Sr Fullstack Engineer - Capacity & Matching Consultant - (remote - Brazil)

Responsibilities

• Hands-on experience with relational databases (Postgres), cloud deployments (AWS), event-driven messaging, and integrating data pipelines.
• Architect, build, and maintain Go-based backend services and React/TypeScript surfaces for Capacity Matching and the Inflect Gateway as one coupled surface.
• Evolve matching, confidence-scoring, and cost-optimization logic to satisfy rigorous precision and explainability requirements.
• Serve as secondary owner and backup for the RouteFinder and Site Prover cluster, participating in cross-coverage, incident response support, and PR assessments.
• Partner with Data Foundation and Lead-to-Cash pods to ensure source-data quality alignments and seamless gateway transaction surface integrations.

Requirements

• 7–10 years of professional full-stack engineering expertise, with deep production proficiency in Go (backend services) and React/TypeScript (frontend interfaces).

Who We Are

We are a US-based advisory and marketplace that is revolutionizing the way companies buy and sell digital infrastructure (Datacenter, cloud, and network services). Digital infrastructure services are the building blocks of the internet and at the core of every industry. Traditionally it’s been bought manually through service provider sales people, resulting in high costs, slow procurement cycles, and services that aren’t the best fit - slowing down the ability of companies to build and innovate.

Inflect’s marketplace and advisory are removing friction so any company can get what they need, when they need it, with the right deal terms. By achieving our mission, we unlock businesses to build and human innovation to inflect!

Specialized Technical Capabilities Required

Algorithmic & Gateway Architecture

Applied experience designing, building, and tuning algorithmic matching, ranking, scoring, or recommendation frameworks, combined with API gateway and integration-heavy backend architectures.

Cross-Border Async Collaboration

• Fluent professional English communication skills for effective cross-border async collaboration, code reviews, and daily alignment across Brazil, Poland, and US time zones.
• Scope of Services & Project Deliverables

Technical Advisory & Quality Standards

• Deliver well-tested, observable code and conduct pull-request assessments under the pod lead's technical direction.
• Definition of Success (What Strong Performance on Projects Looks Like)
• Gateway and Capacity Matching features are independently shipped and operating reliably in production.
• Capacity Matching algorithms and gateway flows achieve strict performance and accuracy standards.
• Effective backup coverage and cross-support are established across RouteFinder and Site Prover clusters without single-point dependencies.
• The Gateway & Capacity Matching cluster is reliably owned and maintained end-to-end under pod technical standards.
• Engagement Terms & Compliance Structure

Contract Type

Fixed-rate monthly Independent B2B Service Agreement executed via Rippling at $6,500-$8,000/mo based on experience

Invoicing & Tax Compliance

Contractor must maintain an active corporate entity (

• Pessoa Jurídica - PJ / CNPJ) in Brazil and upload valid electronic service invoices (
• Nota Fiscal de Serviços Eletrônica - NFS-e) into Rippling for monthly disbursement.

Autonomy

Complete flexibility over work schedules, location, and execution methods necessary to fulfill project deliverables and agreed milestones; holds no direct people-management, hiring, or employee reporting lines.

Commercial Relationship

Strictly B2B consulting engagement; no employment relationship under the Consolidation of Labor Laws (

CLT

), paid vacation, 13th salary, or statutory employee benefit guarantees implied.