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Open nowPosted 12 hours ago

Sr. Web App Developer (Full-Stack) – Payments

Aspenview Technology Partners59 open roles

Where
Latin America
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Your applicationOpen nowSr. Web App Developer (Full-Stack) – PaymentsAspenview Technology Partners · Latin America

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The clock on this job

Early applications get read.

12.7% of postings close within 7 days. Measured by our own scanner across the market. Aspenview Technology Partners postings stay open a median of 17 days.

Share of postings closed within
  1. 2.2%1 day
  2. 4.5%3 days
  3. 12.7%7 days
  4. 20.4%14 days
  5. 35.6%30 days
  6. 58.7%60 days
This job: posted 12 hours ago

Aspenview Technology Partners median: 17 days open

The posting

Build the Future with AspenView Technology Partners

At AspenView, we are passionate about transforming the way organizations approach technology. We specialize in creating high-performing, nearshore IT teams to help North American clients innovate faster and more efficiently.

As we continue to grow, we’re looking for exceptional people to join our team and help drive impactful change across industries.

Why Join AspenView?

At AspenView, we’re more than a nearshore IT partner—we’re a people-first, purpose-driven company that believes great culture drives great outcomes. We’re passionate about connecting talent and technology to deliver measurable value for clients—and meaningful career paths for our people.

Here’s what you can expect:

  • Competitive base
  • Flexible work model: hybrid, remote, or in-office
  • Real growth opportunities and leadership visibility
  • Inclusive, respectful culture that blends U.S. innovation with Colombian heart
  • A company that listens, invests in you, and celebrates wins together

We’re looking for a Senior Web App Developer (Full-Stack) – Mobile-First Payments to help a leading U.S. multifamily residential company replace its vendor parking app with a product built in-house. You’ll build the resident and site-team experience on top of the existing Parking API, move every community off the old platform, and work side by side with the client’s Product, design and operations teams. The goal isn’t just to launch a new app. It’s to own it in production and make it work better than the one it replaces.

What you will do:

Product & UI Engineering

  • Build the resident and site-team parking experience (search, reserve, assign, pay and manage) in React and TypeScript, mobile-first
  • Map each existing vendor flow and work with Product and design to decide what to keep, fix or drop
  • Deliver screens that meet WCAG 2.1 AA accessibility standards and the security standards for payment and vehicle data

API & Backend Development

  • Connect the UI to the existing Parking API using its OpenAPI contract
  • Design and build missing REST endpoints with TypeScript, AWS Lambda and PostgreSQL

Migration & Rollout

  • Plan and carry out the move off the vendor platform, running both UIs in parallel
  • Migrate data and roll out community by community, using feature flags and a clear rollback path

Quality & Production Ownership

  • Write unit, component and end-to-end (Playwright) tests for the money and reservation flows
  • Monitor logs and alarms, fix defects, and resolve site-team issues end to end
  • Use AI coding assistants (Claude Code, GitHub Copilot) as part of your daily workflow

Tools & Technologies:

  • Platforms & Infrastructure: React, TypeScript, PostgreSQL, REST APIs, OpenAPI (generated clients), Playwright / Cypress, Figma (design system work is a plus)
  • Security & DevSecOps: WCAG 2.1 AA, secure handling of payment and vehicle data, PCI-scoped UIs (a plus), OAuth / AWS Cognito, logging and alarm monitoring, feature flags
  • Cloud & IaC: AWS Lambda, API Gateway, Cognito, AWS CDK (a plus), CI/CD with GitHub Actions (a plus)

What you bring: Experience:

  • Experience: 5+ years building production web apps, including 3+ years with React and TypeScript. You’ve shipped a mobile-first, customer-facing app that handles bookings, payments or similar transactions.
  • Full-Stack & Cloud: You’re comfortable writing REST endpoints and SQL queries, and you have hands-on experience with AWS serverless (Lambda, API Gateway, Cognito or a similar OAuth setup).
  • Migration Expertise: You’ve replaced or migrated a live system with no downtime, using feature flags, phased rollouts or parallel runs.
  • Consulting / Leadership: You communicate clearly and work well with Product, design and non-technical operations users, and you’re comfortable guiding decisions about what to keep, fix or drop.
  • Mindset: You take ownership, build tests into your work, enjoy an AI-assisted workflow, and stay accountable for what you ship in production.
  • Nice to have: Background in parking, mobility, property management or multifamily residential; payment processing and PCI experience; familiarity with MRI or a similar property-management system; experience with AWS CDK and GitHub Actions; experience building a component library from Figma designs.
  • Location: LATAM and able to work US business hours

Visa Sponsorship

AspenView does not sponsor employment visas for this role. Applicants must be permanently authorized to work in their country of residence and must not require visa sponsorship now or in the future.

Equal Opportunity Employer

AspenView is proud to be an equal opportunity employer. We believe in creating an environment where all employees feel welcome, valued, and empowered to succeed. We celebrate diversity and strive to build a culture of inclusion where all individuals, regardless of their race, color, gender, gender identity or expression, sexual orientation, disability, age, or any other characteristic, can thrive. We encourage applicants from all walks of life to join our team and make a lasting impact.

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