Built by engineers who've actually shipped the thing.
Codex Studios is a small, deliberate firm delivering cloud consulting, software development, AI enablement, and technical staffing — grounded in real production experience across enterprise and startup environments.
Founded
2020
Engineering experience
10+ yrs
Sectors served
Fin · Retail · EdTech · Gov
Headquartered
Richmond, VA
Why Codex exists
Most consulting is sold.
We'd rather build.
Codex Studios was founded in 2020 with a clear purpose: bring engineering rigor and cloud expertise to organizations that need real execution — not just advisory. We work across technical staffing, cloud consulting, software development, and AI enablement — building solutions that hold up under production conditions and business scrutiny alike.
Our team has contributed to enterprise-scale work in financial services, global retail, and education technology — alongside direct partnerships with startups navigating their first production deployments. The standard has always been the same: deliver something that works, document it properly, and leave the system better than you found it.
We don't oversell scope and we don't underdeliver on commitments. Our approach is collaborative, technically honest, and focused on measurable outcomes — from microservices migrations and MLOps pipelines to candidate sourcing quality and vendor channel performance.
What we do
Four practices, one delivery standard
Whether you need a single senior engineer, a multi-quarter cloud program, or an AI-enabled internal tool — the team you get is staffed with people who've done the work before.
Technical Staffing
High-signal engineers and consultants placed into demanding roles. Backed by rigorous screening and identity verification.
Cloud & Platform Engineering
AWS-led cloud modernization, infrastructure as code, SRE, security hardening, and platform engineering for resilient workloads.
Software Development
Full-stack engineering, API design, legacy modernization, and secure custom applications shipped under production conditions.
AI Enablement & Automation
Applied AI workflows, document intelligence, and automation with human-in-the-loop review for trusted outcomes at scale.
Meet the founder
The person behind the work
David J. Nsoesie
Founder & Principal Engineer · Codex Studios
“Good engineering is just paying attention to the right details at the right time — and then writing it down so the next person doesn't have to relearn it.”
David has spent over a decade solving complex problems at the intersection of cloud architecture, distributed systems, and applied AI. His engineering career spans enterprise financial services, global retail, e-commerce, and early-stage startups — working hands-on with Python, Go, Java, TypeScript, infrastructure as code, and modern AI/ML tooling.
Before founding Codex Studios, David led cloud and software initiatives inside complex production environments — migrating legacy microservices, hardening AWS infrastructure, building MLOps pipelines, and standing up developer platforms that other engineers actually wanted to use.
He started Codex Studios in 2020 because he kept seeing the same pattern: capable organizations stuck between strategy decks and execution. The firm exists to close that gap — with engineers who scope honestly, build durably, and treat client systems with the same care as their own.
- 10+ years building systems in production across financial services, retail, and education tech
- AWS cloud architecture, distributed systems, and microservices migration at enterprise scale
- Hands-on with Python, Go, Java, TypeScript, infrastructure as code, and AI/ML integration
- Founded Codex Studios in 2020 to bring engineering rigor to consulting, staffing, and product work
How we work
Operating principles
Four commitments we make on every engagement — regardless of size, sector, or whether you found us directly or through a partner.
Engineering depth before strategy
We lead with people who have actually shipped the thing — not slide decks. Every engagement is staffed with practitioners who can implement, not just advise.
Honest scoping, no oversell
If a project doesn't need transformation, we'll tell you. We size work to the outcome, not the contract. Trust compounds; oversell doesn't.
Document like the next team is watching
Every system we touch ships with the artifacts the next engineer needs — runbooks, diagrams, decisions. We leave systems better than we found them.
Outcomes over hours
Measurable wins: reduced cycle time, lower infrastructure cost, faster hires, fewer incidents. We track what matters and report against it.
Past performance
Representative engagements
Our team has contributed to meaningful technical work across enterprise financial services, global retail, e-commerce, and staffing channels — directly and through partner networks.
Engagements below reflect work performed directly by Codex Studios or through staffing partners, consulting partners, or vendor channels. References to enterprise clients describe representative end-client environments and do not imply direct contracts, endorsements, or formal partnerships unless explicitly stated.
Capital One Bank
Representative end-client experience
AWS cloud consultation, Python development, and Java-to-Go microservices migration supporting enterprise-scale financial systems serving millions of customers.
Signet Jewelers
Via consulting partner — ClearBridge Technology Group
AWS cloud solutions, infrastructure-as-code migration, MLOps, and custom AI/data integrations across a global retail enterprise with thousands of locations.
Swank Collection
Direct engagement
Full-stack development, cloud infrastructure, application security auditing, and workflow automation — reducing internal administrative overhead by approximately 60%.
Let's build something that lasts.
Whether you need a senior engineer for the quarter, a cloud program for the year, or a capability statement for procurement — start the conversation and we'll meet you where you are.