Mid - Senior Full Stack Software Engineer (LLM application development)

Allstate • McCullom Lake, IL

4d

About The Position

This role has been created to accelerate and mature Allstate’s Internal Employee Experience initiatives. As a mid to senior engineer, you will help lead the evolution of an in-house, production grade LLM powered chatbot driving automation, elevating internal workflows, and shaping scalable solutions that enable employees to access critical information efficiently across the enterprise. You’ll build, extend, and refine a mature LLM production application, delivering new features and architectural improvements that significantly enhance internal employee experience, performance, and reliability. Our ideal candidate is a confident, collaborative engineer who thrives in close-knit, high communication teams. They are comfortable navigating ambiguity, embracing emerging technologies, and influencing technical direction through experience, curiosity, and strong communication. They take ownership, enjoy mentoring others, and continuously look for opportunities to raise the bar for the team and platform. This role offers the opportunity to work at the intersection of AI, product, and engineering excellence. You’ll deepen your expertise in modern, rapidly evolving technologies while playing a meaningful role in shaping how AI driven solutions are built and scaled within a large enterprise, making a tangible, industry shaping impact.

Requirements

• Four plus of relevant experience
• Demonstrated experience working in collaborative development environments, including pair programming or similar close team practices.
• Proficiency in at least one modern programming language (Python, Java, JavaScript, Go, etc ) with the ability to contribute across a full stack or service-oriented architecture.
• Strong experience with automated testing, including unit testing and test driven development (TDD).
• Hands-on experience working within Agile teams and iterative delivery models.
• Strong communication skills, technical judgment, and a sense of ownership within a team first culture.

Nice To Haves

• Hands on experience building, evolving, or supporting production LLM or AI enabled applications.
• Python and Java proficiency, with the ability to work across both Python and Java codebases
• Experience Building context-aware AI applications (RAG)
• Deep experience practicing Extreme Programming (XP), including pair programming, TDD, refactoring, and continuous integration.
• Proven experience building and maintaining production web or service based systems using modern frameworks.
• Experience with FastAPI or similar Python web frameworks
• Interest in applied AI, search, or automation use cases
• Strong familiarity with CI/CD pipelines, trunk-based development, and frequent integration practices.
• Experience designing or contributing to systems deployed in cloud environments (AWS or similar).
• Comfort working in environments emphasize collective code ownership, technical leadership, and continuous improvement.

Responsibilities

• Deliver high impact, LLM enabled solutions with a focus on quality, scalability, and long-term sustainability.
• Help define, champion, and evolve best practices for AI driven development across the engineering organization.
• Collaborate cross functionally, proactively identifying opportunities to support teams and improve shared systems.
• Lead by example through technical influence, mentorship, and confident knowledge sharing across teams.
• Reinforce a team first mindset where outcomes, learning, and ownership are shared.

Benefits

• Compensation offered for this role is 90,700.00 - 153,925.00 annually and is based on experience and qualifications.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed