Senior Backend Engineer — Remote, Ai-Driven, Scalable

Fullstack Labs, Inc.; Ciudad de Mendoza; Remote; ARS 136,732,000 - 227,887,000; Full time

Benefits offered by this job

Growth without limits

Competitive compensation

Flexibility: 100% remote with flexible

Job summary

Built Technologies is looking for Software Engineers to join our team in Argentina. You will build and maintain backend services and automation workflows, integrating with Salesforce APIs and AI-assisted sales tooling.

This Senior Backend Engineer role requires 4+ years of backend experience with Java or Python, REST API integration, and CRM automation in an Agile environment. Ideal candidates will work 100% remotely with flexible hours.

Qualifications

• 4+ years of Backend engineering experience (Java or Python).
• REST API integration and webhook development experience.
• CRM automation and lead routing systems experience.
• Familiarity with agile delivery and JIRA.

Responsibilities

• Build and maintain backend services and automation workflows (Java/Python/microservices).
• Develop and integrate with Salesforce APIs (EVO, Omnichannel, lead routing).
• Support AI SDR automation including Ghost User setup and Calendly integration.
• Contribute to GTM data platform codebase; work within an Agile sprint with JIRA backlog.

Skills

Java

Python

REST APIs

Webhook development

Salesforce API integration

Tools

Salesforce (EVO/Omnichannel)

Calendly API

Job description

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards.

WHY JOIN US

If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you!

ABOUT THE ROLE

We are looking for a Senior Backend Engineer to build and maintain backend services, automation workflows, and Salesforce API integrations supporting a GTM data platform and AI-assisted sales automation initiatives. You will develop REST APIs and webhook-based lead routing systems, integrate with Salesforce APIs including EVO and Omnichannel, and contribute to AI SDR automation workflows using Java or Python in an Agile sprint environment. The role requires 4+ years of backend engineering experience with Salesforce platform development or API integration expertise.

WHAT YOU WILL DO

- Build and maintain backend services and automation workflows (Java / Python / microservices).

- Develop and integrate with Salesforce APIs (EVO, Omnichannel, lead assignment rules).

- Support AI SDR automation — including Ghost User setup, Calendly integration, webhook-based lead routing.

- Contribute to the GTM data platform codebase.

- Work within an agile sprint process with a JIRA-based backlog (GTMDR project).

MUST HAVES

- 4+ years of experience in Backend engineering: Java OR Python .

- REST API integration and webhook development .

- Experience with CRM automation and lead routing systems .

- Familiarity with agile delivery and JIRA.

NICE TO HAVES

- Salesforce Apex, Calendly API, or experience building AI-assisted sales tooling.

PERKS AND BENEFITS

- Growth without limits : build your skills through mentorship, internal TechTalks, challenging projects, and a dedicated annual learning budget

- Competitive compensation : get recognition that reflects your skills and impact, with regular performance and compensation reviews

- Flexibility : work 100% remotely with flexible hours that support focus, autonomy, and a healthy work rhythm

- Meaningful, modern projects : build impactful products using modern technologies alongside global teams and leading brands

- Collaborative culture : join a supportive environment with zero micromanagement where ideas are welcomed and contributions are recognized

- Well-being & support : access local well-being programs and people-focused support tailored to your location

Built's Mission: Connect and simplify doing business in real estate.
Built is the AI-powered platform transforming the way real estate is financed, developed, and managed. Purpose-built for real estate and construction, Built began by fixing construction draw management for lenders and has grown into a comprehensive operating system addressing some of the industry’s most complex challenges. Today, Built is a partner to more than 350 lenders, over 80,000 borrowers and owners, and thousands of contractors, powering 86,000 active projects valued at more than $300 billion. Learn more at getbuilt.com.

Built Technologies is looking for Software Engineers to join our team in Argentina.

This team works on the lending side of Built as we partner with financial institutions to streamline the construction lending industry! Built’s platform is responsible for processing 10% of all U.S construction spend and serving as the critical link between lenders and borrowers. We're looking for a candidate that can hit the ground running and make an immediate impact on our team and organization. With a lot of exciting work coming down our pipeline, we're in search of a proactive self-starter that can serve as a point of technical expertise on the team as well as a mentor to more junior team members.

Engineers at Built are Technical Leaders who:

• Deliver complex end-to-end solutions involving multiple components and teams, addressing ambiguity and driving initiatives aligned with team OKRs.
• Assess technical solutions to ensure they align with product strategy, providing insightful recommendations on priorities and trade-offs.
• Lead large-scale refactors and system upgrades, estimating scope and proactively managing risks in collaboration with stakeholders.
• Expand into architectural and systems thinking, documenting system structures and processes clearly for cross-team understanding.
• Serve as technical leaders and mentors, enabling team growth by delegating responsibilities and fostering collaboration.
• Drive cross-functional collaboration to deliver impactful business outcomes.

Basic Qualifications:

• Proven experience in core