diff --git a/app/schema.py b/app/schema.py
new file mode 100644
index 0000000..46f4886
--- /dev/null
+++ b/app/schema.py
@@ -0,0 +1,99 @@
+from datetime import date, datetime
+from typing import List, Dict
+
+from sqlalchemy import inspect, Enum
+from sqlalchemy.ext.asyncio import async_sessionmaker, create_async_engine
+from sqlalchemy import String, Date, func, ForeignKey, JSON, Integer, Boolean, DateTime
+from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column, relationship
+
+from app.core.config import config
+from app.core.refdata import ReconJobStatus, ReconConfigStatus
+
+engine = create_async_engine(config.db_url, connect_args={"check_same_thread": False})
+SessionLocal = async_sessionmaker(engine, close_resets_only=False)
+
+
+def get_async_sessionmaker():
+    return SessionLocal
+
+
+class Base(DeclarativeBase):
+    pass
+
+
+def object_as_dict(obj):
+    return {
+        c.key: getattr(obj, c.key)
+        for c in inspect(obj).mapper.column_attrs
+    }
+
+
+class User(Base):
+    """ Users are recorded to track who made changes and created jobs
+    Only support users need passwords as a backup solution to JWT provided via the IDP
+    When a valid JWT is provided via IDP and unpacked, a user record will be looked up/created
+    """
+    __tablename__ = "users"
+    
+    username: Mapped[str] = mapped_column(String, primary_key=True)
+    email: Mapped[str] = mapped_column(String(100), nullable=False, unique=True, index=True)
+    disabled: Mapped[bool] = mapped_column(Boolean, nullable=False, index=True)
+    # hashed_password: Mapped[str] = deferred(mapped_column(String(100)))
+    hashed_password: Mapped[str] = mapped_column(String(100), nullable=True)
+
+    recon_jobs: Mapped[List["ReconJob"]] = relationship(
+        back_populates="user", cascade="all, delete-orphan"
+    )
+
+    recon_configs: Mapped[List["ReconConfig"]] = relationship(
+        back_populates="user", cascade="all, delete-orphan"
+    )
+
+
+class ReconConfig(Base):
+    """ Holds the details of a reconciliation. Config info is stored as JSON.
+    Revision and user are set by Recon Ranger.
+    """
+    __tablename__ = "recon_configs"
+
+    reference: Mapped[str] = mapped_column(String, primary_key=True)
+    revision_number: Mapped[int] = mapped_column(Integer, nullable=False)
+    status: Mapped[ReconConfigStatus] = mapped_column(String, server_default="draft")
+    config: Mapped[dict] = mapped_column(JSON)
+    start_datetime: Mapped[datetime] = mapped_column(DateTime, index=True,  nullable=True, server_default=func.current_date())
+    frequency: Mapped[str] = mapped_column(String, server_default="Daily")
+
+    recon_jobs: Mapped[List["ReconJob"]] = relationship(
+        back_populates="recon_config", cascade="all, delete-orphan"
+    )
+
+    username: Mapped[str] = mapped_column(ForeignKey("users.username"), nullable=False)
+    user: Mapped["User"] = relationship(back_populates="recon_configs", lazy="select")
+
+    __mapper_args__ = {"version_id_col": revision_number}
+
+
+class ReconJob(Base):
+    """ A request to run & track a recon job using a recon config.
+    When created, a stuck (in progress), or failed recon is updated, the recon engine will be called to run a recon
+    """
+    __tablename__ = "recon_jobs"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    name: Mapped[str] = mapped_column(String)
+    due_datetime: Mapped[datetime] = mapped_column(DateTime, index=True,  nullable=True, server_default=func.current_date())
+    start_datetime: Mapped[datetime] = mapped_column(DateTime, nullable=True)
+    finish_datetime: Mapped[datetime] = mapped_column(DateTime, nullable=True)
+    as_at_date: Mapped[date] = mapped_column(Date, index=True, server_default=func.current_date())
+    status: Mapped[ReconJobStatus] = mapped_column(
+        Enum(ReconJobStatus, native_enum=False, validate_strings=False),
+        server_default=ReconJobStatus.CREATED
+    )
+    status_reason: Mapped[str] = mapped_column(String, server_default="")
+
+    recon_config_reference: Mapped[str] = mapped_column(ForeignKey("recon_configs.reference"), nullable=False)
+    recon_config: Mapped["ReconConfig"] = relationship(back_populates="recon_jobs", lazy="joined")
+
+    username: Mapped[str] = mapped_column(ForeignKey("users.username"), nullable=False)
+    user: Mapped["User"] = relationship(back_populates="recon_jobs", lazy="joined")
+    results: Mapped[Dict] = mapped_column(JSON, nullable=True)