Senior Software Engineer

15Five

Senior Software Engineer

Reposted Yesterday

Hiring Remotely in US

Remote

121K-160K Annually

Senior level

HR Tech • Other • Productivity

15Five develops effective managers highly engaged employees and top-performing organizations.

The Role

The Senior Software Engineer will build and enhance 15Five's Data Intelligence Platform while collaborating with Data Science and Product Engineering teams.

Summary Generated by Built In

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. We are committed to a No B.S. environment meaning we anchor ourselves in truth course-correct in real time and expect people to lean into direct conversations. We are focused on ensuring every 15Fiver can Work in the Future and that starts with proactively using AI across all aspects of your role to increase leverage speed and impact.

If you're energized by a fast pace high standards and high accountability for yourself and others you'll thrive here and we encourage you to apply.

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.

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!

15Five follows equitable hiring practices. Our compensation programs are designed to attract motivate and retain talented employees who are highly engaged high performing and have an exceptional impact on the business and our customers.

The salary range displayed on each job posting reflects the target for new hire salaries for the role across all US locations. Within the range individual pay is determined by budget allocated for the role and additional factors including job-related competencies and skills experience and relevant education or training. Please note that the compensation details listed in US job postings do not reflect added total compensation including equity or benefits.

In compliance with federal law all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire.

Skills Required

5+ years of software development experience
Proficiency in languages used for data and AI
Solid understanding of data engineering concepts
Experience with cloud-native big-data environments
Strong communication skills and comfort collaborating across teams

View all jobs at 15Five

View 15Five Profile

Report Job

Am I A Good Fit?

beta

Get Personalized Job Insights.

Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company

100 Employees

Year Founded: 2011

What We Do

Founded in 2011 15Five equips HR leaders to play a strategic role in their company’s growth. HR leaders use 15Five to combine engagement performance and OKRs on one platform so they can make insightful decisions and take strategic action. Unlike other “command and control” performance systems 15Five uses the latest in people science to turn managers and employees into self-driven owners of performance and engagement. To further the impact of talent on company growth 15Five also provides education coaching and community for HR leaders managers and employees. HR leaders at over 3000 companies including Credit Karma Spotify and Pendo rely on 15Five’s software and services to make their talent a growth driver.

Why Work With Us

A career at 15Five is more than a job. Our culture embraces personal and professional growth empowering you to be your best and to bring your whole self to work. We help people become their best selves to create highly-engaged high-performing organizations starting with ours.