CrawlJobs Logo

Lead Blockchain Engineer

India, Noida · Job Posted December 12, 2025
Apply Position
Job Link Share

Job Description

We’re looking for a Blockchain Development Lead to join our Engineering team and to architect and guide the development of blockchain-based solutions across our emerging product lines — from ethical finance and payments to transparency-driven logistics and SaaS ecosystems in Noida. This role combines hands-on engineering, architectural design, and technical leadership. You’ll mentor a team of developers, collaborate with product and DevOps squads, and ensure our blockchain stack aligns with Taazaa’s values of kindness, craftsmanship, and iterative innovation.

Job Responsibility

  • Architecture & Design: Lead the design of scalable, secure, and efficient blockchain systems (permissioned and public)
  • Technical Leadership: Mentor and guide developers on smart contracts, distributed ledger design, and cryptographic principles
  • Integration: Collaborate with backend, cloud, and data engineering teams to integrate blockchain components with existing SaaS architectures
  • Innovation: Evaluate emerging technologies (L2s, ZK proofs, stablecoins, cross-chain protocols) for use in real-world business applications
  • Quality & Security: Establish best practices for code reviews, audits, and on-chain security
  • Collaboration: Partner with cross-functional teams including Product Managers, Designers, and Data Scientists to prototype and deploy blockchain-powered features

Requirements

  • 5+ years of software development experience
  • 2+ years in blockchain or distributed systems
  • Strong experience with Solidity, Rust, or Go for blockchain protocols or smart contract development
  • Hands-on experience with Ethereum, Hyperledger, Polygon, or Solana ecosystems
  • Deep understanding of cryptographic primitives, consensus algorithms, and decentralized architectures
  • Familiarity with web3 libraries, Node.js/TypeScript, and REST/gRPC API integration
  • Proven experience in leading teams, conducting code reviews, and mentoring developers

Nice to have

Experience integrating blockchain with AI, FinTech, or SaaS platforms is a strong plus

What we offer

  • Continuous professional growth, offering workshops and training
  • Work-life balance with flexible hours and remote options
  • Competitive salaries
  • Health benefits
  • Various perks

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Similar Jobs for

Lead Blockchain Engineer

8 matching positions

Senior Blockchain Engineer - Team Lead

The Citi Integrated Digital Assets Platform Engineering Team Lead must be a high...
Location
Location
Israel , Tel Aviv
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s degree in CS or Engineering
  • 7 to 10 years of experience in full software development and testing lifecycle
  • 5 to 7 years of experience and expertise with Backend web development with Java spring
  • 1 to 3 years of experience in web3 application development is a plus
  • 1 to 3 years of experience and expertise developing web applications using asynchronous programming and communication
  • Experience and expertise developing web applications adhering to best practices and patterns for reliability, scalability, and performance
  • Familiarity with web3 libraries like Web3J and Web3JS is a plus
  • Familiarity with common and best practices for web3 applications is a plus
  • Familiarity of Solidity code and best practices is a plus
  • Familiarity of basics of DevOps and containerize applications is a plus
Job Responsibility
Job Responsibility
  • Collaborate with team members in implementation approach of web applications leveraging blockchain technology
  • Own and deliver functional scope end-to-end of applications leveraging blockchain technology meeting our quality standards
  • Solve solution engineering challenges to meet our stakeholders’ requirements and expectations
  • Know and properly use best and common practices, and design patterns for enterprise web applications
  • Know and properly use best and common practices, and design patterns for web3 applications
  • Properly use collaborative tools to manage and deliver work in a distributed team
  • Contribute and maintain tech documents for code and applications built and maintained
  • Be a team player and properly communicate in a distributed team
  • Help resolve/escalate issues as needed to successfully deliver projects on time, on budget and with quality
  • Fulltime
Read More
Arrow Right

