Technology Stack
The stack our senior engineers master
Cloud and Data, nothing else. Search your stack: if it is here, we have senior engineers who have run it in production for US companies, in your time zone.
Deep dives
Hire by technology
Our most requested technologies, with what senior-level actually looks like in each one.
Full catalog
Every technology we vet for
Cloud Providers
Amazon Web Services
- EC2
- Lambda
- ECS
- EKS
- Fargate
- AWS Batch
- Elastic Beanstalk
- Amazon S3
- S3 Glacier
- EFS
- EBS
- FSx
- RDS
- Aurora
- DynamoDB
- ElastiCache
- MemoryDB
- DocumentDB
- Neptune
- Timestream
- Redshift
- Athena
- AWS Glue
- EMR
- Lake Formation
- DataZone
- OpenSearch
- QuickSight
- Kinesis
- Data Firehose
- MSK
- MWAA
- Step Functions
- EventBridge
- SQS
- SNS
- AppFlow
- API Gateway
- DMS
- SageMaker
- Bedrock
- Comprehend
- Textract
- Rekognition
- Kendra
- Amazon Q
- IAM
- KMS
- Secrets Manager
- GuardDuty
- Security Hub
- WAF
- Shield
- Macie
- Organizations
- Control Tower
- CloudWatch
- CloudTrail
- X-Ray
- AWS Config
- Systems Manager
- CloudFormation
- AWS CDK
- CodePipeline
- CodeBuild
- CodeDeploy
Microsoft Azure
- Virtual Machines
- Azure Functions
- AKS
- Container Apps
- App Service
- Azure Batch
- Azure SQL Database
- SQL Managed Instance
- Cosmos DB
- Azure Database for PostgreSQL
- Azure Cache for Redis
- Microsoft Fabric
- Synapse Analytics
- Azure Databricks
- Data Factory
- Stream Analytics
- HDInsight
- Azure Data Explorer
- Microsoft Purview
- Azure Machine Learning
- Azure OpenAI
- Azure AI Search
- Azure AI Services
- Azure Monitor
- Log Analytics
- Application Insights
- ARM Templates
- Bicep
- Azure DevOps
Data Platforms & Storage
Data Warehouses & Lakehouse
- Snowflake
- Databricks
- BigQuery
- Redshift
- Synapse
- Microsoft Fabric
- Teradata
- Oracle Exadata
- Vertica
- Greenplum
- Firebolt
- Yellowbrick
Hadoop Ecosystem (Legacy)
- HDFS
- YARN
- Hive
- HBase
- Sqoop
- Oozie
- Pig
- Cloudera CDP
- Hortonworks
Relational Databases
- PostgreSQL
- MySQL
- MariaDB
- SQL Server
- Oracle Database
- IBM Db2
- SQLite
- CockroachDB
- YugabyteDB
- TiDB
Document NoSQL
- MongoDB
- Couchbase
- CouchDB
- Firestore
- Cosmos DB
- DocumentDB
Key-Value & Cache
- Redis
- Valkey
- Memcached
- DynamoDB
- Aerospike
Graph Databases
- Neo4j
- Amazon Neptune
- TigerGraph
- ArangoDB
- JanusGraph
Time Series
- InfluxDB
- TimescaleDB
- QuestDB
- Timestream
- Prometheus TSDB
Search
- Elasticsearch
- OpenSearch
- Apache Solr
- Algolia
- Typesense
Data Engineering
Distributed & Batch Processing
- Apache Spark
- PySpark
- Spark SQL
- Structured Streaming
- Apache Flink
- Apache Beam
- Dask
- Ray
- Polars
- pandas
- Apache Arrow
- DataFusion
Streaming & Messaging
- Apache Kafka
- Confluent
- Kafka Connect
- Kafka Streams
- ksqlDB
- Redpanda
- Apache Pulsar
- RabbitMQ
- ActiveMQ
- NATS
- Kinesis
- Pub/Sub
- Event Hubs
- Materialize
- RisingWave
Ingestion, ELT & CDC
Orchestration
- Apache Airflow
- Astronomer
- Dagster
- Prefect
- Mage
- Luigi
- Argo Workflows
- Kestra
- Control-M
- Azure Data Factory
- Step Functions
- Cloud Composer
Architecture, Governance & Quality
Paradigms & Modeling
- Medallion Architecture
- Data Mesh
- Data Fabric
- Lambda Architecture
- Kappa Architecture
- Kimball Dimensional
- Inmon
- Data Vault 2.0
- One Big Table
- Event Sourcing
- CQRS
