Reap logo
Reap

Global financial infrastructure powered by stablecoins

Senior Software Engineer/Tech Lead, Web3 Initiatives – Backend-focused

Backend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 201-500Since 2018H1B No SponsorCompany SiteLinkedIn

Location

Worldwide

Posted

14 days ago

Salary

0

Seniority

Senior

Job Description

Senior Software Engineer/Tech Lead, Web3 Initiatives – Backend-focused

Reap

• Own CaaS web3 capabilities — build secure, scalable blockchain systems for card-as-a-service, asset management, and financial use cases • Lead wallet infrastructure discovery and development — architecting wallet solutions that support Reap's product roadmap • Build backend services (Node.js/TypeScript) to support on-chain functionality, working closely with backend engineering • Collaborate with product and business teams to translate ideas into clear, secure technical execution • Contribute to architecture decisions, code reviews, and security audits • Leverage AI tools and modern development practices to drive engineering efficiency and velocity

Job Requirements

  • 5-8+ years in software development, ideally with backend engineering experience in Node.js/TypeScript and AWS (or similar cloud infrastructure)
  • Experience building wallet infrastructure (hot/cold wallet)
  • Strong product sense and ability to take end-to-end ownership of technical initiatives
  • Demonstrated use of AI tools to boost development efficiency
  • Clear communication, collaboration, and commitment to code quality
  • Fintech sector experience ideal
  • Nice to Have
  • Experience with DeFi protocols, cross-chain integrations, or account abstraction
  • 3+ years building smart contracts on Solana (Rust) or Ethereum (Solidity), with strong expertise in at least one and openness to developing in a multi-chain environment
  • Knowledge of finance systems or payments products (especially card issuance or stablecoin-powered payments)
  • Startup experience where you've worn multiple hats

Benefits

  • A high-impact role in a rapidly growing fintech startup
  • Flexible hybrid work environment with a global, collaborative team
  • Insurance coverage after probation
  • Reap Card stipend
  • Use of AI tools at work — and the space to learn, experiment, and grow with them
  • A culture of innovation, inclusion, and continuous learning

Related Job Pages

More Backend Engineer Jobs

Full TimeRemoteTeam 201-500

Role Description We are looking for a skilled individual to join our rapidly growing team at Bluelight Consulting. This position is ideal for someone who thrives in a fast-paced, dynamic environment where everyone's opinions and efforts are valued and appreciated. You will have the opportunity to contribute to challenging and meaningful projects, developing high-quality applications that stand out in the market. We value continuous learning, personal growth, and hard work, offering a collaborative environment that promotes professional development. If you are passionate about software development and eager to be part of a growing software consultancy, we invite you to apply and join us on this exciting journey. Qualifications - 4+ years of experience with Laravel, specifically with Laravel 8 and above. - Experience with: - Eloquent ORM - Laravel Authentication - Laravel Query Builder - Experience with testing tools, such as Pest PHP, PHPUnit, Laravel Dusk, Playwright. - Experience with Inertia.js and RESTful API in Laravel. - Experience with frontend development (React, Vue.js, Laravel Livewire, etc). - Bonus points if you have experience with Tailwind CSS. - Ability to take extreme ownership over your work. - Ability to identify with Bluelight's clients' goals and dedicate yourself to delivering on the commitments you and your team make to them. - A positive mindset and a can-do attitude. - Forensic attention to detail. Benefits - Competitive salary and bonuses, including performance-based salary increases. - Generous paid-time-off policy. - Flexible working hours. - Work remotely. - Continuing education, training, conferences. - Company-sponsored coursework, exams, and certifications.

Latin America (LATAM)
Full TimeRemoteTeam 11-50H1B No Sponsor

• Provide technical leadership in the design, integration, implementation, and transition of enterprise SaaS human services system • Flexible design architectural approach to deliver configurability along the data creation, integrations, workflows, notifications, and data persistence • Understand and synthesize integration requirements, and develop recommendations based on business objectives, product roadmap, solution architecture and technical considerations • Contribute to the development of our platform functionality using state-of-the-art frameworks and tools • Specify and troubleshoot API integrations in an ecosystem of multiple systems • Work closely with client stakeholders, partners, product managers, creative designers, platform architect, and other software engineers • Constantly learn and use leading-edge technologies • Implement a system that will address the needs of vulnerable populations • Contribute to the highest security, extensibility, reusability and testing standards in system architecture and software, interface, components, data structures, and algorithms specifications.

Vietnam
Yopeso logo

Senior Fullstack JavaScript Engineer

Yopeso

Shaping ideas into great products.

Backend Engineer14 days ago
Full TimeRemoteTeam 201-500H1B No Sponsor

• Design, develop, and maintain fullstack applications using JavaScript frameworks • Build responsive and user-friendly interfaces using frontend technologies • Develop robust backend services and APIs • Work with both SQL and NoSQL databases to manage and optimize data • Integrate and consume RESTful APIs • Ensure application performance, scalability, and security • Collaborate with product managers, designers, and other engineers • Participate in code reviews and maintain high coding standards • Contribute to DevOps processes including containerization and deployment

Romania
Job Closed
TEOCO logo

Senior Java Backend Developer

TEOCO

TEOCO is a leading provider of 5G, analytics, assurance & optimization solutions to over 300 CSPs worldwide

Backend Engineer14 days ago
Full TimeRemoteTeam 501-1,000Since 1994H1B Sponsor

• Design, develop, test, and maintain high-performance software applications using Java and related technologies. • Participate in the complete software development lifecycle, including requirements analysis, system design, coding, testing, deployment, and production support. • Develop scalable RESTful APIs and microservices using the Spring ecosystem. • Collaborate with cross-functional teams to deliver robust and scalable solutions. • Build clean, reusable, and maintainable code following industry best practices and coding standards. • Implement and maintain CI/CD pipelines to support automated testing and deployment processes. • Design, deploy, and manage cloud-native applications and infrastructure on AWS and other cloud platforms. • Work with containerized, distributed systems in cloud environments. • Troubleshoot and resolve complex technical issues in enterprise-scale environments. • Optimize application performance, database interactions, and system reliability. • Contribute to technical documentation, peer code reviews, and engineering knowledge-sharing initiatives.

India