All offersWarszawaJSSenior Backend Developer (Node.js)
Senior Backend Developer (Node.js)

Senior Backend Developer (Node.js)

Type of work
Employment Type
Operating mode

Tech stack





    Google Cloud Platform















    nice to have

Job description

Online interview
Friendly offer

Who We Are

In today’s economy, an increasing number of workers are choosing to freelance. By 2027, half the U.S. workforce will be independent contractors. Yet there is no system of record for this vast self-employed community and the legions of businesses that increasingly rely on it. A new paradigm is needed to accommodate the future of work that is suddenly no longer in the future. That is what Wingspan is building.

Wingspan is the first payroll platform designed specifically for independent contractors and their businesses. We make onboarding, payments, and compliance easy for flexible workforces of all sizes. Whether you’re a one-person business or a large enterprise, Wingspan has you covered.

We’re a Series A startup based in NYC with backing from some of the best VCs and operators around, including Andreessen Horowitz (a16z) and the CEOs and founders of Warby Parker, Harry’s, Allbirds, Invision, and Flatiron Health. 

Now we're hiring for you: an ambitious engineer ready to help build, design, and support enterprise-grade software scaled to millions of individuals.

Are you ready to be part of a team redefining the future of work? Apply now!

Role Impact:

As a Senior Software Engineer at Wingspan, you'll be pivotal in developing software that shapes business and impacts lives. You'll work with a team of skilled engineers, driving our industry leadership and ensuring our products excel.

What you'll do:

  • Develop scalable, high-quality software solutions.
  • Collaborate with Product, UX/UI, and QA for timely project delivery.
  • Refine software, focusing on efficiency and best practices.
  • Participate in agile processes for project success and team alignment.
  • Mentor and contribute to our engineering culture.


  • Expertise in back-end programming (Node & Typescript preferred).
  • Knowledge of RESTful APIs, microservices, and API design.
  • Proficiency in Git, version control, and CI/CD pipelines.
  • Strong collaboration skills in cross-functional teams.
  • Proactive in process improvement and best practices.


  • 5+ years in software development.
  • Background in object-oriented programming.
  • Understanding of data structures, algorithms, and design principles.
  • Familiarity with software testing methodologies.
  • Agile development process experience.

Nice to have:

  • SQL/noSQL, data modeling, and data warehousing skills.
  • Experience with DBT or similar tools.

Our Tech Stack:


  • Node.js, TypeScript
  • Internal framework based on Express
  • Own approach to microservices + gRPC
  • Jest, Mocha


  • React, TypeScript (end-to-end types), react-query
  • Prime react (internal components library), SCSS
  • Jest, cypress 


  • GCP 
  • Kubernetes, Cloud Function, MongoDB, Redis, BigQuery


  • Github Codespaces

Recruiting Process Overview:

  • Recruiter Phone Screen - Discuss the role and mutual fit.
  • Hiring Team Screen - Explore your background and role alignment. 
  • Virtual Onsite - Meet 2-4 team members, focusing on specific topics. 
  • Post-onsite updates provided within a week.

Our Benefits:

  • Exciting Team Offsites: Experience memorable team offsites for collaboration and fun.
  • Workstation: Latest MacBook Pro with multiple configuration/color options.
  • Equity Ownership: Share in our success with company equity.
  • Flexible PTO: Enjoy adaptable Paid Time Off.
  • Learning Stipend: Advance your skills with a substantial development stipend.
  • Cutting-Edge Tech Stack: Immerse yourself in the latest technology and trends.

We appreciate candidates who are open and honest about what they’re looking for so we can ensure it’s a fit on both sides.

Wingspan does not accept agency-provided resumes from recruitment firms we do not partner with, and any unsolicited resumes sent to our job-related emails or staff will not result in charges to Wingspan.

At Wingspan, we are an equal opportunity employer passionately dedicated to fostering a diverse and inclusive workplace. We wholeheartedly believe that embracing diversity of perspectives and backgrounds is essential to building the best products and providing delightful experiences for our users and team members. We are proud to maintain an environment free from discrimination, retaliation, and harassment.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, ancestry, ethnicity, marital status, pregnancy, disability, genetic information, protected veteran status, or any other characteristic protected by law or ordinance. As we strive for excellence, we are committed to ensuring fair employment practices and business dealings and rejecting any form of discrimination or retaliation. These protections and commitments extend to all management practices and decisions, including recruitment and hiring, appraisal systems, promotions, training, and career development programs. Consistent with these obligations, Wingspan also provides reasonable accommodations to employees and applicants with disabilities and for sincerely held religious beliefs, observances, and practices.

If you would like to request an accommodation as part of the application process, please contact [Clifton Jadoo at].

Join us in our mission to create a company and products we love, as we celebrate our diverse workforce and promote an inclusive work environment that drives innovation and success.