Blockchain

Blockchain Developer Jobs

4 jobs found

Today

Lead Software Engineer

JPMorganChase Columbus, OH

Columbus, OH

Today

$152k - $215k/yr Full time Senior Blockchain Cybersecurity Tools

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Job Description

The Lead Software Engineer role at JPMorgan Chase is an onsite position in Columbus, Ohio, within the Cybersecurity Technology & Controls organization. As a core technical contributor, you will design, develop, and deliver secure, scalable technology products that support the firm’s business objectives. The position offers a salary range of USD 152,000 - 215,000 per year and requires a Bachelor's degree along with at least five years of relevant experience.

Responsibilities

Deliver innovative software solutions from design through troubleshooting, applying nontraditional approaches to solve complex technical problems.
Design, develop, test, and deploy security monitoring controls with a focus on blockchain security.
Identify opportunities to automate remediation of recurring issues to improve the stability of software applications and systems.
Build and maintain modern tooling using API-first design, microservices, and event-driven patterns, prioritizing resilience, performance, and scalability.
Engineer and operate CI/CD pipelines with automated testing and security guardrails, including code quality checks, dependency scanning, secrets scanning, and policy gates.
Define and implement secure SDLC practices such as threat modeling, secure code review, vulnerability remediation, and secure configuration standards.
Collaborate with cross-functional stakeholders to ensure timely, accurate integration of blockchain-related security telemetry and operational requirements.
Perform technical evaluations during proofs-of-concept and vendor assessments, providing SME input into architecture and product decisions.
Knowledge of blockchain-related security telemetry and operational systems is desirable.
Contribute to a team culture that values diversity, opportunity, inclusion, and respect.

Requirements

A Bachelor's Degree in Computer Science, Cybersecurity, Data Science, or 5+ years of experience engineering a security analytics platform (Splunk or equivalent) within a large-scale or global enterprise.
Hands-on experience delivering system design, application development, testing, and maintaining operational stability.
Proficiency in one or more programming languages.
Competence in a programming or scripting language for automation and integration tasks.
Deep understanding of data management concepts for security analytics, including ingestion, parsing, and normalization.
Strong analytical and problem-solving capabilities capable of addressing complex challenges.
Experience working in an Agile team environment, with exposure to at least one common Agile framework.
General understanding of organizational cybersecurity practices, risk management, security architecture, and engineering.
General understanding of national and international laws, regulations, policies, and ethics related to financial industry cybersecurity.

Technologies

Splunk
block chain

Benefits

comprehensive health care coverage
on-site health and wellness centers
retirement savings plan
backup childcare
tuition reimbursement
mental health support
financial coaching

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23d ago

Lead Blockchain Protocol Engineer (Specialty Software Engineer 3)

Experis Woodbridge, NJ

Woodbridge, NJ

23d ago

$73+/hr Contract Backend Developer Blockchain Bulletproofs

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Job Description

Experis is recruiting for a contingent lead blockchain protocol engineer to join the Specialty Software Engineering group in Woodbridge, New Jersey. The role centers on designing and building a core settlement engine for a blockchain-based digital asset platform, with emphasis on privacy-preserving cryptographic primitives, consensus extensions, and scalable distributed systems. This contract position offers about $73 per hour and requires onsite presence.

Responsibilities

Architect and develop a core settlement engine using blockchain technology and cryptographic primitives.
Implement privacy-preserving cryptographic primitives such as Pedersen Commitments and Bulletproofs to ensure transaction confidentiality.
Design and engineer custom consensus extensions and state machines for distributed ledger systems.
Optimize cryptographic operations for performance and scalability in a distributed environment.
Build secure off-chain query layers and permissioned auditing mechanisms to support regulatory compliance.

Requirements

4+ years of experience in Specialty Software Engineering or equivalent, including work, training, or military background.
Proficiency in backend or systems programming with expert-level knowledge of Go (Golang).
At least 6 months of experience with Elliptic Curve Cryptography (ECC).
Over 1 year of experience with BFT consensus algorithms, P2P networking, and distributed systems.
Strong understanding of cryptographic protocols, consensus mechanisms, and distributed ledger technologies.

Technologies

Go (Golang)
Elliptic Curve Cryptography (ECC)
Pedersen Commitments
Bulletproofs

Benefits

Work on challenging, impactful problems that influence the future of institutional finance.
Engage in high-impact engineering projects that enhance transaction security and privacy.
Enjoy technical autonomy and participate in architectural decision-making processes.
Collaborate with a talented team dedicated to innovation and excellence.
Contribute to a forward-thinking organization committed to diversity and inclusion.

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1mo ago

Smart Contract Developer Multi-Chain

Meta Elements Inc. Remote 🌍 Remote

Remote

1mo ago Closed

$98k - $118k/yr Full time Blockchain Contract Development Ethereum

This position is no longer accepting applications (closed Jun 21, 2026).

