Senior Node.js Developer (AWS, GraphQL)

We are seeking a Senior Node.js Developer to join our team and take full ownership of the App Orchestration (BFF) layer.You will work on stabilizing production systems, enabling new features, and evolving our architecture alongside cross-functional teams. If you are passionate about backend development and cloud technologies, we encourage you to apply. ResponsibilitiesTake operational ownership of the App Orchestration (BFF) layerIdentify, investigate, and implement fixes for recurring production issuesDevelop backend APIs and logic to support high-priority product initiativesAnalyze current architecture and contribute to the roadmap for evolution and refactoringCollaborate with engineers, product managers, and platform teams to ensure robust and scalable solutionsSupport backend needs of the Web team and contribute to shared technical strategyProvide clear communication of technical problems and solutions to stakeholdersWork closely with frontend engineers to understand and address their backend requirementsMaintain production-grade Node.js applications with a focus on stability and performanceDrive technical investigations and resolve complex problems autonomously RequirementsMinimum 3 years of experience in Node.js and TypeScript with production-grade applicationsProficient in GraphQL schema design, resolver development, and federated GraphQL architectureSolid understanding of REST API principles and integration experienceProven experience with AWS services, including Lambda, S3, CloudFront, CloudWatch, and IAMPractical knowledge of caching strategies, including in-memory, distributed cache, and CDN/edge cachingFamiliarity with DevOps practices, infrastructure as code, and CI/CD pipelines such as GitHub ActionsExperience integrating with CMS platforms, specifically ContentStackStrong problem-solving skills with the ability to debug and improve complex codebasesOwnership mentality with proactive responsibility for system health and stabilityExcellent communication skills for technical and non-technical audiencesCollaborative mindset with experience working closely with frontend teamsEnglish proficiency level B2 or higher We offerWith us you can:Work on a flexible schedule remotely or from any of our comfortable offices or coworking spaces in UkraineReceive the necessary equipment to perform your work tasksChange projects and technology stacks within EPAMGain experience in various business domains (Insurance, E-commerce, Healthcare, Finance, Travelling, Media, Artificial Intelligence, and more)Relocation opportunities may be available for eligible candidates, depending on the role and openings at other EPAM locationsParticipate in volunteer, charity programs and communities (both technical and interest-based)We focus on your professional growth:You can plan your individual career path together with your managerReceive regular feedback from colleaguesImprove your English for free with certified teachers (Speaking Clubs, client interview preparation courses, etc.)Get the opportunity to undergo free training and certification in AWS, GCP, or Azure CloudsUse the internal E-learn training program (18,200+ specialized training and mentoring programs)Access corporate accounts on LinkedIn Learning, Get Abstract and other partner resourcesStudy at EPAM Solution Architecture School with the instructors who are practicing architectsDevelop as a leader, join Delivery Management, Resource Management, Leadership Essentials school and moreParticipate in internal communities (500+ meetups, technical discussions, brainstorming sessions, online events and conferences annually)What we offer:Vacation and sick leave (including a sick leave without a medical certificate)A wide range of Voluntary Medical Insurance programs providing both medical treatment and various preventive options (including sports activities)Medical insurance for family members at corporate ratesCompany support during significant life events (childbirth or adoption, marriage, etc.)Support for psychological comfort: discounts on services from mental health specialists or coaches, thematic trainingE-kids program - a free programming language training program for EPAMers' children Kindly note that this role supports remote work, but only from within Ukraine. Kindly be advised that the set of benefits, including learning, certification, and other opportunities, may vary depending on the role you apply for. Our recruiter will be able to share more details about the specific opportunity during your general interview. EPAM strives to provide its global team of over 61,700 professionals in more than 55 countries with opportunities for professional growth from day one of collaboration. Our colleagues are the source of EPAM's success, so we value cooperation, strive to always understand our clients' business and aim for the highest quality standards. No matter where you are, you will join a dedicated, diverse community that will help you realize your potential to the fullest.