Stashinvest
Senior Fullstack Engineer
New York
Get past the screening software and onto a recruiter's desk
hirly rewrites your resume for this job — matching the keywords and skills in the posting, moving your most relevant experience to the top, and writing a cover letter to fit. About 30 seconds.
- Keywords matched to this posting
- Fit score before you apply
- Cover letter included
Apply from your AI assistant
Connect hirly to Claude and ask it to apply to this job. hirly tailors your resume, fills the employer’s form and asks before sending. ChatGPT: manual setup today.
Some employer sites stop an application at a CAPTCHA or sign-in and hand it back with a link. Applying needs a paid plan. Works with any assistant that supports MCP.
hirly's read of this role
- Role family
- Engineering
- Seniority
- Senior
- Country
- US
- Work mode
- On-site / unstated
- First seen by hirly
- 17 Oct 2026
Derived automatically from the posting. Upload your resume above to see how the role scores against it.
the posting
Want to help everyday Americans invest and build wealth? Financial inequality is increasing, and too many people are getting left behind. At Stash, we’re passionate about democratizing wealth creation through education, advice, and products that help customers achieve greater financial freedom. We also believe in working smarter—leveraging AI and emerging technologies to move faster, operate more efficiently, and focus our time on solving meaningful problems for our customers.
We’re looking for a Senior Fullstack Engineer to lead our B2B efforts for the StashWorks product.
StashWorks is an emerging B2B distribution channel that connects employees of partner companies with Stash products and benefits. You’ll join a small, highly collaborative team building and scaling the platform from the ground up.
You’ll own projects across partner onboarding, employee eligibility and enrollment, identity and authentication, third-party integrations, lifecycle communications, and the operational tools needed to support employer partners.
What you'll do:
Act as an "Agent Conductor" to architect, design, and rapidly implement services by leveraging AI coding assistants.
Own the end to end delivery of software from inception to production
Instrument, test, profile, and code review software
Continuously deploy to our cloud-based infrastructure
Scale software infrastructure for a quickly-growing user base
What we're looking for:
4-7 years of professional experience building software
Proven hands-on experience with AI tools (e.g., Cursor, ChatGPT, etc.) as a core part of daily workflows, driving productivity and enhancing output quality, alongside a commitment to continuously developing AI expertise
Thrives in ambiguous, early-stage environments
Can move comfortably across services and codebases
Writes pragmatic, maintainable Go
Has experience designing APIs and integrating external systems
Understands production operations, observability, security, and reliability
Works effectively with product, operations, marketing, and partner-facing teams
Balances shipping quickly with building systems that can scale
Gold Stars:
Experience building applications at scale
Familiarity with or interest in Consul, multi-region systems, multi-cloud design
Familiarity with or interest in other areas of our stack including Spinnaker, CI/CD pipelines, Nginx, TypeScript, React, Node.js, Postgres, SNS/SQS, AWS
#LI-HYBRID
Our Commitment to Diversity, Equity, and Inclusion
We proudly celebrate the unique qualities that make you you, 365 days a year, and not just because it’s the right thing to do or good for business. We embed the principles and practices of diversity, equity, and inclusion (DEI) into all that we do to prioritize people, a Stash core value , and to ensure Stashers of all backgrounds and experiences can be their authentic selves.
We are also proud to be the first and only venture-backed fintech to join the CEO Action for Diversity & Inclusion™ , and as an Equal Opportunity Employer, Stash is committed to building an inclusive environment for people of all backgrounds.
If you require any reasonable accommodations to make your application process more accessible, please reach out to [email protected].
Helping You Invest in Yourself
Comprehensive total rewards package, comprising compensation (salary and equity) and health care benefits
Complimentary subscription to Stash+ account
Hybrid Work Policy – We operate a hybrid work environment in NYC that prioritizes time together in the office to strengthen teamwork, innovation, and culture, while still allowing for work-from-home flexibility.
Flexible PTO
Work-from-home equipment stipends; home internet subsidy
Paid Parental Leave (offerings for birth giving and non-birth giving parents) Primary & Secondary
Enhanced health and wellness benefits through One Medical, Gympass, and Maven Health
External Recognition for Stash
Benzinga’s 2023 Best Brokerage for Beginners and Best Robo-Advisor Awards
Qorus-Accenture’s 2023 Banking Innovation Awards
USA Today and Statista’s 2023 Top 500 Best Financial Advisory Firms
Comparably's Best Company Awards: Best Places to Work, Best Company Outlook, and Best Engineering Team for Diversity, Women, Culture, and more! (2023)
Fintech Breakthrough Award: Best Personal Finance App (2023)
BuiltIn’s Best Places to Work (2022, 2021, 2020, 2019)
Forbes Fintech 50 (2021, 2020, 2019)
Best Digital Bank, Finovate Awards (2020)
Tearsheet Challenge Awards, Best Banking Card Product - Stock-Back® Card, 2020
LendIt Fintech Innovator of the Year (2020, 2019)
Salary Range: $170,000 - $190,000
The base salary range represents the reasonably anticipated low and high end of the salary range for this position. Actual salaries will vary and will be based on various factors, such as the candidate’s qualifications, skills, experience and competencies, as well as internal equity and alignment with market data for companies of our size and industry.
**No recruiters, please**
Listed on hirly, a job board. hirly is not the employer: Stashinvest is hiring for this role.
Similar jobs
- Senior Fullstack Engineer - Messaging PlatformSpotify · New York, NYFirst seen 7d agoremote
- Sr Fullstack EngineerFiserv · Sunnyvale, CaliforniaFirst seen 2d ago
- Senior Fullstack Engineer - Grafana Data Source Plugins | NASA | (Remote, USA)Grafanalabs · United States (Remote)First seen 2d agoremote
- Senior Fullstack Engineer, GrowthNivoda · USFirst seen 5d agoremote
- Senior Fullstack Engineer, SolveZendesk · 3 LocationsFirst seen 13d ago
Browse similar roles
Want this one?
Upload your resume and hirly rewrites it for this job and writes the cover letter — in about thirty seconds, before you sign up.
Tailor my resume for this job