Senior Software Engineer, Justworks
Onboarding
$167.5-205k
Business operations platform
Open for applications
Business operations platform
1001+ employees
Open for applications
$167.5-205k
1001+ employees
Company mission
To help entrepreneurs and businesses grow with confidence.
Role
Who you are
- Minimum of 6 years of professional hands-on experience
- Expertise in backend systems
- Strong object-oriented design and coding skills
- Strong understanding of data structures and algorithms
- Experience modeling complex real-world problems with robust data models and systems
- Experience supporting other engineers and acting as a “tech lead”
- Experience using Agile/Scrum methodology in a fast-paced environment
- Experience in a high-growth environment working with deadlines and milestones
What the job involves
- As a Senior Software Engineer, you will be leveraging your experience working within a service-oriented architecture
- You will be responsible for separating data and functionality as necessary, and will demonstrate an understanding and use of automated testing as a productivity multiplier
- You are eager to learn and passionate about improvement
- You want to understand how systems work, and you think about how to make them work even better
- You will work closely with product managers, designers and other engineers to scope, design, and build new features and functionality
- You will be working primarily on backend systems
- We’re currently using Ruby on Rails as our main language, but prior experience in RoR is not a requirement
- The Onboarding teams transform a weeks-long, support-heavy onboarding process into a fully self-serve experience, leveraging AI-powered data ingestion and real-time validation to take companies from signed contract to running payroll in a matter of days
- A core part of this work is unifying how people join Justworks — today, full-time, contractor, and international hires across PEO, ASO, and EOR each follow entirely different flows, and this role brings them all into one
- Ultimately, this is about building the first product experience every new customer has
- If onboarding feels hard, nothing else matters — making this role a direct driver of activation rate, time-to-first-payroll, and onboarding completion
- Collaborate with a cross functional team to design a next-generation platform to unlock new business capabilities
- Take ownership of designing and implementing APIs, systems integrations and backend services
- Promote engineering excellence through technical leadership, knowledge-sharing and mentorship
- Instate best-practices observability and monitoring as “first principles” of all our services
- Keep extremely sensitive data compartmentalized and secure
- Perform other related duties as assigned
- Technologies Used
- Languages: Ruby on Rails, Javascript
- Messaging / APIs: Kafka, GraphQL, Apollo, Redis
- Infrastructure: Kubernetes, Docker, CircleCI, DataDog, AWS
Our take
Justworks operates in an increasingly crowded space of all-in-one business operation suites, that include tools like human resources, payroll, employee management, benefits, and others that businesses critically need to operate as they scale.
Globally, human resource management has become an extremely fertile field, creating great opportunity for Justworks to continue to grow. The company is regarded as a market leader, but does see competition in the shape of Paychex Flex, Rippling, Paylocity, and TriNet, among others.
Justworks' solutions have proven extremely popular with SMEs, and this has not gone unnoticed by investors - with the company picking up considerable amounts of funding. The company is known to have sights on going public, though these were delayed somewhat by market conditions. That said, it has continued to expand operations and acquired Via in 2024, signalling that its going strong.
Steph
Company Specialist at Welcome to the Jungle
Insights
24% employee growth in 12 months
Company
Funding (last 2 of 7 rounds)
Nov 2023
$16.9m
LATE VC
Jan 2020
$50m
SERIES E
Total funding: $159.9m
Company benefits
- Paid volunteer work
- Paid parental leave
- Work from home opportunities
- Medical, dental, and vision insurance, plus access to One Medical, Kindbody, and Teladoc
- Premium access to Headspace, ClassPass stipends, and webinars to support your overall wellness on topics like nutrition, budgeting, mindfulness, and more
- All Justworks offers include equity, and Justworkers can continue to earn more over time with promotions and tenure
- Extensive learning & development opportunities through workshops, ExecOnline, Udemy, and BetterUp coaching
- Apprenticeship program that supports internal movement and growth
Company HQ
Fulton Ferry District, NY
Leadership
Isaac Oates
(Founder & Director)Experience as a Senior Product Manager at Amazon before founding Adtuitive and serving as COO for a year. Left this position to spend 3 years as a VP at Etsy, before founding Justworks.
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