Senior Front-end Engineer (f/m)
Paris, France
Full time
Hybrid
Compensation is not specified
Role
Frontend Engineer
Description
We are dedicated to democratizing access to digital assets and ensuring their security for everyone. Join us in this important mission.
Founded in 2014, Ledger is a leading global digital assets and Web3 platform. Our Ledger Nanos secure over 20% of the world's crypto assets. With headquarters in Paris and Vierzon and offices in the UK, US, Switzerland, and Singapore, Ledger boasts a team of over 700 professionals. Our team is focused on developing diverse products and services to empower individuals and businesses to securely manage, trade, grow, and store crypto assets. The Ledger hardware wallets line has already reached over 7 million units sold across 200 countries.
At Ledger, we uphold unique values that include Pragmatism, Audacity, Commitment, Trust, and Transparency. Our employees actively shape our work culture.
Ledger has introduced Ledger Live, an application designed to oversee all blockchain-based assets. Built using React.js (Electron on Desktop and React Native on Mobile), Ledger Live supports multiple blockchains, coins, NFTs, and integrates DApps. The application also offers an SDK for third parties to integrate, while being fully backed by our hardware wallets.
To support our ongoing growth, we seek a Senior Staff Front-End Engineer to join the Wallet Experience business unit. This role focuses on developing and maintaining the UI flows for portfolio and account management within the Live Hub squad.
Your primary responsibilities will include:
- Leading the desktop and mobile development of Ledger Live Applications from a technical standpoint.
- Collaborating with developers, QA testers, designers, and the product team within Ledger Live.
- Taking initiative in proposing technical solutions.
- Implementing features using best practices in unit to e2e testing.
- Participating in code reviews and ensuring the quality of Ledger's UI/UX framework.
- Mentoring team members and fostering technical growth within the team.
Key qualifications we are looking for:
- At least 6 years of experience in software development.
- A curious and positive mindset to join our highly collaborative team.
- Proficiency in JavaScript and TypeScript.
- Strong expertise in React.js development, tools, and libraries.
- Knowledge of testing strategies and UI/UX practices in software development.
Nice to have qualifications include:
- Experience with React Native and/or Electron.
- Familiarity with Web3 topics and technical stack.
- Experience in maintaining a library of shared components.
What we offer:
- Equity opportunities to share in our success through stock options.
- Flexibility with a hybrid work policy.
- Social engagement through annual company events and frequent social gatherings.
- Comprehensive health insurance coverage for medical, dental, and vision care.
- Well-being support with personal development, coaching, and fitness programs.
- Generous vacation policy with five weeks of paid leave per year.
- Access to high-performance office equipment and gadgets.
- Transportation reimbursement and employee discounts on our products.
We are committed to equal employment opportunities for all individuals, regardless of gender, ethnicity, religion, sexual orientation, social status, disability, or age.
Skills Required
Ledger
Website
www.ledger.comCompany size
Not specified
Location
United States
Description
Ledger is a leader in security and infrastructure solutions for cryptocurrencies and blockchain applications. We are constantly looking for innovative, talented people to join our team.
Rivalz Network
Project Manager
Full time
Remote
Job Description: Project Manager
Company: Rivalz Network
Location: Remote
Compensation: $2000-$3000/month
About Rivalz Network:
Rivalz Network is at the forefront of revolutionizing AI and blockchain integration with the creation of the World Abstraction Layer. Our mission is to bridge AI agents with real-world resources—digital and physical—by simplifying connectivity complexities. We are building an agent-centric future where AI reaches its full potential within a decentralized ecosystem.
We’re looking for a motivated and skilled Project Manager with a passion for AI and a working knowledge of large language models (LLMs). If you thrive in dynamic environments and are eager to contribute to cutting-edge technology development, this role is for you.
Key Responsibilities:
Oversee and manage end-to-end project lifecycles, ensuring deliverables align with timelines, budgets, and quality standards.
