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Counterweight Scales Health Platform and Cuts Costs with epicX

3

Resources aligned

Industry

Healthcare Technology

Headquarters

United Kingdom

Company Overview

Counterweight is a digital health company that delivers evidence-based weight loss and type 2 diabetes remission programs. Their clinically-backed approach combines nutritional meal replacements with expert behavioral support to help users sustainably reverse chronic health conditions.

As user demand grew, Counterweight’s digital platform began to break down. With a microservices-heavy setup, excessive AWS costs, and bloated custom features, the infrastructure became expensive, fragile, and unable to scale. To fulfill their mission, they needed a leaner, more reliable digital foundation.

The Challenge

Counterweight’s platform had several challenges stalling its ability to scale and serve more patients effectively

Over-Engineered Architecture

A microservices setup inflated AWS costs to over $1,000/month for just 70 users.

Inefficient Cloud Resource Management

Poor AWS configuration drained resources and added operational overhead.

Custom Overload

Too many bespoke tools created technical debt and slowed delivery.

Unclear Requirements

Development priorities weren’t aligned with real business goals.

Complex Chat Implementation

GraphQL-based chat features added unnecessary complexity.

Poor Code Quality

Unstructured code and a lack of documentation made onboarding and scaling difficult.

"We were working with a fragile and expensive platform. The dedicated developers from epicX came in, understood the root issues quickly, and rebuilt the system in a way that just worked. Costs dropped, performance improved, and the product became something we could finally scale."

Naomi Brosnahan

- CEO, Counterweight

Why epicX?

Counterweight brought in epicX to overhaul their platform based on three clear priorities: cost reduction, stability, and scalability. epicX delivered across the board.

System Rewrite

We replaced the complex microservices architecture with a lean monolithic setup, cutting engineering overhead and simplifying updates.

Open-Source Adoption

Integrated proven tools like Stream for chat and Sanity CMS to speed up development while reducing code bloat.

Cloud Optimization

Redesigned AWS usage and eliminated redundant services to dramatically lower monthly spend.

Dedicated Developers

We deployed 3 full-stack engineers with deep experience in AWS, backend scalability, and system architecture, fully aligned with Counterweight’s goals.

Strategic Alignment

epicX worked directly with their product and leadership team to ensure every sprint delivered real business value.

"They brought deep technical thinking and were great at communicating solutions that worked for our users and the business. It was clear they cared about the outcomes, not just the code."

Impact

By simplifying Counterweight’s architecture and optimizing AWS usage, we helped cut infrastructure costs by 70 percent while enabling the platform to support 35,000 users without downtime.

Our technical restructuring allowed the team to launch faster, onboard developers with ease, and maintain compliance as the company prepared to scale even further.

Key Benefits

  • 70% AWS Cost Reduction

    Monthly infrastructure spend dropped from $1,000 to $100 while improving speed and stability.

  • 35,000+ Users Supported

    The new platform now serves tens of thousands without added cost or performance issues.

  • Full Rebuild in 6 Months

    From code audit to launch, the entire transformation was delivered in half a year.

  • Security & Compliance

    New system passed ISO, DTAC, Cyber Essentials, and ISO/IEC 27001 audits with zero blockers.

"epicX really felt like an extension of our internal team. They helped us cut through the complexity and brought structure to our tech stack. Working with them gave us confidence to scale while keeping everything stable and compliant."

Naomi Brosnahan's Picture

Naomi Brosnahan

CEO, Counterweight

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8/13/2025Fintech

Stripe's 'Tempo' & Chainlink's Rise: Is Your Fintech Backend Ready for the Next Wave of Web3?

Remember when Web3 was a moonshot? Today, it’s a boardroom agenda item. If you’re a CTO or founder in fintech, the last twelve months have changed more than just the headlines; they’ve redrawn the roadmap for backend architecture, staffing, and product velocity.

Stripe’s Tempo blockchain and Chainlink’s surge aren’t just signals; they’re sirens. The gap between “traditional fintech” and Web3 isn’t just narrowing, it’s vanishing.

Here’s the truth: what was once considered experimental or niche, on-chain payments, decentralized data, and compliance-by-code, is now shaping your roadmap.

For many, this shift brings as much anxiety as excitement. Engaging expert fintech software development services and building agile fintech teams can provide the competitive edge needed to navigate this transition.

Are you architecting for Web3 today, or letting legacy thinking hold you back? The next wave is here. Startups that wait risk falling behind.

Stripe’s Tempo & Chainlink: Powering the Next Generation of Fintech Backends

Stripe’s Tempo: A Layer 1 Built for Payments Velocity

Stripe is no stranger to moving fast, but its latest play, Tempo, a high-performance Layer 1 blockchain, might be its boldest yet. Designed for payments at scale, Tempo is EVM-compatible and led by Matt Huang, a heavyweight from Paradigm.

This is not a half-measure. Stripe’s acquisitions and the stealth build of Tempo signal an intent to own the full tech stack, from stablecoin rails to crypto wallets.

