SaaS Developer · United Kingdom
Hire a SaaS Developer.In United Kingdom.
Ship your SaaS in 8–12 weeks with weekly milestones — no scope creep, no surprise invoices.Starts at £8,000. Reply within 24h GMT. Free 30-min scope call.
Free 30-min scope call. Fixed quote in writing. 24h reply. No commitment.
I cap engagements at 2–3 active SaaS builds at a time so every project gets senior attention.
- 12 multi-tenant SaaS products shipped to paying B2B customers
- Avg time-to-first-paying-user: 11 weeks across 5 founder-led teams
- Migrated 4 Bubble / no-code MVPs to production-grade Next.js
- 6+ years shipping Postgres + Stripe billing for clients in 5 countries
Quick answer
Hiring a SaaS developer in India means working with a senior engineer who builds multi-tenant web apps with Stripe billing, role-based auth, and an admin panel. A production-ready SaaS MVP typically ships in 8–12 weeks and costs ₹6,00,000–₹12,00,000 (USD 7,500–14,500), about half of an equivalent US/UK build at the same quality.
01 — Context
Why founders in United Kingdom hire us for saas developer work.
Hire a SaaS developer to build multi-tenant platforms with auth, billing, admin dashboards, and the boring-but-critical infrastructure buyers expect.
UK founders and London-based scale-ups get senior React, Next.js, Shopify, and SaaS engineering at roughly half the rate of a London senior contractor (London senior devs average £500–£800/day). Full GMT afternoon overlap and a direct line to the engineer building your product.
United Kingdom-specific: Weekly written progress reports, GDPR-aligned data handling, full GMT/BST afternoon overlap, fixed milestones agreed in writing before any code is written. Most SaaS rebuilds fail because scope was vague — ours is locked.
SaaS development at this studio is a complete build, not a prototype. You get a multi-tenant Next.js application, Postgres database, authentication, Stripe or Razorpay billing, transactional email, an internal admin panel, and the deployment pipeline that runs it. Built on the modern production stack (Next.js App Router + Supabase + Stripe + Vercel) so you do not rebuild in 12 months. Most failed SaaS MVPs fail the same way: 18 months building features no one asked for, then running out of runway before the first paying customer. I focus on the lean MVP first — the 20% of features that earn the first paying customer — so you validate before scaling. I write the code. You talk directly to the engineer, not an account manager.
Who it's for
Built for founders who need to ship.
- Founders with a validated idea who need to launch in a quarter, not a year.
- Operators replacing a Notion + Airtable + Zapier mess with a real product.
- Agencies building an internal SaaS tool for their own clients.
- B2B startups with their first paying customer ready to migrate off a hacky MVP.
Decision helper
Is this right for you?
Find your row. We will tell you straight if your shape fits this engagement, or if a different one does.
| You are | If this is true | What we recommend |
|---|---|---|
| Pre-launch startup | Validated idea, no real product yet — runway is the clock | Lean MVP — the 20% of features that earn the first paying customer, not the 80% that burn the seed round |
| Scaling SaaS | Customers in, but the product is buckling under load or scope | Architecture audit, then a targeted rebuild on the hot paths only — not a 6-month rewrite |
| Stalled product | A previous dev or vendor abandoned the codebase mid-build | 1-week paid takeover audit so you know what is salvageable before you commit to scope |
| AI-native idea | AI is the core differentiator, not a bolt-on demo | SaaS + AI integration as one engagement — one team, one timeline, one quote |
| Not sure where you fit | You see yourself in two rows, or none | Book a free 30-min scope call — we will tell you straight where you fit, even if it is not us |
02 — Approach
How we work.
Shipping a SaaS MVP fast means cutting scope, not quality. We build the 20% that drives 80% of customer value — auth, billing, workspace isolation, a great first-run experience — and defer the rest with a clear roadmap.
GMT/BST afternoon overlap (your afternoon is our evening) for standups, reviews, and planning. Billed in GBP via Wise or USD via Stripe. NDAs / MSAs signed before kickoff. Async-first via Slack + Linear / Notion.
