Senior Scala Software Engineer
Status
Paris, France
Full time
Hybrid
Compensation is not specified
Role
Software Engineer
Description
Founded in 2014, Ledger is a leading global platform for digital assets and Web3, with a specialized focus on enhancing accessibility and security for all users. The company's diverse team, spread across locations in Paris, Vierzon, UK, US, Switzerland, and Singapore, is dedicated to developing innovative products and services that empower individuals and organizations to securely engage with crypto assets.
The Backend Blockchain Team at Ledger is responsible for creating and maintaining core Ledger blockchain infrastructure, transactional data services, and indexing layers. Utilizing Scala for backend services and tooling, the team of passionate Engineers emphasizes functional programming to ensure the development of robust and scalable platforms. Regular knowledge-sharing and community involvement through meetups, conferences, and open-source contributions are also core aspects of the team culture.
In this role, you will play a vital part in:
- Developing highly resilient and high-performance services to support Ledger's products.
- Leveraging functional programming concepts with Scala (Typelevel stack).
- Administering extensive and performance-sensitive PostgresSQL deployments.
- Managing a large number of blockchain nodes in a scalable manner.
- Conducting performance evaluations to pinpoint inefficiencies and enhance overall service performance.
- Ensuring the delivery of top-tier software through rigorous testing, documentation, and demonstration protocols.
- Establishing monitoring systems to identify unforeseen failures and anomalies.
- Implementing CI/CD practices for secure deployment workflows.
The ideal candidate will possess:
- Proficiency in backend services programming within a transactional context.
- Strong knowledge of relational database systems, SQL, and Linux operating systems.
- The ability to collaborate effectively in a rapidly evolving environment, demonstrating autonomy and a proactive learning approach.
- Experience with continuous integration and deployment solutions, as well as containerization and cloud deployments.
- An interest in cryptocurrencies and a willingness to engage with blockchain technology.
- A passion for team collaboration, continuous learning, and sharing knowledge through various avenues.
Highlights of the benefits package offered by Ledger include:
- Stock options to allow employees to share in the company's growth and success.
- Hybrid work policy for flexibility.
- Annual company outings, social events, and wellness initiatives.
- Comprehensive health insurance coverage and wellness programs.
- Generous paid leave, including vacation days and RTT days.
- Access to state-of-the-art office equipment and technology.
- Transportation reimbursement and employee discounts on products.
Ledger promotes a diverse and inclusive workplace, welcoming individuals of all backgrounds and identities.
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.
Status
Sally Xiao
Customer Support (Remote)
Full time
Remote
English and Chinese as working language
Job duties:
1、Be responsible for receiving users’ inquiries and answering concerns through online customer service tools.
2、Be agile to send feedback of users’ problems, do a good job of collecting and organizing problems.
3、Be proficient in English. With Chinese，Malaysian,Korean and other language skills will be preferred.
4、Have strong business sensitivity, be able to master the basic business after training. With Cryptocurrency related knowledge and experience is preferred.
5、Be thoughtful about daily work and good at finding obstacle points in users’ experience, digging users’ needs, and promoting problem solution and processing optimization.
6、Be adaptive to shift work for both day and night shifts.
Job requirements.
1、Have good logical thinking ,be able to judge the real needs of users.
2、Be enthusiastic about customer service , responsible for customer experience , and be able to provide comprehensive solutions to problems.
3、Be able to adjust communication method effectively according to different users’ requests and needs.
4、Possess self-management skills and be able to work independently in an ever-changing and fast-paced environment.
5、Have good learning ability, be good at discovering and self-summary.
6、Be experienced in providing support to customers by online chat services, email, and tickets.
7、Have good communication skills, good presentation skills, strong affinity, hard-working ability, good pressure-bearing ability.
Job duties:
1、Be responsible for receiving users’ inquiries and answering concerns through online customer service tools.
2、Be agile to send feedback of users’ problems, do a good job of collecting and organizing problems.