For Ethereum developers, that means leveraging familiar smart contract tools but at Stripe’s velocity. The implications are clear: fintechs must now consider how new networks like Tempo can fit seamlessly into their existing architectures without compromising speed or reliability.

Chainlink’s Data Oracles: Bridging Institutional Trust On-Chain

Meanwhile, Chainlink is quietly becoming the connective tissue between legacy markets and DeFi innovation. Its decentralized oracles aren’t just about crypto price feeds anymore; they’re pulling institutional-grade data, thanks to partnerships with giants like ICE.

Picture this: FX rates and precious metals pricing flowing on-chain, powering hybrid products that blend the credibility of TradFi with the transparency of Web3.

No wonder Chainlink’s LINK token surged approximately 42% in a week after the news. The market is paying attention for good reason. The ability to access trusted, real-time off-chain data is no longer a luxury; it’s foundational to building competitive fintech products that combine traditional and blockchain-based data sources.

For startups aiming to stay at the forefront, leveraging fintech software development services that can integrate Chainlink’s oracles efficiently into your backend is critical.

Skilled fintech software development teams help you tap into these real-time data feeds with security and scalability, ensuring your product meets growing customer expectations.

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What Startups Can Learn from These Moves

  • These aren’t side projects. Stripe and Chainlink are building the backbone for the next generation of fintech infrastructure.
  • Tempo’s EVM compatibility and Chainlink’s institutional data feeds are setting new standards for interoperability, speed, and trust.
  • Startups can’t afford to treat blockchain as an “add-on.” It’s part of the core now.

For years, I watched fintechs hesitate on Web3. With Stripe and Chainlink leading, that hesitation is no longer safe. What happens to your product if your competitors can settle payments instantly on-chain or access global price feeds in real-time?

Of course, copying Stripe’s or Chainlink’s playbook isn’t a silver bullet. Not all protocols or integrations are created equal. But ignoring these shifts?

That’s a risk you simply can’t afford. The startups that will win are those that adapt quickly and integrate these new rails into their tech stack, rather than playing catch-up.

Architectural Shifts: Building a Web3-Ready Fintech Backend with Custom Software Development

Modular Design & EVM Compatibility

Modern fintech backends are evolving. The old monolithic models are giving way to modular architectures, where blockchain logic is decoupled from legacy business systems.

Why does this matter? Because modularity lets you swap or upgrade your blockchain components without rewriting the entire app. This shift isn’t just theoretical; it’s already standard practice for fintechs operating at startup speed.

Stripe’s Tempo and Ethereum’s own evolution prove this point: protocol upgrades, account abstraction, new features, all integrated without breaking what came before (see how Ethereum pulled it off).

For CTOs, this means future-proofing your architecture so you can pivot as the ecosystem evolves, not just react after the fact.

Oracle Integration and Real-Time Data

Decentralized oracles have moved from “nice-to-have” to “must-have.” For example, fintech startups leveraging real-time oracles have reduced settlement times from days to minutes, fundamentally transforming product offerings and customer expectations.

Chainlink’s oracles are powering not just DeFi, but real-world financial products, enabling hybrid use cases that weren’t possible just a few years ago. Plugging into these data streams safely and scalably is now a baseline requirement, not an edge case.

The competitive edge now lies in how quickly teams can integrate and react to new data, not just in building novel protocols.

Security, Compliance, and Scalability in Hybrid Systems

Here’s where things get messy: integrating on-chain logic with traditional finance means juggling heightened security, complex compliance, and unpredictable scalability challenges.

While seamless integration is the goal, achieving it is rarely straightforward, especially when bridging compliance and on-chain logic. We’ve seen startups stall for months trying to retrofit legacy codebases to new protocols.

One common pitfall is underestimating the complexity of merging on-chain and off-chain compliance controls, which often results in unexpected delays and increased technical debt.

Achieving true scalability and compliance requires not just technical expertise, but a deep understanding of regulatory frameworks and a proactive approach to risk management.

It’s tempting to gloss over the technical debt and regulatory headaches that come with this transition. But let’s be honest: these are the friction points that separate the survivors from the casualties.

Startups that address these head-on, with the right people and processes, set themselves up to move faster when the market demands it.

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The Human Factor: Why Protocol Fluency and Startup Context Are Both Essential

The Velocity Gap, Why Context Matters

It’s one thing to find resources who “know blockchain.” It’s another to find those who thrive in the ambiguity and relentless pace of a startup.

The shortage of experienced blockchain protocol engineers who also understand fintech’s regulatory and business context is real, and growing.

Fintechs face a shortage of experienced blockchain protocol engineers, particularly those who understand both blockchain technology and financial regulations.

Fintech startups must prioritize hiring engineers with both protocol expertise and a proven track record in regulated environments to avoid costly missteps during product launches.

The difference between success and failure often comes down to how well your team can navigate both technical and compliance demands at startup speed.

This is where epicX’s fintech software development services become vital, providing pre-vetted resources who blend technical mastery with deep domain knowledge.

Startup-Ready Engineers: Beyond Technical Skill

I’ve worked with founders who lost months (and plenty of sleep) to contractors who just didn’t get the pace. The cost isn’t just money, it’s lost market share.

