Lead Blockchain Engineer Job at Taazaa Inc (Noida)

Lead Data Engineer

We're looking for a Lead Data Engineer to build the data infrastructure that pow...

Location

United States

Salary:

185000.00 - 225000.00 USD / Year

Zora

Expiration Date

Until further notice

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

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

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

Scala Backend Software Engineer, Senior / Lead

To sustain the company's growth, Ledger is looking for new talents. You will sta...

Location

France , Paris

Salary:

Not provided

Ledger

Expiration Date

Until further notice

Requirements

Experienced engineer and continuous learner with 6+ years of relevant engineering experience
2+ years of technical leadership experience, including effective communication of complex concepts and cross-team coordination to ship critical products
Advanced Scala proficiency
expert-level proficiency, and advanced mastery of a second backend language (e.g., Rust, Java, Python, PHP) is a plus
Excellent collaboration and communication skills
Experience collaborating closely with QA, product management, and key stakeholders to develop and deliver on a shared vision
Led development of complex, high-performance interactive browser applications, including architecture, infrastructure, and optimization
Experience with various web architecture patterns (e.g., Microservices, Event-Driven, P2P)
Ability to apply and adapt software engineering best practices to the engineering environment
Experience in the Web3 ecosystem and in a project involving blockchain fundamentals

Job Responsibility

Develop and maintain high-performance, resilient microservices and APIs to power Ledger's products, including integrations with staking, yield, DeFi services, and blockchain explorers
Contribute to the architecture, design, and implementation of scalable solutions, proactively identifying and addressing technical challenges
Ensure software quality through testing, documentation, and performance optimization, including monitoring and alerting systems
Enhance and maintain CI/CD pipelines to secure and streamline deployment workflows
Provide technical leadership and mentorship, collaborating across teams to deliver impactful projects and improve engineering standards
Drive innovation by identifying opportunities for improvement, contributing to a shared knowledge base, and participating in technical outreach
Manage projects effectively, respecting deadlines, priorities, and deliverables.

What we offer

Equity: Employees are the foundation of our success, and we award stock options so you can share in that success as we grow
Flexibility: A hybrid work policy
Social: Annual company outing for Ledgerdary Days, plus frequent social events, snacks and drinks
Medical: Comprehensive health insurance policy offering extensive medical, dental and vision care coverage
Well-being: Personal development, coaching & fitness with our dedicated partners
Vacation: Five weeks of paid leave per year, in addition to national holidays and rest & relaxation (RTT) days
High tech: Access to high performance office equipment and gadgets
Transport: Ledger reimburses part of your preferred means of transportation
Discounts: Employee discount on all our products.

Fulltime

Senior Security Engineer, Blockchain

Join us in building the future of finance. Our mission is to democratize finance...

Location

United States , Menlo Park

Salary:

187000.00 - 220000.00 USD / Year

Robinhood

Expiration Date

Until further notice

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

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

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

Vice President of Engineering

Join a Series A–funded digital asset risk-management platform backed by Microsof...

Location

United Kingdom

Salary:

140000.00 - 170000.00 GBP / Year

Orbis Consultants

Expiration Date

Until further notice

Requirements

Languages & Backend: Python, Go (Golang), TypeScript
Strong understanding of distributed systems, microservices, API-driven architectures
Data & Analytics: AWS Redshift, Athena, DynamoDB, Snowflake (or equivalent cloud data warehouses)
Kafka, Kinesis, or other streaming/event platforms
Experience building large-scale ingestion and normalisation pipelines
Experience with analytics engines, scoring frameworks, and real-time compute
Cloud & Infrastructure: AWS preferred (EKS, Lambda, S3, IAM, CloudWatch, ECS)
CI/CD tooling, infrastructure-as-code, observability, monitoring, deployment pipelines
Experience operating highly available systems in production environments
Security, Compliance & Enterprise: Secure systems design, identity/auth workflows, audit trails