3、Be proficient in English. With Chinese，Malaysian,Korean and other language skills will be preferred.
4、Have strong business sensitivity, be able to master the basic business after training. With Cryptocurrency related knowledge and experience is preferred.
5、Be thoughtful about daily work and good at finding obstacle points in users’ experience, digging users’ needs, and promoting problem solution and processing optimization.
6、Be adaptive to shift work for both day and night shifts.
Job requirements.
1、Have good logical thinking ,be able to judge the real needs of users.
2、Be enthusiastic about customer service , responsible for customer experience , and be able to provide comprehensive solutions to problems.
3、Be able to adjust communication method effectively according to different users’ requests and needs.
4、Possess self-management skills and be able to work independently in an ever-changing and fast-paced environment.
5、Have good learning ability, be good at discovering and self-summary.
6、Be experienced in providing support to customers by online chat services, email, and tickets.
7、Have good communication skills, good presentation skills, strong affinity, hard-working ability, good pressure-bearing ability.
Payment in Crypto
Sally Xiao
Business Development (Remote)
Full time
Remote
Job Title: Business Development
Job type: Full-time, remoteKey Responsibilities:
1. Develop and execute strategies to grow the derivatives trading user base intarget regions.
2. Build and manage partnerships with institutional clients and key ecosystemplayers.
3. Identify market trends, user needs, and competitor activities to drive productand service enhancements.
4. Collaborate with internal teams to optimize product offerings and campaigns fortarget markets.
Qualifications:
1. Proven experience in business development or sales in the crypto/financialindustry.
2. Strong understanding of derivatives trading and market dynamics.
3. Excellent communication and negotiation skills.
Job type: Full-time, remoteKey Responsibilities:
1. Develop and execute strategies to grow the derivatives trading user base intarget regions.
2. Build and manage partnerships with institutional clients and key ecosystemplayers.
3. Identify market trends, user needs, and competitor activities to drive productand service enhancements.
4. Collaborate with internal teams to optimize product offerings and campaigns fortarget markets.
Qualifications:
1. Proven experience in business development or sales in the crypto/financialindustry.
2. Strong understanding of derivatives trading and market dynamics.
3. Excellent communication and negotiation skills.
Payment in Crypto
den moder
Crypto Community Manager for Telegram
Full time
Remote
Hey everyone!
Our team is looking for a community manager to moderate and actively engage in multiple Telegram groups.
Responsibilities:
Keep chats active
Respond to members questions
Moderate the group
This is a full-time position (8 hours per day) with a salary of $100 per group. We manage multiple groups, so there’s an opportunity to earn more.
Requirements:
High-level English proficiency
Strong knowledge of the crypto space
Payment is in crypto only.
Our team is looking for a community manager to moderate and actively engage in multiple Telegram groups.
Responsibilities:
Keep chats active
Respond to members questions
Moderate the group
This is a full-time position (8 hours per day) with a salary of $100 per group. We manage multiple groups, so there’s an opportunity to earn more.
Requirements:
High-level English proficiency
Strong knowledge of the crypto space
Payment is in crypto only.
Payment in Crypto
Iron Key Capital
Venture Fellow (Part-Time, Remote)
Part time
Remote
About Iron Key Capital:
Iron Key Capital is an investment firm specializing in liquid and venture opportunities in the crypto space. We invest in pre-seed and seed-stage Web3 startups focused on enterprise adoption of utility-driven digital assets. Additionally, we operate a blockchain innovation lab and incubate startups within the Web3 infrastructure sector. Backed by 200+ LPs globally, Iron Key deploys over $1M annually.
Role Overview:
The Venture Fellow program is an 8-week, part-time, remote opportunity designed for individuals eager to develop their skills in venture capital and angel investing. Fellows will gain hands-on experience in early-stage investing, including deal sourcing, due diligence, and pitching investment opportunities.
