Qelv

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Talent

We put engineers on your team.

Senior engineers on your tools and standards, under your brand when the work is for your client. One block to start, more only if the work earns it.

Projects
9

3 written up on the work page

Figures published
6

listed on the work page

Free first step
Capacity Note

built from your open roles and current stack

Fixed price from
$25

Overflow Dev Bench

Is this you

The week this fixes.

Sentences we hear from the people who end up sending this practice a bottleneck, and what each one is costing while it stays true.

  • “We just signed work we do not have the hands for.”

    A delivery date that depends on a hiring cycle.

  • “Two engineering roles open, one recruiter.”

    Weeks per seat, in sequence, while the team covers both gaps at once.

  • “The delivery calendar is full and the next project just signed.”

    A quarter of work that needs more hands than the payroll supports.

That is us. Send the bottleneck

Or start with the free Capacity Note, below.

What a project covers

Scoped to the smallest useful system, judged against a number.

  • Overflow dev bench: hourly or weekly blocks, founder-direct, on your tools and standards
  • White-label delivery for agencies, with your brand in front of the client
  • Defined-scope augmentation: start small, extend only if the work earns it

What that has looked like

  • An agency's overflow sprint delivered white-label, on their stack
  • Senior hands added to a product team for a defined push
  • UI/UX and mobile capacity for a team that cannot wait a quarter to hire

The measures we agree before building

One of these is picked with you at the scoping step, and reported against.

  • Delivery throughput per sprint
  • Time from need to a productive engineer
  • Cost per shipped unit of work against a full-time hire
Send the bottleneck for a Capacity Note

We reply within two business days. If it is a fit, you get a one-page note on what to do first, before any sales call.

The bar

How an engineer gets onto your team.

The same bar every time. It is the part of staffing that usually stays vague, so here it is in full.

  1. Step 1: A live technical task, not a CV screen

    Candidates get a real problem from the work, with a deadline and the shortcuts ruled out in writing. What the task is depends on the seat: a reverse-engineering problem for a data placement, a schema and a broken migration for a backend one.

  2. Step 2: A phased trial, the second phase paid, under NDA

    The first phase screens. The second is paid and runs on the client's actual work, so the decision is made on delivery rather than on interviews.

  3. Step 3: Placement on the client's terms

    Biweekly billing or a monthly block, in the client's repository under the client's standards, with the founder still accountable for the work.

  4. Step 4: The bar stays written down

    The screening task, the trial phases, and the hand-off are documented per placement, which is what makes the next one repeatable.

No charge, no call

Start with the free one.

Each is a document or a sample, written by the person who would do the work. Send one input, get something back you can act on or ignore.

  • Free

    Capacity Note

    Who would sit in the seat, how the first week runs, and how to end it if the fit is wrong.

    You send: Your open roles and the current stack. The job ad is usually enough.

    You get back:

    • The shape of the engineer the work actually needs, against the one the ad describes
    • How the first week runs: what they touch, what they ship, who reviews it
    • The exit: how you end it, and what you keep if you do

    Two business days. No placement fee, and no obligation to stop recruiting.

    Usually precedes Overflow Dev Bench. Nothing obliges you to take it.

Every free first step across the five practices is listed together, if the problem sits between two of them.

Entry points

Where the work starts, and how it is priced.

Start with one. None of them requires the next one, and each is small enough to judge on its own.

  • Overflow Dev Bench

    Senior hands on your overflow, white-label, weekly invoicing, cancel anytime. Your client never sees us.

    $25–$40 · Per hour · weekly invoicing

  • Try-a-Dev Week

    One week, one task, see the work before you decide anything. The cheapest way to find out whether this works for you.

    Scoped case by case · One fixed week block · 1 week

  • Dedicated Engineer

    A named engineer on your team, your standups, your tools, month to month. More only when the work earns it, and no placement fee.

    $2.4K–$4.8K · Per month, part time to full time

  • Fractional Ops or Data Engineer

    The engineer you cannot justify full time, a few days a month, on the systems that keep needing one.

    $1.5K–$3K · Per month

Every price, fixed or by the hour, is agreed before work starts and built the same way: the hours, the tools, and a share of company cost. See how a price is built

The free first step

What the first move looks like.

The first move here is a Capacity Note, written from your open roles and current stack: what is signed, who is on the team, what the gap is, and the smallest addition that closes it.

Between September 2025 and March 2026 we held about forty-five discovery calls, each used to define a practical first move.

Send us the bottleneck

The note comes back before any sales call, or we say it is not a fit.

The work

What this looks like shipped.

A high-volume hotel pricing-data system

169 properties, same day

Delivery record, Qelv engineering record · 2026

Engineers placed on the client's data-collection work, each screened against the written bar, on a pipeline carrying more than eight million live requests a month against sources built to block it.

In production

4 figures

Under client agreement. The client owns this system. Ask and we will walk you through how it was built and what it changed.

