System Design Developers
How we vet for the ability to design for failure, navigate ambiguity, and make principled architectural trade-offs in large-scale distributed systems.
Axiom Cortex™ · Vetting Playbooks
Vetting Nearshore Software Developers with Science
Axiom Cortex is TeamStation AI's cognitive vetting engine for elite nearshore software engineers across Latin America. These playbooks translate our scientific research into concrete interview flows, scorecards, and risk signals for specific roles.
Every playbook is wired into hire.teamstation.dev and our research papers. Signals from Axiom Cortex feed the Nearshore IT Co-Pilot, which assembles stable, auditable engineering pods by role, technology, and risk profile.
Platform
Read the vetting playbook →
Microservices Developers
How we separate true systems thinkers from coders by testing for distributed systems reasoning, failure modeling, and API contract discipline.
gRPC Developers
How we vet for API contract discipline, performance optimization, and an understanding of streaming communication for high-performance microservices.
REST API Design Developers
How we vet for the ability to model complex domains, design for evolution, and create APIs that are a multiplier for team productivity.
Event Sourcing Developers
How we vet for the rare ability to reason about immutability, temporal queries, and operational complexity in event-sourced systems.
Backend & APIs
Node.js Engineers
How we vet for async reasoning, event loop discipline, and the ability to build resilient, high-concurrency backend services.
Golang Engineers
How we vet for concurrency mastery, systems thinking, and the discipline required for high-performance backend services.
Java Engineers
How we vet for JVM expertise, architectural discipline, and the operational maturity to run enterprise-grade distributed systems.
Python Engineers
How we vet for systems thinking, architectural patterns, and performance optimization beyond simple script-writing.
C# Engineers
How we vet for .NET and CLR internals, cloud-native design patterns, and the architectural discipline for enterprise applications.
Rust Engineers
How we vet for an understanding of memory safety, ownership, and performance for building reliable, high-performance systems.
PHP Engineers
How we vet for modern PHP practices, framework expertise, and the ability to build secure and scalable web applications.
Ruby on Rails Engineers
How we vet for "The Rails Way," architectural patterns, and the discipline to build and maintain large-scale Rails applications.
NestJS Engineers
How we vet for expertise in building scalable, maintainable, and modular server-side applications with NestJS and TypeScript.
FastAPI Engineers
How we vet for expertise in building high-performance, async APIs with Python, focusing on typing and dependency injection.
Django Engineers
How we vet for a deep understanding of the Django framework, ORM proficiency, and building secure, scalable web applications.
Spring Boot Engineers
How we vet for expertise in building production-ready, standalone Spring-based applications with an emphasis on microservices.
Laravel Engineers
How we vet for expertise in the Laravel ecosystem, elegant architectural patterns, and building modern PHP web applications.
Frontend & UI/UX
React/TypeScript Developers
How we vet for component architecture discipline, state management expertise, and the ability to build scalable, maintainable UIs.
Angular Developers
How we vet for expertise in building structured, maintainable, and large-scale enterprise applications with Angular.
Vue.js Developers
How we vet for component architecture, state management, and the ability to build progressive and performant web applications with Vue.
Svelte Developers
How we vet for a deep understanding of reactivity, performance, and the compiler-based approach of Svelte for building fast web apps.
Next.js Developers
How we vet for a deep understanding of rendering strategies (SSR, SSG, ISR), data fetching, and building full-stack applications with Next.js.
DevOps & Cloud
AWS Developers
How we vet for architectural judgment, IAM discipline, and cost-optimization skills to build secure, scalable, and efficient systems on AWS.
Azure Developers
How we vet for enterprise-grade governance, identity management, and secure networking skills on the Microsoft cloud.
Google Cloud Developers
How we vet for a data-centric mindset, IAM security discipline, and operational excellence required for Google Cloud Platform.
Docker Developers
How we vet for Dockerfile mastery, container security, and an understanding of the software supply chain to build efficient, secure images.
Terraform Developers
How we vet for Infrastructure as Code discipline, state management expertise, and the ability to build safe, automated CI/CD workflows for infrastructure.
Ansible Developers
How we vet for an automation mindset, playbook architecture skills, and the discipline of idempotency for reliable configuration management.