03 — Deliverables
Every engagement ships with:
- Multi-tenant Next.js + Postgres application
- Stripe billing + customer portal
- Role-based auth (roles, invites, audit logs)
- Internal admin dashboard
- Deployment on Vercel / Railway / AWS
- Typical stack
- Next.js · TypeScript · PostgreSQL · Prisma / Drizzle · Stripe · Redis
- Typical projects
- B2B SaaS MVP from concept to first paying customer · Internal tool that needs to become a product · Vertical SaaS for a specific industry (legal, fitness, logistics) · Analytics / dashboard SaaS with real-time data
Process
How we actually ship.
Every engagement runs the same playbook. No surprises, no scope creep, no PM layer between you and the code.
- 01
Discovery (week 0)
60-minute call. Sitemap, data model, integrations, success metrics. You leave with a written scope.
- 02
Quote (within 48 hours)
Fixed price, fixed timeline, milestones written down. No hourly padding.
- 03
Foundation (weeks 1–2)
Next.js scaffold, Postgres schema, auth, multi-tenant routing, deployment pipeline.
- 04
Core build (weeks 3–8)
The workflow your customers actually pay for. Iterative weekly demos, not a 12-week black box.
- 05
Billing + admin (weeks 9–10)
Stripe / Razorpay, invoicing, internal admin panel, support tooling.
- 06
Hardening (week 11)
Load testing, RLS audit, security headers, Core Web Vitals pass.
- 07
Launch (week 12)
Production cutover, monitoring, on-call for the first 14 days.
Cost breakdown
How much does it actually cost?
Real ranges. Real currencies. No discovery-call gatekeeping for the price band you fall into.
| Tier | INR | USD | Best for |
|---|---|---|---|
| MVP — single-tenant | ₹3.5L – ₹6L | $4,500 – $7,500 | Internal tool, single-customer pilot |
| MVP — multi-tenant | ₹6L – ₹12L | $7,500 – $14,500 | Public B2B SaaS, first 50 customers |
| Full product | ₹12L – ₹25L+ | $14,500 – $30,000+ | Multi-role, billing tiers, AI, integrations |
Timeline
How long it takes.
- MVP — single-tenant
- 6–8 weeks
- MVP — multi-tenant
- 8–12 weeks
- Full product
- 12–20 weeks
04 — Pricing
Starts at £8,000.
Custom SaaS builds start at ₹8,30,000 / $10,000 / £8,000 base + features.
- Primary (GBP)
- £8,000
- Also in USD
- $10,000
- Also in INR
- ₹8,30,000
- Timezone
- GMT/BST (UTC+0 / UTC+1)
- Reply
- Within 24 hours
Comparison
Freelancer, agency, or us?
The honest tradeoffs. No 'we're the best at everything' fluff.
| Solo Freelancer | Agency | Sadik Studio | |
|---|---|---|---|
| Senior engineer on your project | Sometimes | Rarely | Always (it is me) |
| Project manager between you and code | No | Yes | No |
| Fixed price | Sometimes | Rarely | Always |
| Production-ready first launch | Rarely | Sometimes | Always |
| 8-week MVP cost | ₹2–5L | ₹15–40L | ₹6–12L |
| Code ownership | Usually | Sometimes | Always |
| Disappears post-launch | Often | Sometimes | No (30-day support) |
06 — FAQ
Questions about hiring in United Kingdom.
How much does it cost to hire a SaaS developer in India?
A production-ready multi-tenant SaaS MVP costs ₹6,00,000 to ₹12,00,000 (USD 7,500–14,500) for an 8–12 week build. Single-tenant or internal-tool MVPs start around ₹3,50,000. Hourly senior rates run ₹3,500–₹5,500 (USD 45–70). Full breakdown in Cost of building a SaaS app in India 2026.
How long does it take to build a SaaS MVP?
8–12 weeks for a multi-tenant MVP with auth, billing, and a real admin panel. Anything quoted under 4 weeks is a no-code prototype, not a SaaS, and you will rebuild it inside 12 months. See SaaS MVP in 8 weeks: realistic timeline for a week-by-week plan.
What tech stack do you use for SaaS?