Senior Security Engineer, Blockchain

Join us in building the future of finance. Our mission is to democratize finance...
Location
Location
United States , Menlo Park
Salary
Salary:
187000.00 - 220000.00 USD / Year
robinhood.com Logo
Robinhood
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 4+ years of experience conducting cyber security assessments
  • 3+ years of experience engineering security solutions
  • 2+ years of experience specializing in assessing and securing blockchain applications and infrastructure
  • Deep understanding of blockchain technologies, protocols, exploits, and frameworks and associated security risks
  • Security domain knowledge across many cyber security disciplines
  • Outside-the-box thinking (adversary mentality)
  • Experience communicating effectively with technical/non-technical and executive-level audiences
  • Working knowledge of Go or Python for interacting with security tooling APIs
Job Responsibility
Job Responsibility
  • Perform proactive assessments covering infrastructure, secure and resilient architecture, data security (including privacy), identity and access management, application and product security for our Crypto business
  • Prioritize and drive the reduction of discovered security issues, vulnerabilities, and risks by partnering with the business to provide recommendations and solutions
  • Work with technical leads to develop strategies, programs, systems and tools that enhance our approach in keeping our products, data, and customers safe and secure
  • Collaborate with partner security teams to help safeguard Robinhood’s data and infrastructure
  • Provide technical expertise on Robinhood’s Security and Privacy solutions, policies, procedures, and standards
  • Stay up to date on the direction of emerging security, privacy, blockchain technologies, and industry trends
What we offer
What we offer
  • Performance driven compensation with multipliers for outsized impact, bonus programs, equity ownership, and 401(k) matching
  • 100% paid health insurance for employees with 90% coverage for dependents
  • Lifestyle wallet - a highly flexible benefits spending account for wellness, learning, and more
  • Employer-paid life & disability insurance, fertility benefits, and mental health benefits
  • Time off to recharge including company holidays, paid time off, sick time, parental leave, and more
  • Exceptional office experience with catered meals, events, and comfortable workspaces
  • Fulltime
Read More
Arrow Right

Lead DevOps Engineer

Our client — an early-stage fintech startup — is building a blockchain-based pay...
Location
Location
United States
Salary
Salary:
Not provided
g2i.co Logo
G2i Inc.
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 8+ years of DevOps/SRE experience with strong AWS expertise
  • Advanced skills in Kubernetes, Docker, and large-scale container orchestration
  • Proficiency in Terraform, CloudFormation, or Pulumi
  • Experience with CI/CD for both TypeScript/Node.js and Solidity smart contracts
  • Familiarity with AI-driven DevOps tools
  • Deep knowledge of monitoring stacks (Prometheus, Grafana, ELK) and distributed tracing
  • Experience with real-time, high-throughput systems (WebSocket, message queues)
  • Strong background in security and compliance (SOC 2, PCI DSS)
  • Expertise in PostgreSQL, Redis, and data pipeline management
  • Proven success building reliable infrastructure at scale
Job Responsibility
Job Responsibility
  • Design and implement infrastructure as code for multi-region, high-availability cloud environments
  • Develop CI/CD pipelines for smart contract and Node.js microservice deployments
  • Implement zero-downtime deployment automation and testing workflows
  • Set up observability systems for blockchain events, transactions, and system performance
  • Use AI tools for optimization, anomaly detection, and automated incident management
  • Establish robust security controls, secrets management, and compliance automation
  • Design disaster recovery and data backup strategies
  • Define DevOps best practices: GitOps, infrastructure automation, and AI-enhanced operations
  • Manage scalability and cost efficiency while maintaining 99.99% uptime
Read More
Arrow Right

