Senior engineers who join your team and stay

QuartzDevs supplies dedicated senior engineers from Hungary and Romania. They work in your repositories, tools and process, own the outcome, and stay for years rather than for a single task.

  • Senior engineers only
  • 8+ years average experience with enterprise clients
  • First commit typically within 1-2 weeks
  • 20+ clients served
  • Volvo logo
  • Save the Children logo
  • GoStudent logo
  • Array logo
  • Bikemap logo
  • Series Eight logo
  • RightsUp logo

Where Engineering Capacity Usually Goes Wrong

Four problems engineering leaders bring us, and how senior engineers who stay solve them.

Hiring is slower than your roadmap

Recruitment cycles run for months while the backlog keeps growing. Every open role is capacity you are not shipping with.

Our engineers are pre-vetted and senior. They join your repositories, tooling and standups, and the first commit typically lands within 1-2 weeks of engagement start.

A wrong senior hire is expensive

Traditional recruitment gives you a CV and an interview, and very little you can check before the cost is already sunk.

We work only with senior engineers, 8+ years of experience with enterprise clients on average, with delivery for teams at Volvo, Save the Children and GoStudent behind them. A track record you can check.

Technical debt keeps compounding

Inexperienced work piles up as debt that slows every feature that comes after it.

Senior engineers build maintainable code inside your repositories, through your pull requests and code reviews, with testing built into the workflow and documentation left behind.

Delivery turns unpredictable

Estimates slip and scope drifts until planning becomes guesswork for everyone involved.

A named point of contact owns delivery. You get honest estimates, visible progress and early warning when something is at risk.

Engagements Measured in Years, Not Sprints

The proof that engineers who embed in a team stay and keep delivering.

CALI Floors

3.5+ years and counting

B2C and B2B e-commerce platforms with custom checkout for CALI Floors, gaining 40+ Lighthouse points and protecting $10k+ in monthly checkout revenue.

2–4 engineers (1 in maintenance today)Read the CALI Floors case study

GoStudent

2.5 years

A company-wide UI component library with live Figma token updates, used by 4 internal products at GoStudent. Saved 8,000+ dev hours in 6 months.

Mocentiv

1.5 years

A complex sales-incentivization platform with a dynamic UX and advanced data visualization, built for Mocentiv over 1.5 years by a team of 3 engineers.

Save the Children International

1.5 years (2 separate projects)

Two AI platforms, an internal support chatbot and a crisis-monitoring system aggregating news, APIs and weather data, built by 3 engineers over 1.5 years.

Array

9 months

Migrated a legacy credit-scoring monolith into modular micro-frontends and reworked the UX of white-label B2B financial tools for Array, in 9 months.

Explore more engineering projects

Part of Your Team, Not Beside It

Engineers work in your tools and process, answer to a named owner, and leave systems you can maintain.

  • Hungary & Romania based
  • ~10-person core engineering team
  • +10-15 senior engineers we can add quickly

Meet the people behind QuartzDevs

Client-facing communication

Engineers who join your standups, write clearly, and can be trusted in front of your stakeholders.

Clear project ownership

A named point of contact who owns delivery, not a rotating pool of anonymous resources.

Transparent timelines

Honest estimates, visible progress, and early warning when something is at risk.

Structured QA

Testing built into the workflow, not bolted on at the end.

GitHub-based workflow

Pull requests, code reviews and documentation in your repositories and tooling.

Documentation & handover

We leave systems maintainable, documented and easy to hand back or extend.

GDPR-conscious EU delivery

EU-based teams, ready for due diligence and compliance review.

What Our Clients Say

Senior engineers who integrate, deliver and stay, in the words of the people who work with them.

“The QuartzDevs team was able to implement a solution for our payment gateway issues and saved us tens of thousands of dollars in lost revenue, as well as time spent by our accounting, sales, and customer service teams to remedy these issues.”
Flo Stroe

Flo Stroe

Manager, Web Applications @ CALI Floors

“The QuartzDevs team of three engineers was proactive and assumed numerous responsibilities. Their lead was leading various aspects of the project's engineering work we were involved in. Despite the need to switch between his duties frequently, he maintained efficiency and the team has completed the tasks both cleanly and on schedule.”
Jamal Fares

Jamal Fares

UCAN Project Director @ Save the Children International

“The engineer from QuartzDevs was able to switch between complex projects quickly and smoothly. He also took the initiative when needed. Overall I was very satisfied with the quality of the work.”
Petr Jung

Petr Jung

Product Owner @ Volvo Cars

Two Ways to Work With Us

The same senior engineers, engaged in the shape that fits your team.

Dedicated Development Team

A stable group of senior engineers with complementary skills, built around your product and responsible for sustained delivery. Product knowledge and technical context stay with the team.

Dedicated development team

IT Staff Augmentation

Individual senior engineers added to your existing team for specific expertise or extra capacity, working under your engineering direction and inside your tools.

IT staff augmentation

Looking from a specific seat? See how we work with CTOs and engineering leaders, enterprises, agencies and partners, startups and NGOs.

Talk to the Engineers Who Would Join Your Team

Tell us about your product, your current engineering setup, and the capacity or expertise you are missing. The first conversation is about your engineering challenge and what kind of team could support it.

WhatsApp

We reply within 1 business day.

Prefer to talk first? Contact QuartzDevs