51kaifa.app’s core team of 40 from Coinbase, Binance, OKX, OpenAI, Google and DeepMind, covering chains, contract security, AI models and full-stack engineering. Remote senior-engineer model with no sales layer — about 30% below overseas rates.
TEAM
Team: Core Engineers from Coinbase, Binance, OpenAI
Remote senior engineers, no sales or middlemen.
Our Team
Core Team
40 core members across the US and Europe, all with hands-on experience at top-tier tech companies
(pseudonyms and cartoon avatars for privacy/non-compete reasons — real faces on video due diligence calls)
01
Architecture & Backend
5 engineers
System architecture, high-concurrency matching, trading systems and cloud cost trade-offs — what decides whether your product survives real traffic.
Alex K.
Tech Partner / Architect
Ex-Coinbase Senior Backend Engineer, 8 yrs exchange-grade systems
🇺🇸 San Francisco, US
GoSystem Design
Kenji S.
Backend Architect
Ex-Google backend, high-concurrency systems
🇯🇵 Japan · Tokyo
GoKubernetes
Ivan D.
Trading Systems Engineer
Ex-Binance matching engine, low latency
🇸🇬 Singapore
C++Low Latency
Ahmed S.
Solutions Architect
Ex-Google solutions architect, cost vs availability
🇦🇪 UAE · Dubai
AWSArchitecture
Emma L.
Full-Stack Lead
Ex-Google Software Engineer, frontend performance & tooling
🇬🇧 Manchester, UK
DevSecOpsAudits
02
Smart Contracts & Protocols
5 engineers
Solidity contracts, DeFi rates and liquidation models, L2/rollups, mainnet launches — the core of every on-chain delivery.
Daniel R.
Smart Contract Lead
Ex-Uniswap Labs Protocol Engineer, Solidity security expert
🇩🇪 Berlin, Germany
SoliditySecurity
Marcus T.
Smart Contract Lead
Ex-Consensys, 7 years of Solidity
🇺🇸 USA · New York
SolidityFoundry
Omar H.
DeFi Protocol Engineer
Ex-Aave contributor, rates & liquidation
🇦🇪 UAE · Dubai
SolidityDeFi
Lucas B.
L2 / Infrastructure Lead
Ex-ConsenSys Protocol Engineer, rollups & cross-chain
🇫🇷 Paris, France
RustCryptography
Lucas G.
Protocol Engineer
Ex-Polygon Labs protocol engineer, Cosmos SDK & Substrate
🇨🇦 Canada · Toronto
RustCosmos
03
AI & LLMs
8 engineers
Fine-tuning, RAG retrieval, computer vision, voice AI and AI product — the full path from model to a product people use.
Sarah M.
Head of AI
Ex-OpenAI Applied Engineer, LLM apps & agent architecture
🇺🇸 New York, US
LLM OpsRAG
Hannah S.
AI Product Lead
Ex-OpenAI product, LLM application PM
🇺🇸 USA · Boston
LLM ProductUX
Ethan P.
ML Engineer
Ex-DeepMind Researcher, model training & fine-tuning
🇬🇧 London, UK
PyTorchFine-tuning
Priya R.
AI Engineer
Ex-DeepMind research engineer, RL
🇬🇧 UK · London
PyTorchRL
Chloe B.
LLM Fine-tuning Engineer
Ex-Hugging Face, LoRA / QLoRA in production
🇫🇷 France · Paris
LoRAQLoRA
Yuna K.
RAG Engineer
Ex-Google retrieval engineer, vector search & citation
🇰🇷 South Korea · Seoul
RAGVector DB
Victor C.
CV Engineer
Ex-NVIDIA CV engineer, detection & segmentation
🇪🇸 Spain · Barcelona
CVONNX
Sophie L.
Voice AI Engineer
Ex-Google voice AI engineer, multilingual TTS/ASR
🇨🇦 Canada · Vancouver
TTSASR
04
Frontend, Mobile & Design
8 engineers
Web, iOS/Android, game clients and product design — the part your users actually see and touch.
Liam D.
Frontend Lead
Ex-Kraken frontend engineer, payment-grade UX polish
🇳🇱 Amsterdam, Netherlands
FlutterRust
Elena V.
Frontend Lead
Ex-Uniswap frontend, wallet UX specialist
🇳🇱 Netherlands · Amsterdam
ReactWagmi
Rafael M.
Mobile Lead
Ex-Coinbase mobile, iOS + Android
🇧🇷 Brazil · São Paulo
SwiftKotlin
Jonas W.
