Senior Software Engineer II, Fullstack (AI)

We require people to be on-site, 4 days/week at our NYC or Denver office and are unable to offer relocation support. LG Ad Solutions

The Opportunity:

Responsibilities:

• Design, develop, deploy and maintain scalable web applications across both frontend and backend. This includes developing UI features, APIs, and database integrations.
• Write clean, maintainable, and efficient code while adhering to best practices across the full technology stack.
• Develop responsive and intuitive user interfaces while simultaneously building robust backend services and APIs.
• Design and implement backend services, RESTful APIs, and microservices architectures to support application functionality and business logic.
• Manage databases and ensure data integrity through effective backend development. Optimize database queries and design efficient data models.
• Work on micro services which are integrated with the UI application, ensuring seamless communication between frontend and backend systems.
• Identify and address performance bottlenecks. Optimize system performance, scalability, and reliability across both client and server-side components.
• Troubleshoot and resolve complex technical issues across both frontend and backend systems.
• Conduct code reviews, providing constructive feedback to ensure high code quality and adherence to best practices.
• Provide technical mentorship to junior engineers and foster a culture of innovation.

Requirements:

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
• 5+ years of experience in full stack software development, with demonstrated ability to work effectively on both frontend and backend technologies.
• Proficiency in ReactJS/AngularJS/VueJS/TypeScript and NodeJS programming languages.
• Expertise in working with relational and NoSQL databases (e.g., MySQL, MongoDB, Redis). Experience with database design and optimization.
• Proficiency in writing and maintaining unit tests, integration tests, and end-to-end tests.
• Demonstrated ability to stay current with AI tools and emerging technologies, with a quick learning aptitude for adopting new tools and frameworks.
• Excellent problem-solving skills and attention to detail.
• Strong communication and collaboration abilities.
• Ability to coordinate and work with contractors/consultants and owning the work done by contractors.
• Preferred:
• Familiarity with the AdTech space.
• Familiarity with Scala/PySpark and Python.
• Experience with CI/CD pipelines.
• Familiarity with containerization (Docker) and orchestration (Kubernetes).
• Familiarity with Databricks.
• Familiarity with GenAI and AI Agents.
• LG Ad Solutions provides equal work opportunities to all team members and applicants, and it prohibits discrimination and harassment of any type on the basis of race, color, ethnicity, caste, religion, age, sex (including pregnancy), national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by our policies or federal, state, or local laws.
• We want to ensure that our hiring process is accessible. If you need reasonable accommodation for any part of the application process because of a medical condition or disability, please send an email to [email protected] to let us know the nature of your request.
• Application Deadline: December 31, 2026
• Compensation & Benefits
• Tier 1 (San Francisco Bay Area, New York City Tri-State Area, Los Angeles Metro Area, and Seattle Metro Area)$185,000 - $264,000/year
• Tier 2 (all other U.S. Locations outside of Tier 1) $162,000 – $231,000/yr
• Offers Bonus
• Benefits & Perks: 100% employer-paid medical, dental, and vision coverage for employees and eligible dependents. Company-paid life and AD&D, STD and LTD insurance, plus optional supplemental coverage. 401(k) with company match. Flexible Time Off (FTO). Paid parental leave.
• Certain markets, including the San Francisco Bay Area, New York City Tri-State Area, Los Angeles Metro Area, and Seattle Metro Area, are aligned to Tier 1 compensation bands. All other U.S. locations -including Denver - are aligned to Tier 2 compensation bands. The compensation offered will take into account internal equity and may vary depending on the candidate's geographic region, job-related knowledge, skills, and experience.

Preferred Qualifications

• Offers Bonus
• Benefits & Perks: 100% employer-paid medical, dental, and vision coverage for employees and eligible dependents. Company-paid life and AD&D, STD and LTD insurance, plus optional supplemental coverage. 401(k) with company match. Flexible Time Off (FTO). Paid parental leave.