This program is ideal for aspiring investors, founders, or professionals exploring a career shift into venture capital. Fellows will work closely with seasoned venture capitalists and gain access to Iron Key’s investor community to learn best practices in the field.
Key Responsibilities:
Identify and evaluate early-stage investment opportunities in the Web3 ecosystem.
Conduct market research and due diligence on potential investments.
Collaborate with the Iron Key team on deal sourcing and portfolio management.
Engage with investors and team members to develop investment strategies.
Contribute to thought leadership on topics related to venture capital and Web3 innovation.
Qualifications:
Strong analytical and problem-solving skills to evaluate investment opportunities.
Excellent communication and interpersonal skills for engaging with team members and stakeholders.
Experience in Web3, AI, or related technologies is preferred.
Involvement in startups, entrepreneurial ecosystems, or Web3 communities is a plus.
Aspiring to transition into venture capital or professionalize angel investing skills.
Bonus: Previous experience as a founder or working within early-stage startups.
Program Details:
Duration: 8 weeks (part-time)
Location: Remote
Compensation: Competitive, based on experience
How to Apply:
Submit your application through this link:
https://airtable.com/appfCDlkorF5FL3VZ/pagnjuRX1A7gZjBGc/form
Additional Information:
This program is designed to take the guesswork out of breaking into venture capital or professionalizing angel investing. Successful Fellows may have opportunities to advance into Venture Partner or Core Contributor roles at Iron Key.
Iron Key Capital is an investment firm specializing in liquid and venture opportunities in the crypto space. We invest in pre-seed and seed-stage Web3 startups focused on enterprise adoption of utility-driven digital assets. Additionally, we operate a blockchain innovation lab and incubate startups within the Web3 infrastructure sector. Backed by 200+ LPs globally, Iron Key deploys over $1M annually.
Role Overview:
The Venture Fellow program is an 8-week, part-time, remote opportunity designed for individuals eager to develop their skills in venture capital and angel investing. Fellows will gain hands-on experience in early-stage investing, including deal sourcing, due diligence, and pitching investment opportunities.
This program is ideal for aspiring investors, founders, or professionals exploring a career shift into venture capital. Fellows will work closely with seasoned venture capitalists and gain access to Iron Key’s investor community to learn best practices in the field.
Key Responsibilities:
Identify and evaluate early-stage investment opportunities in the Web3 ecosystem.
Conduct market research and due diligence on potential investments.
Collaborate with the Iron Key team on deal sourcing and portfolio management.
Engage with investors and team members to develop investment strategies.
Contribute to thought leadership on topics related to venture capital and Web3 innovation.
Qualifications:
Strong analytical and problem-solving skills to evaluate investment opportunities.
Excellent communication and interpersonal skills for engaging with team members and stakeholders.
Experience in Web3, AI, or related technologies is preferred.
Involvement in startups, entrepreneurial ecosystems, or Web3 communities is a plus.
Aspiring to transition into venture capital or professionalize angel investing skills.
Bonus: Previous experience as a founder or working within early-stage startups.
Program Details:
Duration: 8 weeks (part-time)
Location: Remote
Compensation: Competitive, based on experience
How to Apply:
Submit your application through this link:
https://airtable.com/appfCDlkorF5FL3VZ/pagnjuRX1A7gZjBGc/form
Additional Information:
This program is designed to take the guesswork out of breaking into venture capital or professionalizing angel investing. Successful Fellows may have opportunities to advance into Venture Partner or Core Contributor roles at Iron Key.
Iron Key Capital
Venture Scout
Full time
Remote
Venture Scout (Part-Time, Remote) - Iron Key Capital
Location: Remote (Global)
About Iron Key Capital:
Iron Key Capital is an investment firm specializing in liquid and venture opportunities in the crypto space. We invest in pre-seed and seed-stage Web3 startups focused on enterprise adoption of utility-driven digital assets. Additionally, we operate a blockchain innovation lab and incubate startups within the Web3 infrastructure sector. Backed by 200+ LPs globally, Iron Key deploys over $1M annually.
