LEOCODE - Your Tech Partner Tech Stack

Custom software and blockchain development for digital transformation

Software Development Katowice, Śląskie 51–200 employees Founded 2008 Privately Held

LEOCODE is a 51–200-person Polish software shop founded in 2008, now heavily investing in AI and Web3 infrastructure. The tech stack reveals a dual strategy: mature web services (Node.js, React, PostgreSQL, Kubernetes) paired with emerging AI tooling (LangChain, LlamaIndex, RAG) and blockchain capabilities (Rust, MQTT for IoT). Active projects span AI-powered tendering and business automation alongside Web3/DeFi integrations, while pain points center on faster delivery, Web3 scaling, and bridging Web2–Web3systems—signaling a pivot from traditional software services toward specialized consulting on emerging stacks.

Tech Stack 83 technologies

Core StackNode.js TypeScript GitHub Copilot Python .NET Rust JavaScript Java React Next.js Kubernetes Helm RabbitMQ PostgreSQL Ansible React Native Redux Git ChatGPT RKE2 Red Hat Enterprise Linux Patroni MQTT Spring Boot REST API Apache Pulsar Capacitor Zustand MobX Fastlane+53 more

AdoptingTerraform RAG LangChain MCP LlamaIndex

What LEOCODE - Your Tech Partner Is Building

◆Challenges

Delivering projects faster and cheaper
Streamlining business processes in web3
Integrating web3 with web2 systems
Winning large tenders
Modernizing legacy frontend
Modernizing technology solution
Scalable production environments
Improving efficiency of web3 applications
Scaling web3 solutions
Simplifying core business flows

▲Active Projects

Building new business line leonity
Ai solutions supporting bid department
Designing web3 solutions for defi and identity
Ai solutions for tender department
Automating business processes with n8n
Mobile apps for nfts, blockchain, web3, crypto wallets, and ml
Frontend migration to react
Microservices architecture redesign
Simplifying core business flows
Integrating web3 solutions with web2 systems

Hiring Activity

Decelerating35 roles · 9 in 30d

Department

Engineering

Sales

Ops

Data

Seniority

Mid

Senior

Manager

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About LEOCODE - Your Tech Partner

LEOCODE delivers custom software, mobile apps, and blockchain solutions to mid-market and enterprise clients across the US and Europe, primarily in fintech, fashion, and Web3 sectors. The company operates a services-led model with engineering-dominant staffing (24 engineers, 6 sales, 3 ops), reflecting a project-based delivery approach. Recent work spans microservices redesigns, AI solutions for business operations (bid and tender automation), Web3/DeFi integrations, and an internal blockchain product line (leonity). They use Agile delivery methods and maintain production infrastructure on Kubernetes and Red Hat Enterprise Linux.

HeadquartersKatowice, Śląskie

Company Size51–200 employees

Founded2008

Hiring MarketsPoland

Frequently Asked Questions

What is LEOCODE's tech stack?

Primary: Node.js, TypeScript, React, PostgreSQL, Kubernetes. Emerging: Python, Rust for blockchain; LangChain, RAG, LlamaIndex for AI; Terraform for infrastructure. Also uses GitHub Copilot, ChatGPT, RabbitMQ, Spring Boot, React Native.

What is LEOCODE working on?

Web3/DeFi solutions, AI-powered tendering and bid automation, mobile blockchain apps, microservices architecture redesigns, React frontend modernization, n8n process automation, and a new product line (leonity).