Collaborate with cross-functional teams, including developers, designers, and AI/LLM specialists, to define project scopes, objectives, and deliverables.
Monitor project progress and proactively address challenges, risks, and roadblocks.
Facilitate effective communication among team members, stakeholders, and leadership to ensure alignment and transparency.
Develop and maintain comprehensive project documentation, including plans, schedules, and status reports.
Coordinate with AI and blockchain experts to ensure seamless integration of technologies within the World Abstraction Layer.
Stay up-to-date on advancements in LLMs and AI to align projects with current trends and technologies.
Lead sprint planning, retrospectives, and agile ceremonies to ensure efficient workflows.
Qualifications:
Required:
Proven experience as a project manager, ideally in AI, software development, or blockchain environments.
Strong understanding of AI technologies, including large language models (LLMs).
Exceptional organizational, time management, and problem-solving skills.
Excellent communication and interpersonal abilities to manage diverse, remote teams.
Proficiency with project management tools such as Jira, Trello, or Asana.
Familiarity with agile methodologies and practices.
Preferred:
Background in AI, machine learning, or blockchain technologies.
Experience managing technical teams in a remote-first environment.
Demonstrated success in delivering complex projects involving AI and/or decentralized systems.
What We Offer:
A competitive monthly compensation of $2000-$3000.
The opportunity to work remotely with a team of forward-thinking innovators.
A chance to be part of a cutting-edge project that’s redefining the future of AI and blockchain.
Opportunities for professional growth in a dynamic and fast-paced industry.
How to apply
Submit your resume and cover letter at humaira@rivalz.ai
Company: Rivalz Network
Location: Remote
Compensation: $2000-$3000/month
About Rivalz Network:
Rivalz Network is at the forefront of revolutionizing AI and blockchain integration with the creation of the World Abstraction Layer. Our mission is to bridge AI agents with real-world resources—digital and physical—by simplifying connectivity complexities. We are building an agent-centric future where AI reaches its full potential within a decentralized ecosystem.
We’re looking for a motivated and skilled Project Manager with a passion for AI and a working knowledge of large language models (LLMs). If you thrive in dynamic environments and are eager to contribute to cutting-edge technology development, this role is for you.
Key Responsibilities:
Oversee and manage end-to-end project lifecycles, ensuring deliverables align with timelines, budgets, and quality standards.
Collaborate with cross-functional teams, including developers, designers, and AI/LLM specialists, to define project scopes, objectives, and deliverables.
Monitor project progress and proactively address challenges, risks, and roadblocks.
Facilitate effective communication among team members, stakeholders, and leadership to ensure alignment and transparency.
Develop and maintain comprehensive project documentation, including plans, schedules, and status reports.
Coordinate with AI and blockchain experts to ensure seamless integration of technologies within the World Abstraction Layer.
Stay up-to-date on advancements in LLMs and AI to align projects with current trends and technologies.
Lead sprint planning, retrospectives, and agile ceremonies to ensure efficient workflows.
Qualifications:
Required:
Proven experience as a project manager, ideally in AI, software development, or blockchain environments.
Strong understanding of AI technologies, including large language models (LLMs).
Exceptional organizational, time management, and problem-solving skills.
Excellent communication and interpersonal abilities to manage diverse, remote teams.
Proficiency with project management tools such as Jira, Trello, or Asana.
Familiarity with agile methodologies and practices.
Preferred:
Background in AI, machine learning, or blockchain technologies.
Experience managing technical teams in a remote-first environment.
Demonstrated success in delivering complex projects involving AI and/or decentralized systems.
What We Offer:
A competitive monthly compensation of $2000-$3000.
The opportunity to work remotely with a team of forward-thinking innovators.
A chance to be part of a cutting-edge project that’s redefining the future of AI and blockchain.
Opportunities for professional growth in a dynamic and fast-paced industry.
