Senior Scala Backend Engineer (f/m)
Status
Paris, France
Full time
Hybrid
Compensation is not specified
Role
Backend Engineer
Description
We are currently seeking talented individuals to join our team at Ledger, a global platform for digital assets and innovations in the Web3 space. Led by a team of over 500 professionals worldwide, Ledger is at the forefront of securing crypto assets through cutting-edge technology, with a mission to provide individuals and companies with secure solutions to manage their digital assets.
Ledger Live, our innovative Desktop and Mobile application built using ReactJS, aims to assist users in managing their blockchain-backed assets efficiently. Responsibilities for this position include working within Ledger's Consumer Services business unit to enhance existing transactional services and develop new solutions for consumers to facilitate the buying, selling, exchanging, and securing of crypto assets.
Your Role
- Develop and maintain high-performance microservices and APIs to support Ledger's product line, integrating with staking, DeFi services, and blockchain explorers.
- Contribute to designing and implementing scalable solutions, addressing technical challenges effectively.
- Ensure software quality through testing, performance optimization, and implementing monitoring and alerting systems.
- Improve and maintain CI/CD pipelines for secure and efficient deployment processes.
- Provide technical leadership and mentorship, collaborating with cross-functional teams to deliver impactful projects while upholding engineering standards.
- Drive innovation by identifying opportunities for improvement, sharing knowledge, and engaging in technical initiatives.
- Manage projects efficiently, meeting deadlines and deliverables.
Requirements
- Minimum of 6 years of engineering experience with a continuous learning mindset.
- At least 2 years of technical leadership experience, demonstrating effective communication and coordination to deliver critical products.
- Proficient in Scala with advanced expertise; additional mastery of a second backend language like Rust, Java, Python, or PHP is advantageous.
- Strong collaboration and communication skills.
- Experience working closely with QA, product management, and stakeholders to realize a shared vision.
- Prior experience in developing high-performance browser applications with a focus on architecture, infrastructure, and optimization.
- Proficiency in various web architecture patterns such as Microservices, Event-Driven, and P2P.
- Familiarity with adapting software engineering best practices to the work environment.
- Knowledge of the Web3 ecosystem and blockchain fundamentals is preferred.
- Experience with Docker, Kubernetes, web protocols (HTTP, JSON-RPC, GraphQL, SOAP, gRPC), and databases (relational and NoSQL).
- Fluent in English and experienced in a multicultural work environment.
- Background in supporting client-facing applications in a production environment.
Benefits
- Equity opportunities through stock options.
- Flexible hybrid work policy.
- Social events, annual company outings, and provided snacks and beverages.
- Comprehensive health insurance coverage.
- Personal development, coaching, and fitness partnerships.
- Generous paid leave, including national holidays and rest days.
- Access to high-performance office equipment.
- Transportation reimbursement and employee discounts on products.
Ledger is committed to being an equal opportunity employer, welcoming individuals from diverse backgrounds without discrimination based on gender, ethnicity, religion, sexual orientation, social status, disability, or age.
Skills Required
Ledger
Website
www.ledger.comCompany size
Not specified
Location
United States
Description
Not specified
Status
bitcastle .
Listing Business Development Manager (Crypto, Japanese Speaking)
Delhi, India
Delhi, India
Full time
Remote
About the Company:
Bitcastle is a cryptocurrency exchange platform which aims to create a new age of exchange where everyone can use it safely and have fun. As we expand and take a more active approach to global expansion, bitcastle is looking to hire a Full-Time Listing Business Development to drive growth by leading end-to-end sales initiatives and strategic collaborations in the blockchain and crypto sector, while coordinating cross-functional teams and staying ahead of market trends through continuous research and industry engagement.
