Senior Blockchain Engineer
AI summary
Kredete is hiring a Senior Blockchain Engineer to design and scale blockchain-powered cross-border payment infrastructure. The role involves building smart contracts across Ethereum, Stellar, Solana and other networks, integrating with wallets and payment systems, and collaborating with product and compliance teams. Strong blockchain architecture, security and fintech experience required.
- Senior blockchain engineering role focused on cross-border payments
- Work with Ethereum, Stellar, Solana, Polygon and Avalanche ecosystems
- Smart contract development, security audits and wallet integrations
- Fintech/payments domain with compliance and product collaboration
- Requires 5+ years software engineering and hands-on blockchain experience
AI job guide
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AI salary guide
Not enough public dataNot enough public salary data is available for this exact role. Before applying, prepare to ask about gross pay, benefits, contract length, probation period, transport and any allowances.
Can you qualify for this role?
- Required5+ years of relevant experienceThe job post includes a minimum experience signal.
- RequiredEducation or certification mentioned in the postThe captured text mentions education, a diploma, certificate, or licence.
- PreferredPractical evidence in security, call_center, internshipThe tags and summary point to skills connected with this role.
- RequiredAvailability to work in Not specifiedThe vacancy is associated with this location.
Documents to prepare
- Likely requiredUpdated CV
- Role specificCover letter or short employer message
- OptionalProfessional references
- Role specificAcademic or professional certificates
- VerifyID or passport only after verifying the employer
Application tips for this job
- Place your strongest Senior Blockchain Engineer evidence in the first half of your CV.
- In your cover letter or employer message, connect your experience to Kredete and the role in Not specified.
- Add concrete examples related to security, call_center, internship, ideally with measurable outcomes or clear responsibilities.
- Follow the instructions from Jobgurus Nigeria; avoid sending documents to unofficial contacts or copied links.
- Confirm the deadline, interview location and employer contact before sharing personal documents.
- Prepare a polite question about pay, benefits and contract terms for later interview stages.
Source and safety check
- Jobgurus Nigeria
- Original source link available
- Application method is clear
- Deadline not specified
- No major risk signal was detected in the captured text.
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Interview preparation
- What experience makes you a strong fit for this Senior Blockchain Engineer role in security, call_center?
- How have you handled responsibilities similar to those in this job post?
- Are you available to work in Not specified under the listed contract or schedule?
- Prepare examples with clear responsibilities, tools used and measurable outcomes.
- Review the source and research Kredete before the interview.
Ask what the first priorities will be in the role and how success will be measured.
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Original source description
We are looking for a Senior Blockchain Engineer to build and scale our blockchain powered cross-border payment infrastructure. In this role, you will design secure smart contracts, integrate with multiple networks (Ethereum, Stellar, Solana, etc.), and collaborate with product and compliance teams to deliver high-performance financial products. If you have deep experience: in blockchain architecture, wallet management and payment systems, and you thrive on solving complex security and scalability challenges, this is the role for you. What you'll do Design, build, and maintain blockchain-powered payment infrastructure that enables secure and efficient cross-border transactions. Manage the architecture and development of scalable blockchain systems, ensuring high availability, performance, and reliability. Develop, deploy, and maintain smart contracts across multiple blockchain networks. Integrate blockchain technologies with internal payment systems, wallets, custodians, and third-party financial services. Collaborate closely with product managers, backend engineers, frontend developers, compliance teams, and other stakeholders to deliver blockchain-enabled financial products. Implement robust security controls and conduct smart contract reviews, audits, and vulnerability assessments. Design and optimize transaction workflows, wallet management systems, and on-chain/off-chain reconciliation processes. Monitor and improve blockchain infrastructure, node operations, transaction processing, and network performance. Stay current with emerging blockchain technologies, protocols, standards, and industry best practices. Work with wallet providers, custodians, liquidity partners, and multiple blockchain protocols to support global payment operations. Qualifications Bachelor's or Master's Degree in Computer Science, Engineering, or a related technical field. 5+ years of professional software engineering experience, including significant hands-on blockchain development experience. Strong experience: building blockchain-based financial products, payment systems, remittance platforms, or digital asset infrastructure. Deep understanding of blockchain architectures, consensus mechanisms, cryptographic principles, and distributed systems. Experience: working with one or more blockchain ecosystems such as (Ethereum, Stellar, Polygon, Solana, Avalanche) Strong proficiency in smart contract development using languages such as Solidity, Rust, or equivalent blockchain programming languages. Experience: integrating blockchain networks with wallets, exchanges, custodial solutions, and payment providers. Strong knowledge of blockchain security, key management, wallet architecture, transaction signing, and secure development practices. Experience: designing and deploying production-grade, highly scalable blockchain systems. Strong understanding of APIs, backend systems, databases, and cloud infrastructure. Excellent problem-solving, debugging, and analytical skills. Strong communication skills with the ability to explain technical concepts to both technical and non-technical stakeholders. Nice to Have: Experience: building stablecoin, remittance, treasury, or digital asset payment products. Experience: integrating blockchain infrastructure into traditional financial systems and banking workflows. Knowledge of Web3 technologies, decentralized identity, tokenization, and digital asset compliance frameworks. Experience: with institutional custody, MPC wallets, or digital asset security platforms. Experience: with blockchain analytics, monitoring, and transaction risk tools. Contributions to open-source blockchain projects or active participation in the blockchain ecosystem. Prior experience: working in fintech, payments, banking, remittance, or financial services. Preferred Technologies: Solidity Rust TypeScript / Node.js Smart Contract Security & Auditing Blockchain Nodes & Infrastructure Wallet Integrations Payment Systems Web3 APIs AWS / Cloud Infrastructure PostgreSQL / MongoDB Docker & KuberneteS. Why Join Kredete Compensation + Equity-linked incentive package Opportunity to help shape the future of cross-border financial infrastructure High-impact role with direct visibility into company growth and strategy Small, high-performing teams with strong ownership and autonomy. Fast execution environment with meaningful career growth opportunities Exposure to global markets, fintech innovation, and emerging payment systems Collaborative and mission-driven culture focused on building products customers genuinely love. 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