Senior Software Engineer

Remote (US) | Reports to: Sr. Manager of Engineering

About the Role

15Five is a strategic, AI-powered performance management platform that helps organizations drive measurable outcomes across performance, engagement, and retention. 15Five transforms continuous people signals into targeted, data-driven action. By combining performance reviews, engagement surveys, HRIS data, goals, and manager workflows into one connected system, the platform turns insight into execution. Our AI ecosystem blends generative AI, predictive models, and structured people data to deliver intelligent guidance directly in the flow of work -helping Executives, HR leaders, and managers move beyond measuring people outcomes to actively improving them.A career at 15Five is the chance to have high impact in a fast paced, remote startup environment that operates with focus, urgency, and accountability. Every role and every hire meaningfully impacts our trajectory.

Role Details

What You'll Do

• Lead and contribute to initiatives to build AI experience in the Flow of Work, which includes but is not limited to Slack, MS Teams, Calendar, web, and email.
• Build and support 3rd party integrations with platforms like Slack, MS Teams, Google Calendar, Outlook, Zoom, Google Meet etc.
• Follow and implement software engineering best practices, and set the foundations for the Agentic Ecosystem and experience in the Flow of Work.
• Work across a diverse tech stack and gain robust experience with Python, React, JavaScript, Django, FastAPI, Relational and NoSQL Databases, etc.
• Work closely with Product/Software Engineers to design and build new innovative functionality helping managers and organizations; maintain and improve existing functionality to solve customer problems and bring customer delight and satisfaction.
• Leverage AI-assisted tools across the full development lifecycle - from design and code generation to testing, review, and deployment - while ensuring your code is correct, secure, and performant.
• Review code and architecture designs developed by other developers, and contribute to existing documentation along with creating new ones.
• Bring your Product mindset - contribute to the team's strategic planning, helping define the vision, goals, and roadmap.

What You Bring

• 5+ years of experience of software development, including significant experience with algorithms, design patterns and architectural patterns.
• Strong proficiency in programming languages like Python, React, JavaScript, Django, FastAPI, Relational and NoSQL database technologies.
• Experience with cloud-native development environments.
• Prior experience or familiarity with AI model building and running, or knowledge graphs is a plus.
• Experience integrating AI tooling into day-to-day engineering workflows, including areas like code review, testing, documentation, or CI/CD.
• Experience working remotely and effectively communicating and collaborating with different engineering, product, design, and customer facing teams.

Nice to Have

• Experience with agentic systems or autonomous agents.
• Exposure to DBT, Airflow, Snowflake, or similar technologies.
• Background in HR tech, people systems, or performance management.

Work Schedule

Fully Remote, Monday-Friday. Typical hours align with 9am-5pm ET, with flexibility.

Some early-morning meetings may be required to support cross-time-zone collaboration.

$120,500 - $160,000 a year

This role's Total Rewards package includes participation in an annual discretionary company bonus program, equity awards, and comprehensive benefit and wellbeing offering.

We offer amazing benefits that align with our values and culture at 15Five.

Your Health & Wellbeing

Medical, dental, vision with 15Five cost subsidy

Employer paid Short-Term, Long-Term Disability, and Term LifeFamily planning support with enhanced medical plans and consultation programs

Inclusive Benefits Stipend

Access to mental health and wellness resources

Your Life

Flexible Time Off Program

Generous paid leave for new parents

Military leave

Paid Company Holidays

Sabbatical Program

Your Future

401K with 4% Matching after 6 months

Your Work Life

Remote work

Work with experts in leadership, culture, and personal development

For more information see:

Our Mission, Vision, & Values -https://www.15five.com/about

Our People and Culture -https://www.15five.com/about/careers

Our Personal & Professional Development Resources -https://www.15five.com/resources/content-library

Reading over the role description and feeling like you don't check every box? That's okay; if you think you have what it takes but don't necessarily meet all the criteria, please apply-you could be exactly who we are looking for!