Staff Software Developer

JLL•Vancouver, BC

1d•CA$159,100 - CA$238,700•Onsite

About The Position

As a Staff Software Developer at JLL, you will lead the design and implementation of complete features spanning React frontend, C# backend services, database layer, and deployment pipeline. This senior technical role requires you to discover problems, determine their criticality, and drive your own projects to successful conclusion while mentoring junior engineers. You'll design and build scalable geospatial solutions leveraging the ArcGIS stack, set up end-to-end DevSecOps processes, and take leadership roles in large projects. Working closely with Product Managers and business stakeholders in fast iteration cycles, you'll leverage AI coding assistants and enterprise software agents to rapidly develop production-quality code while maintaining the highest quality standards.

Requirements

8+ years of professional software engineering experience
Hands-on experience with modern LLM APIs across multiple providers, including prompt engineering, tool use/function calling, structured outputs, and context engineering
Strong ability to review, validate, and debug AI-generated code with strong engineering judgment to know when to trust AI output and when to intervene
ArcGIS JS development and integration experience
Solid understanding of backend systems, microservice architectures, and distributed systems in Python, Node.js, Java, Go, or C#
Experience designing and maintaining RESTful or gRPC APIs
Solid experience with a major cloud platform (AWS, Azure, or GCP)
Experience with relational databases (PostgreSQL, MySQL) and NoSQL databases (MongoDB, DynamoDB)
Working knowledge of CI/CD, infrastructure-as-code, and containerization (Terraform, Docker, Kubernetes)

Nice To Haves

Experience building or deploying LLM-enabled systems, AI agents, or agent orchestration frameworks
Experience designing evaluation and testing frameworks for AI/agent-generated outputs
Familiarity with enterprise AI/agent platforms and tool ecosystems
Front-end experience with React, Angular, or Vue.js for internal tools and dashboards
Experience in Commercial Real Estate, Research, Financial Services, or other data-intensive domains
Experience modernizing legacy systems or migrating platforms to cloud-native architectures

Responsibilities

Lead solution design and independently create solutions for ill-defined or complex problems that cross domains, considering interactions with other systems and future maintenance
Design and build scalable geospatial solutions leveraging the ArcGIS stack to surface enterprise data, optimizing spatial data workflows and query performance
Set up end-to-end solution structure, DevSecOps tooling and processes using Octopus Deploy and cloud technologies while taking leadership roles in large projects
Leverage AI coding assistants and enterprise software agents to rapidly develop, test, and iterate on production-quality code with strong ability to review, validate, and debug AI-generated outputs
Own quality assurance through comprehensive testing approaches including unit testing, system integration testing, and user acceptance testing, developing robust tests to cover all relevant cases
Triage complicated failures and drive to resolution independently, helping others with their troubleshooting and root cause analysis
Mentor junior engineers on proper standards and techniques to improve their accuracy and efficiency while providing ongoing support to applications used within the organization

Benefits

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Jones Lang LaSalle (JLL), together with its subsidiaries and affiliates, is a leading global provider of real estate and investment management services.
Jones Lang LaSalle (“JLL”) is an Equal Opportunity Employer and is committed to working with and providing reasonable accommodations to individuals with disabilities.
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At JLL, we give you the opportunity, knowledge and tools to own your success, because we value what makes each of us unique.
We help our people thrive, grow meaningful careers and find a place where they belong.
Together, we strive to be exceptional and shape a better world.
For over 200 years, JLL (NYSE: JLL), a leading global commercial real estate and investment management company, has helped clients buy, build, occupy, manage and invest in a variety of commercial, industrial, hotel, residential and retail properties.
A Fortune 500® company with operations in over 80 countries around the world, our employees bring the power of a global platform combined with local expertise.
Driven by our purpose to shape the future of real estate for a better world, we help our clients, people and communities SEE A BRIGHTER WAYSM.
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