Senior Blockchain Developer Job at Shriffle (Indore)

Blockchain Senior Backend Engineer

Join Citi's Innovation Labs and leverage cutting-edge blockchain technology to r...

Location

Israel , Tel Aviv

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

A Bachelor's degree in Computer Science, Engineering, or a related discipline
8+ years of extensive experience in full software development and testing lifecycle, with deep expertise in Backend web development using Java Spring
An understanding of web3 infrastructure, blockchain technology, and digital assets, with a proven ability to develop web applications leveraging these technologies – advantage
Demonstrated experience developing high-performance web applications, adhering to best practices and patterns for reliability, scalability, and performance
Excellent computer science fundamentals, including data structures, algorithms, and design patterns, translated into elegant, working code
Familiarity with Agile Methodology and Scrum, and proficiency with collaborative tools for distributed team environments
Love coding and creating things, especially when people actually use your builds

Job Responsibility

Collaborate with a visionary team to implement next-generation web applications, harnessing the power of blockchain technology
Own and deliver end-to-end functional scope for applications leveraging blockchain, ensuring unparalleled quality and performance
Tackle complex engineering challenges, delivering innovative solutions that meet and exceed stakeholder expectations in the rapidly evolving digital assets landscape
Champion and apply best practices and cutting-edge design patterns for both enterprise and web3 applications, ensuring architectural excellence
Drive the proper use of collaborative tools and methodologies to manage and deliver high-impact work within a distributed, agile team
Contribute to and maintain high-quality technical documentation, fostering knowledge sharing and ensuring the longevity of our innovative solutions

What we offer

Competitive base salary and a comprehensive benefits package, including generous holiday allowance, private medical insurance, and employee assistance programs
A business-casual workplace with a hybrid working model (up to 2 days working at home per week)
A workplace where everyone feels comfortable coming to work as their whole self, where the best talent is energized to join, motivated to stay, and empowered to thrive

Fulltime

Senior Crypto Developer

We are seeking a talented and driven Senior Crypto Developer to join our dynamic...

Location

Salary:

Not provided

gamdom

Expiration Date

Until further notice

Requirements

5+ years of backend development experience, including significant work with Node.js and TypeScript
Strong understanding of blockchain fundamentals, especially UTXO vs. account-based models
Hands-on experience with Ethereum, Bitcoin, and L2s (e.g., Arbitrum, Optimism, Polygon)
Familiarity with Web3 libraries such as ethers.js, web3.js, and experience interacting with RPC APIs
Deep understanding of secure wallet management practices and MPC technology
Proficiency in front-end development using React and Web3 provider integrations
Experience in designing high-availability systems and real-time transaction infrastructure
Strong emphasis on security, performance, and scalability
Excellent documentation and communication skills

Job Responsibility

Own backend micro-services in Node.js/TypeScript that interface with multiple blockchains, following clean-architecture and test-driven development principles
Run and optimize bitcoin-core (BTC/LTC) nodes, manage UTXO sets, fee estimation, mempool monitoring, and wallet RPCs for high-volume deposit and withdrawal flows
Build and maintain Ethereum transaction pipelines using ethers.js - handle ERC-20/ERC-721 token transfers, reorgs, transaction signing/broadcasting, and nonce management
Integrate additional L1/L2 networks by abstracting blockchain-specific logic behind a unified service layer, enabling rapid support for new tokens and chains
Leverage Fireblocks or similar MPC/custodial APIs to manage secure wallet operations, policy enforcement, and multi-signature approval flows
Develop and maintain frontend Web3 wallet integrations (e.g., MetaMask, WalletConnect, Ledger) using TypeScript/React, delivering seamless UX and real-time transaction feedback
Build scalable deposit & withdrawal infrastructure, including queueing systems, idempotent webhooks, reconciliations, wallet sweeps, address management, and fee optimization
Embed security and compliance features, KYT screening, whitelisting, secrets management, and rate-limiting into application code and CI/CD pipelines
Monitor blockchain health and system performance establish SLAs, create alerting systems, implement incident response plans, and lead post-mortems
Document APIs, architecture decisions, and operational runbooks

What we offer

A dynamic and supportive work environment
Opportunities for professional growth and development in a rapidly evolving industry
Competitive salary and performance-based incentives
The chance to work with a passionate team in the forefront of blockchain innovation

Back-End Senior Developer

We are looking for a highly talented and motivated senior engineer to join our R...

Location

United States , Scottsdale, Arizona

Salary:

Not provided

Sky Republic

Expiration Date

Until further notice

Requirements

5+ years’ experience in back-end software development
Desire and ability to rapidly learn new technologies, put them in practice with tough deadlines, and work through challenging problems
Proficient with agile (Scrum/Kanban/XP) software development methodology and continuous delivery techniques and tools (Jenkins, Git, Jira etc.)
Familiar with cloud service development ecosystem (Amazon AWS, Google Cloud Platform, Microsoft Azure)
Practical development experience with some of the following technologies: Concurrent and strongly typed programming language such as Golang (preferred), C++, Java
REST API and JSON schemas
Linux container technologies (Docker, Kubernetes, etc.)
SQL databases (PostgreSQL, MySQL, Oracle)
Information Security concept and cryptography theory
Middleware software technologies (Apache Service Mix, IBM WebSphere, Mulesoft, WSO2 etc.)