Next.js (App Router) + TypeScript on the frontend. Supabase (Postgres + Auth + Row Level Security) or custom Node + Postgres on the backend. Stripe or Razorpay for billing. Vercel for hosting. OpenAI / Anthropic for AI features.
Do you build multi-tenant SaaS architecture?
Yes. Multi-tenancy is the default. Tenant isolation is enforced via Postgres Row Level Security plus tenant-scoped routing. No painful refactor at customer 50.
Can you integrate AI features like ChatGPT or Claude?
Yes. AI is a core specialty. We build chat assistants, document Q&A, semantic search, and agentic workflows. See the AI integration services page for scope detail.
Do you handle Stripe and Razorpay billing?
Yes. Subscription tiers, metered billing, INR + USD dual-currency, GST-compliant invoicing, dunning, and the customer portal. Both gateways supported on the same product.
Will I own the code and infrastructure?
Yes. Source code in your GitHub org, infrastructure under your accounts, domain in your registrar. No platform lock-in, no licensing, no per-seat fees.
Should I hire a SaaS freelancer or an agency?
Freelancers are cheap and risky — typically junior, often disappear, rarely production-ready. Agencies cost 3–4× more and put a project manager between you and the code. A senior founder-led studio sits in the middle: senior engineer on every project, fixed price, no PM layer.
Can you take over a SaaS that another developer abandoned?
Yes, after a paid 1-week audit. Most takeovers are viable; some are cheaper to rebuild. I will tell you which honestly, in writing, before you commit to scope.
Do you offer ongoing maintenance after launch?
30 days of bug fixes and small changes are included. Beyond that, retainers start at ₹40,000/month (about $500) or hourly engagements at ₹3,500–₹5,500 (USD 45–70).
Why hire a SaaS developer in India over the US or UK?
Same senior quality at roughly half the rate. Full timezone overlap for Asia, morning overlap for US East and Australia. References available for direct US, UK, and AU clients shipped in the last 24 months.
Do you sign NDAs and IP assignment agreements?
Yes. Mutual NDA before scope discussions and full IP assignment in the master services agreement. Every line of code becomes yours.
How does timezone work with UK clients?
We overlap with GMT/BST afternoons (your 1pm-6pm is our 6:30pm-11:30pm IST) for live standups, reviews, and pairing. Async work continues outside that window so progress never stalls overnight.
What currency and payment method do you accept from UK clients?
GBP via Wise (recommended) or USD via Stripe / direct bank transfer. Standard terms: 30% to start, 40% at milestone, 30% on delivery. UK-compliant invoicing with VAT notes where relevant.
Can you sign NDAs / MSAs with UK companies?
Yes. We sign standard UK-jurisdiction NDAs and MSAs before any code is written. IP assigns to the client on final payment.
Do you work with UK e-commerce brands on Shopify?
Yes. We build Shopify 2.0 themes and Hydrogen storefronts with multi-currency Shopify Markets (GBP / EUR / USD), Klarna / Clearpay integration, and Klaviyo flows tuned for UK retail.
Do you work with clients in India, the USA, and Australia?
Yes. I work with clients globally and have served teams across India, the USA, Australia, the UK, and Singapore. Indian clients are billed in INR; international clients are billed in USD (AUD on request).
How much does a custom SaaS or web app cost?
Custom web apps start at $10,000 for a focused MVP and scale with the feature set you choose on the quote estimator. Each additional feature (auth, payments, admin dashboard, real-time, etc.) adds $100. You get a full fixed quote before any work begins.
Related
More paths.
Further reading
Read before you brief.
Real numbers and playbooks from past projects. Useful before our first call.
Key summary
The short version.
- SaaS MVP in 8–12 weeks, fixed-price, ₹6L–₹12L (USD 7.5K–14.5K).
- Senior engineer on day one — no juniors, no PM layer between you and the code.
- Multi-tenant Next.js + Supabase, Stripe / Razorpay billing, RBAC, admin panel included.
- Full code and infrastructure ownership — no platform lock-in.
- 30 days post-launch support; retainers from ₹40,000/month.
Ready to hire a SaaS developer in United Kingdom?
Send a short brief. Reply within 24h GMT. Free 30-min scope call.Free 30-min scope call. Fixed quote in writing. 24h reply. No commitment.