Job Description

Location: Brazil (with 3-month training in Thailand)
Type: Full-time Onsite
Industry: Blockchain - Gaming
About the Role
Our client a global company specializing in Blockchain, Fintech, and Gaming platforms is looking for a Technical Lead to architect and lead high-scale product development.
You will work closely with the Product Manager, engineering teams across countries, and strategic partners such as KYC providers and payment gateways.
This is an international assignment:
- 3 months training in Thailand 1 year onsite in Brazil
- All relocation and visa costs fully covered by the company.
Key Responsibilities
1. Architecture & System Design

• Translate business requirements into clear, scalable technical specs.
• Design and review system architecture for web & mobile applications.
• Lead integration with external partners (KYC, payment gateways, service providers).

2. Technical Leadership
Lead development using:

• Backend: Go (Fiber), Java, Node.js (Kraken/Express), Nginx
• Messaging: Socket.io, MQTT, NATS, Redis Pub/Sub
• Databases: PostgreSQL, CockroachDB, MongoDB, Redis
• Real-time: WebSocket / Socket.io
• Monitoring: Prometheus, Grafana, ELK, Sentry
• Cloud & Deploy: Docker, Kubernetes (EKS/GKE), AWS, Azure

3. Front-End Collaboration
Work with the FE team on:

• Next.js (React 18)
• Zustand / Redux Toolkit
• React Query / SWR
• Authentication with NextAuth.js, OAuth2, JWT, Keycloak

4. Team Management

• Coordinate onshore/offshore/outsource engineering teams.
• Mentor engineers and promote strong engineering culture.
• Manage technical risks, troubleshoot complex system issues.

5. Vendor Partnership

• Work with external partners and ensure smooth technical integration.
• Evaluate new technologies and recommend architecture improvements.

Requirements

• Minimum 7+ years of software development experience, specializing in Golang or Java.
• Minimum 2+ years in a technical leadership role.
• Strong architecture, system design, and cloud experience.
• Experience integrating KYC providers, payment gateways, or similar services.
• Ability to work on multi-country product environments.
• Excellent communication skills.
• Language requirement: English is mandatory.
• Additional Vietnamese or another language is a plus.

Benefits

• Salary up to USD 5,000/month (after tax)
• Housing support: USD 500/month
• Living cost support: USD 800/month
• Flight ticket to home country: USD 1,200/year
• All working devices provided by the company
• Family sponsorship available after 6 months of employment
• Year-end & Performance Bonus: Up to 4 months of salary
• All visa & relocation costs fully covered

Hiring Process
1. HR Culture & Motivation Interview (30 mins)
2. Technical Interview (90 mins)
3. Background Verification (5 days)
4. Offer Release (within 2 days)

Skills Required