Job Responsibility

Contribute to a highly creative and experienced team in an agile and collaborative environment
Participate in all phases of development including design, coding, deployment, testing, documentation and maintenance of Sky Republic solutions
Apply software development best practices such as unit testing, code review, test automation and continuous delivery to produce high quality software
Work with various stakeholders and customers to develop the Sky Republic offering and ensure its adoption

What we offer

Attractive compensation (salary + bonus + equity)
Medical, Dental, Vision, 401K
Flexible working hours

Fulltime

Senior Flutter Developer

Due to the company’s expansion PixelPlex is looking for a Senior Flutter Develop...

Location

Salary:

Not provided

PixelPlex

Expiration Date

Until further notice

Requirements

At least 3 years of commercial development experience with Flutter
Strong knowledge of Dart
Knowledge of Kotlin/Java and/or Swift/Objective-C
Familiarity with Git, Gradle, CocoaPods, BLoC, MobX, Redux, SOLID, DI, TDD, Clean Architecture
Deep understanding and practical application of SOLID architecture principles and others
Experience in creating technical documentation and ability to formulate a technical implementation plan
Potential for growth into a Lead Flutter development role

Job Responsibility

Developing projects in Flutter
Participation in application architecture design
Test writing
Support of completed projects
Maintenance of project technical documentation

Fulltime

Senior Blockchain Architect

We are seeking a highly experienced Senior Blockchain Technical Architect to joi...

Location

Portugal , Lisbon

Salary:

Not provided

Inetum

Expiration Date

Until further notice

Requirements

Deep understanding of distributed ledger technology, consensus mechanisms (e.g., PoW, PoS, PBFT, QBFT, etc), and core cryptographic principles including hashing, digital signatures, and zero-knowledge proofs
Proficiency in tokenization, token standards (ERC-20, ERC-721), and smart contracts (including upgradable ones) for decentralized applications
Expertise in enterprise blockchain platforms such as Hyperledger Besu, Canton, Fabric, R3 Corda, and Quorum
Familiarity with permissioned blockchain architectures and their specific applications in banking
Proven ability to design scalable, secure, and high-performance blockchain solutions
Strong grasp of cybersecurity best practices for blockchain systems
Understanding of traditional financial systems like RTGS, SWIFT, trade finance, capital markets, and digital asset custody
Insight into how blockchain can enhance or replace conventional financial processes, including trends in decentralized finance (DeFi) and central bank digital currencies (CBDCs)
Experience with cloud technologies, containers, and orchestration tools such as Kubernetes
Experience with facilitating seamless interaction between various blockchain platforms and traditional financial systems

Job Responsibility

Act as a trusted advisor to senior leadership, offering insights and recommendations on blockchain technology trends, opportunities, and risks
Collaborate with business stakeholders, developers, and other architects to co-construct blockchain solutions that address complex banking challenges
Define and enforce blockchain technology standards, frameworks, and best practices across the organization
Evaluate and assess third-party providers solutions to ensure acquisition of high-quality solutions
Ensure blockchain solutions adhere to regulatory requirements (e.g., GDPR, PSD2, AML, KYC) and industry best practices
Stay abreast of emerging trends in blockchain, DeFi, CBDCs, and AI, and assess their potential impact on the organization’s strategy
Work closely with business units and IT teams to align blockchain initiatives with broader organizational goals

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

Senior Backend Developer

PixelPlex is hiring an experienced Backend Developer to the Web department.

Location

Salary:

Not provided

PixelPlex

Expiration Date

Until further notice

Requirements

At least 5 years of development experience
Experience in developing microservices applications
Knowledge of standards and principles for building application architecture
At least 3 years of experience in developing Node.js applications
knowledge and experience working with Nest.js would be a plus
Experience working with PostgreSQL and a good understanding of database architecture principles
Experience working with message brokers (RabbitMQ, Kafka)

Job Responsibility

Development of backend for crypto wallets, crypto explorers, and other blockchain-related applications
Development of backend for mobile applications (interaction with blockchain)
Work in a team of 3-6 people using established methodologies (Scrum or Waterfall)
Designing application architecture
Maintaining project technical documentation

Fulltime

Senior Staff Software Architect

We're making the world of digital assets accessible and secure for everyone. Joi...

Location

France , Paris

Salary:

Not provided

Ledger

Expiration Date

Until further notice

Requirements

8+ years of experience in technical design, development, CI/CD, testing, and delivery
Curious to learn how blockchain works under the hood and investigate deeply complex systems
Strong background in backend & algorithm development
Proficient in at least one of these development languages: Python, JavaScript/TypeScript, Scala, Rust
Deep experience with microservices
Team player with excellent interpersonal skills, able to align cross-functional teams
Excellent presentation and written communication in English

Job Responsibility

Help teams define project scopes, goals, project plans, and deliverables
Support Product & Engineering on the Discovery & Design of new product feature
Drive Tech Initiatives with Engineering to improve our stack, address tech debt, and support good engineering practices
Support engineering teams on critical topics by providing expertise and hands-on contributions to engineering squads
Explore new, innovative domains with a focus on concrete Ledger applications

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, including Apple products
Transport: Ledger reimburses part of your preferred means of transportation
Discounts: Employee discount on all our products

Fulltime

Senior Blockchain Developer

Shriffle

Location:
India , Indore

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
February 10, 2026

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Shriffle

Location:India , Indore

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Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:February 10, 2026

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Job Posted:
February 10, 2026