How to apply
Submit your resume and cover letter at humaira@rivalz.ai
Rivalz Network
AI Researcher (mid-level)
Full time
Remote
Rivalz Network
Rivalz Network’s infrastructure abstracts the complexities of connecting AI services and agents to various real-world resources. By orchestrating resource-backed agents, providing a decentralized data layer for secure processing and retrieval, enabling verifiable requests through an AI oracle, mapping both identity and resources seamlessly, and offering an AI x Web3 platform for fast application publishing and monetization, Rivalz empowers teams to bridge digital and physical ecosystems. Our ultimate goal is to unlock the full potential of an agent-centric future, enabling developers and no-code builders alike to harness AI-driven solutions with ease.
Working at Rivalz
We embrace a flexible, globally distributed environment that allows our team members to work from where they’re most comfortable—whether that’s at home or on the move. We leverage virtual collaboration and remote-friendly policies, enabling you to balance your personal life, family commitments, and professional goals. Wherever you are, you’ll be an integral part of our team which is shaping the future of AI, blockchain, and decentralized infrastructures. Join Rivalz’s forward-thinking AI Research team to push machine learning and agent-centric design, delivering impactful AI-Web3 solutions that empower innovators worldwide.
About the Role: AI Researcher (Mid-Level)
As a Mid-Level AI Researcher at Rivalz, you will play a key role in advancing our AI capabilities for seamless integration with real-world resources. You’ll spearhead novel research initiatives, publish findings, and architect solutions that drive our decentralized, agent-centric vision. If you’re eager to explore cutting-edge machine learning, deep learning, and blockchain, while seeing your work rapidly deployed in production, this is the perfect opportunity for you.
Key Responsibilities
Innovate & Research: Conduct advanced AI research in ML and DL to address complex challenges.
Design & Prototype: Architect and evaluate novel AI models for decentralized infrastructures.
Collaboration & Deployment: Work with cross-functional teams to develop production-ready AI solutions.
Open-Source & Community: Maintain a strong GitHub presence and engage with the broader AI/Web3 community.
Thought Leadership: Stay current with emerging AI trends to continually refine Rivalz’s infrastructure.
Real-World Integration: Expand AI’s reach into both digital and physical ecosystems for seamless interoperability.
Qualifications
Educational Background: Bachelor’s in Computer Science or related field (Master’s/PhD preferred).
Technical Expertise: Proficiency in Python, ML frameworks, and experience with LLMs/generative AI.
Blockchain Familiarity: Exposure to decentralized systems and their intersection with AI is a bonus.
Research & Publication: Track record in AI research, open-source contributions, or academic publications.
Collaboration & Communication: Strong interpersonal skills for distributed team coordination.
Adaptability & Problem-Solving: Ability to navigate evolving technologies with iterative, data-driven approaches.
Join us at Rivalz and be part of a pioneering team that’s redefining how AI agents interact with the world. Contribute your expertise, collaborate across disciplines, and help shape the agent-centric future.
How to Apply:
Submit your cover letter and resume at humaira@rivalz.ai
Rivalz Network’s infrastructure abstracts the complexities of connecting AI services and agents to various real-world resources. By orchestrating resource-backed agents, providing a decentralized data layer for secure processing and retrieval, enabling verifiable requests through an AI oracle, mapping both identity and resources seamlessly, and offering an AI x Web3 platform for fast application publishing and monetization, Rivalz empowers teams to bridge digital and physical ecosystems. Our ultimate goal is to unlock the full potential of an agent-centric future, enabling developers and no-code builders alike to harness AI-driven solutions with ease.
Working at Rivalz
We embrace a flexible, globally distributed environment that allows our team members to work from where they’re most comfortable—whether that’s at home or on the move. We leverage virtual collaboration and remote-friendly policies, enabling you to balance your personal life, family commitments, and professional goals. Wherever you are, you’ll be an integral part of our team which is shaping the future of AI, blockchain, and decentralized infrastructures. Join Rivalz’s forward-thinking AI Research team to push machine learning and agent-centric design, delivering impactful AI-Web3 solutions that empower innovators worldwide.
