable compensation.


• Below is a list of some of the benefits we offer our associates:




• Health: Medical: with competitive plan designs and support for self-care, wellness and mental health. Dental: with in-network and out-of-network benefit. Vision: with in-network and out-of-network benefit.


• Wealth: 401(k) with Roth option and matching contribution. Health Savings Account with matching contribution (requires participation in qualifying medical plan). AD&D and supplemental insurance options to help ensure additional protection for you.


• Happiness: Hybrid work environment. Paid time off with flexibility to meet your life needs, including 5 weeks of vacation time, 7 health and wellness days, 3 floating holidays, as well as 6 company-paid holidays per year. Paid leave for maternity, paternity and family care instances.

Pay Range

$121,000 - $201,250 USD