Job Responsibility

Engineering Leadership & Execution: Lead engineering teams across backend, frontend, SRE, data platforms, and risk analytics
Drive execution of the engineering roadmap, delivering secure, scalable enterprise software
Define engineering processes that promote iteration, performance, and predictable delivery in a remote-first environment
Architecture & Platform Direction: Own end-to-end evolution of platform architecture: ingestion pipelines, scoring engines, real-time compute, APIs, and integrations
Guide system design decisions that ensure resilience, scale, and extensibility amid growing regulatory and market complexity
Lead technical direction for enterprise deployments, POCs, and customer integrations
Data Infrastructure & Analytics: Scale the data platform to support broader asset coverage, higher throughput, and more sophisticated analysis
Develop advanced analytics capabilities including anomaly detection, cross-chain signals, and automated scoring models
Ensure data accuracy, quality, and resiliency across pipelines and computation layers
Emerging AI & Automation Capabilities: Introduce new automation, reporting, and workflow intelligence features

What we offer

Competitive salary + meaningful equity
Medical insurance (location dependent)
Fully remote + home office budget
Supported attendance at blockchain conferences
Opportunities to collaborate globally and shape emerging industry standards

Fulltime

Staff Software Engineer - Devices interactions

Staff Software Engineer role focused on devices interactions, working on Ledger ...

Location

France , Paris

Salary:

Not provided

Ledger

Expiration Date

Until further notice

Requirements

Engineer profile with at least 8 years of experience in software development
Tech lead experience
Proficient with JavaScript and TypeScript
Strong background/interest in algorithm development and optimization
Excellent knowledge of React and hooks

Job Responsibility

Participate in modularization effort by contributing to Device Management Kit
Maintain and extend @ledgerhq/hw-transport-* libraries
Contribute to main Ledger's initiatives like 'Clear Sign all the things'
Contribute to 'My Ledger' section on Ledger Live application
Collaborate closely with other engineering teams like Firmware team
Help QA team automate testing approaches
Investigate bugs in blockchain edge cases

What we offer

Flexible work options - work from home up to 3 times per week
Health & Wellness support - Health and Life Insurance
Financial growth opportunities - employees can become shareholders
Commuter allowance
Learning & Development - comprehensive suite of training solutions

Fulltime

Senior Protocol Engineer

We're seeking a Senior Protocol Engineer to join the Protocol team. You’ll play ...

Location

United States

Salary:

200000.00 - 230000.00 USD / Year

Magic

Expiration Date

Until further notice

Requirements

5+ years as a Full‑Stack Engineer or equivalent experience, with a focus on: Protocol: Production-grade Rust services (5+ years)
EVM: Solidity (2+ years)
Proven track record at scale - building high‑traffic, low‑latency systems (e.g., handling tens of millions of user requests)
Strong proficiency with blockchain fundamentals (EVM – i.e memory/storage, gas model), and understanding of core EIPs on EVM
Strong system design skills for efficiency and scalability of the system
Experience of working on building blockchain protocols (L1, L2s, bridges, oracle networks, relayers, bundlers, solvers, etc.)
Strong understanding of security best practices both in Rust based systems and Solidity contracts
Excellent communication, mentorship, and autonomous execution at a senior engineering level
Proficiency with AI coding tools (Copilot, Cursor, Claude code, etc.)

Job Responsibility

Architect and implement protocol features end-to-end. From building protocol level features in Rust to developing middleware contracts in Solidity
Build, optimize, and scale services and contracts
Work closely with product and security teams (internal + external) to ensure our systems and contracts meet our security standards
Lead and collaborate as appropriate with other engineers, drive code reviews, set best practices for maintainable, scalable architecture

What we offer

Remote-first culture with flexible working hours
Stock options and token grants
99% company-paid medical*, dental and vision insurance
100% company-paid life and disability insurance
401(k) plan (US) or pension plan (CAN)
$3,600 annual reimbursement for remote work, wellness, and professional development
Flexible time off
Up to 12 weeks of paid parental leave

Fulltime

QA Team Lead

We’re the forever innovators. On a mission that goes beyond business. Securing d...