About the Role: AI Researcher (Mid-Level)
As a Mid-Level AI Researcher at Rivalz, you will play a key role in advancing our AI capabilities for seamless integration with real-world resources. You’ll spearhead novel research initiatives, publish findings, and architect solutions that drive our decentralized, agent-centric vision. If you’re eager to explore cutting-edge machine learning, deep learning, and blockchain, while seeing your work rapidly deployed in production, this is the perfect opportunity for you.
Key Responsibilities
Innovate & Research: Conduct advanced AI research in ML and DL to address complex challenges.
Design & Prototype: Architect and evaluate novel AI models for decentralized infrastructures.
Collaboration & Deployment: Work with cross-functional teams to develop production-ready AI solutions.
Open-Source & Community: Maintain a strong GitHub presence and engage with the broader AI/Web3 community.
Thought Leadership: Stay current with emerging AI trends to continually refine Rivalz’s infrastructure.
Real-World Integration: Expand AI’s reach into both digital and physical ecosystems for seamless interoperability.
Qualifications
Educational Background: Bachelor’s in Computer Science or related field (Master’s/PhD preferred).
Technical Expertise: Proficiency in Python, ML frameworks, and experience with LLMs/generative AI.
Blockchain Familiarity: Exposure to decentralized systems and their intersection with AI is a bonus.
Research & Publication: Track record in AI research, open-source contributions, or academic publications.
Collaboration & Communication: Strong interpersonal skills for distributed team coordination.
Adaptability & Problem-Solving: Ability to navigate evolving technologies with iterative, data-driven approaches.
Join us at Rivalz and be part of a pioneering team that’s redefining how AI agents interact with the world. Contribute your expertise, collaborate across disciplines, and help shape the agent-centric future.
How to Apply:
Submit your cover letter and resume at humaira@rivalz.ai
Rivalz Network
Social Media Manager & Content Strategist
Full time
Remote
Job Description: Social Media Manager & Content Strategist
About Rivalz Network:
Rivalz Network is at the forefront of revolutionizing AI and blockchain integration with the creation of the World Abstraction Layer. Our mission is to bridge AI agents with real-world resources—digital and physical—by simplifying connectivity complexities. We are building an agent-centric future where AI reaches its full potential within a decentralized ecosystem.
About the Role:
We are seeking a dynamic Social Media & Content Strategist to join our team and take charge of our digital presence. This individual will be a master of trends, an engaging writer, and a visionary strategist who knows how to captivate audiences, build communities, and analyze performance metrics to drive results.
Key Responsibilities:
o Stay ahead of the curve with the latest in social media tools, trends, and
emerging technologies, including AI and Web3.
o Proactively identify opportunities to integrate trends into our content strategy.
o Craft compelling short-form and long-form content that sparks conversation and
resonates with diverse audiences.
o Ensure all content aligns with the brand voice and objectives.
o Oversee the creation, curation, and management of content across all social
platforms, blogs, and newsletters.
o Collaborate with designers, videographers, and other team members to deliver
high-quality assets.
o Foster authentic interactions with audiences to build trust, loyalty, and meaningful
engagement.
o Create feedback loops to continuously improve the brand & connection with its community.
o Monitor and analyze performance metrics to evaluate the success of campaigns.
o Adjust strategies to maximize reach, engagement, and overall impact based on
data-driven insights.
Qualifications:
Proven experience in social media management, content creation, or a similar role.
Exceptional writing and storytelling skills.
Deep knowledge of AI, Web3, and emerging digital trends.
Proficiency in analytics tools (e.g., Google Analytics, social media insights).
Strong organizational and project management skills.
Passion for building and nurturing communities.
