
“We optimize for people who ship with taste and precision. If you care about craft, communication, and momentum in equal measure, you'll feel at home here.”
Your product deserves
more than code.
A senior product engineering studio for SaaS teams. Tell us where your product is today, and see how we would work on it.
SaaS platforms, AI products and desktop apps, shipped in a fixed 10–20 week window.
Next.jsPayload CMSElectron Explore SaaS product engineering
SERP Lens 146 SEO rules Growth engineering and re-platforming that keep every user, URL and ranking intact.
AstroNext.jsShopify See how we migrated The Recovery Project
The Recovery Project 0 URLs lost Problem first, specs later. No RFP or discovery sprint needed to get started.
A fixed scope and a fixed fee, priced from your brief inside four working days.
The people who scoped the work write the code. No account managers, no recruiting layers.
Every engagement runs a fixed window from kickoff to launch.
A product engineering studio differs from a traditional dev agency or staffing shop in three ways. This matters most for CTOs and founders: recruiting a full-time senior engineer typically takes 8–12 weeks to hire and onboard, while a scoped studio engagement can start shipping in that same window.
You hire an outcome — a shipped feature, a migrated codebase, an automated workflow — not a body to manage.
Not hours and people to manage
The engineers who scope the work are the engineers who write the code. No account-manager relay, no junior bench.
Not an account-manager relay
Engagements are priced as a fee letter within four working days of a one-page brief, not a multi-week discovery sales cycle.
Not a multi-week discovery sales cycle
We ship fewer things, deeper. Each engagement runs 10 to 20 weeks from kickoff to launch.
Read the full case studiesFlex Solutions shipped an AI-assisted Next.js resume builder with live A4 preview, ATS-friendly templates and PDF export, plus a Payload CMS marketing site.
4.4/5 is Swift Resume’s own product rating across 32,712 reviews, not a rating of Flex Solutions.

Flex Solutions moved The Recovery Project’s 200-page catalogue from WordPress to Astro in six working days, with every URL and ranking kept.

Pick the practice that matches your problem. Every engagement is a fixed scope, run by the senior engineers who plan it.
See all servicesNew platforms, CMS builds and desktop apps, shipped by senior engineers in a fixed window.
Shipped Bingo Card Creator Swift Resume
AI in the delivery itself and in the processes your team runs every day.
Re-platforming that keeps every URL, redirect and ranking intact.
Shipped The Recovery Project
Email a paragraph about what you’re building. We’ll recommend one engagement, not upsell all eight.
AI summarises every ticket, call, and doc so the team arrives with a map of your product, not a blank page.
Working software in days, not weeks. AI drafts the scaffold; engineers hand-craft every interaction that matters.
Weekly releases, instrumented and measurable, with every decision traceable back to a customer signal.
AI surfaces usage anomalies; engineers sit with the data and the user to refine.
No account managers, no layers. Engagements are run by senior engineers directly, including:

“We optimize for people who ship with taste and precision. If you care about craft, communication, and momentum in equal measure, you'll feel at home here.”
Sr. engineers across frontend, fullstack, and AI-assisted delivery
Meet the full team“Flex Solutions shipped our Next.js bingo platform end to end — bulk printing, online play at scale, and the hard performance work behind thousands of unique cards. They felt like an embedded product team, not an agency handing off a repo.”
“Flex Solutions delivered Swift Resume's Next.js builder with real-time A4 preview, AI-assisted flows, and a Payload-powered marketing layer — all wired so product and content could ship without fighting the codebase.”
Flex Solutions has shipped dozens of products with teams across SaaS, commerce, and tooling. Most clients become repeat clients.
Read the case studiesEvery release is measured against a customer signal. No launch is a trophy.
Four-person cells with full-stack depth. No handoffs. No layers.
Tests, types, and tooling are not overhead — they are the work.
A product engineering studio ships fixed-scope, senior-led work — a feature, a migration, an automation — rather than staffing a team by the hour. Flex Solutions scopes every engagement from a one-page brief and prices it as a fee letter within four working days.
Engagements run 10 to 20 weeks depending on scope: Astro marketing sites and migrations run 3–8 weeks, AI-accelerated delivery runs 4–10 weeks, and full SaaS product engineering pods run a 12-week minimum.
Both. Alongside SaaS and internal tools, Flex Solutions builds native-feel Electron + React desktop apps for macOS, Windows, and Linux, including auto-update and code-signing.
Yes. The WordPress-to-Astro and WordPress-to-Payload migration engagements are built to preserve URLs, redirects, schema, and sitemaps during the move, and run 4–12 weeks depending on the target stack.
AI tooling — coding agents, evals, structured prompting — handles first-draft scaffolding, ticket summarization, and usage-anomaly detection. Engineers retain ownership of judgment, review, testing, and anything a customer will directly touch.
Flex Solutions intentionally limits capacity to keep engagements senior-led rather than scaling through junior headcount. Availability changes quarterly — check the hero strip above for what's currently open.
Email a paragraph describing what you're building. Flex Solutions responds with an engagement recommendation and, for qualified scopes, a fee letter within four working days.
Leave your email and send a request. Flex Solutions replies within 24 hours with next steps.
Send requestPrefer email? info@flexsolutions.co.in