Software Architect, Python, AWS, AI

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3Pillar Global

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

☁️ SaaS

🏢 Enterprise

🤖 Artificial Intelligence

💰 Private Equity Round on 2021-10

SaaS • Enterprise • Artificial Intelligence

3Pillar Global is a modern application strategy, design, and engineering firm that specializes in delivering strategic software development initiatives for various industries. They offer a range of services, including application technology strategy, digital product engineering, data and analytics, and artificial intelligence development. 3Pillar Global focuses on helping organizations transform their bold ideas into breakthrough solutions by leveraging cutting-edge technologies such as generative and multimodal AI. They work with partners and clients across multiple sectors, including healthcare, financial services, insurance, media, and information services, to solve complex technology challenges and deliver high-performing results.

📋 Description

• Act as the architecture authority – own the deterministic/AI boundary design, multi-tenant data isolation model, and LLM security posture; baseline architectural decisions in week 1 that lock the team's constraints • Technical owner from design to delivery – tailor solutions to Alpine's stated requirements (FastAPI + PostgreSQL + AWS Bedrock + ECS Fargate) while defending against scope creep and technical debt • Partner with stakeholders to capture requirements – work with client leadership to translate business and compliance needs into architectural constraints (e.g., multi-tenant isolation, run-to-run consistency guarantees, audit trails) • Assess and plan for technology insertion – evaluate architectural trade-offs (e.g., why a single bounded AI step beats two, why RLS + FORCE ROW LEVEL SECURITY beats application-layer filtering, why Pydantic schema validation is the output gate) • Manage risk identification and mitigation – surface and mitigate delivery risks (e.g., CISO golden-set availability, prompt-injection surface area, cross-tenant isolation defects) with concrete mitigation strategies • Influence and communicate vision – define the long-term product roadmap (Tools 1–5), technical vision (the 5-section Source of Truth structure, the 7-stage pipeline design), and development strategy (agentic-orchestration approach, vertical slices, always-functional milestones) • Contribute to code reviews and architectural artifacts – review critical paths (Bedrock adapter, RLS policies, Stage 4 calibration logic); document architectural decision records (ADRs) that capture the why, not just the what • Lead and mentor the team – guide the AI/LLM Lead and Backend engineers on AI reliability, security patterns, and multi-tenant design; escalate ambiguity upward rather than letting it flow down to individual engineers

🎯 Requirements

• Bachelor's degree in Computer Science or related field (or equivalent professional experience) • 5+ years as a Software Architect with hands-on expertise in: • Python and async patterns (FastAPI, async/await) • PostgreSQL and multi-tenant database design (RLS, row-level security, schema isolation) • AWS cloud architecture (Fargate, RDS, IAM, Secrets Manager, Bedrock) • LLM system design (prompt engineering, consistency guarantees, output validation, prompt injection defense) • Security architecture (least-privilege access, encryption in transit, audit logging, cross-tenant isolation) • Operational excellence in design methodologies – fluency in architectural patterns (layered, event-driven, pipeline), UML/C4 models, and decision-record documentation • Experience designing SaaS or highly scalable distributed applications on the cloud • Leadership of Agile teams – proven ability to work in sprint-based delivery, set technical standards, and communicate trade-offs to product and engineering stakeholders • High-level design proficiency – C4 models, architecture decision records (ADRs), and risk matrices • DevOps and CI/CD expertise – Terraform, Docker, automated testing, migration guards, security scanning • High proficiency in English – ability to articulate architecture to global teams, clients, and executive stakeholders • Natural leader with critical reasoning – comfort making architectural calls in the face of ambiguity and defending those decisions to stakeholders

🏖️ Benefits

• Vacations. According to the law from your first anniversary. • Discretionary Time Off (employees are able to take time off when necessary)* • 26 days of Christmas bonus • Food coupons • Major medical insurance • Life Insurance (optional) • Savings box (optional) • Law benefits: IMSS, Afore, Infonavit. • Career plan that will let you grow and plan for the future • Home Office • Internal Trainings • Support with external trainings and certifications • Referrals bonus