Senior Software Engineer, Web3 Job at Robinhood (Menlo Park)

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 Software Developer, Web3

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

Location

Canada , Toronto

Salary:

145000.00 - 170000.00 CAD / Year

Robinhood

Expiration Date

Until further notice

Requirements

5+ years of experience in software development, ideally in fast-paced environments
3+ years of experience working with large-scale, low-latency distributed systems
proficient in Go or Python
strong problem-solving and debugging skills
take ownership and have built and operated high-scale distributed systems end-to-end
excellent communication skills and a collaborative working style
led technical initiatives and supported the development of less experienced engineers

Job Responsibility

Build scalable and reliable API infrastructure to support tokenized equity trading and transfers
write, test, and release production-grade software with a high bar for quality and performance
collaborate with product, design, and engineering teams to deliver impactful technical projects
provide mentorship to junior developers and contribute to a culture of technical excellence
continuously identify areas for system improvement and drive technical enhancements

What we offer

bonus opportunities
equity
benefits

Fulltime

Senior Software Engineer - E-commerce

Senior Software Engineer position on the core web engineering team responsible f...

Location

France , Paris

Salary:

Not provided

Ledger

Expiration Date

Until further notice

Requirements

5+ years of experience in contributing to enterprise-level codebases
A keen eye for quality, complemented by great communication skills
A great learning mindset – for teaching, mentoring and expanding your own knowledge
Working knowledge of Domain Driven Design, eXtreme Programming and Clean Code
Experience with TDD, pairing and a whole-team approach
An appreciation for data-driven decision making

Job Responsibility

Working as part of an agile delivery team practising CI/CD
Writing high-quality, performant, secure and maintainable code
Constantly levelling up the team in writing clean code
Championing best practice software craftsmanship through examples and good reviews
Occasionally speaking and presenting at sprint demos and Web CoP events
Translating technical concepts for non-technical people
Working across a number of code repositories with an e-commerce and Web 3 focus
Creating and reviewing feature blueprints for effective design, planning and forecasting

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 - contribution to preferred means of transportation
Learning & Development - comprehensive suite of training solutions

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

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

Digital Assets Senior Backend Engineer

Senior Backend Engineer role at Citi's Innovation Labs working on the Citi Integ...

Location

Israel , Tel Aviv

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Engineering, or related discipline
8+ years of experience in full software development and testing lifecycle
Deep expertise in Backend web development using Java Spring
Understanding of web3 infrastructure, blockchain technology, and digital assets
Experience developing high-performance web applications
Excellent computer science fundamentals including data structures, algorithms, and design patterns
Familiarity with Agile Methodology and Scrum
Proficiency with collaborative tools for distributed team environments

Job Responsibility

Collaborate with team to implement next-generation web applications using blockchain technology
Own and deliver end-to-end functional scope for blockchain applications
Tackle complex engineering challenges in digital assets landscape
Apply best practices and cutting-edge design patterns for enterprise and web3 applications
Use collaborative tools and methodologies in distributed agile team
Contribute to and maintain high-quality technical documentation

What we offer

Competitive base salary
Comprehensive benefits package
Generous holiday allowance
Private medical insurance
Employee assistance programs
Hybrid working model (up to 2 days working at home per week)
Inclusive workplace environment

Fulltime

Senior Front-end 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

Engineer profile with at least 5 years of experience in software development
Good knowledge of UI/UX practices in software development
Proficient with JavaScript and TypeScript
Strong experience in React.js development, tools and libraries
Good knowledge of testing strategies

Job Responsibility

Own from a technical standpoint the desktop and mobile development of Ledger Live Applications
Collaborate with our devs, QA, designers, and product within Ledger Live teams
Take initiative and offer technical solutions
Develop features using best practices from unit to e2e testing
Participate in code reviews
Be responsible for the quality of Ledger’s UI/UX framework
Mentor and promote tech growth within the team, helping to set high standards for the team
Work 100% on Open Source projects all gathered in our monorepo: ledger-live
Share knowledge within Ledger and beyond

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

Staff Software Engineer - Coin Integration

We’re a team of experts pushing the limits of what’s possible, united by our com...

Location

France , Paris

Salary:

Not provided

Ledger

Expiration Date

Until further notice

Requirements

Strong experience as a senior or staff-level engineer in complex technical environments
Proven ability to lead technically without direct people management responsibility
Ability to dive into protocol-level details
Strong communication skills, especially around technical documentation and design rationale
Comfortable working with distributed or international teams

Job Responsibility

Act as the technical lead for blockchain integrations owned by the Blockchain Support Team
Own the technical quality, correctness, and maintainability of delivered integrations
Design, implement, and maintain blockchain modules from early exploration to production
Contribute significantly through coding, reviews, and architectural prototypes
Identify architectural risks early and propose pragmatic solutions
Set a high bar for code quality, testing, documentation, and security practices
Drive the documentation of integration patterns, architectural decisions, and protocol-specific learnings
Mentor engineers through technical guidance, pairing, and design discussions
Help engineers grow their expertise in blockchain protocols, systems thinking, and Ledger’s architecture
Collaborate with product, security, and other engineering teams when needed

What we offer

Flexible work options - Our hybrid policy allows employees to work from home up to 3 times per week
Health & Wellness support - Health and Life Insurance
Financial growth opportunities - Employees can become shareholders in Ledger as well as other financial benefits depending on your country of work
Commuter allowance - Ledger offers a commuter allowance to contribute to your preferred means of transportation
Learning & Development - A comprehensive suite of training solutions providing a personalised learning experience for every employee

Fulltime

Senior Software Engineer, Web3

Robinhood

Location:
United States , Menlo Park ▼
New York

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
December 11, 2025

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