Why Join Rivalz Network?
Be part of a pioneering team shaping the future of AI and blockchain integration.
Work in a collaborative, forward-thinking, and innovative environment.
Play a crucial role in building the voice and strategy of a revolutionary brand.
Compensation will be based on your experience.
How to apply
Submit your cover letter and Resume at humaira@rivalz.ai
About Rivalz Network:
Rivalz Network is at the forefront of revolutionizing AI and blockchain integration with the creation of the World Abstraction Layer. Our mission is to bridge AI agents with real-world resources—digital and physical—by simplifying connectivity complexities. We are building an agent-centric future where AI reaches its full potential within a decentralized ecosystem.
About the Role:
We are seeking a dynamic Social Media & Content Strategist to join our team and take charge of our digital presence. This individual will be a master of trends, an engaging writer, and a visionary strategist who knows how to captivate audiences, build communities, and analyze performance metrics to drive results.
Key Responsibilities:
o Stay ahead of the curve with the latest in social media tools, trends, and
emerging technologies, including AI and Web3.
o Proactively identify opportunities to integrate trends into our content strategy.
o Craft compelling short-form and long-form content that sparks conversation and
resonates with diverse audiences.
o Ensure all content aligns with the brand voice and objectives.
o Oversee the creation, curation, and management of content across all social
platforms, blogs, and newsletters.
o Collaborate with designers, videographers, and other team members to deliver
high-quality assets.
o Foster authentic interactions with audiences to build trust, loyalty, and meaningful
engagement.
o Create feedback loops to continuously improve the brand & connection with its community.
o Monitor and analyze performance metrics to evaluate the success of campaigns.
o Adjust strategies to maximize reach, engagement, and overall impact based on
data-driven insights.
Qualifications:
Proven experience in social media management, content creation, or a similar role.
Exceptional writing and storytelling skills.
Deep knowledge of AI, Web3, and emerging digital trends.
Proficiency in analytics tools (e.g., Google Analytics, social media insights).
Strong organizational and project management skills.
Passion for building and nurturing communities.
Why Join Rivalz Network?
Be part of a pioneering team shaping the future of AI and blockchain integration.
Work in a collaborative, forward-thinking, and innovative environment.
Play a crucial role in building the voice and strategy of a revolutionary brand.
Compensation will be based on your experience.
How to apply
Submit your cover letter and Resume at humaira@rivalz.ai
Rivalz
Project Manager
Full time
Remote
Job Description: Project Manager
Company: Rivalz Network
Location: Remote
Compensation: $2000-$3000/month
About Rivalz Network:
Rivalz Network is at the forefront of revolutionizing AI and blockchain integration with the creation of the World Abstraction Layer. Our mission is to bridge AI agents with real-world resources—digital and physical—by simplifying connectivity complexities. We are building an agent-centric future where AI reaches its full potential within a decentralized ecosystem.
We’re looking for a motivated and skilled Project Manager with a passion for AI and a working knowledge of large language models (LLMs). If you thrive in dynamic environments and are eager to contribute to cutting-edge technology development, this role is for you.
Key Responsibilities:
Oversee and manage end-to-end project lifecycles, ensuring deliverables align with timelines, budgets, and quality standards.
Collaborate with cross-functional teams, including developers, designers, and AI/LLM specialists, to define project scopes, objectives, and deliverables.
Monitor project progress and proactively address challenges, risks, and roadblocks.
Facilitate effective communication among team members, stakeholders, and leadership to ensure alignment and transparency.
Develop and maintain comprehensive project documentation, including plans, schedules, and status reports.
Coordinate with AI and blockchain experts to ensure seamless integration of technologies within the World Abstraction Layer.
Stay up-to-date on advancements in LLMs and AI to align projects with current trends and technologies.
Lead sprint planning, retrospectives, and agile ceremonies to ensure efficient workflows.
