Blockchain Developer

NTT Ltd; Singapore; On-site; SGD 16,000 - 21,000; Full time

Job summary

A global technology and consulting company is seeking a Blockchain Developer to build and maintain core blockchain modules using Go and the Cosmos SDK. The ideal candidate will have over 4 years of experience in backend systems and expertise in creating custom modules for blockchain applications. This position offers opportunities for professional growth and responsibilities include troubleshooting complex issues and maintaining blockchain networks. Candidates should have strong coding skills and a collaborative mindset.

Qualifications

• 4+ years of professional software engineering experience with a focus on backend or distributed systems.
• Expert-level proficiency in Go.
• Demonstrable experience developing and maintaining custom modules for the Cosmos SDK.
• Solid understanding of CometBFT consensus and the Application Blockchain Interface.

Responsibilities

• Build and maintain core blockchain modules in Go using the Cosmos SDK.
• Design and implement custom logic within the ABCI++ interface.
• Configure, launch, and maintain the blockchain network.
• Troubleshoot and resolve complex issues in development and production environments.

Skills

Expert-level proficiency in Go

Good proficiency in RUST

4+ years of professional software engineering experience

Experience in launching Cosmos-based blockchain networks

Solid understanding of CometBFT consensus

Strong backend or distributed systems knowledge

Job description

Location: Hyderabad, India

Req ID: 353806

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a Blockchain Developer to join our team in Hyderabad, Telangana (IN‑TG), India (IN).

NTT DATA Services currently seeks Blockchain Developers to join our team in Bangalore/Hyderabad.

Responsibilities

• Build, Develop, Implement, and maintain core blockchain modules in Go using the Cosmos SDK, including a sophisticated, role‑based token‑factory for native asset issuance.
• Design and implement custom logic within the ABCI++ interface (Prepare‑Proposal/Process‑Proposal) to enable advanced features and optimizations.
• Configure, launch, and maintain our blockchain network, including genesis configuration, validator setup, and consensus parameter tuning.
• Implement and manage cross‑chain functionality using the Inter‑Blockchain Communication (IBC) protocol.
• Write exhaustive Unit, Integration, and End‑to‑End tests to guarantee the security, correctness, and performance of the core protocol.
• Participate in architectural discussions, conduct rigorous code reviews, and contribute to our high standards for technical documentation.
• Troubleshoot and resolve complex issues in our development, test, and production environments.

Qualifications

• 4+ years of professional software engineering experience, with a focus on backend or distributed systems.
• Expert‑level proficiency in Go.
• Demonstrable, hands‑on experience developing and maintaining custom modules for the Cosmos SDK.
• Solid understanding of CometBFT consensus and the Application Blockchain Interface (ABCI/ABCI++).
• Experience in launching or contributing to a Cosmos‑based blockchain network.
• Deeply committed to writing clear, maintainable, and thoroughly tested code.
• 2+ years of experience in cloud adoption of Blockchain applications including GCP (target platforms) or similar Blockchain frameworks.
• Good proficiency in RUST – Ability to understand, dissect and build services.

Desired Experience and Soft Skills

• Experience in development of enterprise‑scale banking applications will be a plus.
• Ability to negotiate, influence, and collaborate to build successful relationships.
• Knowledge and understanding of Information Technology governance risk and compliance processes such as policies, control standards, risk management concepts, or information security.

Location

• Bangalore/Hyderabad, India

About NTT DATA

NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise‑scale AI, cloud, security, connectivity, data centers and application services. Our consulting and industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries and offer clients access to a robust ecosystem of innovation centers and established and start‑up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.

Work arrangement

Whenever possible, we hire locally to NTT DATA offices or sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in‑office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees.

Contact Information

NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form at https://us.nttdata.com/en/contact-us.

EEO Statement

NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here. If you'd like more information on your EEO rights under the law, please click here. For Pay Transparency information, please click here.