Location

France , Paris

Salary:

Not provided

Ledger

Expiration Date

Until further notice

Requirements

5+ years of experience in developing and implementing Quality assurance and test design strategies
Expertise in test automation frameworks (Playwright, Detox, Selenium)
Proven leadership in defining and implementing quality processes across SDLC
Experience leading and mentoring a QA team (3+ members)
Solid software development skills
Excellent cross-functional collaboration and communication skills
Proficiency in English
ISTQB certification & Experience in blockchain product testing are a plus

Job Responsibility

Lead and mentor a team of QA engineers
Be a strong advocate for shift-left testing and early validation
Champion test automation, reducing reliance on manual testing
Collaborate with Product and Engineering managers to implement and improve testing practices
Develop comprehensive test plans with maximum functional and non-functional coverage
Conduct root-cause analysis and implement robust preventive test strategies
Maintain a strong focus of quality KPIs
Design and maintain automated tests to improve coverage and reliability as necessary
Work with E2E and API automation frameworks, partnering with the SDET team

What we offer

Equity: Employees are the foundation of our success, and we award stock options so you can share in that success as we grow
Flexibility: A hybrid work policy
Social: Frequent social events, snacks and drinks
Medical: Comprehensive health insurance policy offering extensive medical, dental and vision care coverage
Well-being: Personal development, coaching & fitness with our dedicated partners
Vacation: Five weeks of paid leave per year, in addition to national holidays and rest & relaxation (RTT) days
High tech: Access to high performance office equipment and gadgets
Transport: Ledger reimburses part of your preferred means of transportation
Discounts: Employee discount on all our products

Fulltime

Principal Functional Back End Engineer

Join Our Team as a Principal Functional Back End Engineer at Modus Create! We ar...

Location

Salary:

Not provided

Modus Create

Expiration Date

Until further notice

Requirements

Principal Level experience
Experience with Haskell (written professionally, knowledge of advanced features, ability to navigate large codebase)
Experience working on core of a blockchain project (consensus, ledger, APIs, testing, etc.)
Interest in and some experience with open source community contributions
Passionate about Nix (or similar systems like Guix)
Interest in declarative, reproducible builds with experience in systems like Bazel, Buck2, or Meson
Fluent with command line
Skilled in managing development pipelines, test automation, continuous integration, and cloud-based deployments
Knowledgeable in software architecture, design patterns, and development methodologies
Ability to distinguish between accidental and essential complexity

Job Responsibility

Partner with cross-functional teams and provide strategic consulting, full lifecycle product development
Leading, mentoring, and coaching both clients and Modus teammates
Deep diving into customer needs and translating them into actionable requirements
Exploring new tech and continuously learning
Sharing knowledge and participating actively in the community
Giving back through opportunities such as blog posts, open source contributions, and event speaking
Travel & connections during remote meet-ups
Teaching and learning on internal and external projects
Being a self starter with autonomy and proactivity
Client interaction representing Modus and values

What we offer

Remote work with flexible working hours
Modus Global Office Programme: on-demand access to private offices, meeting rooms, coworking spaces and business lounges in over 120 countries
Employee Referral Program
Client Referral Program
Travel according to client or team needs
Chance to work side-by-side with thought leaders in emerging tech
Access to more than 12,000 courses with a licensed Coursera account
Possibility to obtain paid certification/courses if aligned with company goals and relevant to role

Lead Blockchain Engineer

Taazaa Inc

Location:
India , Noida

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
December 12, 2025

Looking for more opportunities? Search for other job offers that match your skills and interests.

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Looking for more opportunities? Search for other job offers that match your skills and interests.

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Job Posted:
December 12, 2025