Lead Data Engineer

We're looking for a Lead Data Engineer to build the data infrastructure that pow...
Location
Location
United States
Salary
Salary:
185000.00 - 225000.00 USD / Year
zora.co Logo
Zora
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 7+ years of experience in data engineering, with at least 2 years in a technical leadership role
  • Strong proficiency in Python and SQL for building production data pipelines, complex data transformations and evolving data platforms, shared infrastructure, and internal tooling with engineering best practices.
  • Strong experience in designing, building, and maintaining cloud-based data pipelines using orchestration tools such as Airflow, Dagster, Prefect, Temporal, or similar.
  • Hands-on experience with cloud data platforms (AWS, GCP, or Azure) and modern data stack tools
  • Deep understanding of data warehousing concepts and experience with platforms like Snowflake, BigQuery, Redshift, or similar
  • Strong software engineering fundamentals including testing, CI/CD, version control, and writing maintainable, documented code
  • Track record of optimizing data systems for performance, reliability, and cost efficiency at scale
  • Excellent communication skills and ability to collaborate with cross-functional teams including product, engineering, and design
Job Responsibility
Job Responsibility
  • Design and build scalable data pipelines to ingest, process, and transform blockchain data, trading events, user activity, and market signals at high volume and low latency
  • Architect and maintain data infrastructure that powers real-time trading analytics, P&L calculations, leaderboards, market cap tracking, and liquidity monitoring across the platform
  • Own ETL/ELT processes that transform raw onchain data from multiple blockchains into clean, reliable, and performant datasets used by product, engineering, analytics, and ML teams
  • Build and optimize data models and schemas that support both operational systems (serving live trading data) and analytical use cases (understanding market dynamics and user behavior)
  • Establish data quality frameworks including monitoring, alerting, testing, and validation to ensure pipeline reliability and data accuracy at scale
  • Collaborate with backend engineers to design event schemas, data contracts, and APIs that enable real-time data flow between systems
  • Partner with product and analytics teams to understand data needs and translate them into robust engineering solutions
  • Provide technical leadership by mentoring engineers, conducting code reviews, establishing best practices, and driving architectural decisions for the data platform
  • Optimize performance and costs of data infrastructure as we scale to handle exponentially growing trading volumes
What we offer
What we offer
  • Remote-First Culture: Work from anywhere in the world!
  • Competitive Compensation: Including salary, pre-IPO stock options, token compensation, and additional financial incentives
  • Comprehensive Benefits: Robust healthcare options, including fully covered medical, dental, and vision for employees
  • Retirement Contributions: Up to 4% employer match on your 401(k) contributions
  • Health & Wellness: Free memberships to One Medical, Teladoc, and Health Advocate
  • Unlimited Time Off: Flexible vacation policies, company holidays, and recharge weeks to prioritize wellness
  • Home Office Reimbursement: To cover home office items, monthly home internet, and monthly cell phone (if applicable)
  • Ease of Life Reimbursement: To cover everything from an Uber home in the rain, childcare, or meal delivery
  • Career Development: Access to mentorship, training, and opportunities to grow your career
  • Inclusive Environment: A culture dedicated to diversity, equity, inclusion, and belonging
  • Fulltime
Read More
Arrow Right

Lead Solutions Engineer

We're hiring a lead, hands-on Solutions Engineer to support our payments and fin...
Location
Location
United States
Salary
Salary:
Not provided
polygon.technology Logo
Polygon Labs
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong background in payments, fintech, or financial infrastructure
  • Hands-on familiarity with fund flows, settlement, reconciliation, disputes, and money movement
  • Deep familiarity with legacy payment systems, fund flows, and real-world integration constraints
  • Prior experience in Solutions Engineering, Sales Engineering, or highly technical pre-sales roles at payments companies
  • Proven ability to operate independently with minimal guidance
  • Strong customer empathy and the ability to explain complex systems clearly
  • Comfortable coding and building small technical solutions or prototypes
  • Solid understanding of APIs, webhooks, payment integrations, and system architecture
  • Distributed systems experience helpful but not required
Job Responsibility
Job Responsibility
  • Support BD in late-stage deals and technical evaluations
  • Lead technical discovery with customers, focusing on complex legacy payments, fund flows, and compliance
  • Align customer business models (tradfi, fintech, platforms, embedded finance, global payments) with scalable payment architectures
  • Translate customer business and system requirements into implementation plans
  • Design and explain integrations for: Wallets
  • Payments APIs
  • KYC/KYB, onboarding, risk, and compliance
  • Widgets, SDKs, hosted components, and embedded payment experiences
  • Develop reference architectures, integration diagrams, payment flow documentation, and technical walkthroughs
  • Serve as the technical authority in customer discussions when needed
What we offer
What we offer
  • Remote first global workforce
  • Industry leading Medical, Dental and Vision health insurance
  • Company matching 401k with 3% match
  • $1,500 Home Office Set Up Allowance (life-time max)
  • $200 Annual Book Allowance Program
  • $75 Monthly internet or phone reimbursement
  • Flexible Time Off
  • Company issued laptop
  • Egg freezing, mental health, and employee wellness benefits
  • Fulltime
Read More
Arrow Right

