Senior Node.js Backend Engineer | APIs, AWS & PostgreSQL

Europe / Poland / Portugal / Serbia / Spain Akvelon isanAmerican company with offices inSeattle, Mexico, Ukraine, Poland, and Serbia. Our company isanofficial vendor ofMicrosoft and Google. Our clients also include Amazon, Evernote, Intel, HP, Reddit, Pinterest, AT&T, T-Mobile, Starbucks, and LinkedIn. Towork with Akvelon means tobeconnected with the best and brightest engineering teams from around the globe and working with anactual technology stack building Enterprise, CRM, LOB, Cloud, AIand Machine Learning, Cross-Platform, Mobile, and other types ofapplications customized toclient’s needs and processes. About the project: The project is a data-driven platform for a well-established international client in the financial services domain. The platform helps internal teams work with large volumes of structured and unstructured data, supporting analytics, data processing, and business decision-making. The product is a data system that includes dynamic user-facing functionality, APIs, cloud services, and features that help users interact with complex financial and analytical data in a more efficient way. About the role: We are looking for a Full-stack Node.js Engineer with a strong backend focus to help build scalable, API-driven services and product features. The role is mainly focused on Node.js backend development, AWS-based services, PostgreSQL database work, and end-to-end feature ownership. Frontend experience is also important, as the engineer should be comfortable working with modern frontend frameworks and understanding how backend decisions affect the user experience. Requirements: Must have: 5+ years of professional software engineering experience Strong hands-on experience with Node.js backend development Experience building REST APIs, services, or microservices Strong SQL knowledge and hands-on experience with PostgreSQL Practical experience with AWS services such as Lambda, EC2, RDS, S3, and API Gateway Experience with at least one modern frontend framework: React, Vue, or Angular Experience owning features end-to-end, from requirements and implementation to release Good understanding of scalable, maintainable, cloud-native application architecture Ability to work in an international team and communicate clearly in English Nice to have: Exposure to AI/ML-related product features or data-driven functionality Experience working with data extraction, data processing, or analytics-related products Experience in financial services, consulting, investment, or enterprise technology projects Ability to understand business requirements and translate them into technical solutions Experience with performance optimization and database query tuning Previous experience building internal platforms, dashboards, workflow tools, or user-facing business applications Overlap :stay available until 8-9 PM CET This position is open only to candidates based in Europe / Latam and is not open to U.S.-based applicants. Working conditions and benefits: Flexible working schedule: 8 hours per day , 40 hours per week Paid vacation, sick leave (without a sickness list) Official state holidays – 11 days considered public holidays Professional growth while attending challenging projects and the possibility to switch your role, master new technologies and skills with company support Personal Career Development Plan (CDP) Employee support program (Discount, Care, Health, Legal compensation) Paid external training, conferences, and professional certification that meet the company’s business goals Internal workshops & seminars Corporate library (Paper/E-books) and internal English classes. Step into your future – apply now and send us your CV. Apply for Full-stack Node.js Engineer / Backend-leaning First Name * Last Name * Email * Phone * Comment Drop your CV, or browse Support Docs, Docx, PDF, max size 3 MB #J-18808-Ljbffr