Senior Developer Back-End Golang (Short-Term Contract)For over 15 years, ArcTouch has created lovable apps, websites, and connected experiences for world-class companies, leading brands, and innovative startups.On a typical day with us you will:Design, develop, and maintain robust, scalable, and high-performance backend services using Golang;Architect and implement solutions leveraging AWS cloud services to ensure reliability and efficiency;Contribute to the design and evolution of our microservices architecture, ensuring seamless integration and optimal performance;Collaborate closely with cross-functional teams (frontend, mobile, QA, product) to deliver end-to-end solutions;Troubleshoot and resolve complex technical issues, ensuring system stability and responsiveness with best practices in software development.Expectations:Advanced proficiency in Golang: Demonstrated experience in building and deploying complex backend applications;Extensive experience with AWS: Deep understanding and practical application of core AWS services;Fluency in English (Advanced or Native): Ability to communicate effectively and confidently with international clients and global teams, both verbally and in writing;Strong problem-solving skills and a proactive approach to identifying and resolving technical challenges;Excellent communication and interpersonal skills, with the ability to articulate complex technical concepts clearly.We consider a nice to have:Expertise in Microservices Architecture: Strong background in designing, implementing, and managing distributed systems;Experience with MongoDB: Practical knowledge of database design, querying, and optimization for NoSQL databases;Familiarity with gRPC: Understanding and experience with high-performance remote procedure call frameworks;Experience with WebRTC: Knowledge of real-time communication protocols and their implementation;Experience working in a consulting environment or with international clients.REMOTE: This position is remote-friendly within the LATAM region.CONTRACTOR: This is a short-term contractor position.