A social app for discovering events, booking tickets, and finding your crowd
CTO as a ServiceCustom Development
Trusted by 150+ companies across the globe to build and scale their software.
Expert software development,
built for scale
Custom Development
From MVPs to enterprise platforms, we build web and mobile applications that scale with your business. Our full-stack expertise covers everything from modern frontends to robust backend systems.
Learn moreAI Development
Transform your product with intelligent features that actually work. We integrate AI where it makes sense - from smart automations to personalised user experiences.
Learn moreCTO as a Service
Get strategic technical leadership without the full-time hire. We help you make the right technical decisions, build your development roadmap, and scale your engineering team.
Learn moreNot another dev shop
We’re not a dev agency on the outside.
We’re your product team on the inside.
We’re your product team on the inside.
We work with your tools, move at your pace, and give you clear answers. Not vague timelines. No ticket silos. No disappearing acts. Just product-focused devs who think beyond the code.
We build like it’s our business, because your success reflects on ours.
We stay close to the products we build and many of our client relationships last 3+ years, because we keep delivering value.
CTO-level thinking, baked in
Every project gets senior engineering oversight and strategic guidance. No juniors left unsupervised, no random tech decisions. You get a team with opinions, experience, and people who care about the outcome as much as you do.
For product-first founders
We’ve built startups, shipped products, managed messy projects, and fixed bad agency code. We think in terms of added value, not just tickets. Whether you’re launching from zero or scaling a live product, we bring speed, strategy, and clarity, without adding noise.
No chaos. No jargon. Just results.
You’ll always know what’s happening, what’s next, and what it costs. Async updates, open Slack/Teams access, fixed pricing, and a dev team that gets things done without you chasing.
- Years of experience
- 16+
- Clients served
- 178+
- Projects completed
- 140+
- Awards won
- 2
Recent work
All-in-one SaaS platform for measuring and managing social sustainability
AI DevelopmentCustom DevelopmentCTO as a Service
What sets Celestify apart
Product-first mindset
We don't just build what's in the spec. We ask questions, challenge assumptions, and help you make better product decisions, from day one.
Embedded, not outsourced
You'll find us in Slack, not behind a ticket wall. We work inside your process and move like an internal team, which makes us quick to reach and easy to work with.
AI where it counts
We don't chase trends. We build AI features that solve real problems, from copilots to smart automations, and skip the parts that only exist for the hype.
Pricing that fits
Whether it's a fixed-scope build or hourly support, we keep pricing clear and predictable, so you always know what you're paying for before we start.
CTO-level leadership
Every project is backed by senior technical oversight, from architecture to tradeoffs to roadmap calls, so you're never left relying on junior-led guesswork.
Results that stick
We offer a satisfaction guarantee on new engagements, and most clients don't just stick around, they scale with us. Our median partnership lasts over 3 years.
Less agency.More ownership.
Start in four simple steps
Book a call
You tell us what you're building. We'll ask smart questions, share early thoughts, and make sure we're a good fit.
Get a clear build plan
We'll map out the scope, priorities, and tech decisions - everything you need to move fast without cutting corners.
We start building
You get a team that works with your flow. Real updates, async demos, and a pace that feels in sync, not distant.
Launch, iterate, grow
We don't disappear after v1. We stay close, help you scale, and keep improving the product with you.
What clients say about Celestify
Celestify improved our website performance and streamlined the backend, enabling our team to build faster, better customer experiences resulting in higher conversion and more pipeline.
Evan Benet
SVP of Growth, Perry Weather
We have been working with Paras and his team at Celestify for almost 3 years and we are extremely pleased overall with his services. He is smart, plans well, thinks of solutions ahead, carries through full implementation, and is there to support after deployment.
Miriam Boudreaux
CEO, Mireaux Management Solutions
Working with Celestify has been a truly smooth and seamless experience. What stands out most is their unwavering commitment to finding solutions, no matter how complex the challenge, they approach every task with a can-do mindset and deliver results.
Drishdey Caullychurn
Founder & CEO, TEXpert AI
Working with Celestify doesn't feel like working with an external team. That's the best way to explain how simple and enjoyable it is to work together.
Ishaaq Shafi
CEO & Founder, Chat University
Paras and his team are absolutely incredible. Super professional, very knowledgeable and product centric. He guided our team of developers and delivered a world class product within a very short timeline.
Agnieszka Dulas
Co-founder, Fritty Club
Working with Celestify was an absolute pleasure! They helped us bring our brand-new website to life on a different backend, and the results have been incredible.
Rini Kamal
Director, Communications, Catalyst Exchange
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