Jenkins Developers
How we vet for CI/CD pipeline architecture skills, security integration, and the ability to manage and scale Jenkins in an enterprise environment.
CI/CD Developers
How we vet for an understanding of software delivery lifecycles, pipeline security, and the ability to design and implement robust CI/CD workflows.
Prometheus Developers
How we vet for an observability mindset, expertise in instrumentation, and the ability to build meaningful monitoring and alerting systems.
Grafana Developers
How we vet for the ability to translate system metrics into actionable insights and build comprehensive observability dashboards.
Istio Developers
How we vet for a deep understanding of service mesh concepts, traffic management, and security policies in a cloud-native environment.
Helm Developers
How we vet for the ability to manage complex Kubernetes applications through reusable, well-structured, and maintainable charts.
Vault Developers
How we vet for a security-first mindset and expertise in managing secrets, certificates, and encryption in a dynamic infrastructure.
CloudFormation Developers
How we vet for Infrastructure as Code discipline on AWS, focusing on creating modular, secure, and maintainable CloudFormation templates.
GitOps Developers
How we vet for the discipline of using Git as the single source of truth for declarative infrastructure and applications.
Serverless Developers
How we vet for an understanding of event-driven architecture, cost optimization, and the operational nuances of serverless platforms.
GitHub Actions Developers
How we vet for the ability to build secure, efficient, and complex CI/CD workflows directly within the GitHub ecosystem.
GitLab CI Developers
How we vet for expertise in building and optimizing CI/CD pipelines within the integrated GitLab DevOps platform.
Argo CD Developers
How we vet for expertise in implementing GitOps-style continuous delivery for Kubernetes using Argo CD.
External Secrets Developers
How we vet for the ability to securely manage and synchronize secrets from external stores into Kubernetes.
Kubernetes Engineers
How we vet for a deep understanding of container orchestration, cluster management, networking, and security on Kubernetes.
Data & AI
Data Engineering Developers
How we vet for the ability to build reliable, scalable, and efficient data pipelines and infrastructure for large-scale data processing.
ETL / ELT Developers
How we vet for expertise in designing, implementing, and optimizing data extraction, transformation, and loading workflows.
Apache Spark Developers
How we vet for expertise in distributed data processing, performance tuning, and building scalable data applications with Spark.
dbt Developers
How we vet for the ability to apply software engineering best practices to analytics code, building modular, testable, and maintainable data models.
Snowflake Developers
How we vet for expertise in data modeling, performance optimization, and cost management within the Snowflake Data Cloud.
Airbyte Developers
How we vet for the ability to manage and scale data integration pipelines using open-source data movement tools.
Data Governance Developers
How we vet for the discipline of implementing policies and procedures for data quality, security, and compliance.
Machine Learning Developers
How we vet for the ability to build and deploy production-grade machine learning models, focusing on MLOps, scalability, and reproducibility.
MLOps Engineers
How we vet for the discipline of automating and managing the end-to-end machine learning lifecycle.
LLM & NLP Developers
How we vet for expertise in using large language models, NLP, and vector databases to build AI-powered applications.
Data Warehousing Developers
How we vet for expertise in designing and managing large-scale data warehouses for analytics and business intelligence.
Power BI Developers
How we vet for the ability to transform complex data into clear, actionable insights through effective data modeling and visualization.
Tableau Developers
How we vet for expertise in data visualization, dashboard design, and enabling self-service analytics for business users.
Fivetran Developers
How we vet for the ability to manage and automate data movement into cloud data warehouses with reliability and scale.
Looker Developers
How we vet for expertise in building scalable and governable BI platforms using LookML and modern data modeling practices.
Presto Developers
How we vet for expertise in federated querying and building high-performance, interactive analytics on large-scale data.
Data Science Developers
How we vet for the ability to apply statistical and machine learning techniques to solve real-world business problems.
Pandas Developers
How we vet for expertise in data manipulation, analysis, and cleaning using the pandas library for Python.
NumPy Developers
How we vet for expertise in numerical computing and array manipulation for scientific and data-intensive applications.
LangChain Developers
How we vet for the ability to build and compose applications powered by large language models using the LangChain framework.
Databases
PostgreSQL Developers
How we vet for advanced SQL, performance tuning, and data modeling expertise in PostgreSQL environments.
