About

Built by engineers. Focused on outcomes.

Nexsid is a specialized engineering firm that partners with ambitious companies to design, build, and operate the systems that matter most.

Our Story

We started Nexsid because the best engineering talent rarely ends up where it's needed most.

Most engineering firms are built around headcount. They win on volume, staff projects with whoever is available, and measure success by hours billed. We built Nexsid to work differently.

We founded the company on a simple belief: that a small team of exceptional engineers, given the right context and the right problem, will outperform a large team of generalists every time. That belief shapes everything — how we hire, how we scope engagements, and how we measure our own success.

Today, Nexsid works with growth-stage startups and established enterprises across AI systems, cloud infrastructure, platform engineering, and software development. Every engagement is staffed with engineers who have shipped production systems at scale — not consultants who have read about it.

2019

Founded

40+

Engagements delivered

$2B+

Infrastructure managed

Team

Senior engineers. No juniors on client work.

Every person who touches your engagement has shipped production systems at scale. We don't staff projects with junior engineers learning on your dime.

Aryan Kapoor

Founder & Principal Engineer

Previously led infrastructure engineering at a Series D fintech. Designed and operated systems processing $4B+ annually. Specializes in cloud architecture, Kubernetes, and distributed systems.

Cloud Infrastructure · Platform Engineering

Priya Nair

Principal AI Engineer

Former ML engineer at a top-5 AI research lab. Built and deployed LLM-powered products used by millions. Deep expertise in RAG systems, fine-tuning, and production inference pipelines.

AI Systems · LLMs · RAG

Marcus Webb

Principal Software Engineer

10+ years building high-throughput backend systems. Led the rewrite of a billing platform processing $500M/year. Expert in Go, event-driven architecture, and database performance.

Software Development · Systems Design

Leila Ahmadi

Technical Strategy Lead

Former CTO of two venture-backed startups. Advises growth-stage companies on architecture decisions, technical hiring, and engineering org design. Frequent technical due diligence reviewer.

Technical Strategy · Fractional CTO

Approach

We engage like a partner, not a vendor.

Understand before proposing

Every engagement starts with a discovery phase. We spend time understanding your architecture, your team, your constraints, and your goals before we propose anything. We don't sell solutions before we understand problems.

Scope for outcomes, not hours

We scope engagements around outcomes — a deployed system, a resolved bottleneck, a completed migration — not time-and-materials billing. You know what you're getting before we start.

Work in the open

We work directly in your codebase, your infrastructure, and your communication channels. No black-box deliverables. Your team sees every decision as it's made and understands the reasoning behind it.

Leave you stronger

The goal of every engagement is to leave your team more capable than we found it. We document what we build, explain the decisions we made, and transfer knowledge deliberately — so you don't need us for the same problem twice.

Values

What we stand for.

Craft over convenience

We take the time to do things right. That means pushing back on shortcuts, writing systems that are maintainable, and being honest when a faster path will create problems later.

Honesty over comfort

We tell clients what they need to hear, not what they want to hear. If an architecture has a fundamental flaw, we say so. If a timeline is unrealistic, we say so. Trust is built on honesty.

Outcomes over activity

We measure ourselves by what ships and what improves — not by hours logged or tickets closed. Busy work is not progress. We stay focused on what actually moves the needle.

Depth over breadth

We work in a focused set of domains and we work deeply. We don't chase every new technology or take every engagement. Specialization is how we stay genuinely useful.

Want to work together?

We take on a small number of engagements at a time. If the problem is hard and the stakes are real, we'd like to hear about it.

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