Articles
Articles on software delivery
CI/CD, platform engineering, security and reliability, written for engineering leaders who want specifics and sources.
Written by Mateusz Ulas, platform engineer and founder of Expeditious Software. About Mateusz
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50 articles
Understanding the Software Development Life Cycle (SDLC) at Scale
A staff-level guide to the SDLC for high-scale and regulated teams: security, supply chain, AI, and the discipline that holds delivery together.
DevOps vs SRE: 4 Key Differences That Actually Matter at Scale
DevOps vs SRE for senior engineers: origin, role design, SLO/SLI/SLA rigor and error budgets - grounded in Google SRE and DORA, with the AI angle.
Private Cloud vs. Public Cloud: A Workload-by-Workload Decision Framework
Private cloud vs public cloud is not a binary choice. A senior framework for placing workloads across a hybrid estate by cost, compliance and data gravity.
5 Factors To Look For When Choosing A DevOps Service Provider
A senior, evidence-based checklist for evaluating a DevOps service provider: delivery discipline, platform engineering, integration, DevSecOps and managed operations.
6 Software Development Life Cycle Models To Consider For Your Business
Six SDLC models compared for engineering leaders: where Waterfall, V-Model, Iterative, Spiral, Agile and DevOps fit, with DORA evidence on what works.
6 Benefits of DevOps Automation for Your Business (And the Discipline Behind Them)
Six DevOps automation benefits backed by DORA data: speed and stability together, small batches, platform engineering, and the foundation AI needs.
How Much Does Software Development Really Cost?
What software actually costs over its life: maintenance dominates the bill, technical debt and AI add hidden cost, and DevOps platforms are the real lever.
What Is Cloud Computing? What Senior Engineers Actually Need to Know
A senior engineering view of cloud computing in 2026: elasticity over lift-and-shift, FinOps against 27% waste, platforms, AI as amplifier, and DevSecOps.
How to Hire a Healthcare Software Development Company: A Technical Buyer's Guide
A senior buyer's guide to hiring a healthcare software development partner: EHDS compliance, secure-by-design, and DORA delivery metrics over fluff.
On-Premise vs. Cloud: The Major Differences (And Why It's Now a Per-Workload Decision)
On-premise vs cloud in 2026: a workload-placement decision driven by cost discipline, data control, and operating model - not a binary choice.
Is Hiring a DevOps Service Provider Worth It? A Pragmatic Look at the Advantages
A senior, evidence-based look at when hiring a DevOps service provider pays off - and when it backfires - grounded in DORA, Gartner, Flexera and GitLab data.
6 Mistakes to Avoid When Implementing DevOps in Your Company
Six DevOps implementation mistakes that stall high-scale, regulated teams - and what the 2024 DORA and GitLab data say about fixing them.
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