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adamj.eu

Independent author and Django/Python consultant delivering practical software guidance, writing, and open source collaboration to help teams build, upgrade, and maintain robust applications.

Adam Johnson is an author, independent consultant, and Django/Python expert. Through his company Adam's Web Services Ltd (A.W.S.), established in 2019, he provides software development guidance, open source collaboration, and technical writing. He is a Django contributor and Security Team member, a PSF Fellow, and co-organizer of Django London. Based in London, UK (with time spent in Lisbon, Portugal), he works with organizations to debug performance issues, implement developer experience tooling, manage major upgrades to Python, Django, and databases, and design robust test suites. His engagements span consulting, writing, and open source installations, and he maintains a strong emphasis on practical, maintainable solutions for teams of all sizes. He communicates directly via public channels and me@adamj.eu for inquiries. His site showcases a blog, books, and open source projects that reflect a hands-on approach to Django, Python, and related tooling.

To help organizations succeed with Python and Django by delivering hands-on consulting, developing and sharing practical tooling and knowledge, and contributing to open source communities.

What we offer

Python and Django Consulting Services

Service

Expert consulting for Python and Django projects to optimize performance and enhance development practices.

adamj.eu/consulting/

Market segments

Market size by segment

Growth potential (CAGR)

Performance engineering

2 Billion USD11% CAGR

Capabilities to diagnose and resolve runtime and scalability issues in Python/Django applications, including profiling, database query optimization, and performance debugging.

Developer experience engineering

3.3 Billion USD18% CAGR

Services to implement and standardize developer tooling and workflows—package managers, code formatters, linters, and type checkers—to improve productivity and code quality.

Dependency and platform migration

1.5 Billion USD18% CAGR

Management of major upgrades to core dependencies (Python, Django, PostgreSQL) including compatibility assessment, upgrade planning, and execution.

Quality engineering and test automation

34.16 Billion USD14.5% CAGR

Agile testing management, test automation and AI-assisted validation to ensure reliability and accelerate releases.

Source control and repository engineering

3.99 Billion USD12% CAGR

Scaling Git and GitHub for large teams and repositories, including repository layout, CI/CD workflow optimization, and large-repo performance strategies.

More information about our offering

Python and Django Consulting Services

Consulting services for Python and Django projects offered by Adam’s Web Services Ltd (A.W.S.), established in 2019. The service focuses on debugging performance issues, implementing developer experience tooling, performing major dependency upgrades, writing or optimizing test suites, and scaling Git and GitHub for large teams and repositories.

  • Diagnose and Resolve Performance Issues
    Identify bottlenecks and optimize your applications to ensure they run smoothly and efficiently, enhancing user experience.
  • Achieve Seamless Dependency Upgrades
    Ensure your project is using the latest and most stable versions of Python, Django, and PostgreSQL to benefit from performance enhancements, new features, and security patches.
  • Streamline Development Processes
    Integrate modern development tools to enhance code quality and maintainability, ensuring smoother workflows for teams.
  • Enhance Code Reliability through Testing
    Develop comprehensive test suites or refine existing ones to maintain high code quality and catch issues early in the development cycle.
  • Optimize Version Control for Teams
    Enhance the collaboration and management of large codebases, facilitating efficient version control practices across teams.

References

Methodology and sourcing behind the figures shown above.

Performance engineering

No explicit market size for "performance engineering" in the provided results. I used the provided engineering-services market as a broad parent market (USD 3.5T, CAGR 4.64%) and applied conservative internal assumptions to derive a focused estimate: assume software engineering represents ~10% of total engineering services (~USD 350B), testing/QA ~10% of software engineering (~USD 35B), and performance engineering (tools + services for runtime profiling, DB optimization, performance debugging) ~5–7% of testing (~USD 1.75–2.45B). Rounded to USD 2.0B as a pragmatic midpoint for the niche focused on Python/Django runtime/scalability capabilities. Growth potential (CAGR ~11%) is above broad engineering-services growth due to accelerating DevOps, APM/observability adoption, cloud migration, and shift-left/shift-right testing trends driving demand for performance engineering services and tooling.

Developer experience engineering

No direct market-size figures for “developer experience engineering” were present in the results. I used reported software engineering and custom software development market figures as the basis and allocated a small share to this specialized services niche (internal developer platforms, tooling, DevEx services). MarketResearchFuture reports the broader software engineering market at $65.7B (2024); taking ~5% of that market yields ~ $3.3B for developer-experience engineering services. Growth is set above the broader software-engineering CAGR (10.9%) but below the highest niche projection (custom development CAGR 22.7%), so a midpoint high-growth estimate of ~18% CAGR reflects rapid adoption of DevOps/DevEx investments and AI-assisted engineering.

Dependency and platform migration

Estimate based on cloud migration services market sizing and growth in the search results, and the smaller dedicated dependency-mapping software market. Cloud migration reports show total addressable markets from ~USD 10–30+ billion (MarketsandMarkets, PrecedenceResearch) with high CAGRs (≈23–27%). AI/dependency-mapping software is much smaller (USD 0.61B in 2026, CAGR 9.8%). Dependency and platform migration (Python/Django/PostgreSQL upgrades) is a niche subset of application modernization/cloud migration; assuming a 5–10% share of the broader cloud migration services market and blending growth expectations between service-led migration CAGRs and tooling CAGRs yields a mid-point market estimate ~USD 1.5B and an expected CAGR ~18%.

Quality engineering and test automation

Estimated market size uses Test Automation market figures in the search results (Market Research Future: $34.16B in 2024). Growth potential reflects reported automation-testing CAGRs driven by AI, DevOps and continuous testing (MarketsandMarkets’ 14.5% CAGR for automation testing); broader software-testing/QA services reports (Coherent, KPMG) corroborate a high-growth market for quality engineering and AI-assisted test automation.

Source control and repository engineering

Synthesis of recent market reports for version-control / code-repository markets. Multiple sources place 2024–2026 market value between ~$0.93B and ~$3.99B; I used the Code Repository Software estimate (USD 3.99B in 2025) as a proximate market size for the broader source-control/repository engineering segment and selected a mid-range CAGR (~12%) reflecting reported forecasts (10.3%–14.2%) and higher growth scenarios in some reports.

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