The Senior Software Developer oversees a team, manages software development processes, implements methodologies, and mentors junior developers, while ensuring high-quality enterprise-grade software delivery.
Lessen is the tech-enabled, end-to-end property service provider that is transforming how commercial and residential real estate services are delivered and managed at scale. Lessen’s technology platform provides data-driven insights that unlock key growth opportunities for the entire real estate ecosystem—including investors, owners, managers, and service providers. The company leverages a network of over 30,000 vetted, qualified vendors (Lessen Affiliates) serving clients with over 1 million properties and completing more than 3.5 million work orders annually across an expanding range of services. Lessen, LLC is a venture-backed, privately held company with offices in Scottsdale and Chicago.
This role is based in Chicago, working in the office on Monday, Tuesday and Thursday.
Job Summary
The Senior Software Developer supports the Product and Technology Department by managing day-to-day activities within the organization's software development function. Senior Software Developer is part of an agile development team building and working on enterprise-grade software. Senior Software Developer is involved in all areas of development, from design to development to testing. They lead a small team of Software Developers.
What You’ll Do
- 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
What You'll Need
- 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
- Fluent in English and Mandarin preferred
- 5+ years of experience as a software developer
- Hands-on experience building and deploying AI/ML features in production systems
- Familiarity with real-world use cases (prediction, NLP, vision, recommendation, anomaly detection)
- Ability to translate business problems into AI solutions
Minimum Qualifications
Why Lessen:
· Competitive compensation
· 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
Lessen is intentional about attracting, developing, and retaining amazing talent from diverse backgrounds. We’re looking for teammates that are enthusiastic, empathetic, curious, motivated, reliable, and will help us amplify the positive & inclusive culture we’ve been building. Lessen is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veteran or disabled status, or genetic information.
Top Skills
C#
CSS
HTML5
Java
JavaScript
Similar Jobs at Lessen LLC
Cloud • Real Estate • Software • PropTech
Manage client relationships for residential property services, identify growth and upsell opportunities, ensure project alignment with client needs and budgets, track KPIs, resolve client issues, and collaborate cross-functionally to drive retention and revenue growth.
Top Skills:
Crm Software,Data Analytics Software,Spreadsheets,Project Management Platforms,Communication Software
Cloud • Real Estate • Software • PropTech
The Account Representative manages client account services, ensuring satisfaction and operational efficiency while coordinating with internal and external stakeholders to address client needs and improve operations.
Top Skills:
ExcelMicrosoft WordOutlookPowerPoint
Cloud • Real Estate • Software • PropTech
Manage client relationships in the Residential department, identify growth and upsell opportunities, ensure project alignment with client needs, monitor KPIs, lead retention efforts, coordinate cross-functional teams, and maintain budget and satisfaction metrics.
What you need to know about the Boston Tech Scene
Boston is a powerhouse for technology innovation thanks to world-class research universities like MIT and Harvard and a robust pipeline of venture capital investment. Host to the first telephone call and one of the first general-purpose computers ever put into use, Boston is now a hub for biotechnology, robotics and artificial intelligence — though it’s also home to several B2B software giants. So it’s no surprise that the city consistently ranks among the greatest startup ecosystems in the world.
Key Facts About Boston Tech
- Number of Tech Workers: 269,000; 9.4% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Thermo Fisher Scientific, Toast, Klaviyo, HubSpot, DraftKings
- Key Industries: Artificial intelligence, biotechnology, robotics, software, aerospace
- Funding Landscape: $15.7 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Summit Partners, Volition Capital, Bain Capital Ventures, MassVentures, Highland Capital Partners
- Research Centers and Universities: MIT, Harvard University, Boston College, Tufts University, Boston University, Northeastern University, Smithsonian Astrophysical Observatory, National Bureau of Economic Research, Broad Institute, Lowell Center for Space Science & Technology, National Emerging Infectious Diseases Laboratories
