Senior Full Stack Software Engineer

Addition
New York, NY

Overview

Addition Wealth is transforming financial health to make personalized financial expertise inclusive and accessible to all. We work with leading companies and financial institutions to provide employees access to robust digital tools, an extensive knowledge center, and access to top financial professionals to better understand their finances and navigate personal finance decisions. As a result, we help employees reduce their stress, be more productive, and make the most of their money.

We aren't your typical financial wellness benefits platform. We are deeply motivated by the opportunity to revolutionize the way individuals make financial decisions.

Addition is backed by a team of fintech VCs including Barclays & Anthemis, Nyca, and more. Addition & its team has been recognized as Business Insider's 54 Promising Fintech Companies to Watch, UBS' Female Founder Award 2023, and in leading publications such as Techcrunch, Insider, Forbes and more.

We are looking for Senior Full Stack software engineers to help build out the product set of Addition Wealth. Our technical stack is built primarily in Typescript and hosted on AWS. Major frameworks we use include both Nestjs and Nextjs and our primary data stores are in Postgres. You do not need to know all of these technologies, but capability in similar stacks is nice to have.

You will be expected to have strong technical, problem solving and organizational skills. Senior candidates will be expected to demonstrate systems design, project management, and mentorship skills as well.

Some of the things you can expect:

High Impact - Ability to drive real impact and help build a company from the ground up

Flexibility - We are a fully remote and distributed company. This means you can work from wherever you want!

Endless growth - We care about your professional and personal growth. Stretch into areas that interest you and grow with the company as we scale

Mission Driven - You’ll see the product of your work – directly improving the financial health of thousands of people in the US through access to high quality financial expertise

We believe that working remotely and flexibly is key to individual and team success, as such we have a small but talented US-based team that is spread throughout the globe.

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What we're looking for
  • Strong technical talent - you have deep experience building, deploying, monitoring and scaling modern serverless or container-based systems
  • A bias for action - you can move quickly and prefer to launch and gather early data over absolute perfection. You know when to hack a solution vs. build robust systems for the long term
  • Good product sense - you can weigh tradeoffs and suggest creative solutions to delivering the best overall product to our customers, even with resource and time constraints
  • Autonomous - You enjoy choosing what you work on and are responsible for maximizing your own impact

What you’ll work on:
  • Architect and build systems from scratch, making the right tradeoffs for risk and long-term maintainability
  • Lead, build, test, and release products with stringent correctness and scalability requirements. These products include personal finance scenario builders, tax calculators, and more
  • Tackle complex integrations within the personal finance space to enable smooth customer experiences and accurate financial reporting
  • You’ll shape the product strategy and tech organization: you’ll have significant input into our product development process - this includes helping to scope what we are building and how we are building it to optimize for both speed and elegant user experience

Our Tech Stack
  • Typescript
  • NodeJS frameworks NestJS and NextJS
  • Terraform and Cloudformation
  • Postgres and Redshift

Perks & Benefits
  • Competitive salary
  • 401(k) & Employer Match
  • Work from anywhere
  • Health insurance & wellness benefits
  • Equity compensation
  • Generous parental leave
  • Unlimited vacation
  • Company offsites
  • Unlimited access to financial professionals

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#LI-Remote

Posted 2025-11-25

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