Senior Blockchain Solution Engineer Job at Myticas Consulting (Toronto)

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

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

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 Rust Software Engineer

Serokell is a fast-growing, fully remote software development company that works...

Location

Salary:

Not provided

Serokell

Expiration Date

Until further notice

Requirements

3+ years of experience with Rust
Solid knowledge of Rust’s basics: type system, generics, lifetimes, std, serde, logging, error handling, project organisation and structure
Extensive experience with Rust’s async ecosystem (tokio, futures, streams)
Experience writing and running unit tests, integration tests
Strong grasp of computer science fundamentals, including algorithms, data structures, and concurrent programming
Knowledge of computer networks: HTTP, TCP/IP stack, understanding of poll- and push-based data synchronisation models and their usage in modern service APIs
Fluent spoken and written English

Job Responsibility

Develop robust, scalable, and maintainable Rust applications, adhering to best practices and coding standards
Participate in code reviews, providing constructive feedback and ensuring code quality
Debug and resolve technical issues, identifying and implementing effective solutions

What we offer

Competitive salary
Attractive international projects
Participation in the leading world conferences
International teams and multicultural environment
Fully remote work and flexible working hours
Possibility to take days off whenever you need
Investment in your professional and career growth, which will correspond to wage growth
Mentoring and training
Therapy sessions to support your well-being
Opportunity to contribute to one of the functional programming industry’s leading blogs

Senior Protocol Engineer

Chainway Labs is seeking a Senior Protocol Engineer to join our team at Citrea, ...

Location

Salary:

Not provided

Chainway Labs

Expiration Date

Until further notice

Requirements

A minimum of 5 years of hands-on experience in protocol development
Proficiency in Rust
Exceptional communication skills in English, both written and spoken
An aptitude for quick thinking, problem-solving, and clearly and effectively expressing solutions
'That Guy' or 'That Gal' Mindset: We value individuals who exhibit a proactive approach to tasks and challenges, fearlessly conquering any obstacles in their path

Job Responsibility

Design, develop, and maintain cryptographic protocols for Citrea’s rollup and bridge architecture
Collaborate with engineering and product teams to ensure seamless protocol integration
Build and optimize core bridge components such as state proof generation, verifier binaries, and signature collection
Ensure scalability, security, and performance across the bridge and rollup infrastructure
Lead testing efforts to validate protocol correctness and bridge reliability

What we offer

Competitive compensation package, including equity options
Remote work setting
Engaging community activities that foster team bonding and collaboration
A welcoming atmosphere where every team member's opinion is valued
A dynamic team environment filled with bright, young, and dedicated colleagues, offering an enriching collaborative experience

Fulltime

Senior Scala Backend Engineer

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 Backend Engineer, DeFi Wallet

Blockchain.com is connecting the world to the future of finance. As the most tru...

Location

United Kingdom , London

Salary:

Not provided

Blockchain

Expiration Date

Until further notice

Requirements

Integrity
Highly motivated, self-driven, passionate about crypto currencies
Knowledge of how blockchain systems work, preferably worked closely with two
Ability to find your way around when confronted to a novel problem not many people faced before
Innate curiosity, knowledge of multiple programming languages, strong advocate for the best engineering practices and thrive on learning new technologies
Pragmatic approach to developing clean solutions to complex problems
Pride yourself on consistent high levels of test coverage, strong technical documentation and effective monitoring
Take full responsibility for all the projects you work in
Preferably experience in at least one JVM based language such as Java, Kotlin, Scala or willing to learn these languages

Job Responsibility

Build on our DeFi wallet platform, expanding support for multiple networks
Develop and integrate APIs from new and existing services, to our various product applications
Be a part of a dedicated engineering team committed to applying the highest standards and shipping secure and performant systems
Work in the core of Blockchain.com’s solution, interacting directly with multiple blockchains and internal services
Work extensively with open source technologies (Docker, Kafka, PostgreSQL)
Ensure security is at the forefront of everything you do
Work within interdisciplinary teams to continually deliver the highest quality products to our users
Optimise existing systems for scalability, extensibility and performance whilst building out reusable, modular code for use across Blockchain’s products

What we offer

Full-time salary based on experience and meaningful equity in an industry-leading company
Hybrid model working from home & awesome office location in the heart of London
Unlimited vacation policy
Apple equipment
Work from Anywhere Policy: You can work remotely from anywhere in the world for up to 20 days per year
The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an emerging field
Flexible work culture

Fulltime

Senior Backend Engineer

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

5+ years of experience in Backend (Node.JS) / Software Engineering role, preferably in a product-based startup environment
3+ years of experience in TypeScript as the primary language
Capable of self-training on backend languages like Python, RUST
Familiarity with software development best practices - version-control, code-reviews, testing, CI/CD
Work in an agile environment (Scrum/XP/Kanban)
Work in a multicultural environment - English is a MUST

Job Responsibility

Design and develop our governance and orchestration layer
and a set of complex APIs
Communicate with cryptographic modules (HSM), and blockchain interfaces
Integrate new cryptocurrencies on Vault
Work closely with the Product team to define and understand end-user requirements, and translate them into pragmatic technical solutions
Work in cross-team environment: You will be in direct contact with Vault’s Frontend and QA engineers, but also with cross-functional teams such as Core, Firmware, Infrastructure, and Operations
Participate in firefighting sessions, and interface with stakeholders like Technical Account Managers

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 Solution Engineer

Myticas Consulting

Location:
Canada , Toronto

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
January 15, 2026

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Job Posted:January 15, 2026

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