后端开发工程师
Backend Developer
我们公司
Solflare 是全球增长最快的加密货币钱包之一。我们拥有约 400 万月活跃用户，通过我们的平台保护了超过 200 亿美元的数字资产，正在打造通往 Web3 的强大入口。成立于 2021 年，Solflare 现在拥有一支近 150 人的团队，办公室位于萨格勒布、贝尔格莱德和诺维萨德，同时在全球各地还有远程团队。我们的愿景简单而大胆：一个每个人都能使用 Web3 钱包并完全掌控自己资产的世界——实现真正的财务独立。
我们的文化
在 Solflare，我们致力于赋能人们真正拥有并蓬勃发展——从我们的团队开始。我们以好奇心、毅力和强烈的责任感迎接大胆的挑战。在这里，进步意味着快速学习、聪明解决问题，并且不带自我的精神互相支持。你将加入一个不断质疑现状、庆祝共同胜利、永不满足于“足够好”的团队。如果你对成长充满热情——包括你的成长、我们的成长以及社会的成长——你会感到如鱼得水。
职位描述
作为后端开发人员，你将负责开发和维护我们应用程序的后端基础设施，确保高性能、安全性和可扩展性。你将与工程团队的其他成员紧密合作，解决复杂的技术挑战，并构建能够满足加密货币钱包应用独特需求的解决方案。
核心职责：
· 设计和实现可扩展且稳健的后端服务。
· 开发 API 并集成第三方服务和 Solana RPC。
· 管理数据库（PostgreSQL、MongoDB）并确保数据完整性和安全性。
· 使用 Redis 实现缓存机制以提高性能。
· 使用 PrismaJS 进行高效的数据库访问和管理。
· 在云平台（DigitalOcean、Google Cloud Platform）上部署和管理应用程序。
· 使用 BullJS 处理后台任务，使用 Cron 定时执行任务。
· 使用 Jest 编写单元测试和集成测试，确保代码质量和可靠性。
· 与前端开发人员和其他团队成员协作，确保无缝集成。
· 跟踪最新的网页开发和区块链技术趋势。
· 设计和实现微服务架构以提高可扩展性和可维护性。
要求：
· 至少 4 年的后端开发经验，专注于 Web2/Web3 技术。
· 精通 Node.js、Express.js、PostgreSQL、MongoDB、Redis 和 PrismaJS。
· 有使用 Docker、Kubernetes、GraphQL、TypeScript、React、Stripe 等工具的经验。
查看英文原文
About us
Solflare is one of the fastest-growing crypto wallets in the world. With around 4 million monthly active users and over $20 billion in digital assets secured through our platform, we’re building a powerful gateway to Web3. Founded in 2021, Solflare now has a team of nearly 150 people, with offices in Zagreb, Belgrade, and Novi Sad, plus remote teams across the globe. Our vision is simple but bold: a world where everyone uses a Web3 wallet and has full control over their assets – achieving true financial independence.
Our culture
At Solflare, we’re on a mission to empower people to truly own and thrive – starting with our own team. We take on bold challenges with curiosity, grit, and a deep sense of accountability. Here, progress means learning fast, solving smart, and showing up for each other without ego. You’ll join a team where we question the status quo, celebrate shared wins, and never settle for “just good enough.” If you’re excited by growth – yours, ours, and society’s – you’ll feel right at home.
The role
As a Backend Developer, you will be responsible for developing and maintaining the backend infrastructure of our applications, ensuring high performance, security, and scalability. You’ll work closely with the rest of the engineering team to tackle complex technical challenges and build solutions that can handle the unique demands of a crypto wallet app.
Core responsibilities:
· Design and implement scalable and robust backend services.
· Develop APIs and integrate third-party services and Solana RPCs.
· Manage databases (PostgreSQL, MongoDB) and ensure data integrity and security.
· Implement caching mechanisms using Redis for improved performance.
· Work with PrismaJS for efficient database access and management.
· Deploy and manage applications on cloud platforms (DigitalOcean, Google Cloud Platform).
· Utilize BullJS for background job processing and Cron for scheduling tasks.
· Write unit and integration tests using Jest to ensure code quality and reliability.
· Collaborate with frontend developers and other team members to ensure seamless integration.
· Stay updated with the latest trends and technologies in web development and blockchain.
· Design and implement a microservices architecture for scalability and maintainability.
Requirements:
· Minimum of 4 years of experience in backend development with a focus on web2/web3 technologies.
· Proficient in Node.js, Express.js, PostgreSQL, MongoDB, Redis, and PrismaJS.
· Experience with cloud services (Google Cloud Platform, DigitalOcean) and DevOps practices.
· Experience with unit and integrations test using Jest.
· Knowledge of event-based architecture, microservices design patterns, and ability to design scalable systems.
· Excellent problem-solving skills and attention to detail.
· Strong communication and collaboration skills.
Nice to Have:
· Familiarity with blockchain technologies, specifically Solana, is a plus.
· Proficiency in machine learning concepts and experience in applying them to real-world problems.
· Experience in designing and optimizing backends to handle large volumes of data efficiently.
Personality Traits We Value
· Problem-solvers: You see roadblocks as opportunities and don’t wait around for someone else to fix things.
· Self-starters: You take initiative, follow through, and deliver with pride – no excuses, no shortcuts.
· Team players: You thrive in a “we, not me” culture, lifting others up while sharing the load.
· Adaptable minds: You embrace change, question how things are done, and constantly look for better ways.
· Ownership mindset: You own your work end-to-end, communicate openly, and learn from every challenge.
Why Solflare?
· Make an impact: Your work will directly shape how people interact with and understand crypto wallets, empowering users around the globe.
· Work with the best: Collaborate with a talented, driven team across design, engineering, and product to build innovative, user-first experiences.
· Flexibility: Remote or office – up to you. Enjoy a flexible work environment based on trust that supports your well-being and fosters creativity, as well as flexible work time – work when you are most productive, with no micromanagement.
· Perks & benefits: individual education budget, cool team buildings, private health insurance, to name a few.
· Learn about Crypto: No crypto experience? No problem! You’ll be part of a team that will teach you the ropes and help you grow into an expert.
Join us at Solflare and be part of something bigger than yourself. We’re not just reacting to trends; we’re building the future. If you’re ready to push boundaries, challenge assumptions, and make an impact, we want to hear from you.
Apply now and help us shape the future of decentralized finance.