Lessen · 5 hours ago
Senior Software Developer I
Chicago, IL
Full-time
Hybrid
Senior Level
5+ years expLessen is a tech-enabled property service provider transforming real estate services. The Senior Software Developer will manage software development activities, leading a team to design, build, and maintain enterprise-grade software solutions.
Online PortalsProperty ManagementReal EstateRental Property
Responsibilities
Oversee the work of a team responsible for designing, building, testing, deploying, maintaining, and supporting applications or systems software
Work to establish functional requirements and reviews solutions to ensure organizational needs are met
Select and oversee implementation of one or more software development methodologies
Develop short- and long-term product roadmaps to ensure continuous improvement of software
Document and demonstrate solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments and clear code
Prepare and install solutions by determining and designing system specifications, standards and programming
Improve operations by conducting system analysis, recommending changes in policies and procedures
Protect operations by keeping information confidential
Mentor junior developers
Keep up to date on the newest technological innovations in the field and be ready to apply relevant innovations
Optimize new and existing applications
Foster a positive team environment
Ensure confidentiality of internal and external data
Perform ad-hoc projects and other duties as assigned
Qualification
Required
Comprehensive understanding of object-oriented and service-oriented application development techniques and theories
Solid understanding of relational database design and querying concepts
Exposure to Microsoft .NET development using C#, or JAVA or other major languages
Exposure to web development using HTML5, CSS and JavaScript
Familiar with Design Pattern, algorithm
Knowledge of client/server application development
Knowledge of agile development methodologies
Knowledge of unit testing theory
Experienced with source control management systems and continuous integration/deployment environments
Experienced with debugging, performance profiling and optimization
Internally motivated, able to work proficiently both independently and in a team environment
Strong communication skills with both internal team members and external business stakeholders
Strong initiative to find ways to improve solutions, systems, and processes
Bachelor's degree in Computer Science, or with equivalent professional experience
5+ years of experience as a software developer
Preferred
Fluent in English and Mandarin preferred
Benefits
Health, Dental, Vision, Life, Disability options
401K retirement savings plan
Paid vacation, federal and floating holidays
Maternity/Paternity Pay
Career advancement opportunities
All the tools you'll need to be successful
Company
Lessen
Lessen is an online platform for managing properties and maintenance services.
501-1000 employees
H1B Sponsorship
Lessen 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 (10)
2024 (9)
2023 (4)
2022 (4)
Funding
Current Stage
Late StageTotal Funding
$735MKey Investors
Legacy KnightFifth WallNavitas Capital
2023-01-12Series Unknown· $500M
2023-01-12Debt Financing
2022-05-01Series B· $30M
Leadership Team
J
Jay McKee
Founder and CEO
Sean Miller
Chief Revenue Officer (CRO)
Recent News
www.finsmes.com
2026-01-09
General catalyst
2026-01-08
Business Wire
2025-11-11
Company data provided by crunchbase