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New projects
A paragraph about the problem is enough to start. We reply within two working days, usually with questions rather than a quote.
Services One engineering team. Four practices.
Strategy, product engineering and infrastructure under one roof. Pick the practice, then the specific service — each page states what is included, how it is delivered and the questions people ask first.
AI
Agents that do real work, with an evaluation suite that proves it before a customer sees it.
- Retrieval over your own data, with citations and permissions intact
- Tool access through MCP servers with scoped OAuth and audit trails
- Regression suites and traces so behaviour is measured, not assumed
- AI agent developmentProduction AI agents built with scoped tool access, state that survives a retry, an evaluation suite from your real inputs, and a cost ceiling per run.
- RAG & retrieval systemsRetrieval-augmented generation that respects source permissions, cites what it used, and says so instead of guessing when the index has no answer.
- MCP server developmentModel Context Protocol servers that give AI agents scoped, audited access to your systems: OAuth scopes per tool, rate limits, and a log of every call.
- LLM evaluation & observabilityEvaluation suites built from your real inputs, a trace for every run, drift alerts and cost ceilings, so an AI feature is measured rather than assumed.
- AI & LLM security reviewAn adversarial review of AI agents and LLM features: prompt-injection testing, tool permission boundaries, data leakage paths, and a written report with fixes.
- Generative AI & chatbotsChatbots and generative AI features grounded in your own data, connected to your systems, measured with evaluations and kept inside a cost budget.
- AI consulting & strategyAI consulting from engineers: find the use cases worth building, check your data and systems are ready, decide build or buy, and leave with a costed roadmap.
- AI workflow automationAutomate the repetitive work between your systems with AI: triage, data entry, summaries and approvals, with people kept in the loop where it matters.
- Document processing (IDP)Extract data from invoices, contracts, forms and IDs with AI: OCR plus language models, checks against your rules, and human review when confidence is low.
- Voice AI agentsVoice AI agents that answer and make calls: speech recognition, natural replies, actions in your systems, handover to people, and compliance built in.
- Multi-agent systemsMulti-agent AI systems with clear roles, durable state, safe hand-offs and evaluation — built like the distributed systems they are.
- LLM fine-tuningFine-tune language models when prompting and RAG fall short: data preparation, training on open or hosted models, evaluation and deployment.
- AI integrationAdd AI to the software you already run — CRM, ERP, support desk or your own product — inside its permissions, data boundaries and release process.
- AI copilotsCustom AI copilots for sales, support, operations or your product: grounded in your data, able to take approved actions, and measured in real use.
Blockchain
Protocol and contract work where the review matters more than the deploy.
- Solidity and Rust contracts with invariants written down before the code
- Foundry test suites a non-author can read, plus fuzzing and coverage
- Node and indexing infrastructure you can actually operate
- Smart contract developmentSolidity and Rust smart contracts with invariants written before the code, readable Foundry tests, fuzzing, and admin keys under multisig and timelock.
- Smart contract security reviewA line-by-line adversarial review of Solidity and Rust contracts by two independent reviewers, with a ranked findings report, fixes, and a re-review included.
- Asset tokenizationTokenization for funds and regulated assets: permissioned tokens, investor allow-lists, forced transfer for lost keys, and register reconciliation.
- Crypto exchange developmentCEX and DEX development: matching engine, wallets and custody, KYC and AML, liquidity, admin tools, and a security review before launch.
- Token developmentToken development from tokenomics review to audited contracts: ERC-20 and other standards, vesting and treasury contracts, multisig control and a safe launch.
- Stablecoin & payment railsStablecoin issuance and payment rails: mint and burn controls, reserve reporting, compliance checks, settlement and treasury flows a finance team can follow.
- CEX developmentCEX development: a matching engine, hot and cold wallets, deposits and withdrawals, KYC and AML, proof of reserves and admin tools, reviewed before launch.
- DEX developmentDEX development: AMM and order-book designs, concentrated liquidity, perpetuals, aggregator routing, MEV protection and audited smart contracts.
- Cross-chain bridgesCross-chain bridges built for security: lock-and-mint or burn-and-mint designs, verification you can reason about, rate limits, pause controls and monitoring.
- Staking platformsStaking platforms: token staking contracts, native and liquid staking, reward accounting, unbonding and slashing handled clearly, with audited contracts.
- Token launchpadsLaunchpad platforms for token sales: sale contracts, allow-lists and KYC, vesting and claims, liquidity locking and anti-bot protection.
- Rollups & appchainsLayer-2 rollups and appchains on OP Stack, Arbitrum Orbit, ZK Stack or Polygon CDK: sequencer, data availability, bridge, explorer and operations.
