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Development methodology · The system behind the work

Speed and cost-efficiency, without the trade-off on quality.

Every business and every industry is different. We match the delivery methodology to the project — Agile when scope evolves, Waterfall when requirements are locked, DevOps when ship cadence matters most. Three philosophies, one production system, predictable outcomes.

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Project execution

Six steps from kickoff to launch

01

Phase 01 · Discovery

Define what we're actually solving

Our technical consultants and business analysts work with you to map the real problem behind the brief. We identify the stakeholders, the success metrics, and the user motivation that should drive every decision downstream — before a single feature is committed.

  • Stakeholder map
  • Problem statement
  • Success metrics

02

Phase 02 · Feasibility

Pressure-test the technology before we commit

We run technical and business feasibility checks to lock in the right stack, surface project risks early, and design mitigation strategies before scope sign-off. If something looks fragile, we'd rather catch it now than at deployment.

  • Tech-stack assessment
  • Risk register
  • Mitigation plan

03

Phase 03 · Specification

Write the single source of truth

Our Software Requirement Specification (SRS) documents every functional and non-functional requirement — clearly enough that development, QA, operations, and maintenance teams can read the same document and reach the same answer.

  • SRS document
  • User stories
  • Acceptance criteria

04

Phase 04 · Milestones

Define what "done" looks like, milestone by milestone

We translate the specification into a milestone delivery plan with measurable outputs at every checkpoint. Progress stays easy to monitor, and every stakeholder gets the same status — no surprises, no shifting goalposts.

  • Delivery roadmap
  • Sprint plan
  • Status cadence

05

Phase 05 · Development

Build with the methodology the work demands

Our team picks the right approach — Agile, Waterfall, or DevOps — based on the project's complexity, regulatory needs, and pace. The system serves the work, not the other way round. Code is reviewed, documented, and tested before it ships.

  • Production-ready code
  • Code-review notes
  • Tech-debt log

06

Phase 06 · Test & Deploy

Ship with confidence and a clean handover

A client-focused, structured-yet-flexible deployment process that bakes in quality, scalability, and adaptability long before the production push. We hand over a runbook so the operations team owns the system the day it goes live.

  • QA report
  • Deployment runbook
  • Operations handover
Plan 01 · BACKLOG · DESIGN Code · Build 02 · CI PIPELINE Test · Release 03 · CD PIPELINE Deploy · Monitor 04 · PRODUCTION CONTINUOUS DEVOPS LIFECYCLE CI · CD · IaC · OBSERVABILITY

Methodology 01 · DevOps

DevOps project execution

DevOps unifies software development (Dev) and IT operations (Ops) into a single continuous lifecycle. Every change flows through an automated CI/CD pipeline — built, tested, security-scanned, and shipped to production behind feature flags — with full observability and a one-command rollback. The outcome is shorter lead times, lower change-failure rate, faster MTTR, and a process that scales without breaking.

  • Version control & trunk-based dev

    Git workflow with short-lived feature branches, PR reviews, and branch protections.

  • Continuous Integration (CI)

    Every commit triggers automated build, unit tests, lint, and static analysis (GitHub Actions / GitLab CI).

  • Continuous Delivery (CD)

    Auto-deploy to staging on green build; production rollout behind feature flags with blue-green or canary strategies.

  • Infrastructure as Code (IaC)

    Terraform / Pulumi for cloud resources; Ansible for config — every environment reproducible from version control.

  • Containerisation & orchestration

    Docker images for portability; Kubernetes or managed services for orchestration, auto-scaling, and self-healing.

  • Automated testing pyramid

    Unit, integration, end-to-end, contract, and load tests gated in the pipeline before promotion.

  • Observability (3 pillars)

    Structured logs, RED/USE metrics, and distributed traces — with SLOs, error budgets, and PagerDuty alerts.

  • Security & supply-chain (DevSecOps)

    SAST, DAST, dependency scanning, secrets detection, and SBOM signing in every build.

  • Incident response & learning

    Runbooks, blameless post-mortems, and chaos engineering exercises to harden the platform.

Backlog PRIORITISED Planning DoR Sprint 2-WEEK ITERATION 10 DAILY STANDUPS Review DEMO · DoD Retro CONTINUOUS IMPROVEMENT FEEDBACK LOOP

Methodology 02 · Agile (Scrum)

Agile project execution

Built around the Scrum framework: a prioritised Product Backlog, fixed-length 2-week sprints, and three ceremonies bookending each iteration — Planning, Review, and Retrospective — with a 15-minute Daily Standup in between. Clients see working software every sprint and can re-prioritise the backlog at any boundary. Bugs caught in-sprint never reach acceptance; scope changes never blow up the schedule.