Applications Support Senior Analyst

Location
Location
India , Pune
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6 plus years experience in an Application Support role
  • Practical problem solving and strategic thinking skills
  • Demonstrated leadership, interpersonal skills and relationship building skills
  • Service oriented attitude
  • Ability to work in a fast-paced environment
  • Experience working or leading requirement gathering efforts for multiple large development projects at one-time
  • Proficient using basic technical tools and systems
  • Good interpersonal and communication skills
  • Good all-round technical skills
  • Effectively share information with other support team members and with other technology teams
Job Responsibility
Job Responsibility
  • Provides technical and business support for users of Citi Applcations
  • Partner with multiple technology teams to ensure appropriate integration of functions to meet goals
  • Perform Incident/Outage Management
  • Investigation of incidents reported across a range of applications within our Custody Digital Assets and Settlements applications
  • Engagement with ITIL processes including Major Incident management, problem management, change management etc
  • Operate independently to identify process bottlenecks and proactively drive improvements
  • Experience in performing resiliency activities such as disaster recovery coordination
  • Confidently handle outage communication with stakeholders in Business and Operations
  • Actively participate in defining and implementing application onboarding guidelines and standards
  • Acts as SME to senior stakeholders and /or other team members
  • Fulltime
Read More
Arrow Right

Custody Support - Application Support Technical Lead - Vice President

Team/Role Overview: The person would be a part of the Custody Support team suppo...
Location
Location
United Kingdom , Belfast
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Practical problem solving and strategic thinking skills
  • Demonstrated leadership, interpersonal skills and relationship building skills
  • Service oriented attitude
  • Ability to work in a fast-paced environment
  • Experience working or leading requirement gathering efforts for multiple large development projects at one-time
  • Proficient using basic technical tools and systems
  • Good interpersonal and communication skills
  • Blockchain and Crypto Currency Technology Fundamentals Understanding of distributed ledgers, consensus mechanisms, and cryptographic principles as they apply to digital asset custody and settlement workflows
  • Cloud and Distributed Technology Support Experience Experience in supporting target technology stacks such as ECS, OpenShift, and microservices at L2/L3 level in distributed, cloud-native environments
  • Site Reliability Engineering (SRE) Hands-on experience with modern observability, monitoring tools, automation tools, and resiliency management — including Open Telemetry, Grafana, and Google Cloud Observability (GCO)
Job Responsibility
Job Responsibility
  • Lead a team of technical experts for the new product offering - Digital Custody Assets
  • Partner with multiple technology teams to ensure appropriate integration of functions to meet goals
  • identify and define necessary system enhancements
  • analyze existing system logic, identify problems
  • and recommend and implements solutions
  • Performing Incident/Outage Management, pro-actively collaborate with Development and Infrastructure partners to identify and remediate stability risks, and engage in crisis management and cross region handholding of issues
  • Investigation of incidents reported across a range of applications within our Custody Digital Assets and Settlements applications
  • Engagement with ITIL processes including Major Incident management, problem management, change management etc
  • Operate independently to identify process bottlenecks and proactively drive improvements by engaging the appropriate teams
  • Experience in performing resiliency activities such as disaster recovery coordination from Production to Contingency site from an Application Support perspective, and Application component level resiliency tests
What we offer
What we offer
  • 27 days annual leave (plus bank holidays)
  • A discretional annual performance related bonus
  • Private Medical Care & Life Insurance
  • Employee Assistance Program
  • Pension Plan
  • Paid Parental Leave
  • Special discounts for employees, family, and friends
  • Access to an array of learning and development resources
  • Hybrid working model (up to 2 days working at home per week)
  • Fulltime
Read More
Arrow Right

Software Engineer, Frontend / Full Stack (Trading)

We’re hiring a Senior Frontend / Fullstack Software Engineer to help build and o...
Location
Location
Salary
Salary:
200000.00 - 250000.00 USD / Year
phantom.app Logo
Phantom
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelors degree in Computer Science or related technical field or equivalent practical experience
  • 5+ years full-time software engineering experience
  • React / Typescript / React Native
  • Demonstrated interest in open and community-driven platforms
  • English language proficiency
Job Responsibility
Job Responsibility
  • Build and own the asset discovery experience across tokens, perpetuals, and prediction markets
  • Design, build, and scale systems that help users explore, evaluate, and engage with tradable assets
  • Feature development on web and mobile platforms (Phantom Extension, Phantom Terminal, mobile app)
  • Lead initiatives to add support for other blockchains and launch new products or infrastructure
  • Interface directly with end-users and developers to collect feedback
  • Work with the team to foster a culture of raising the bar with each new hire
What we offer
What we offer
  • Competitive salary and equity
  • Comprehensive insurance (medical/dental/vision) — 100% covered
  • Stipend for your ideal remote set-up
  • Flexible hours and a supportive remote environment
  • Unlimited vacation
  • 401(k) retirement plan
  • Monthly wellness benefit
  • Weekly meal benefit
  • Global off-sites
  • Fulltime
Read More
Arrow Right