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Full Stack Engineer II, APIs & Integrations



Software Engineering
Canada · Remote
Posted on Saturday, April 27, 2024

With our growing customer base and our expansion into new markets and use cases, we have more to build than ever at Affinity as we execute on our vision to put relationship intelligence at every professional's fingertips.

Reporting to our Senior Engineering Manager, you'll have the opportunity to push our product and platform in new directions while also shaping the next iterations of the features our customers already love. You'll help to drive the technical roadmap and implementation for the future of our external API layer, as well as our 3rd party integration platform. From front-end usability to backend algorithms, async workers, to event-driven messaging systems, you'll hone your skills across multiple domains while helping to drive forward the Affinity product and vision.

What you’ll be doing:

  • Own product areas that are critical to the success of our customers and our business.
  • Drive the technical best practices for our APIs and integrations that allow our platform to exceed its performance goals and help to increase engineering velocity.
  • Work with world-class engineering, product, and design teams - you'll have the opportunity to learn from a wide variety of experiences and, of course, to share your own.
  • Grow your expertise and fluency with core pieces of technology across the entire application stack.


Don’t meet every single requirement? Studies have shown that women and people of color are less likely to apply to jobs unless they meet every qualification. At Affinity, we are dedicated to building a diverse, inclusive, and authentic workplace, so if you’re excited about this role, but your past experience doesn’t perfectly align with the qualifications above, we encourage you to apply anyways. You may be just the right candidate for this or other roles.


  • You take pride in delivering high-quality and powerful products, including SaaS, to customers while also championing technical excellence.
  • You have 3+ years of experience as a software engineer, including familiarity with the different pieces of technology involved in building modern web applications.
  • You have experience developing backends in Ruby.
  • You have experience with modern front-end technologies such as React and TypeScript, and enjoy working on the client-side.
  • You’ve worked with a variety of web APIs and developed backend services using modern OOP practices.
  • You have a strong understanding of relational or NoSQL databases and the ability to diagnose performance bottlenecks.
  • You've helped your teams solve high-scale challenges, integrate systems, or harden your product’s security posture.
  • You're excited to work collaboratively within engineering and across functional teams.
  • You’re eager to contribute your ideas and experiences to help Affinity continuously improve as a product and as a company.

Tech Stack:
Our platform is built with React and TypeScript on the front end, and with Ruby and PostgreSQL on the back end. Our infrastructure is hosted by AWS and runs on Kubernetes.

What you'll enjoy at Affinity:

  • We live our values as playmakers, obsessed with learning, care personally about our colleagues and clients, are radically open-minded, and take pride in everything we do.
  • Health Care coverage and flexible personal & sick days. We want our team to be happy and healthy :)
  • We provide an annual budget for you to spend on education and offer a comprehensive L&D program – after all, one of our core values is that we’re #obsessedwithlearning!
  • We support our employee’s overall health and well-being and reimburse monthly for things such as; Transportation, Home Internet, Meals, and Wellness memberships/equipment.
  • Virtual team building and socials. Keeping people connected is essential.

Please note that the role compensation details below reflect the base salary only and do not include any equity, or benefits. This represents the salary range that Affinity believes, in good faith, at the time of this posting, that it will pay for the posted job.

A reasonable estimate of the current range is $80,000 to $132,000 CAD. Within the range, individual pay depends on various factors including geographical location and review of experience, knowledge, skills, abilities of the applicant.

About Affinity

With more than 3,000 customers worldwide and backed by some of Silicon Valley's best firms, Affinity has raised $120M to empower dealmakers to find, manage, and close more deals. How? Our Relationship Intelligence platform uses the wealth of data exhaust from trillions of interactions between Investment Bankers, Venture Capitalists, Consultants, and other strategic dealmakers to deliver automated relationship insights that drive over 450,000 deals every month. We are are proud to have received Inc. and Fortune Best Workplaces awards as well as to be Great Places to Work certified for the last 5 years running. Join us on our mission to make it possible for anyone to cultivate and fully harness their network to succeed.

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