Invoice Simple's mission is to build the world's simplest way for freelancers and contractors to run and grow their businesses. Today we help over 175,000 paying customers run their businesses simply. Combined our customers invoice for over $12 billion per year. We're profitable, and we're continuing to grow rapidly as we expand past invoicing into payments, financing, jobs and more. With your help we'll help a million+ small businesses succeed and grow!

Invoice Simple is seeking a Senior Web Engineer to join our small team. You’ll be a a key part of the engineering team, working with our product designer and product management to deliver incredible user experiences to freelancers and contractors who rely on us to run their businesses.

What you will be doing

  • Work with Product Management to evolve our apps from something that gets the job done to something businesses can’t do without
  • Drive significant business growth by developing and deploying new products and features
  • Achieve amazing reliability by establishing automated testing practices
  • Delight users by leveraging analytics, working with customer support to develop empathy, and gaining a deep understanding of small business


  • Own and execute features at all layers—UI, client-server communication, database, test automation and SDK.
  • Contribute to all phases of product development—roadmap, requirements, design, release, QA & customer support.
  • Release frequently
  • Be data driven. Use metrics and analytics to understand users and identify opportunities.
  • Delight customers. Respond to customer support requests, understand users’ needs, build a product people love.
  • Go beyond just code. Take on any task that comes your way so we can hit our goals


  • 3+ experience building complex front-end applications in Javascript, HTML, CSS, ideally with React
  • Great product sense and the ability to think through user experience issues before diving into the code
  • Ability to write maintainable, testable, and performant JavaScript and Typescript
  • A love for implementing great UI
  • Enjoyment for debugging all aspects of the front-end app including memory leaks and quirky CSS across browsers
  • Significant experience with REST APIs and a thorough understanding of HTTP requests
  • Willingness to challenge your own ideas and preconceptions with experiments and data


We'd love to be impressed! Please show us what you can do by completing challenge and including it with your application

You'll receive a confirmation email from us after applying, if you want to add anything to your application please reply to that email. If you have any questions you can reach us at [email protected].

Here's what we offer

  • Growing and profitable

    We've been profitable every quarter since the beginning of 2015, and we've been growing significantly non stop.

  • High end hardware

    Need something to make your work more productive or enjoyable? Just let us know. Macbook Pros with 16gb RAM and 512GB SSD drives are standard. Most of use use dual 24" widescreen monitors, and wireless keyboard & mouse. Our test devices include the iPhone X and Pixel 2.

  • Ergonomics

    Health is important! our chairs are all Herman Miller, all of our desks are motorized sit stand desks, so you can sit, or stand, or a bit of both!

  • Team lunches

    Once a week we order in from various tasty restaurants in Downtown using local startup, and often head out in Gastown, Nuba, Sushi Den & Dirty Apron are some of our favourites.

  • Great location

    We're a stone's throw from the skytrain, and on several bus routes. Our office is right downtown in Gastown, we have six great coffee spots within a block, countless lunch options, bars etc.

  • Company retreats

    We schedule getaways for a couple of days during the week, to spend time as a team outside the office, and to brainstorm and discuss future plans! Our next retreat is in Tofino by the ocean! In the spring we escaped to Whistler at a beautiful chalet by the mountain.

  • Christmas off

    Everyone gets the week between Christmas and New Year's off paid on top of their vacation

  • No red-tape

    We're small focused team, each of us are good at what we do. We don't spend a lot of time in meetings. If you need access to something, just ask. If you have some ideas about how to improve something, we'd love to make that happen!

  • Conferences

    We believe in personal growth and continuous improvement. At Invoice Simple team members get a $2k budget each year towards conferences of their choice, to cover entrance, travel and accomodations.

  • Training and courses

    Our corporate Udemy membership means anyone looking to brush up or level up skills has free access to thousands of great courses across topics including Marketing, Engineering, Business and more.

  • Benefits plan

    Invoice Simple has a comprehensive benefits plan covering the bases such as healthcare, dental, vision, insurance and more.

Invoice Simple Team

We love building great software products and solving challenging problems

  • Adam Maddox Founding engineer, Web Adam enjoys making users happy by building simple easy apps. Previously he founded and ran Gastown Labs, which for 8 years helped small startups and large companies capture new opportunities available from the App Store and web. On the rare occasion he's not coding, you can find him fixing up a century old house or surfing.
  • Stephen Loughton Mobile Engineer Steve is a recording engineer turned software developer loves building intuitive UI/UX, writing clean code, and exploring new technology. He makes loud music with friends and hangs out with a cool dog.
  • Saulo Tauil Backend Engineer Saulo has been working with software development for quite a bit and has a diverse experience in the industry, always pushing himself out of the comfort zone. He also enjoys cooking for friends, wine tasting, and outdoor activities
  • Johnathan Harms Android Engineer Johnathan has spent the last few years building Android apps, with a particular focus on great UX. When not programming Johnathan can be found watching movies, playing video games, or just hanging out with friends.
  • Andrew Goldis Web Engineer Andrew is an always-learning software development professional, he's passionate about web technologies, open source software and great software products. He likes to see products evolving from drafts to exciting and useful experiences. He spends his free time by contributing to open-source and learning from the community. Andrew enjoys traveling, going outdoors, running, biking and photography.

About Invoice Simple

  • friendly smart people

    Growing and Profitable

    Invoice Simple was recognized as one of the fastest growing Canadian startups in 2018 by Rogers/Macleans, and unlike most startups we're growing on revenue, not investment.

  • tough problems

    Operating at Scale

    Working at Invoice Simple means when we deploy code it gets used instantly by hundreds of thousands of people. Our growth and usability ab tests run quickly. Our infrastructure runs people's businesses, and needs to stay up

  • great opportunity

    Software for individuals

    Working at Invoice Simple you can have a direct and immediate impact on people's lives. Our customers are typically sole proprietors, and rely on us to build software that just works.

  • right benefits

    World Class

    We're aiming high. We're aggressive in pursuing our goals including growth, usability and customer satisfaction. We're going to out-market, out-design and out-execute the competition.

Open positions

Join the Invoice Simple team!

What our customers say

We spend a lot of time talking to our customers.

  • I love this app. It has made my business grow and given me the confidence to be paid what I am worth. It’s a tool for those serious about making a good impression and being professional…


    Juan Moran

  • By far the best app for invoicing & keeping track of my clients. I’ve tried several but the ease of this one is top notch and has all the features any service or small business would want. Thank you!


    Chris Owens

  • Absolutely amazing app! Makes invoicing so much easier, more organized, efficient, and quick! Certainly makes documenting palatable. Look no further. This app does it all. Must have!


    Richard Pinkerton

  • Fast and easy way to send a professional looking invoice from my customer’s front yard!


    Kevin McAlevy