CrawlJobs Logo

Typescript software engineer - coin integration

https://www.ledger.com Logo

Ledger

Location Icon

Location:
France , Paris

Category Icon

Job Type Icon

Contract Type:
Not provided

Salary Icon

Salary:

800.00 - 1500.00 EUR / Month

Job Description:

We are seeking a motivated and curious JavaScript/TypeScript developer to join our team for a 6-month internship. This is a unique opportunity to grow as a software engineer, learn how blockchain integrations are built and maintained, and contribute directly to Ledger’s products.

Job Responsibility:

  • Contribute to blockchain integrations by helping integrate and maintain multiple protocols (EVM, Bitcoin, Solana, Polkadot, Cosmos, etc.) within the Ledger ecosystem
  • Build and improve connectivity solutions that allow Ledger products to interact seamlessly with the broader Web3 ecosystem (Wallet API, Wallet Connect, Dapp integrations)
  • Develop your engineering skills through hands-on work in JavaScript and TypeScript, using frameworks such as Node.js and React, while applying clean code and modular design principles
  • Collaborate with multidisciplinary teams, participating in agile ceremonies, code reviews, and cross-functional discussions to understand how software projects are delivered at scale
  • Learn blockchain from the inside, discovering how various protocols operate and connect with hardware wallets

Requirements:

  • Currently enrolled in a Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field
  • Strong programming skills in JavaScript or TypeScript, with experience in Node.js or React (from coursework or personal projects)
  • Eagerness to learn about blockchain, Web3, and modern software practices
  • Good communication and teamwork skills, with the ability to collaborate in a dynamic, fast-paced environment
  • Interest in software craftsmanship, writing maintainable, well-structured code and exploring functional programming concepts
  • Familiarity with agile workflows and openness to feedback and iteration
What we offer:
  • Social: Frequent social events, snacks and drinks
  • Transportation allowance: Ledger offers a commuter allowance to contribute to your preferred means of transportation
  • Lunch vouchers: Ledger offers a meal allowance with Swile
  • Vacation: 1 day off for every full month of work, in addition to national holidays

Additional Information:

Job Posted:
March 20, 2026

Employment Type:
Fulltime
Job Link Share:

Looking for more opportunities? Search for other job offers that match your skills and interests.

Briefcase Icon

Similar Jobs for Typescript software engineer - coin integration

Staff Software Engineer - Coin Integration

As a Senior Engineer on the Coin Integration Team at Ledger, you will play a key...
Location
Location
France , Paris
Salary
Salary:
Not provided
https://www.ledger.com Logo
Ledger
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong proficiency in JavaScript, TypeScript, Node.js, and React
  • Familiarity with agile project teams and methodologies
  • Excellent problem-solving abilities with a strategic mindset regarding blockchain integrations and product outcomes
  • Exceptional communication and interpersonal skills, capable of contributing to a collaborative and innovative team environment
Job Responsibility
Job Responsibility
  • Integrate Diverse Blockchains
  • Design and implement strategies for blockchain integration
  • Work closely with product management, software development, and quality assurance teams
  • Address complex blockchain integration challenges
  • Provide guidance and share expertise with team members
  • Apply agile best practices
  • Engage in regular agile ceremonies
  • Encourage a culture of feedback and innovation
What we offer
What we offer
  • Equity
  • Flexibility
  • Annual company outing
  • Frequent social events
  • Comprehensive health insurance policy
  • Personal development, coaching & fitness
  • Five weeks of paid leave per year
  • Access to high performance office equipment
  • Ledger reimburses part of your preferred means of transportation
  • Employee discount on all our products
  • Fulltime
Read More
Arrow Right

Staff Software Engineer - Coin Integration

We’re a team of experts pushing the limits of what’s possible, united by our com...
Location
Location
France , Paris
Salary
Salary:
Not provided
https://www.ledger.com Logo
Ledger
Expiration Date
Until further notice
Flip Icon
Requirements
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
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
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
Read More
Arrow Right
New

