Upside · 3 months ago
Senior Full Stack Software Engineer II
Austin
Full-time
Hybrid
Senior Level
$180K/yr - $210K/yrUpside is a company transforming brick-and-mortar commerce through innovative technology that enhances user value and drives profitability for businesses. They are seeking a Senior Full Stack Software Engineer II who will be responsible for delivering high-quality software, collaborating with cross-functional teams, and driving continuous improvement in their systems.
AppsBusiness DevelopmentData ManagementMarketplaceMobile AppsRetailRetail Technology
Responsibilities
Help cultivate a collaborative and safe environment. You can speak up to name problems, which will invite conversations that will then drive solutions
Learn and innovate on the ways we can improve our system. You are able to hone in on gaps in quality, security, performance, and speed of execution and generate buy-in to raise those bars
Partner deeply with cross functional teams. Whether it’s aligning with marketing on experimentation, enabling better personalization with data science, or integrating feedback from designers, you are proactive in surfacing insights and turning them into technical action
Drive quality through documentation. You record your decisions, communicate tradeoffs, and ensure others can build upon your work
Set clear expectations on delivery. We all understand that plans change. You focus on setting an accurate and achievable goal from the start, and then keeping close alignment with key partners when milestones shift
Qualification
Required
Lead with technical depth and continuously improve quality and observability
Guide, mentor and upskill the team to raise overall effectiveness and impact
Drive experiences that deliver measurable business value
Apply an analytical mindset to experiment, learn, iterate and grow
Debug complex systems by interpreting data, forming hypotheses and making meaningful improvements
Build with semantic HTML, CSS, and core JavaScript concepts
Apply strong knowledge of core web and browser fundamentals (e.g., how a browser parses and constructs a web page)
Write reliable automated tests as a foundation for quality
Demonstrate a proven ability or strong desire to apply generative AI across the SDLC, from ideation and design to coding, testing and release, to increase velocity and quality
Preferred
Experience in or are interested in learning React, Typescript, Python, Snowflake, DBT, AWS (including API Gateway, Lambda, DynamoDB, Cloudwatch, EventBridge), Terraform and Github Actions
Experience leveraging numerous AI tools, including OpenAI and Github Copilot
Benefits
Medical, dental, and vision coverage starting on Day 1
Equity (ISOs)
401(k) program
Family planning programs + paid parental leave
Physical fitness and wellness memberships
Emotional and mental health support programs
Unlimited PTO + 10 paid federal holidays + our annual, week-long Winter Break
Flexible work environment
Lunch reimbursement for in-office employees
Employee Resource Groups
Learning and Development stipend
Transparent culture
Amazing mission!
Company
Upside
Upside is a two-sided marketplace focused on driving value to all points of brick and mortar commerce.
Founded in 2016
201-500 employees
H1B Sponsorship
Upside has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (1)
2023 (1)
2022 (1)
Funding
Current Stage
Late StageTotal Funding
$165MKey Investors
General Catalyst
2022-04-26Series D· $65M
2022-04-26Debt Financing· $100M
2020-08-31Series C
Leadership Team
Alex Kinnier
Co-founder & CEO
Jan Rubio
Co-founder
Recent News
2025-07-02
Progressive Grocer
2025-02-18
Company data provided by crunchbase