- DeFi developmentDeFi development: lending markets, ERC-4626 vaults and yield strategies, oracles and liquidations, with invariant testing and audits before launch.
- Blockchain consultingIndependent advice before you build: whether a blockchain is the right tool, which chain, how to handle keys, upgrades and audits, and what it will cost.
- Solana developmentSolana programs in Rust with Anchor: account and PDA design, SPL tokens and Token-2022 extensions, tests against a local validator, and a security review.
Web3
The unglamorous layer that decides whether anyone actually uses it.
- Passkey sign-in and smart accounts under ERC-4337
- Sponsored gas, session keys, and a recovery path that works
- Fiat ramps and compliance flows that clear a real review
- Account abstraction & smart walletsERC-4337 smart accounts with passkey sign-in, sponsored gas, session keys and tested recovery, so users never see a seed phrase or a gas prompt.
- Crypto wallet developmentCustodial, non-custodial and smart wallets with passkey sign-in, MPC or multisig security, multi-chain support, swaps and recovery that works.
- Chain abstractionChain abstraction: unified balances, cross-chain intents (ERC-7683), smart accounts and gas sponsorship, so users act on any chain without bridging.
- NFT marketplace developmentNFT marketplaces and minting platforms: ERC-721 and ERC-1155 contracts, listings and auctions, royalties, metadata storage and fiat checkout.
- DAO developmentDAO development: governance tokens and voting, Governor contracts with timelocks, Snapshot voting, Safe treasuries, delegation and proposal tooling.
- Crypto payment gatewaysCrypto payment gateways for merchants and platforms: stablecoin checkout, payment links, confirmations, webhooks, refunds, settlement and accounting exports.
Web2
The platform underneath all of it — APIs, queues, dashboards, reliability.
- TypeScript and Go services with typed contracts end to end
- Postgres schemas, queues and jobs built for the load you actually have
- AWS infrastructure as code, with the dashboards to run it
- SaaS platform developmentMulti-tenant SaaS platforms built to pass an enterprise security review: tenant isolation, SSO and SCIM, audit logs, billing and infrastructure as code.
- Legacy modernizationModernize a legacy system without a big-bang rewrite: a written assessment first, then incremental migration with the old path live and a tested rollback.
- Cloud infrastructure & DevOpsAWS infrastructure as code, CI/CD pipelines, observability and on-call runbooks, built so your own team can operate the platform after we leave.
- LMS & e-learning developmentCustom learning management systems: course authoring, cohorts and live classes, assessments, progress tracking, certificates and admin reporting.
- HRMS & attendance softwareCustom HRMS and attendance software: mobile check-in, shifts, leave, payroll integration and employee self-service — or our own product, Vayro HR.
- Custom web application developmentCustom web applications in React, TypeScript and Node.js: internal tools, customer portals and dashboards, with tests, access control and a clean handover.
- Mobile app developmentiOS and Android apps in React Native or native code: offline-first data, push notifications, secure sign-in, store submission and the backend behind them.
- MVP developmentA first version built to answer one question: scoped to what proves the idea, shipped to real users, on a codebase you can keep building on afterwards.
- UI/UX designProduct design by people who sit with the engineers: user flows, clickable prototypes, a design system in code, and accessibility checked as it is built.
- Data engineering & analyticsData pipelines, a warehouse and dashboards people trust: tested transformations, agreed metric definitions, data quality alerts and clean inputs for AI.
- Software maintenance & supportA named team that keeps your software running: monitoring, security patches, dependency upgrades, bug fixes and small features, with an agreed response time.
- Dedicated development teamSenior AI, blockchain and full-stack engineers working in your repository and your planning cadence, as a team with a lead. Monthly, from one quarter.
Security reviews
Adversarial reviews by two independent reviewers, a written report, and a re-review after your fixes — for contracts, AI systems and platforms.
How we approach security →- Smart contract security reviewA line-by-line adversarial review of Solidity and Rust contracts by two independent reviewers, with a ranked findings report, fixes, and a re-review included.
- AI & LLM security reviewAn adversarial review of AI agents and LLM features: prompt-injection testing, tool permission boundaries, data leakage paths, and a written report with fixes.
By industry: Fintech & Payments, Digital Assets, Enterprise SaaS, Health & Public, Education & e-learning.
Next: five ways to engage, how pricing works, or common questions.
06 / Let’s build
Bring us the difficult problem.
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Careers
Engineers, designers and researchers who like systems that are hard to get right. Send something you built and what you would change about it now.
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Studio
Based in India and working remotely, with overlap hours agreed up front so your team always has a time to reach us.
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Read
Guides on AI agents, RAG, MCP, tokenization and chain abstraction, written by the engineers who build them.