Demand Forecast Manager Türkiye & Unica - B&W

As the Demand Fulfillment Manager for the Beauty & Wellbeing category, you will ...
Location
Location
Turkey , Istanbul
Salary
Salary:
Not provided
unilever.com Logo
Unilever
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor’s degree in engineering, Operations, Supply Chain, or equivalent
  • 8+ years of experience in supply chain planning or related roles
  • Experience of managing teams in a hybrid/remote environment
  • Strong understanding of core supply chain planning concepts
  • Proven leadership and project management skills
  • Ability to work in a fast paced, evolving environment
  • Strong strategic thinking, problem solving, and influencing skills
  • Local market experience is essential
  • Strong stakeholder management and collaboration
  • Change leadership and solution driven mindset
Job Responsibility
Job Responsibility
  • Drive harmonized, leading edge demand planning processes and tools to deliver service, inventory, waste, and forecast accuracy targets
  • Build strong cross functional partnerships to enable effective S&OP and business decision making
  • Generate practical, sustainable solutions to operational challenges and support business growth
  • Lead interventions for supply disruptions, ensuring adequate safety stocks
  • Manage inventory to maximize service and minimize waste and residual stock
  • Support Innovation & Renovation through robust planning and simplification
  • Advance future fit capabilities including no touch planning and improved data inputs
  • Develop and execute the category planning framework, including run strategy
  • Own B&W planning KPIs (service, inventory, cost, obsoletes, DBNR) and improvement programs
  • Lead scenario planning, and crisis management
  • Fulltime
Read More
Arrow Right
New

Ai Motion Specialist

We’re looking for a creative AI motion specialist (all genders) with a strong ba...
Location
Location
Germany , Berlin
Salary
Salary:
Not provided
zalando.se Logo
Zalando Sverige
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Minimum 3 years of professional experience in motion graphics, animation, or a comparable creative role, supported by a portfolio that includes AI-driven video or motion work
  • Strong technical proficiency with AI video and motion tools, such as Gemini / Veo or similar generative AI platforms
  • Proven ability to collaborate effectively within cross-functional teams and communicate clearly with colleagues and stakeholders in fluent English
  • Proactive and innovative mindset, with a demonstrated interest in exploring new AI video capabilities and driving creative improvement
  • Excellent time management, adaptability, and resilience in fast-paced environments with evolving tools, shifting requirements, and rapid iteration cycles
Job Responsibility
Job Responsibility
  • Work hands-on with AI video and image generation, including text-to-video and image-to-video pipelines, while contributing to concept-driven creative development
  • Use tools such as Adobe After Effects, Premiere, Photoshop, and other relevant software to produce high-quality motion content
  • Apply a strong aesthetic sensibility, particularly within fashion-focused visuals
  • Stay up to date with industry trends and emerging technologies, integrating innovative techniques into motion projects
  • Manage multiple projects in parallel and deliver high-quality results under tight deadlines
  • Creating AI based motion elements, animations, and visual effects for our digital banners and campaign assets
  • Close collaboration with multiple teams to deliver visually compelling content that is aligned with Zalando’s brand visual language and identities
What we offer
What we offer
  • Employee shares program
  • 40% off fashion and beauty products sold and shipped by Zalando, 30% off Lounge by Zalando, discounts from external partners
  • 2 paid volunteering days a year
  • Hybrid working model with up to 60% remote per week
  • Work from abroad for up to 30 working days a year
  • 27 days of vacation a year to start for full-time employees
  • Relocation assistance available (subject to prior agreement)
  • Family services, including counseling and support
  • Health and wellbeing options (including Wellhub, formerly Gympass)
  • Mental health support and coaching available
  • Fulltime
Read More
Arrow Right
New

Host

Join one of the UK's leading hospitality businesses as a host. In our busy airpo...
Location
Location
United Kingdom , Manchester
Salary
Salary:
12.32 - 12.88 GBP / Hour
jobs.360resourcing.co.uk Logo
360 Resourcing Solutions
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Great people skills
  • Excellent organisational and multitasking abilities
  • Ability to maintain a positive attitude in a fast-paced airport environment
  • Flexibility in hours, airport shifts can start at 3am
  • Be able to provide a 5 year work/education/personal reference history and undertake a criminal record check
Job Responsibility
Job Responsibility
  • Create unforgettable guest experiences
  • Make sure guests holiday's start off right, delivering warm welcomes with a positive attitude to manage the queue at peak times
  • Collaborate with team members to ensure smooth service
  • Maintaining high energy and standards throughout your shift
What we offer
What we offer
  • Free meals on shift
  • Up to 30% discount at all our brands with no limit on number of guests
  • Duty free discounts excluding alcohol and cigarettes
  • Access to a great discount platform, saving you money on everyday purchases
  • Wagestream platform to access your wages as they are earned
  • Superb training and development, apprenticeships open to all
Read More
Arrow Right
New