About the Role:
- Identify new business opportunities, expand and execute strategic partnerships
- Look for new listing sales opportunities in Blockchain and crypto space
- Manage the listing sales pipeline, from researching, sourcing, contacting, negotiating, converting and following up with clients
- Liase and coordinate with marketing, product, customer support and operations teams to ensure smooth delivery of products
- Assess and monitor key indicators of cryptocurrency projects and evaluating the effectiveness of partnership and campaign initiatives
- Monitor market trends and conducting R&D in the cryptocurrency market
- Participate in overseas exhibitions and events as required and network with potential business partners
Requirements:
Business level Japanese proficiency
Minimum 1 year of BD/sales experience in crypto/blockchain space
Familiar with cryptocurrency or blockchain technology
Experience in managing a team
Experience in crypto coins listing or general business development experience in the crypto industry
Capabilities of develop global customer relationships independently
Good relationship with team and cross functional communication skill
Ideal Candidate:
Have a good sense of cooperation and working with a team
Able to act independently and proactively
Experience in customer negotiation
Bitcastle is a cryptocurrency exchange platform which aims to create a new age of exchange where everyone can use it safely and have fun. As we expand and take a more active approach to global expansion, bitcastle is looking to hire a Full-Time Listing Business Development to drive growth by leading end-to-end sales initiatives and strategic collaborations in the blockchain and crypto sector, while coordinating cross-functional teams and staying ahead of market trends through continuous research and industry engagement.
About the Role:
- Identify new business opportunities, expand and execute strategic partnerships
- Look for new listing sales opportunities in Blockchain and crypto space
- Manage the listing sales pipeline, from researching, sourcing, contacting, negotiating, converting and following up with clients
- Liase and coordinate with marketing, product, customer support and operations teams to ensure smooth delivery of products
- Assess and monitor key indicators of cryptocurrency projects and evaluating the effectiveness of partnership and campaign initiatives
- Monitor market trends and conducting R&D in the cryptocurrency market
- Participate in overseas exhibitions and events as required and network with potential business partners
Requirements:
Business level Japanese proficiency
Minimum 1 year of BD/sales experience in crypto/blockchain space
Familiar with cryptocurrency or blockchain technology
Experience in managing a team
Experience in crypto coins listing or general business development experience in the crypto industry
Capabilities of develop global customer relationships independently
Good relationship with team and cross functional communication skill
Ideal Candidate:
Have a good sense of cooperation and working with a team
Able to act independently and proactively
Experience in customer negotiation
bitcastle .
Listing Business Development
City Of Manila, Philippines
City Of Manila, Philippines
Full time
Remote
About the Company:
Bitcastle is a cryptocurrency exchange platform which aims to create a new age of exchange where everyone can use it safely and have fun. As we expand and take a more active approach to global expansion, bitcastle is looking to hire a Full-Time Listing Business Development to drive growth by leading end-to-end sales initiatives and strategic collaborations in the blockchain and crypto sector, while coordinating cross-functional teams and staying ahead of market trends through continuous research and industry engagement.
About the Role:
- Identify new business opportunities, expand and execute strategic partnerships
- Look for new listing sales opportunities in Blockchain and crypto space
- Manage the listing sales pipeline, from researching, sourcing, contacting, negotiating, converting and following up with clients
- Liase and coordinate with marketing, product, customer support and operations teams to ensure smooth delivery of products
- Assess and monitor key indicators of cryptocurrency projects and evaluating the effectiveness of partnership and campaign initiatives
- Monitor market trends and conducting R&D in the cryptocurrency market
- Participate in overseas exhibitions and events as required and network with potential business partners
Requirements:
- Business level English
- Minimum 1 year of BD/sales experience in crypto/blockchain space
- Familiar with cryptocurrency or blockchain technology
- Capabilities of develop global customer relationships independently
- Good relationship with team and cross functional communication skill
- Fast learner, hard worker and team player
Ideal Candidate:
- Have a good sense of cooperation and working with a team
-Able to act independently and proactively
- Experience in customer negotiation
- Business level Japanese
Bitcastle is a cryptocurrency exchange platform which aims to create a new age of exchange where everyone can use it safely and have fun. As we expand and take a more active approach to global expansion, bitcastle is looking to hire a Full-Time Listing Business Development to drive growth by leading end-to-end sales initiatives and strategic collaborations in the blockchain and crypto sector, while coordinating cross-functional teams and staying ahead of market trends through continuous research and industry engagement.
