Senior Software Engineer, Justworks

Partner API

$167.5-205k

AWS
Docker
Redis
Go
Ruby
Vue.js
MySQL
Git
Rails
Ruby on Rails
Datadog
Senior level
New York
Justworks

Business operations platform

Be an early applicant

Justworks

Business operations platform

1001+ employees

FintechB2BEnterpriseHRCompliancePaymentsSaaS

Be an early applicant

$167.5-205k

AWS
Docker
Redis
Go
Ruby
Vue.js
MySQL
Git
Rails
Ruby on Rails
Datadog
Senior level
New York

1001+ employees

FintechB2BEnterpriseHRCompliancePaymentsSaaS

Company mission

Justworks' mission is to help entrepreneurs and businesses grow with confidence.

Role

Who you are

  • You are committed to engineering excellence, employing automated testing and continuous integration as productivity multipliers
  • You have a strong desire to understand complex systems and a drive to make them work better
  • Minimum of 5 years of professional hands-on experience in software development, specifically with API design and implementation
  • Expert proficiency in Go, with extensive experience in building and scaling high-performance RESTful APIs
  • In-depth understanding of OAuth2, MySQL, Docker, Redis, and service-oriented architectures, with a proven track record of implementing and optimizing these technologies in production environments
  • Significant experience with OpenAPI specifications and service-to-service communication, including the ability to lead the design and documentation of API contracts
  • Proven leadership experience in guiding architectural decisions and mentoring junior engineers
  • Working knowledge of Ruby on Rails and a willingness to contribute to or oversee its integration within the broader system
  • Familiarity with modern frontend frameworks, particularly Vue.js, to support integration and collaboration with frontend teams, with the ability to contribute to full-stack solutions as needed
  • Strong understanding of data structures, algorithms, and system design, with the ability to apply this knowledge to solve complex problems at scale
  • Experience working in Agile/Scrum methodology in a fast-paced environment, with a history of delivering on deadlines and milestones in a high-growth setting
  • Demonstrated ability to lead and influence cross-functional teams, driving the successful delivery of complex projects
  • Good Judgment - Apply critical thinking to analyze, assess, and solve complex problems, understanding risks and making informed decisions
  • Resourcefulness - Demonstrate a can-do attitude, overcoming obstacles and constraints with innovative solutions, even when faced with unknowns
  • Teamwork and Communication - Work effectively with others, building strong relationships, communicating clearly, and sharing knowledge to achieve collective success
  • Influence and Leadership - Lead by example, mentoring others, fostering collaboration, and driving forward-thinking initiatives
  • Skills and Knowledge - Continuously learn and apply specific domain knowledge and best practices to enhance and improve our APIs and services
  • In addition, all Justworkers focus on aligning their behaviors to our core values known as COGIS. It stands for:
  • Camaraderie - Day to day you can be seen working together toward a higher purpose. You like to have fun. You’re an active listener, treat people respectfully, and have a strong desire to know and help others
  • Openness - Your default is to be open. You're willing to share information, understand other perspectives, and consider new possibilities. You’re curious, ask open questions, and are receptive to thoughts and feedback from others
  • Grit - You demonstrate grit by having the courage to commit and persevere. You’re committed, earnest, and dive in to get the job done well with a positive attitude
  • Integrity - Simply put, do what you say and say what you'll do. You’re honest and forthright, have a strong moral compass, and strive to match your words with your actions while leading by example
  • Simplicity - Be like Einstein: “Everything should be made as simple as possible, but no simpler.”

What the job involves

  • As a Senior Software Engineer specializing in APIs, you will play a critical role in architecting and maintaining the services that power our platform. You will use your deep expertise in service-oriented architecture to design scalable, reliable, and secure APIs
  • In this role, you will collaborate closely with product managers, UX designers, and other engineers to scope, design, and build new API functionalities, ensuring they meet the highest standards of performance and reliability. Your primary focus will be on backend development using Go, with a willingness to support frontend integration where necessary
  • Collaborate with cross-functional teams to identify and solve customer challenges through robust API solutions
  • Take ownership of designing and developing high-performance, scalable APIs that support our partner integrations and core services
  • Lead by example, promoting engineering excellence through technical leadership, knowledge-sharing, and mentorship within the team
  • Enhance the reliability and scalability of our high-volume, fault-tolerant processing infrastructure
  • Implement and optimize internal services to support seamless service-to-service communication
  • Continuously improve our testing, monitoring, and continuous deployment infrastructure to ensure the resilience and security of our APIs
  • Ensure that sensitive data handled by our APIs remains secure and compartmentalized
  • Perform other related duties as assigned, including contributing to frontend integration efforts when needed
  • Technologies Used: Go, MySQL, OAuth2, Docker, Redis, REST APIs, OpenAPI, Microservices, Vue.js, AWS, Git, CircleCI, DataDog, Ruby on Rails

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, worth over $20 billion annually and predicted to grow to over $50 billion annually by 2030 - 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.

Solutions delivered by Justworks have proven to be extremely popular with SMEs, and this has not gone unnoticed by investors, with the company picking up exceptional amounts of funding. Justworks is known to have sights on going public, though action towards this end has been delayed until global mass-market conditions have settled from a period of volatility. However, the company's acquisition of

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Steph

Company Specialist

Insights

Top investors

Some candidates hear
back within 2 weeks

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.
  • Engineering Apprenticeship program that supports internal movement and growth

Company values

  • Camaraderie: As a growing company, we know how crucial teamwork, higher purpose, and a healthy dose of fun can be to success. Be an active listener, treat people respectfully, and have a strong desire to know and help others.
  • Openness: We believe in radical transparency. This means being willing to share information, understand other perspectives, and consider new possibilities. Be curious, ask open questions, and be receptive to thoughts and feedback from others.
  • Grit: They say when the going gets tough, the tough get going. We are a team of hardworking individuals with the courage to persevere. Be committed, be earnest, and dive in to get the job done well with a positive attitude.
  • Integrity: We do the right thing. Be honest and forthright, have a strong moral compass, and strive to match your words with your actions while leading by example.
  • Simplicity: We make things easy for everyone to understand and do. Be innovative, unafraid of streamlining processes, a clear and concise communicator, and don't overcomplicate solutions.

Company HQ

Fulton Ferry District, NY

Leadership

Isaac Oates

(Executive Chair)

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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