Software Engineer II (Mobile)

The Microsoft 365 India team is looking for a high calibre and highly motivated ...
Location
Location
India , Hyderabad
Salary
Salary:
Not provided
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
  • OR equivalent experience
  • Ability to design efficient algorithms and data structures and write tight and neat code
  • Independently can handle design and implementation of features of right complexity
  • Any exposure to Office technology, iOS / Android / Azure Services is desirable
  • 4+ years of software development experience with C, C++ or Objective-C/Swift/SwiftUI
  • Ability to quickly pick up existing concepts and employ new techniques and strong problem solving
Job Responsibility
Job Responsibility
  • Implement features in a way it confirms to overall architecture of the area
  • Write automation, create test plan and come up with estimates based on the tasks
  • Quickly learn new areas and to adhere to quality and coding/design practices of the team
  • Be self-driven, proactive, results-oriented and have the commitment to continue to improve with feedback
  • Have exposure to agile methodology and all phases of the development cycle, preferably on large-scale commercial products is desirable
  • Fulltime
Read More
Arrow Right
New

Communication Specialist II

We’re partnering with a leading energy company to find a talented Communication ...
Location
Location
United States , Charlotte
Salary
Salary:
33.00 - 34.00 USD / Hour
onwardsearch.com Logo
Onward Search
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Hands-on experience with digital content management systems, with Sitecore knowledge preferred
  • Familiarity with SEO, accessibility standards, HTML, analytics, and cross-channel integration
  • Strong organizational skills to manage multiple projects and deadlines simultaneously
  • Ability to work independently with minimal supervision
  • Excellent written and oral communication skills
Job Responsibility
Job Responsibility
  • Manage digital content assets across various platforms utilizing content management systems
  • Develop and publish engaging digital content aligned with company standards and branding
  • Ensure timely delivery of projects within budget, meeting strategic goals and audience needs
  • Collaborate with UX designers, copywriters, and graphic designers to produce cohesive digital experiences
  • Provide after-hours web support as part of scheduled rotations, including critical storm or reputation events
What we offer
What we offer
  • Medical, Dental, and Vision Insurance
  • Life Insurance
  • 401(k) Program
  • Commuter Benefit
  • eLearning and Ongoing Training
  • Education Reimbursement
  • Fulltime
Read More
Arrow Right
New

Assistant Shopper Marketing and Trade Category Manager Food

Unilever is currently hiring for Asst. Shopper Marketing&Trade Category Manager ...
Location
Location
Turkey , Istanbul
Salary
Salary:
Not provided
unilever.com Logo
Unilever
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Strong 1C or 1D grade CD experience
  • 3+ years of CD field experience
  • Being eager to work closely with multinational teams and also with top management
  • Demonstrated skills and capabilities in analytical thinking & complex problem solving
  • Strong communication and negotiation skills
  • Storyteller
  • Multi-stakeholder management capability
  • Excellent written and spoken Turkish & English is a must
Job Responsibility
Job Responsibility
  • Working as the key liaison between marketing and sales to plan/deliver category growth by managing internal and customer stakeholders to provide the appropriate marketing tools and customer campaigns
  • Developing/executing annual category and joint business plans with customers
  • Building in store communication and best in class POS strategy across touch points per channel
  • Championing digitalization of shopper marketing strategy
  • Contributing to the overall marketing strategy, plan and brand portfolio strategy as the shopper and trade expert
  • Building and driving Strategies: Business partner with the D4C teams to shape & deliver the Channel strategy online & offline across Retail, FS, Gifting, as well as the CGS (Category growth strategy) and Category trade story
  • Being the Shopper Insight/CMI’s key business partner to lead for the embedding of shopper insight info
  • Leading consumer research activities, CRM tools and translating insights into commercial strategies
  • Optimizing a double digit in-store marketing budget and managing relations with external agencies to ensure that first class service levels
  • Setting and measuring in-store KPIs for field sales teams across channels to ensure everyday perfect execution
  • Fulltime
Read More
Arrow Right