931 - Fullstack Developer (Java/Javascript/GraphQL) · Senior · Remote · LATAM

Disclaimer – Must read: Commitment & Focus This role requires full-time dedication, with clear priority given to Darwoft projects during the established working hours. It is not compatible with other full-time professional engagements.Any additional professional activities must be disclosed in advance and must not interfere with the responsibilities or working hours of this role. Get to Know Us At Darwoft, we build software solutions with real impact. We are a custom software development and IT staffing company, with teams across the US, Argentina, and Colombia. We partner with international clients to design and deliver high-quality digital solutions, building long-term relationships based on trust, technical excellence, and a people-first mindset. Our growth is driven by strong execution, meaningful connections, and a deep understanding of our clients business challenges. About the Role Were looking for a Senior Fullstack Developer to work on core platform domains that power critical business capabilities across the Application Platform and Authentication Platform. The backend is primarily Java-based , while frontend development is done using React or Angular . This is a hands-on, backend-leaning full-stack role for engineers who can work independently, navigate ambiguity, and contribute to building scalable, secure, distributed systems. Youll collaborate closely with platform, infrastructure, and product teams, playing a key role in evolving shared systems that are foundational to the organization. What Youll Be Doing Design, build, and maintain backend-heavy full-stack systems using Java as the primary backend language Develop frontend components using React or Angular , collaborating closely with product and design teams Build and operate distributed systems with scalability, reliability, and fault tolerance in mind Design and maintain APIs (REST and/or GraphQL) consumed across multiple internal platforms Implement and maintain authentication and authorization mechanisms (JWT, OAuth2, SAML, role- or policy-based access) Deploy, operate, and debug production systems in cloud environments (AWS, Azure, or GCP) Write and maintain automated tests (unit and integration) Use logging, metrics, and observability tools to troubleshoot production issues Collaborate with platform, infrastructure, and product teams to evolve shared services and systems What You Bring Must-Haves 5+ years of professional experience as a Software Engineer , with a strong backend focus Strong experience developing backend systems with Java Experience with modern frontend frameworks such as React or Angular Proven experience designing and operating distributed systems Strong experience building and consuming REST and/or GraphQL APIs Solid understanding of authentication and authorization concepts (JWT, OAuth2, SAML, RBAC/ABAC) Experience working with SQL and NoSQL data stores Hands-on experience with cloud platforms (AWS, Azure, or GCP) Experience with containerized development using Docker Experience with logging, monitoring, and production debugging Strong written and spoken English communication skills Ability to work independently, bring structure to ambiguity, and collaborate effectively Nice to Have Experience working on platform or shared-infrastructure teams Familiarity with search technologies such as OpenSearch or Elasticsearch Experience in regulated or security-sensitive environments (e.g., healthcare) SRE-adjacent exposure (on-call rotations, production readiness, SLO awareness) What Darwoft Offers Contractor agreement with payment in USD 100% remote work Argentinas public holidays English classes Referral program Access to learning platforms Explore this and other openings at: