Senior Software Engineer

JLL empowers you to shape a brighter way.  

Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong.  Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward.   

We are seeking a Senior Software Engineer with strong hands-on backend development experience and the ability to contribute to software architecture and system design. You will work on a core product within JLL’s Smart Building Solutions, building scalable platforms for IoT-driven, data-intensive systems.

This role focuses on Java and Python development, distributed systems, time-series data, and emerging Agentic AI capabilities, with collaboration across global teams.

Responsibilities

• Design, develop, and maintain backend services using Java and Python in large-scale, distributed environments.

• Build and optimize applications using time-series, SQL databases, Key-Value stores, Document databases and similar data storage technologies

• Design and evolve highly scalable architectures, applying distributed computing and message-driven design principles.

• Build and maintain CI/CD pipelines and infrastructure automation using tools such as GitHub Actions, Terraform, JFrog, and Octopus.

• Leverage Agentic AI, MCPs (Model Context Protocols), and developer agents to improve engineering productivity and code quality, including hands-on workflows in tools such as Cursor IDE.

• Contribute to the development of product-facing intelligent agents, including MCPs, agent orchestration, vector databases, and RAG-based solutions.

• Contribute to software architecture, technical design, and code quality standards.

• Follow Agile practices and collaborate with geographically distributed teams.

Requirements

• BS or MS in computer science, or related field.

• 5+ years of hands-on industry experience delivering complex backend systems.

• Strong proficiency and hands-on advanced experience in Java and/or Python.

• Experience with time-series databases (SkySpark, TimescaleDB, InfluxDB) and relational databases (PostgreSQL, SQL Server).

·         Extensive Experience of authentication and authorization frameworks, including OAuth, OIDC, SAML, and Okta.

• Experience with distributed systems, MQTT, REST, and message-driven architecture.

• Experience with CI/CD and infrastructure automation (GitHub Actions, Terraform, JFrog).

• Knowledge of BMS/IoT ecosystems and protocols (BACnet, Haystack, Modbus).

• Experience with Agentic AI, MCPs, vector databases, or RAG systems is a strong plus.

• AWS experience is preferred, including exposure to Bedrock and AgentCore, EKS, MSK, API Gateway, DynamoDB, Batch, Lambdas and S3.

• Excellent written and verbal communication skills; detail-oriented and strong critical thinker.

• Proven ability to analyze complex problems, decompose them into actionable solutions, and deliver outcomes.

What we can do for you: 

At JLL, we make sure that you become the best version of yourself by helping you realize your full potential in an entrepreneurial and inclusive work environment. We will empower your ambitions through our dedicated Total Rewards Program, competitive pay and benefits package. 

Location:

Scheduled Weekly Hours:

If this job description resonates with you, we encourage you to apply even if you don’t meet all of the requirements.  We’re interested in getting to know you and what you bring to the table!

At JLL, we harness the power of artificial intelligence (AI) to efficiently accelerate meaningful connections between candidates and opportunities. Using AI capabilities, we analyze your application for relevant skills, experiences, and qualifications to generate valuable insights about how your unique profile aligns with the specific requirements of the role you're pursuing.

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Jones Lang LaSalle (“JLL”) is an Equal Opportunity Employer and is committed to working with and providing reasonable accommodations to individuals with disabilities.  If you need a reasonable accommodation because of a disability for any part of the employment process – including the online application and/or overall selection process – you may email us at [email protected]. This email is only to request an accommodation. Please direct any other general recruiting inquiries to our Contact Us page > I want to work for JLL.