Role Overview:
The Venture Fellow program is an 8-week, part-time, remote opportunity designed for individuals eager to develop their skills in venture capital and angel investing. Fellows will gain hands-on experience in early-stage investing, including deal sourcing, due diligence, and pitching investment opportunities.
This program is ideal for aspiring investors, founders, or professionals exploring a career shift into venture capital. Fellows will work closely with seasoned venture capitalists and gain access to Iron Key’s investor community to learn best practices in the field.
Key Responsibilities:
Identify and evaluate early-stage investment opportunities in the Web3 ecosystem.
Conduct market research and due diligence on potential investments.
Collaborate with the Iron Key team on deal sourcing and portfolio management.
Engage with investors and team members to develop investment strategies.
Contribute to thought leadership on topics related to venture capital and Web3 innovation.
Qualifications:
Strong analytical and problem-solving skills to evaluate investment opportunities.
Excellent communication and interpersonal skills for engaging with team members and stakeholders.
Experience in Web3, AI, or related technologies is preferred.
Involvement in startups, entrepreneurial ecosystems, or Web3 communities is a plus.
Aspiring to transition into venture capital or professionalize angel investing skills.
Bonus: Previous experience as a founder or working within early-stage startups.
Program Details:
Duration: 8 weeks (part-time)
Location: Remote
Compensation: Competitive, based on experience
How to Apply:
Submit your application through this link:
https://airtable.com/appfCDlkorF5FL3VZ/pagnjuRX1A7gZjBGc/form
Additional Information:
This program is designed to take the guesswork out of breaking into venture capital or professionalizing angel investing. Successful Fellows may have opportunities to advance into Venture Partner or Core Contributor roles at Iron Key.
Location: Remote (Global)
About Iron Key Capital:
Iron Key Capital is an investment firm specializing in liquid and venture opportunities in the crypto space. We invest in pre-seed and seed-stage Web3 startups focused on enterprise adoption of utility-driven digital assets. Additionally, we operate a blockchain innovation lab and incubate startups within the Web3 infrastructure sector. Backed by 200+ LPs globally, Iron Key deploys over $1M annually.
Role Overview:
The Venture Fellow program is an 8-week, part-time, remote opportunity designed for individuals eager to develop their skills in venture capital and angel investing. Fellows will gain hands-on experience in early-stage investing, including deal sourcing, due diligence, and pitching investment opportunities.
This program is ideal for aspiring investors, founders, or professionals exploring a career shift into venture capital. Fellows will work closely with seasoned venture capitalists and gain access to Iron Key’s investor community to learn best practices in the field.
Key Responsibilities:
Identify and evaluate early-stage investment opportunities in the Web3 ecosystem.
Conduct market research and due diligence on potential investments.
Collaborate with the Iron Key team on deal sourcing and portfolio management.
Engage with investors and team members to develop investment strategies.
Contribute to thought leadership on topics related to venture capital and Web3 innovation.
Qualifications:
Strong analytical and problem-solving skills to evaluate investment opportunities.
Excellent communication and interpersonal skills for engaging with team members and stakeholders.
Experience in Web3, AI, or related technologies is preferred.
Involvement in startups, entrepreneurial ecosystems, or Web3 communities is a plus.
Aspiring to transition into venture capital or professionalize angel investing skills.
Bonus: Previous experience as a founder or working within early-stage startups.
Program Details:
Duration: 8 weeks (part-time)
Location: Remote
Compensation: Competitive, based on experience
How to Apply:
Submit your application through this link:
https://airtable.com/appfCDlkorF5FL3VZ/pagnjuRX1A7gZjBGc/form
Additional Information:
This program is designed to take the guesswork out of breaking into venture capital or professionalizing angel investing. Successful Fellows may have opportunities to advance into Venture Partner or Core Contributor roles at Iron Key.