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Senior ABAP Developer to SAP Technical Architect

A 120-day architect track focused on design, extensibility, integration patterns and cross-stack decision-making for S/4HANA landscapes.

Target role
SAP Technical Architect
Current level
Senior (6-10 yrs)
Duration
120 days

Overview

Move from senior developer to architect: own solution design, integration, extensibility, non-functional requirements, and code governance across a landscape.

Topics covered

performance-tuningcds-viewsrap-basicsodata-gatewaybapiidocs4-clean-coreenhancementsbadi

Week-wise plan

  1. Week 1

    Architect mindset

    s4-clean-core
    • Study SAP Clean Core & extensibility model
    • Read one Solution Architecture whitepaper
  2. Week 2

    Data & performance

    performance-tuningopen-sql
    • Design for HANA – code pushdown patterns
    • Buffering strategy, batching, parallel jobs
  3. Week 3

    CDS design at scale

    cds-views
    • Layering: basic → composite → consumption
    • Reuse and naming conventions
  4. Week 4

    RAP architecture

    rap-basics
    • When to pick managed vs unmanaged
    • Draft strategy for large BOs
  5. Week 5

    Integration – OData

    odata-gateway
    • Versioning, deep insert, batch
    • Rate limiting, error contracts
  6. Week 6

    Integration – BAPI/RFC

    bapi
    • Sync vs async patterns
    • Transactional guarantees, qRFC/tRFC
  7. Week 7

    Integration – IDoc/EDI

    idoc
    • Inbound/outbound design
    • Monitoring & error handling patterns
  8. Week 8

    Extensibility governance

    enhancementsbadis4-clean-core
    • Decision tree: key-user vs developer vs side-by-side
    • Guardrails and namespace strategy
  9. Week 9

    Security & authorizations

    s4-clean-core
    • AUTHORITY-CHECK design
    • DCLs on CDS, RAP behavior authorizations
  10. Week 10

    DevOps & code quality

    performance-tuning
    • ATC baselines, gCTS, transport strategy
    • Code review checklist
  11. Week 11

    BTP integration overview

    s4-clean-core
    • Event Mesh, CAP, Integration Suite basics
    • Side-by-side extension patterns
  12. Week 12

    Architecture capstone

    cds-viewsrap-basicsodata-gatewayidoc
    • Design a full extension: CDS + RAP + OData + IDoc inbound
    • Produce an architecture doc with NFRs, trade-offs, and rollout plan

Practice tasks

  • Write one HLD (high-level design) for a real requirement
  • Do 2 architecture reviews for a peer
  • Publish an extension governance guideline

Interview preparation

  • Clean Core – how do you enforce it in a program?
  • Sync vs async integration – trade-offs
  • Draft strategy for very large BOs
  • Transport strategy across DEV/QAS/PRD
  • Handling breaking OData changes
Mock test recommendation

Take advanced Performance Tuning, RAP, CDS, OData and IDoc mock tests.

Go to Mock Tests →
Code lab recommendation

Review the "anti-pattern → refactor" code labs and design a governance checklist from them.

Open Code Lab →

Progress checklist

0 / 5 done

Progress is saved locally on this device.