Full-stack Engineer
Ex-OKX full-stack engineer, trading & payments
🇩🇪 Germany · Munich
TypeScriptNode
Felix B.
Game Developer
Ex-Sky Mavis game developer, Unity + on-chain assets
🇦🇺 Australia · Sydney
UnityC#
Mia S.
Head of Product Design
Ex-Google product designer, led redesigns for 10M+ user products
🇸🇪 Stockholm, Sweden
ReactThree.js
Nina P.
Product Designer
Ex-Anthropic product designer, B2B design systems
🇺🇸 USA · Seattle
FigmaDesign System
Lena T.
UX Designer
Ex-OpenAI UX designer, complex B2B flows
🇳🇱 Netherlands · Rotterdam
UXPrototype
05
Security & QA
5 engineers
Contract audits, pentesting, automation and coverage gates — the last two gates before delivery, no line skipped.
Sophia W.
Security Audit Lead
Ex-OKX security researcher, contract vulnerability hunter
🇺🇸 Washington DC, US
Data EngVector DB
Daniel F.
Contract Auditor
Ex-Binance security audit, 200+ contract audit reports delivered
🇩🇪 Germany · Berlin
SecurityFuzzing
Andre O.
Security Engineering
Ex-Binance security engineering, pentesting + monitoring
🇵🇹 Portugal · Lisbon
PentestMonitoring
Mei L.
QA Lead
Ex-Coinbase QA, automation + coverage gates
🇭🇰 Hong Kong, China
PlaywrightCI
Marco B.
Test Engineer
Ex-Uniswap test engineer, contract fuzzing & invariants
🇮🇹 Italy · Milan
FuzzingFoundry
06
Data, Ops & Delivery
9 engineers
On-chain analytics, growth, cloud ops, compliance and project management — keeping things stable and growing after launch.
Noah F.
Data Engineer
Ex-Google data platform engineer, real-time data pipelines
🇺🇸 Austin, US
ZKCircuits
Aisha K.
On-chain Data Analyst
Ex-Kalshi data scientist, on-chain modeling & retention
🇸🇬 Singapore
SQLDune
Grace Y.
Growth & Community
Ex-OKX growth lead, 0 to 1M users
🇸🇬 Singapore
GrowthCommunity
Oliver T.
DevOps / SRE
Ex-Microsoft cloud architect, HA clusters & cost optimization
🇮🇪 Dublin, Ireland
KubernetesAWS
Tomas N.
DevOps
Ex-Microsoft cloud ops, multi-cloud delivery
🇵🇱 Poland · Warsaw
TerraformCI/CD
Nadia M.
RWA & Compliance
Ex-Coinbase compliance tech, KYC & whitelisting
🇺🇸 USA · Chicago
KYCRWA
Ava N.
Project / Delivery Manager
Ex-Coinbase delivery manager, cross-timezone collaboration veteran
🇱🇹 Vilnius, Lithuania
Node.jsTypeScript
Sara A.
Project Manager
Ex-Binance project manager, 12 years software delivery
🇬🇧 UK · Manchester
PMPAgile
Julia R.
Technical Writer
Ex-Consensys docs, API & delivery docs
🇮🇪 Ireland · Dublin
DocsAPI
Plus 60+ contracted remote engineers across US/EU available per project · coverage from US-East to Europe to Asia, 7×16h response
Stack & Ecosystem
The stack we use every day
We can publish fixed prices for 50 items because we work in these stacks daily — no learning on your dime
EthereumSolanaBNB ChainPolygonArbitrumBaseTONCosmos SDKSubstrateSolidityRustGoTypeScriptReactNext.jsNode.jsPythonPyTorchLangChainOpenAIAnthropicDeepSeekQwenDockerKubernetesAWSThe GraphIPFSPostgreSQLRedis
Audit & Security
Internal pre-audit before handover, and we can coordinate formal reports from third-party firms such as CertiK, SlowMist or Hacken
Listings & Liquidity
We walk with you through issuance day and listing: market-maker intros, exchange application materials, tokenomics and vesting schedules
Cloud & Infra
AWS / GCP clusters, RPC nodes, Alchemy and Infura fallbacks, monitoring and alerting — shipped with ops documentation
CertiKSlowMistHackenBinanceOKXBybitCoinbaseChainlinkAlchemyInfuraAWSGoogle Cloud
These are commonly used channels in the delivery chain, not exclusive partnerships; specifics depend on the project
Brand Film
What we do, in 17 seconds
Idea to launch: scoping → prototype → build → handover, all closed in one team
Got an idea? Talk 30 min first
Free scoping call · Written quote in 48h · No charge if not satisfied
