JLL · 1 day ago
Senior Software Engineer
Chicago, IL
Full-time
Hybrid
Senior Level
$120K/yr - $150K/yr
7+ years expJLL is seeking a Full Stack Software Engineer to join their GenAI and Central Platform teams. The role involves designing, developing, and maintaining applications and services for next-generation AI assistants and RAG systems, with a focus on scalable architecture and modern API development.
CommercialReal Estate
Responsibilities
Design, implement, and support RESTful APIs, backend services, and microservices architectures using Python and Node.js
Develop full stack solutions incorporating frontend (JavaScript frameworks) and backend components for scalable enterprise applications
Build, optimize, and maintain search and retrieval systems, including integration with vector databases and information retrieval technologies
Collaborate with data engineers to integrate AI/ML models and RAG systems into production
Implement prompt engineering and optimization strategies to improve intelligent assistant interactions and AI-powered applications
Lead maintenance, bug fixing, troubleshooting, and enhancements of existing codebases, ensuring reliability and performance
Apply robust error handling, automated logging, and monitoring best practices for mission-critical cloud software
Contribute to CI/CD pipeline automation, testing strategy, and quality assurance using Git, GitHub Actions, and Azure DevOps
Support architectural discussions, code reviews, and technical decision-making processes for engineering excellence
Translate business and functional requirements into technical deliverables in collaboration with cross-functional teams
Stay current with emerging technologies and best practices in AI/ML, full stack development, cloud infrastructure, and search optimization
Author and contribute to technical documentation, runbooks, and knowledge sharing initiatives
Qualification
Required
Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related discipline
At least 7 years of relevant experience in full stack software engineering; designing and delivering production applications
Hands-on experience with Python and Node.js in enterprise environments
Competency in modern frontend frameworks (React, Angular, or equivalent)
Solid experience building APIs, microservices, and distributed systems in Azure or other major cloud platforms (AWS, GCP)
Familiarity with containerization (Docker, Kubernetes) and infrastructure-as-code in cloud settings
Proficient in CI/CD, version control (GitHub/Git), and automated testing frameworks
Experience with database technologies including SQL Server, CosmosDB, and both relational and NoSQL data modeling
Able to work independently and as part of cross-functional teams, delivering comprehensive applications and solutions
Demonstrates clear, proactive communication and cultivates strong business relationships across teams and departments
Interprets, monitors, and analyzes data to resolve inconsistencies in non-routine challenges
Contributes to planning, implementation, and continuous improvement for software projects
Exercises sound judgment and provides input in technical decision-making processes
Balances multiple assignments and effectively adapts to shifting priorities in fast-paced environments
May provide guidance, training, and technical leadership to junior engineers
Preferred
Experience with vector databases, information retrieval systems, and optimizing search performance (highly preferred)
Exposure to prompt engineering, LLM integration, or AI tools is an advantage; RAG project experience strongly preferred
Company
JLL
We’re a leading professional services firm that specializes in real estate and investment management.
10001+ employees
H1B Sponsorship
JLL has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (70)
2024 (47)
2023 (60)
2022 (68)
2021 (39)
2020 (43)
Funding
Current Stage
Public CompanyTotal Funding
$1.59B2025-11-03Post Ipo Debt· $565.35M
2023-11-08Post Ipo Debt· $400M
2019-05-29Post Ipo Debt· $46.5M
Leadership Team
Christian Ulbrich
President, CEO & Director
Jones Lang LaSalle
Global CEO, Capital Markets and Member
Recent News
Morningstar.com
2025-12-29
2025-12-17
Company data provided by crunchbase