Job Description

This remote role focuses on building fast-moving cross-chain DeFi and NFT primitives across Ethereum, L2s, and Solana. You will ship secure, production-ready contracts, integrate them with modern frontends, audit for exploits, and stay plugged into evolving crypto trends. The position comes with strong benefits: 100% remote work freedom, a generous token allocation with ecosystem airdrop eligibility, unlimited vacation, high-spec hardware delivered to your door, and regular all-expenses-paid team retreats. This is a fast-paced, autonomous environment where your contributions directly shape the protocol and community.

Responsibilities

Ship secure, battle-tested smart contracts on Ethereum/L2s (Solidity) and Solana (Rust) to support evolving product roadmaps.
Connect contracts directly to user interfaces using Web3.js, @solana/web3.js, and modern wallet adapters.
Actively audit code to prevent exploits, front-running, and optimize gas and compute units under high traffic.
Move quickly, push code to GitHub multiple times daily, and iterate on features based on real-time community feedback.
Stay connected with crypto Twitter, governance forums, and Discord to spot new trends, primitives, and security updates to adopt.

Requirements

Hands-on experience deploying at least one smart contract to a live public testnet or mainnet, with verified contract links to share.
Comfort navigating both EVM (Solidity) and Solana (Rust) environments, recognizing the differences in architecture.
Solid command of TypeScript or JavaScript for scripts, automation, and basic frontend-to-contract integrations.
Self-starter with a deep passion for crypto, decentralized finance, non-fungible tokens, or decentralized infrastructure networks.
Ability to work autonomously in a fast-paced setting where priorities shift based on market trends and community needs.

Technologies

Solidity
Rust
Ethereum
Solana
Web3.js
@solana/web3.js
TypeScript
JavaScript
GitHub

Benefits

Generous token allocation and ecosystem airdrop eligibility, providing direct financial upside in the protocol you build.
100% remote work freedom to work from anywhere while staying responsive on Discord and meeting sprint deadlines.
Unlimited vacation policy, allowing time off whenever needed without questions.
High-spec hardware, including the latest MacBook Pro or equivalent, delivered to you.
All-expenses-paid team retreats in tropical locations to bond, brainstorm upgrades, and celebrate launches.

Compensation

USD 98,388.89 – 118,489.85 per year

Work Location

Remote

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1mo ago

Blockchain Developer _ Digital Assets

Tata Consultancy Services Charlotte, NC

Charlotte, NC

1mo ago Closed

$110k - $125k/yr Full time Backend Developer Asset Custody Blockchain

This position is no longer accepting applications (closed Jun 18, 2026).

Job Description

The Blockchain Developer for Digital Assets at Tata Consultancy Services in Charlotte, NC is responsible for designing, developing, and maintaining blockchain solutions for asset issuance, transfer, and lifecycle management. The role includes building and auditing smart contracts, integrating wallets and key-management systems, and ensuring secure asset operations, with a focus on security, governance, interoperability, and ongoing platform improvements.

Responsibilities

Design, develop, and maintain blockchain-based applications for digital asset issuance, transfer, and lifecycle management.
Build and audit smart contracts (Solidity, Rust) with a strong emphasis on security, gas efficiency, and upgradeability.
Integrate wallets, custody platforms, and key-management systems (HSM/MPC) for secure asset operations.
Implement token standards and protocols (fungible and non-fungible) aligned to business and regulatory requirements.
Develop backend services and APIs for on-chain and off-chain synchronization, transaction orchestration, and reconciliation.
Establish monitoring for node health, transaction status, chain events, and anomalous activity detection.
Conduct threat modeling, vulnerability remediation, and secure SDLC practices for blockchain components.
Collaborate with product, legal, compliance, and risk teams on digital asset controls, approvals, and governance.
Optimize performance and reliability across testnet and mainnet environments, including rollback and incident playbooks.
Support interoperability with exchanges, bridges, and third-party blockchain infrastructure providers.
Maintain technical documentation such as architecture, smart contract specifications, runbooks, and release notes.
Stay current on protocol upgrades, EIPs, and ecosystem changes to drive continuous platform improvement.

Requirements

Blockchain Developer
Digital Assets
Agile concepts
CI/CD
10+ years’ experience

Technologies

Solidity
Rust
HSM
MPC

Benefits

Discretionary Annual Incentive
Comprehensive Medical Coverage: Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans
Family Support: Maternal & Parental Leaves
Insurance Options: Auto & Home Insurance, Identity Theft Protection
Convenience & Professional Growth: Commuter Benefits & Certification & Training Reimbursement
Time Off: Vacation, Time Off, Sick Leave & Holidays
Legal & Financial Assistance: Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing

Location

Charlotte, NC

Job Function

Technology

Role

Technical Architect

Job ID

412660

Desired Skills

Agile

Salary Range

$110,000-$125,000 a year

Desired Candidate Profile

Qualifications: Bachelor of Computer Science

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Blockchain Developer Jobs

Lead Software Engineer

Lead Blockchain Protocol Engineer (Specialty Software Engineer 3)

Smart Contract Developer Multi-Chain

Blockchain Developer _ Digital Assets

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