Request a walkthrough

AdultEd Pro: UI/UX and mobile delivery capacity for an adult-education product

Screened React Native developers and a QA engineer supplied as staff augmentation, plus a fixed-price Figma UI/UX design project, for an adult-education mobile app that went live in January 2024; the engagement ran December 2023 to May 2024.

Delivered

Under client agreement. The client owns this system. Ask and we will walk you through how it was built and what it changed.

Request a walkthrough

AI Mark Labs: A technical and creative team inside a marketing agency, for a calendar year

15 to 70 clicks per 28-day window

Google Search Console performance emails · 7 February to 5 July 2024

An embedded technical and creative delivery team inside a West Virginia marketing agency through 2024: weekday huddles, weekly reporting on client dashboards and return on ad spend, delivery on its clients' sites, and a measured search window on its own property.

Delivered

2 figures

Read the case study

6 more staffing projects

What else we have built in this area, and what changed as a result.

Engagements in this catalogue, described without numbers and, in most cases, without the client: they were built under confidentiality or under another firm's brand. For numbers with sources behind them, see the work page.

Customer-facingOverflow delivery for an agency, under their brand

Software & agencies

An agency had signed more than its delivery calendar could hold and did not want to turn work away or start a hiring cycle for a temporary peak.

What we built

  • Engineers working inside the agency's repository, standards, and review process
  • Communication through their project management, in their client's language
  • No Qelv branding anywhere in the deliverable or the correspondence
  • A defined end date, with handover written before it arrived

What changed

The agency took the work instead of declining it, and their client never encountered a subcontractor.

Weekly blocks, defined end date

Client stack · White-label delivery · Code review

Delivered white-label. Shipped under another firm's brand. We will walk you through the engineering on a call.

Ask about this work

Customer-facingBuilding it, then teaching the client's team to keep it

A team wanted the system, wanted to own it afterwards, and had nobody free to build it first. Bringing in help usually trades one dependency for another.

What we built

  • The build, run as a normal engagement against an agreed scope
  • Their engineers in the code review from week one, on our work, not on a training exercise
  • Documentation and runbooks written for the person who inherits it, not for us
  • A deliberate wind-down where they ship the last pieces and we review

What changed

The system landed and the client's own team could change it afterwards, which is the part that usually does not survive a contractor leaving.

Fixed-price build with a handover period

Client stack · Pairing · Code review · Documentation

Under client agreement. The client owns this system. Ask and we will walk you through how it was built and what it changed.

Request a walkthrough

OperationsCovering a specialist seat while it was being filled

The one person who understood a critical system resigned, and the replacement search had barely started.

What we built

  • Immediate cover on the system, learning it from the code and the running behaviour
  • Documentation of what was learned, written for the eventual hire
  • Maintenance and incident response during the gap
  • A structured handover to the permanent hire when they arrived

What changed

The system kept running through the gap, and the new hire inherited notes rather than an archaeology project.

Hourly, month to month

Varies by system · Incident response · Documentation

Under client agreement. The client owns this system. Ask and we will walk you through how it was built and what it changed.

Request a walkthrough

Customer-facingStanding up an AI product team from nothing

A company had committed to an AI product and had no one in-house who had built one.

What we built

  • Engineers placed against the specific gaps, rather than a generic squad
  • Working alongside the client's own hires as those arrived
  • Delivery practice (review, testing, release) established as the team formed
  • A defined path to the client's own team owning it

What changed

The product got built while the permanent team was still being hired, instead of after.

Monthly, scaled to the roadmap

Client stack · Team formation · Delivery practice

Under client agreement. The client owns this system. Ask and we will walk you through how it was built and what it changed.

Request a walkthrough

Customer-facingDeveloper capacity for a startup between funding rounds

Startups

A startup needed to keep shipping through a period where committing to permanent salaries was not sensible.

What we built

  • Developers on defined blocks, scaled up and down against runway
  • Work in the client's repository under their standards
  • Enough documentation that a pause did not mean starting again
  • Honest calls about what to cut when the block was smaller

What changed

Delivery continued through the gap without headcount commitments the company could not yet carry.

Monthly blocks, scaled to runway

Client stack · Flexible blocks · Documentation

Under client agreement. The client owns this system. Ask and we will walk you through how it was built and what it changed.

Request a walkthrough

Customer-facingDelivery capacity for another software company

Software & agencies

A software firm had more signed work than delivery capacity, and its own clients were waiting.

What we built

  • Engineers working inside their process, their repository, their review
  • Delivery under their brand to their client
  • Their SEO and web workstream picked up alongside the build work
  • A defined end, with everything handed back documented

What changed

They delivered the committed work on their own timeline without hiring for a peak.

Weekly blocks, defined end date

Client stack · White-label delivery · Web · SEO

Delivered white-label. Shipped under another firm's brand. We will walk you through the engineering on a call.

Ask about this work

Browse the full catalogue

Where to next

The free first step: a Capacity Note.

Send your open roles and current stack. That is all the Capacity Note needs.

We reply within two business days. If it is a fit, you get a one-page note on what to do first, before any sales call.