Qualifications:
Required:
Proven experience as a project manager, ideally in AI, software development, or blockchain environments.
Strong understanding of AI technologies, including large language models (LLMs).
Exceptional organizational, time management, and problem-solving skills.
Excellent communication and interpersonal abilities to manage diverse, remote teams.
Proficiency with project management tools such as Jira, Trello, or Asana.
Familiarity with agile methodologies and practices.
Preferred:
Background in AI, machine learning, or blockchain technologies.
Experience managing technical teams in a remote-first environment.
Demonstrated success in delivering complex projects involving AI and/or decentralized systems.
What We Offer:
A competitive monthly compensation of $2000-$3000.
The opportunity to work remotely with a team of forward-thinking innovators.
A chance to be part of a cutting-edge project that’s redefining the future of AI and blockchain.
Opportunities for professional growth in a dynamic and fast-paced industry.
How to apply?
Send your resume and Cover letter to humaira@rivalz.ai
Company: Rivalz Network
Location: Remote
Compensation: $2000-$3000/month
About Rivalz Network:
Rivalz Network is at the forefront of revolutionizing AI and blockchain integration with the creation of the World Abstraction Layer. Our mission is to bridge AI agents with real-world resources—digital and physical—by simplifying connectivity complexities. We are building an agent-centric future where AI reaches its full potential within a decentralized ecosystem.
We’re looking for a motivated and skilled Project Manager with a passion for AI and a working knowledge of large language models (LLMs). If you thrive in dynamic environments and are eager to contribute to cutting-edge technology development, this role is for you.
Key Responsibilities:
Oversee and manage end-to-end project lifecycles, ensuring deliverables align with timelines, budgets, and quality standards.
Collaborate with cross-functional teams, including developers, designers, and AI/LLM specialists, to define project scopes, objectives, and deliverables.
Monitor project progress and proactively address challenges, risks, and roadblocks.
Facilitate effective communication among team members, stakeholders, and leadership to ensure alignment and transparency.
Develop and maintain comprehensive project documentation, including plans, schedules, and status reports.
Coordinate with AI and blockchain experts to ensure seamless integration of technologies within the World Abstraction Layer.
Stay up-to-date on advancements in LLMs and AI to align projects with current trends and technologies.
Lead sprint planning, retrospectives, and agile ceremonies to ensure efficient workflows.
Qualifications:
Required:
Proven experience as a project manager, ideally in AI, software development, or blockchain environments.
Strong understanding of AI technologies, including large language models (LLMs).
Exceptional organizational, time management, and problem-solving skills.
Excellent communication and interpersonal abilities to manage diverse, remote teams.
Proficiency with project management tools such as Jira, Trello, or Asana.
Familiarity with agile methodologies and practices.
Preferred:
Background in AI, machine learning, or blockchain technologies.
Experience managing technical teams in a remote-first environment.
Demonstrated success in delivering complex projects involving AI and/or decentralized systems.
What We Offer:
A competitive monthly compensation of $2000-$3000.
The opportunity to work remotely with a team of forward-thinking innovators.
A chance to be part of a cutting-edge project that’s redefining the future of AI and blockchain.
Opportunities for professional growth in a dynamic and fast-paced industry.
How to apply?
Send your resume and Cover letter to humaira@rivalz.ai
Payment in Crypto
Arcanium Labs
Solidity Developer Required For Avalanche Based Web3 StartUp
New York, USA
New York, USA
Part time
Remote
We are seeking an experienced and enthusiastic technical developer with good knowledge of Solidity and the Avalanche Chain, who can create complex smart contracts.
You will be joining as a technical co-founder, with financial compensation. We will pay up to $200 for each task completed. You will be eligible for a more fixed contract and salary as Lead Engineer as the start-up matures.
You will be joining as a technical co-founder, with financial compensation. We will pay up to $200 for each task completed. You will be eligible for a more fixed contract and salary as Lead Engineer as the start-up matures.