Senior Software Engineer

About 15Five

15Five is the AI-powered performance management platform built for business impact. 15Five’s AI-powered all-in-one people management system is easy to use, delivers effortless insights, and enables managers to lead with impact so that companies and their people can thrive. Within the flow of work, HR leaders are empowered with data-driven insights and recommendations while managers are transformed into change-makers, accelerating engagement, performance, and retention.

15Five combines generative AI, custom analytics, and human-centered principles within a complete platform, including 360° performance reviews, engagement surveys, goal tracking, manager coaching and training, and ongoing feedback tools like guided 1-on-1s and check-ins.

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.

We’re a high-performance, high-purpose team that gives you the chance to Build the Future of Work. We run on High Standards and High Support — holding a high bar for results, ownership, clarity, and disciplined execution, while investing in manager enablement, skill development, and whole-person care.

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.

What You’ll Do

• Lead and contribute to initiatives to build AI experience in the Flow of Work (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: Python, React, JavaScript, Django, FastAPI, DBT, Airflow, Snowflake, Relational and NoSQL Databases

• Collaborate with Product/Software Engineers to design and build new functionality; maintain and improve existing functionality to solve customer problems

• Leverage AI-assisted tools across the full development lifecycle — design, code generation, testing, review, and deployment

• Review code and architecture designs developed by other developers; contribute to documentation and create new ones

• Bring a Product mindset — contribute to strategic planning, vision, goals, and roadmap

What You Bring

• 5+ years of software development experience, including algorithms, design patterns, and architectural patterns

• Strong proficiency in programming languages like Python, Java, C++, Go, Scala; as well as SQL, Relational and No-SQL database technologies

• Experience with cloud-native development environments

• Familiarity with Python frameworks (Django is nice to have)

• Prior experience or familiarity with AI model building and running, or knowledge graphs is a plus

• Experience integrating AI tooling into engineering workflows (code review, testing, documentation, CI/CD)

• Experience working remotely and collaborating across engineering, product, design, and customer-facing teams

Nice to Have

• Experience with agentic systems or autonomous agents

• Exposure to DBT, Airflow, Snowflake, Django, 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

Compensation

$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.

Benefits

Your Health & Wellbeing

• Medical, dental, vision with 15Five cost subsidy

• Employer paid Short-Term, Long-Term Disability, and Term Life

• Family 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