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Solution Architect (Smart Contract, Thought Machine Vault)

Solution Architect (Smart Contract, Thought Machine Vault)

Custom Field 1:  Backend Development
Custom Field 3:  Backend Development
Country/Region:  VN
Date:  Dec 12, 2025
Location: 

Ho Chi Minh City, VN, 700000 Hanoi, VN, 10000

Working place:  Hybrid

Role Summary 
We are seeking a highly skilled Solution Architect – Smart Contract to lead the architecture, design, and delivery of next-generation digital banking solutions built on Thought Machine Vault. This role combines deep hands-on expertise in Smart Contract engineering with end-to-end solution architecture responsibilities, ensuring scalability, compliance, and high-quality delivery across complex financial product implementations. 

 

You will work closely with client stakeholders, Product Owners, Business Analysts, and Technical Leads to shape product logic, steer architectural decisions, and govern the overall technical integrity of smart contract solutions within large digital banking transformations. 

 

Key Responsibilities 

Architecture & Solution Design 

  • Define and own the end-to-end architecture for Smart Contract solutions on Vault, including product lifecycle design, posting instructions, hooks, and version upgrade strategy

  • Translate business requirements into scalable, maintainable financial product architectures

  • Ensure designs comply with banking standards, accounting rules (double-entry), and Vault’s architectural constraints

  • Govern API interactions, data models, schedules, workflows, and integration points across the digital banking ecosystem

  • Drive and facilitate architecture reviews, technical decision records, and risk assessments

 

Technical Leadership & Governance 

  • Provide architectural oversight for multiple Smart Contract development teams; ensure consistency in design, code quality, and best practices. 

  • Mentor Technical Leads and Developers on Vault smart contract patterns, testing frameworks, and release governance. 

  • Define coding standards, testing strategies (unit/integration/E2E), and CI/CD structure for Smart Contract deliveries. 

  • Oversee defect triage, production issue investigation, and root-cause analysis for posting failures, schedule conflicts, and financial calculation discrepancies. 

 

Client Engagement & Stakeholder Management 

  • Act as the technical authority in all Smart Contract discussions with clients and senior stakeholders. 

  • Conduct solution workshops to clarify product logic, workflows, schedule design, fees, interest, and accounting postings. 

  • Explain architectural trade-offs and guide clients toward scalable, compliant, and future-ready product designs. 

  • Collaborate closely with Product Owners, BAs, and Delivery Managers to align expectations and delivery priorities. 

 

Solution Delivery 

  • Partner with DevOps, QA, Infrastructure, and Security teams to ensure seamless deployment and release governance. 

  • Oversee smart contract versioning, migration plans, schedule evolution, and feature upgrade paths. 

  • Ensure observability, monitoring, and debugging practices are in place for all environments. 

  • Own delivery roadmaps, architecture backlog, sprint planning input, and risk mitigation strategies. 

 

Innovation & Practice Development 

  • Continuously refine best practices for Smart Contract engineering and architecture. 

  • Evaluate emerging Vault features, tooling, and industry trends to drive modernization. 

  • Contribute to GFT’s global Smart Contract knowledge base and upskilling initiatives. 

 

Required Skills & Experience 

  • 12+ years of backend engineering or solution design experience, with strong Python fundamentals. 

  • 2+ years of hands-on Smart Contract development on Thought Machine Vault. 

  • Deep knowledge of Vault architecture: posting instructions, hooks, ledgers, workflows, versioning, and schedules. 

  • Proven experience designing complex financial products (e.g., lending, savings, CASA, cards, fees, interest products). 

  • Strong understanding of microservices architecture, CQRS, event-driven systems, and API integrations. 

  • Solid experience in CI/CD, Git branching strategies, automated testing, and DevOps practices. 

  • Excellent client-facing communication: able to simplify complex technical concepts for business stakeholders. 

  • Demonstrated experience leading multi-team delivery in agile environments. 

 

Nice-to-Have 

  • Background in core banking, retail banking, or financial institutions. 

  • Understanding of accounting principles: double-entry bookkeeping, reconciliation, financial events. 

  • Experience with Vault UI, Vault workflow orchestration, or TM certifications. 

  • Familiarity with cloud-native architectures (AWS/Azure/GCP), Docker, Kubernetes, and monitoring tools. 

 

What We Offer 

  • Competitive salary & performance-based bonuses. 

  • Premium healthcare & wellness programs. 

  • Global exposure across large-scale digital banking engagements. 

  • Continuous upskilling in Smart Contract engineering, cloud, and architecture pathways. 

  • A collaborative, innovative, and inclusive engineering culture.

About Us

We show commitment to our investors and stand for solid, long-term growth performance. Founded in Germany in 1987 and in American territory since 2008, GFT expanded globally to over 10,000 experts. And to more than 15 markets to ensure proximity to clients. With new opportunities from Asia to Brazil, the international growth story continues. We are committed to grow tech talents worldwide. Because our team’s strong consulting and development skills across legacy and pioneering technologies, like GreenCoding, underpin success. We maintain a family atmosphere in an inclusive work environment.

There is room for your talent!

Put your talent to work. At GFT, you'll be working with some of the brightest people in business and technology on challenging and rewarding projects in, a team of like-minded individuals.
Feel it. We are #one team collaboratively working towards the same goal.

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