  • Product Backlog

    Single prioritised list of user stories owned by the Product Owner; refined continuously.

  • Sprint Planning

    Team commits to a Sprint Goal and pulls stories from the backlog into the Sprint Backlog (Definition of Ready).

  • Sprint (2-week iteration)

    Fixed-length time-box; scope is locked, team self-organises to deliver a shippable increment.

  • Daily Standup (15 min)

    Yesterday / today / blockers — the team syncs at the same time and place every day.

  • Sprint Review

    Live demo to stakeholders against the Definition of Done; backlog re-prioritised based on feedback.

  • Sprint Retrospective

    Team-only session that captures wins, friction, and one process improvement for the next sprint.

  • Velocity & burndown tracking

    Story-point throughput informs realistic forecasts; daily burndown surfaces sprint risk early.

  • Definition of Done

    Explicit checklist (code reviewed, tests passing, deployed to staging, docs updated) every story must meet.

Requirements 01 · SRS DOCUMENT Design 02 · HLD & LLD Implementation 03 · CODE BASE Verification 04 · TEST REPORT Deployment 05 · LIVE SYSTEM Maintenance 06 · ONGOING SLA PHASE-GATED · ONE-WAY FLOW

Methodology 03 · Waterfall

Waterfall development

A sequential SDLC model (Royce, 1970) that splits delivery into six phase-gated stages. Each stage produces a formal deliverable that's signed off before the next begins — no overlap, no rework. Best when requirements are locked, regulatory documentation matters (medical, defence, finance), or scope must be priced and committed before kickoff.

  • 01 · Requirements analysis

    Stakeholder interviews and use-case mapping; deliverable is a signed-off Software Requirements Specification (SRS).

  • 02 · System design

    High-Level Design (architecture, data model) followed by Low-Level Design (modules, interfaces). Output: HLD & LLD documents.

  • 03 · Implementation

    Engineers build to spec with documented code reviews and unit tests. Deliverable: the tagged code base.

  • 04 · Verification

    System, integration, UAT, and performance testing against the SRS. Output: a formal test report and defect log.

  • 05 · Deployment

    Production rollout per the deployment plan, with runbooks and training materials handed to the operations team.

  • 06 · Maintenance

    Corrective fixes, security patches, and adaptive enhancements under a defined SLA.

  • Phase-gate sign-off

    No phase begins without written approval of the prior phase's deliverable — auditable, traceable, contract-friendly.

Pair the method with the contract

Our methodology runs on top of six engagement models.

How we deliver is one half of the answer. How you engage us — dedicated team, fixed scope, time & material, offshore, hybrid, or onsite augmentation — is the other half. We help you pick both at kickoff.

See engagement models

Frequently asked

The questions we hear during every kickoff.

What methodologies does Nexlla use?

We pick the methodology that fits the work:

  • Agile — iterative development with flexibility and continuous feedback.
  • Waterfall — structured and sequential, ideal for well-defined projects.
  • Scrum — Agile framework with sprints, daily stand-ups, and rapid iteration.
  • DevOps — CI/CD, automation, and tight collaboration between dev and ops.
  • Hybrid — Agile + Waterfall combined for project-specific needs.
How does Agile improve project efficiency?

Agile focuses on iterative development, rapid delivery, and continuous feedback. The wins:

  • Faster cycles — short sprints ship working software quickly.
  • Better collaboration — developers, designers, and stakeholders work in close orbit.
  • Higher adaptability — mid-development changes don't blow up the schedule.
  • Risk management — continuous testing surfaces problems early.
What are the advantages of Waterfall?

Waterfall is ideal for structured projects where requirements are well-defined. The benefits:

  • Clear planning — each phase has defined deliverables and goals.
  • Predictable cost & timeline — calculated upfront, not discovered mid-flight.
  • Ease of management — best for projects with minimal scope changes.
  • Quality assurance — testing at each phase keeps errors contained.
What is DevOps, and how does it help?

DevOps integrates development and IT operations to enhance collaboration, automation, and continuous delivery. The wins:

  • Faster deployment — CI/CD shortens lead times.
  • Better collaboration — dev and IT teams work in sync.
  • Automated testing & monitoring — stability with quick incident resolution.
  • Scalability — apps and infrastructure scale rapidly when traffic does.
Which methodology is best for my project?

It depends on project complexity, flexibility needs, and budget constraints. Send us the brief — we'll recommend one in the first reply.

End of issue · 2026.05

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