1033 Backend Developer Sr Remote LATAM

Disclaimer Must read: Commitment & Focus
This role requires full-time dedication with clear priority given to Darwoft projects during the established working hours. It is not compatible with other full-time professional engagements. Any additional professional activities must be disclosed in advance and must not interfere with the responsibilities or working hours of this role.

Darwoft is a software factory that builds custom software solutions and provides IT staff augmentation services for international clients mainly in the United States and Latin America. We partner with startups and fast-growing companies to build high-impact digital products.

Our culture is people-first focused on technical quality long-term relationships and a collaborative mindset. We combine technical excellence with a human close-knit approach.

General Information

• Location: 100% Remote LATAM
• Contract Type: Contractor full-time
• Industry / Project: Fintech Cross-border payments and remittances platform for a US-based hyper-growth Series C company
• English Level: B2/C1

You will join the Payouts squad of a US fintech company building an AI-powered conversational-first financial platform for the Latino community in the United States. The company combines real-time financial infrastructure with AI and crypto rails to make cross-border money movement fast and affordable and is expanding into credit savings and wallet services.

As a Senior Software Engineer you will help shape the core architecture of the platform. Your focus will be the backend microservices that ensure funds reach beneficiaries securely and on time at a scale of millions of daily requests. This is a high-ownership role with direct impact on a product that serves a community historically underserved by traditional finance working alongside product operations and compliance teams.

• Design and implement robust backend services to handle the secure and timely disbursement of funds to beneficiaries.
• Build optimize and scale microservices that support complex payment compliance and disbursement workflows.
• Design and manage infrastructure capable of handling millions of daily requests while maintaining high standards of security and performance.
• Build and maintain distributed systems using Google Cloud services and industry-standard tools.
• Collaborate with product operations compliance and other business units to deliver end-to-end financial solutions.
• Mentor junior developers and promote engineering best practices across the team.
• Use user feedback and system analytics to continuously refine and improve platform capabilities.

Must-Have

• 5 years of experience as a Software Engineer in fast-paced dynamic environments.
• Proven track record of building shipping and iterating on production software ideally in the Fintech domain.
• Strong backend development experience with Python as the primary language of the team.
• Experience designing and implementing web services including REST APIs.
• Solid foundation in algorithms and data structures.
• Familiarity with architectural patterns such as Hexagonal Architecture and Event-Driven Architecture.
• Familiarity with practices such as A/B Testing Feature Flags and Gradual Rollouts.
• Knowledge of security protocols compliance standards and KYC/AML processes.
• Fluent or advanced English.
• Strong collaboration and prioritization skills in a team-oriented environment.

Nice-to-Have

• Hands-on experience building and maintaining payment systems financial disbursement solutions or compliance-driven platforms.
• Experience with Flask and/or FastAPI.
• Experience with Redis and SQL databases.
• Experience with Google Cloud Platform (Firestore Cloud Storage Pub/Sub Artifact Registry Cloud Run BigQuery).
• Experience with Kubernetes Terraform and New Relic.
• Previous experience or genuine interest in Fintech.

• Contractor agreement with payment in USD
• 100% remote work
• Argentinas public holidays
• English classes
• Referral program
• Access to learning platforms

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