Catalog, Governance & Lineage
- Unity Catalog
- Microsoft Purview
- Collibra
- Alation
- Atlan
- DataHub
- OpenMetadata
- Amundsen
- Apache Atlas
- OpenLineage
- Marquez
- Dataplex
- AWS Lake Formation
- Immuta
- Privacera
Data Contracts & Schemas
- Confluent Schema Registry
- AWS Glue Schema Registry
- Protobuf
- JSON Schema
Privacy & Compliance
- HIPAA
- SOC 2
- GDPR
- CCPA
- PCI DSS
- Data Masking
- Tokenization
Analytics & BI
BI & Visualization
Semantic Layer & Metrics
- dbt Semantic Layer
- MetricFlow
- Cube
- AtScale
- LookML
- Power BI Semantic Models
- Tableau Pulse
BI Languages
- DAX
- Power Query M
- LookML
- Tableau Calculations
- MDX
Notebooks & Analytical Environments
- Jupyter
- JupyterLab
- Databricks Notebooks
- Google Colab
- Deepnote
- Hex
- Apache Zeppelin
Data Science, ML & AI
Data Science Libraries
- NumPy
- pandas
- Polars
- SciPy
- scikit-learn
- statsmodels
- Matplotlib
- Seaborn
- Plotly
- Bokeh
- Streamlit
- Dash
- Gradio
Classic ML & Boosting
- XGBoost
- LightGBM
- CatBoost
- Prophet
- H2O.ai
- Optuna
- SHAP
Deep Learning
- PyTorch
- TensorFlow
- Keras
- JAX
- PyTorch Lightning
- ONNX
- Hugging Face Transformers
MLOps
- MLflow
- Kubeflow
- Weights & Biases
- Neptune.ai
- Comet
- DVC
- Feast
- Tecton
- Seldon
- KServe
- BentoML
- Ray Serve
- NVIDIA Triton
- TorchServe
- Evidently
- Arize
- WhyLabs
- SageMaker Pipelines
- Vertex AI Pipelines
- Azure ML Pipelines
GenAI: Models & APIs
- OpenAI API
- Anthropic Claude API
- Google Gemini
- Amazon Bedrock
- Azure OpenAI
- Mistral
- Llama
- Cohere
GenAI: Frameworks & Tooling
- LangChain
- LangGraph
- LlamaIndex
- Haystack
- DSPy
- Semantic Kernel
- CrewAI
- AutoGen
- Model Context Protocol
- vLLM
- Ollama
- Text Generation Inference
GenAI: Practices & Evaluation
- RAG
- Fine-tuning (LoRA/QLoRA)
- Embeddings
- Prompt Engineering
- AI Agents
- Guardrails
- Ragas
- DeepEval
- LangSmith
- Langfuse
- Arize Phoenix
Infrastructure, DevOps & SRE
Infrastructure as Code
- Terraform
- OpenTofu
- Pulumi
- AWS CloudFormation
- AWS CDK
- Bicep
- ARM Templates
- Crossplane
- Terragrunt
Configuration Management
- Ansible
- Chef
- Puppet
- SaltStack
- Packer
Containers
- Docker
- Podman
- containerd
- Buildah
Container Orchestration
- Kubernetes
- EKS
- AKS
- GKE
- OpenShift
- Rancher
- Nomad
- Helm
- Kustomize
- Karpenter
CI/CD
- GitHub Actions
- GitLab CI
- Jenkins
- Azure Pipelines
- CircleCI
- Bitbucket Pipelines
- TeamCity
- Buildkite
- Tekton
- Spinnaker
Observability
DevSecOps
- HashiCorp Vault
- SOPS
- Snyk
- Trivy
- SonarQube
- Checkov
- tfsec
- OPA Gatekeeper
- Kyverno
- Falco
- Wiz
- Prisma Cloud
- Aqua Security
Identity
- Okta
- Auth0
- Entra ID
- Keycloak
- SAML
- OAuth 2.0
- OIDC
Cross-Cutting Fundamentals
Languages
- Python
- SQL
- Scala
- Java
- Go
- R
- Rust
- TypeScript
- JavaScript
- C#
- Kotlin
- Julia
SQL Dialects
- T-SQL
- PL/SQL
- PL/pgSQL
- Spark SQL
- BigQuery SQL
- Snowflake SQL
Scripting
- Bash
- PowerShell
- HCL
Operating Systems
- Linux
- RHEL
- Ubuntu
- Amazon Linux
- Windows Server
Version Control
- Git
- GitHub
- GitLab
- Bitbucket
- Azure Repos
APIs & Backend
- REST
- GraphQL
- gRPC
- FastAPI
- Flask
- Django
- Spring Boot
- Node.js
Tell us your stack. We will tell you who can run it.
A curated shortlist of around 3 senior profiles in under five business days. No recruiting fees, no middlemen.