About the Role:
- Identify new business opportunities, expand and execute strategic partnerships
- Look for new listing sales opportunities in Blockchain and crypto space
- Manage the listing sales pipeline, from researching, sourcing, contacting, negotiating, converting and following up with clients
- Liase and coordinate with marketing, product, customer support and operations teams to ensure smooth delivery of products
- Assess and monitor key indicators of cryptocurrency projects and evaluating the effectiveness of partnership and campaign initiatives
- Monitor market trends and conducting R&D in the cryptocurrency market
- Participate in overseas exhibitions and events as required and network with potential business partners
Requirements:
- Business level English
- Minimum 1 year of BD/sales experience in crypto/blockchain space
- Familiar with cryptocurrency or blockchain technology
- Capabilities of develop global customer relationships independently
- Good relationship with team and cross functional communication skill
- Fast learner, hard worker and team player
Ideal Candidate:
- Have a good sense of cooperation and working with a team
-Able to act independently and proactively
- Experience in customer negotiation
- Business level Japanese
bitcastle .
Chief Technology Officer (Japanese Speaking)
Singapore
Singapore
Full time
Remote
Job description:
Bitcastle is a cryptocurrency exchange platform which aims to create a new age of exchange where everyone can use it safely and have fun. As we expand and take a more active approach to global expansion, bitcastle is looking to hire a Full-Time Japanese speaking Chief Technology Officer to lead our engineering team.As frequent communication with Japan and Vietnam entities is required, this role will require Japanese language proficiency and will be fully remote at the moment.
– Formulate strategy and establish the technical vision for the business
– Preparation of specifications and design documents for product development
– Project management of the development process, including quality control
– Define and refine engineering workflows, tech architecture and infrastructure
– Build, develop, lead a world class engineering team
Requirements:
– Experience as a CTO or in a similar technology leadership role in cryptocurrency exchanges or brokerage firms.
– Strong leadership capabilities – with proven success of building, developing and leading an engineering team
– Experience in development using Python, PHP and NodeJS
– Project management experience
– Business level English
– Business level Japanese language skills (JLPT N2 and above) to communicate with Japan and Vietnam entity without need for translator
Ideal Candidate:
– Has project management experience
– Has experience as CTO or similar role in a startup
– Knowledge and interest in cryptocurrency
Project Frameworks and Languages:
– Backend: nestJS(Node JS), Laravel (PHP),Python
– Database: Redis, My SQL
– Frontend: Vue JS
– Mobile: React Native, Android Native, Swift
– DevOps: Git, CI/CD, Docker, Jenkins, GitLabCD
– Cloud: AWS
Bitcastle is a cryptocurrency exchange platform which aims to create a new age of exchange where everyone can use it safely and have fun. As we expand and take a more active approach to global expansion, bitcastle is looking to hire a Full-Time Japanese speaking Chief Technology Officer to lead our engineering team.As frequent communication with Japan and Vietnam entities is required, this role will require Japanese language proficiency and will be fully remote at the moment.
– Formulate strategy and establish the technical vision for the business
– Preparation of specifications and design documents for product development
– Project management of the development process, including quality control
– Define and refine engineering workflows, tech architecture and infrastructure
– Build, develop, lead a world class engineering team
Requirements:
– Experience as a CTO or in a similar technology leadership role in cryptocurrency exchanges or brokerage firms.
