Coinflow

Backend Engineer

Posted: Oct 17, 2025

Job Description

Company SummaryAt Coinflow, our goal is to make crypto payment smooth, secure, and scalable. To do so, we are building a crypto payment processor that can handle hundreds and millions of transactions on a daily basis.We are an internal initiative started from an established corporation. Our primary goal is to support our parent company in handling crypto payments. We are a small, committed, and independent team that is rapidly growing.If you share our vision and want to be part of the transforming force for the digital payment scene, come and join us!Job SummaryYou will be responsible for successful execution and delivery of technical aspects of enterprise-level projects, either individually or as part of the development team. You will work closely with the Product Manager to ensure Coinflow’s technological developments and operational components are delivered on time and to specifications. You will be leading the technical development of the software, managing the infrastructure, and working with other developer(s) to deliver features.Tech StackBackend: Java/Spring/MavenDatabase: PostgreSQL, RedisHosting: AWS EC2, S3, RDS, and FargateKey ResponsibilitiesInteract with business and technical stakeholders to understand requirements, challenges and expectationsEnsure quality of deliverables to the satisfaction of the customer and end user expectationCollaborate with the product team to implement robust, high performance, data-driven web applicationsDesign, build, and maintain the core infrastructure with a focus on extensibility and scalabilityProvide insight into modernizing legacy platforms to the latest and greatest technologiesSolve complex problems with innovative and elegant design and deliveryIntegrate third party technology into Coiniflow’s tech stack, or vice versaEnforce coding standards and set a high standard for code qualitySkills and QualificationsAt least 3 years of demonstrable experience with backend developmentExpert knowledge of JavaExperienced with AWS, as well as general DevOps and DBA responsibilitiesExcellent organizational skills and attention to detailAbility to work independently and remotely while maintaining open lines of communication with others across the organizationAbility to accept feedback and constructive criticism positivelyFull professional proficiency of English language skillsInspired by the startup environment where a sense of initiative is keyBonus point if you have worked on crypto projects beforeBenefits100% remote workingFlexible working hoursPaid time offAutonomy to build technical solutions without micro-managementSmall enough that you can have an impact with your codeBacked by established company so you have enough job security

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