MySQL Developers
How we vet for query optimization, schema design, and managing high-traffic MySQL and MariaDB databases.
MariaDB Developers
How we vet for expertise with the drop-in, open-source replacement for MySQL, focusing on performance and modern features.
SQL Server Developers
How we vet for expertise in Microsoft's enterprise database environment, including T-SQL, performance tuning, and integration.
Oracle Database Developers
How we vet for expertise in PL/SQL, database design, and performance tuning for enterprise Oracle database environments.
MongoDB Developers
How we vet for data modeling patterns, query performance, and operational management of MongoDB clusters.
Cassandra Developers
How we vet for expertise in distributed data modeling and managing high-volume write workloads with Apache Cassandra.
Redis Developers
How we vet for expertise in in-memory data structures, caching patterns, and building high-performance applications with Redis.
Elasticsearch Developers
How we vet for expertise in search, analytics, and managing distributed Elasticsearch or OpenSearch clusters.
TimescaleDB Developers
How we vet for expertise in time-series data modeling and query optimization on top of PostgreSQL.
ClickHouse Developers
How we vet for expertise in designing schemas and writing queries for the blazing-fast ClickHouse columnar analytics engine.
Neo4j Developers
How we vet for expertise in graph data modeling, Cypher query language, and building applications with the Neo4j graph database.
InfluxDB Developers
How we vet for expertise in the InfluxDB time-series platform, including data modeling and query language (Flux/InfluxQL).
DuckDB Developers
How we vet for expertise in the fast-growing in-process analytical database, DuckDB, for high-performance data analysis.
Google Cloud Spanner Developers
How we vet for expertise in Google's globally distributed, strongly consistent database service.
CockroachDB Developers
How we vet for expertise in building resilient, scalable, and distributed SQL applications on CockroachDB.
TiDB Developers
How we vet for expertise in the open-source, MySQL-compatible, horizontally scalable NewSQL database.
Pinecone Developers
How we vet for expertise in building high-performance AI applications with the Pinecone managed vector database.
Weaviate Developers
How we vet for expertise in the open-source, AI-native Weaviate vector database for semantic search and RAG.
Milvus Developers
How we vet for expertise in building and scaling AI applications with the open-source Milvus vector database.
Chroma Developers
How we vet for expertise in the open-source Chroma embedding database for AI-native applications.
QA & Security
QA Automation Engineers
How we vet for test strategy, framework design (e.g., Playwright, Cypress), and building reliable automated testing suites.
Security Engineers
How we vet for a deep understanding of threat modeling, secure coding practices, and infrastructure hardening.
Mobile
React Native Developers
How we vet for native module integration, performance optimization, and building cross-platform applications.
Flutter Developers
How we vet for expertise in the Dart language, widget architecture, and building high-performance, cross-platform mobile apps.
Swift Developers
How we vet for iOS ecosystem mastery, memory management, and building native applications with Swift.
Salesforce
Salesforce Apex Developers
How we vet for deep expertise in building custom business logic and applications on the Salesforce platform using Apex.
Salesforce LWC Developers
How we vet for the ability to build modern, performant user interfaces on the Salesforce platform using Lightning Web Components.
SAP
SAP ABAP Developers
How we vet for proficiency in developing and customizing applications within the SAP ecosystem using ABAP.
SAP Fiori/UI5 Developers
How we vet for the ability to create modern, responsive user experiences for SAP applications with Fiori and UI5.
Microsoft
Microsoft Power Platform Developers
How we vet for expertise in building custom apps, automations, and analytics with Power Apps, Power Automate, and Power BI.
Microsoft Dynamics 365 Developers
How we vet for the ability to customize and extend Dynamics 365 applications to meet complex business requirements.
Dynamics 365 F&O (X++) Developers
How we vet for expertise in X++ development, data entities, and extensions for Dynamics 365 Finance & Operations.
Oracle
Oracle APEX Developers
How we vet for the ability to rapidly build scalable, secure enterprise web applications using Oracle Application Express (APEX).
TeamStation AI
Nearshore IT Co-Pilot and Axiom Cortex™ powering elite engineering teams across Latin America. This research hub connects directly to hire.teamstation.dev so CTOs can move from scientific vetting to live nearshore teams in a single click.