Traditional outsourcing models, built for slow-moving enterprises, simply don’t translate. Between misaligned incentives, process bloat, and lack of product accountability, these arrangements drain focus and create existential risk for startups.

The right engineering partner or staff augmentation provider acts as your velocity partner from day one, understands your product, and operates as a true co-builder.

This is why epicX provides fintech software development teams with cultural fit, time zone overlap, and hands-on collaboration as standard. When your next release is mission-critical, you need resources who’ve delivered under real startup pressure, not just anyone with protocol knowledge.

Building Teams for Ownership and Agility

Resources who can navigate both the protocol landscape and the startup grind are rare.

In our experience, the solution isn’t just more resumes, it’s a higher standard of vetting and a clear focus on ownership-driven teams. I’ve seen teams double their velocity by simply removing the friction of misaligned hires and legacy processes.

Ownership-driven teams not only accelerate delivery but also proactively identify and resolve issues before they become bottlenecks, a critical advantage in fast-moving fintech markets.

Building a culture of ownership and agility is the foundation for enduring success in the Web3 era.

Action Plan: Future-Proofing Your Fintech Backend and Engineering Team

Immediate Steps for CTOs and Founders

  • Audit your current backend. Is it modular? EVM compatible? Ready for real-time Oracle data?
  • Identify the technical debt and compliance risks lurking in your architecture.
  • Set up a risk-free trial for new engineering talent so you can build with the right team, not just the right codebase.

Vetting for Web3-Readiness and Startup Agility

  • Don’t just test for protocol fluency. Vet for ownership, communication, startup experience, and ability to integrate fast.
  • Look for teams that offer founder-led engagement or even fractional CTO support if you’re missing in-house expertise.
  • Fractional CTO support and risk-free trial periods are now available for startups needing both strategic and tactical guidance.

Ongoing Adaptation, Building for Change

  • Build a product culture that expects continual change; standards, protocols, and compliance requirements will keep shifting.
  • Leverage modular, adaptable architectures so you can integrate new data sources and protocols with minimal downtime.
  • Startups using modular, adaptable architectures are able to integrate new data sources and protocols with minimal downtime.

What’s your next step? Is your backend ready for Stripe’s Tempo, for on-chain data, and for the next market shock?

With epicX, you can secure pre-vetted fintech software developers in as little as 48 hours, ensuring your team is both Web3-ready and startup-strong.

If you are scaling a blockchain product or modernizing your fintech stack, you might want to consider a discovery call to discuss your hiring goals, or you can view their case studies and see how the team at epicX has helped growth-stage startups accelerate product delivery.

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FAQ

What is Stripe Tempo and why does it matter for fintech backend architecture?

Stripe Tempo is a new high-performance Layer 1 blockchain, designed for payments and stablecoin infrastructure, and is compatible with Ethereum smart contracts. Its launch signals that blockchain protocols are becoming foundational to modern fintech backends. CTOs and founders need to ensure their systems are modular, EVM-compatible, and ready for on-chain integrations.

How does Chainlink’s rise affect fintech startups?

Chainlink provides decentralized oracles that bring real-world and institutional data (e.g., FX rates, metals pricing) on-chain. This enables fintech startups to build hybrid products that leverage both traditional and Web3 data. Secure, real-time data feeds are now essential for competitive fintech innovation.

Why is hiring startup-ready, protocol-fluent engineers so difficult?

Many engineers have technical blockchain skills but lack experience operating in high-velocity, ambiguous startup environments. The ability to integrate quickly, take ownership, and align with startup priorities is as critical as protocol knowledge. epicX addresses this by pre-vetting for both technical and cultural fit. See how it works.

What are the best practices for architecting a Web3-ready fintech backend?

Best practices include modular backend design, EVM compatibility, integrated decentralized oracles, secure wallet infrastructure, and scalability through Layer 2 or high-performance chains, often achieved through custom software development tailored for fintech needs. Compliance automation and API-first approaches are also recommended.

How can non-technical founders or small teams access strategic tech guidance?

Fractional CTO support allows startups to access architectural and product strategy expertise and tap into top startup tech talent without full-time hires. epicX offers this as part of its model, ensuring delivery oversight and long-term product focus. Get started here.

How fast can EpicX provide fintech software developers?

epicX can match you with pre-vetted fintech software developers in as little as 48 hours. These resources are not just technically proficient, they’re startup-ready, culturally aligned, and experienced in regulated fintech environments. Our process ensures you can scale without losing time to lengthy recruitment cycles or mismatched hires.

What makes EpicX’s finech software development teams different from traditional outsourcing?

Traditional outsourcing often leads to misaligned incentives, process bloat, and slow delivery. epicX’s fintech software development teams integrate directly into your workflows, operate in your time zone, and take ownership from day one. This founder-friendly, staff augmentation model ensures you maintain velocity while tapping into the top 5% of global engineering talent.

What if I am not satisfied with the quality of the developer?

epicX offers a 2-week risk-free trial so you can evaluate the developer’s fit without pressure. If you are not fully satisfied, we arrange a quick replacement at no extra cost, ensuring your project stays on track.

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