
“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.”
Every engagement runs a fixed window from kickoff to launch.
Scoped from a clear, one-page brief and priced as a fee letter inside four working days.
Run directly by the people writing the code — zero account managers, zero recruiting layers.
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.
Fixed-scope, not headcount. You hire an outcome — a shipped feature, a migrated codebase, an automated workflow — not a body to manage.
Senior-only delivery. The engineers who scope the work are the engineers who write the code. No account-manager relay, no junior bench.
Fast time-to-quote. Engagements are priced as a fee letter within four working days of a one-page brief, not a multi-week discovery sales cycle.
Swift Resume
Next.js frontend · Payload CMSBuilt a Next.js resume platform with AI-assisted generation, live preview, ATS-friendly templates, PDF export, and a Payload CMS marketing site.
5min
20M
4.4/5
32,712
Bingo Card Creator
Next.js product build · Growth engineeringBingo Card Creator needed to grow from a simple card generator into a full bingo platform. We built a Next.js application for creating text, emoji, and image cards, generating thousands of unique print-ready PDFs, hosting online games for up to 2,000 players, and delivering customised printed cards to customers' homes.
$50K
> 160K
> 300K
< 2min
For Bingo Card Creator, Flex Solutions built a Next.js platform that grew MRR by $50K, scaled to 160,000+ registered users and 300,000+ monthly visits, and cut text-card generation time to under 2 minutes.
For Swift Resume, Flex Solutions shipped an AI-assisted Next.js resume builder with a Payload CMS marketing site.
Swift Resume itself now holds a 4.4/5 rating across 32,712 reviews — a rating of the Swift Resume product, not a rating of Flex Solutions.
Three practices, eight engagements — each scoped from a one-page brief, each priced as a fee letter inside four working days.
AI-accelerated delivery for SaaS teams that want to ship, not sit through discovery decks. Coding agents, evals, same review, six-week roadmaps.
AI process automation built on durable workflows and evals, not triggers that break every Tuesday. One process, automated end to end.
Flex Solutions is an Astro development agency building fast marketing sites, docs, and blogs. Hire Astro developers for your next build.
Greenfield Payload builds, schema redesigns, and custom-field engineering. 4–10 weeks.
Native-feel Electron + React apps for macOS, Windows, and Linux, with auto-update, code-signing, and deep OS integration. 8–14 weeks.
Migrates WordPress sites to Astro while preserving URLs, redirects, schema, sitemaps, and editorial workflows. 4–8 weeks.
Migrates WordPress content into a typed, headless Payload stack for teams that need a modern editor experience. 6–12 weeks.
Email a paragraph about what you're building, we'll recommend an 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