– Strong leadership capabilities – with proven success of building, developing and leading an engineering team
– Experience in development using Python, PHP and NodeJS
– Project management experience
– Business level English
– Business level Japanese language skills (JLPT N2 and above) to communicate with Japan and Vietnam entity without need for translator
Ideal Candidate:
– Has project management experience
– Has experience as CTO or similar role in a startup
– Knowledge and interest in cryptocurrency
Project Frameworks and Languages:
– Backend: nestJS(Node JS), Laravel (PHP),Python
– Database: Redis, My SQL
– Frontend: Vue JS
– Mobile: React Native, Android Native, Swift
– DevOps: Git, CI/CD, Docker, Jenkins, GitLabCD
– Cloud: AWS
Doris Tang
Korean Growth Lead
Full time
Remote
Roles & ResponsibilitiesSynFutures is looking to hire a Korea Growth Lead assisting the management of local communities. Responsibilities include:Foster strategic partnerships on a regional scale, with a particular emphasis on marketing partners, key opinion leaders (KOLs), media networks, and web3 ecosystem projects. Continuously analyze performance and provide valuable feedback to enhance collaborative efforts.Proactively expand the user base, token holders, and communities prioritizing localized growth.Strategize and execute marketing schedules and events, meticulously measuring their effectiveness and return on investment (ROI).Develop and manage online community channels to facilitate effective communication and engagement.Solicit user and community feedback, acting as a liaison between the product manager, tech team, and community to drive continuous product improvements.RequirementsBachelor degree or above.At least 2-3 years experience in blockchain, cryptocurrency, or financial services, with a focus in marketing or business development.Language: Native Korean + English proficiency preferred. Other languages like Mandarin and Japanese are a plus.Passionate about blockchain and DeFi. Independently minded and self-motivated. For more details, please read: https://synfutures.notion.site/korea-growth-lead
bitcastle .
KOL Business Development
City Of Manila, Philippines
City Of Manila, Philippines
Full time
Remote
About the Company
Bitcastle is a cryptocurrency exchange platform which aims to create a new age of exchange where everyone can use it safely and have fun. As we expand and take a more active approach to global expansion, bitcastle is looking to hire a Full-Time KOL Business Development to join our team.
About the Role
We are seeking a dynamic and results-driven KOL Business Development to drive user growth and enhance brand visibility for our exchange. In this role, you will be responsible for identifying, engaging, and nurturing relationships with local KOLs, influencers, communities, projects, and strategic partners to promote our platform.
- Identify and build relationships with local KOLs/influencers/, communities, projects, and other potential partners to promote the exchange in order to achieve user growth.
- As a representative of the exchange, to build and maintain a good relationship with KOLs and marketing channels to achieve long-term partnership
- Be responsible for the execution and performance of KOL marketing strategy, track and analyze results, and make adjustments to ensure optimal performance and maximum ROI.
- Stay updated with local industry developments trends, conduct market research and create strategies when required
- Attend events as a representative of the exchange when required, expand network and bring in more leads for the exchange
Requirements:
- Experience as KOL BD in similar companies/markets
- Understanding of cryptocurrency
- Fluent in English
Preferred Qualification:
- Japanese speaking proficiency
Bitcastle is a cryptocurrency exchange platform which aims to create a new age of exchange where everyone can use it safely and have fun. As we expand and take a more active approach to global expansion, bitcastle is looking to hire a Full-Time KOL Business Development to join our team.
About the Role
We are seeking a dynamic and results-driven KOL Business Development to drive user growth and enhance brand visibility for our exchange. In this role, you will be responsible for identifying, engaging, and nurturing relationships with local KOLs, influencers, communities, projects, and strategic partners to promote our platform.
- Identify and build relationships with local KOLs/influencers/, communities, projects, and other potential partners to promote the exchange in order to achieve user growth.
- As a representative of the exchange, to build and maintain a good relationship with KOLs and marketing channels to achieve long-term partnership
- Be responsible for the execution and performance of KOL marketing strategy, track and analyze results, and make adjustments to ensure optimal performance and maximum ROI.
- Stay updated with local industry developments trends, conduct market research and create strategies when required
- Attend events as a representative of the exchange when required, expand network and bring in more leads for the exchange
Requirements:
- Experience as KOL BD in similar companies/markets
- Understanding of cryptocurrency
- Fluent in English
Preferred Qualification:
- Japanese speaking proficiency