javascript back-end developer

As a Senior Back-End Engineer, you will be responsible for the backend infrastructure, performance, stability, and scaling of user-facing dApps. You will work closely with smart contract, protocol, and front-end engineers, as well as DeFi strategists and AI Researchers. You will bridge the constraints posed by web-scale applications, AI applications, and...

Nortal is hiring a Senior Fullstack Engineer to join our LATAM remote team. You will own full-stack features from front-end to back-end using React, Node.js, and C#, while leveraging AWS services and modern testing practices.You will collaborate with experienced engineers in a fast-paced, agile environment, delivering scalable cloud-native solutions and...

J.P. Morgan is seeking an experienced Software Engineer in Buenos Aires to advance our enterprise-grade applications. You will design and implement secure, scalable software, blending back-end C#/.NET with modern front-end work in React/Angular/TypeScript.You will contribute to architecture, performance tuning, and data-driven improvements while aligning...

Responsabilidades Desarrollar nuevas funcionalidades y mantenimiento en software propio de la empresa Participar en pruebas unitarias y corrección de errores. Documentar código y procesos. Colaborar con analistas y testers. Calificaciones Egresados o estudiantes avanzados en Ingeniería en sistemas y/o Desarrollo de Software. Experiencia previa de al...

**¡**Súmate a la #ExperiênciaDicsys como **_Desarrollador.NET!_** **Nos especializamos en Business Analytics, Business Intelligence y Software Factory en toda Latinoamérica.** **En este momento nos encontramos en búsqueda de un Desarrollador.NET Ssr. para sumarse a nuestro team.** **‍ ¿Qué Skills nos interesan?** - Lenguajes de Programación:_ -...

Despegar busca un Backend Developer SR para acompañar desafíos técnicos en Alojamientos. Diseñarás e implementarás soluciones end-to-end, con foco en rendimiento y escalabilidad, y serás dueño del software desde su diseño hasta su operación en producción, incluyendo monitoreo de aplicaciones con tráfico real.Trabajarás con MariaDB, diseñarás y...

Nos encontramos en búsqueda de un perfil RPA Developer SemiSr para formar parte de un importante desafío. La modalidad de contratación será por horas.Objetivo del rolSumar un perfil SSR que puedadesarrollar automatizaciones end-to-end, participar delrelevamientocon usuarios/negocio y generar ladocumentación funcional y técnicadel proceso...

Ubicación[Colombia]Tipo de contrato[Relación de Dependencia]SalarioSueldo base competitivo [COP$]Descripción del PuestoBuscamos un Desarrollador Backend altamente motivado y con experiencia para unirse al equipo de nuestro cliente.Funciones del PuestoDiseño y arquitectura del sistema: Liderar el diseño de la arquitectura del back end, asegurando que sea...

KPMG Argentina busca ampliar su equipo de software con foco en IA y desarrollo de soluciones end-to-end. Se requieren 5+ años en implementación y despliegue de software, con experiencia en proyectos internacionales y uso de AI.Se valoran habilidades en Python, JavaScript, Go y SQL avanzado, junto a dominio de inglés intermedio-avanzado. La posición es en...

Senior PHP Developer Ubicación: Híbrido Tipo de contrato: Full-time Descripción del puesto Buscamos un/a Senior PHP Developer con experiencia en desarrollo backend robusto y mantenimiento de aplicaciones web de alta disponibilidad. Tendrá un rol clave en la evolución tecnológica de los proyectos y en la toma de decisiones...

We seek a Principal QA Automation Engineer with a strong background in Cypress, JavaScript/TypeScript, and proven experience working in AI‑driven applications within an AWS cloud environment. This is a hands‑on leadership role for someone who thrives at the intersection of quality engineering, automation strategy, and modern AI integration. As a senior...

Despegar, situado en Buenos Aires, busca un Software Engineer III Back End para su equipo de desarrollo en AfterSale. El rol implica desarrollar soluciones backend escalables, participar en definiciones de diseño y escribir código eficiente. Se requiere experiencia significativa en Java y manejo de bases de datos como MongoDB.Buscamos talento que valore la...

Full-timeCompany DescriptionWe are Software Mind, an awesome team of engineers who are ready to ramp up any top-notch company’s projects! Our aim? To always be one step ahead. Become part of a multicultural company in constant growth with an excellent work environment certified by Great Place To Work!Job DescriptionProject - the aim you'll haveWe are...

Newsela is seeking a Senior Full-Stack Quality Engineer to own quality end-to-end for our cloud-based, AI-powered learning platform. You will test complex front-end applications and back-end services, including internal LLMs and third-party AI tools, in a hands-on role across UI, API, and service layers.You will lead test planning, build scalable frameworks...

Improvado, an AI-powered marketing data platform, is seeking a Full-Stack Developer to join a small AI-focused team. You will build core features and AI agents for a data-intensive SaaS, working on backend and frontend with Node.js, Next.js, React and TypeScript.You'll influence technical and business decisions, collaborate with product owners, designers,...

DescriptionWhen you mentor and advise multiple technical teams and move financial technologies forward, it’s a big challenge with big impact. You were made for this.  As a Senior Manager of Software Engineering at JPMorganChase within the Global Banking Technology Tem, you serve in a leadership role by providing technical coaching and advisory for...

**Meet**Siena**: Siena is the Agent of Record for consumer brands. One agent that owns the entire customer journey, running on a shared intelligence layer no point tool can replicate. Consumer brands run ten or more disconnected tools to manage their customers. We collapse that stack into a single agent. It started with support, the hardest surface a brand...

About Backblaze Backblaze is the object storage leader in the open cloud movement, fueling customer success with cloud storage built purposefully to unlock budgets, unburden administrators, and unleash innovators. Together with our partners, we’re helping customers break free from the restrictive, overpriced legacy solutions that hold them back, and blaze...

Responsibilities & Requirements: Mandatory Requirements: · Proven Development Skills: o Front: Strong expertise in HTML, CSS, JavaScript and a Frontend oriented framework (NextJS, React, VueJS, etc). o Back: Python - SQL – Mongo. · Python frameworks (Flask, Fastapi, etc) o CI/CD: OpendevStack (Jenkins, Openshift). o Ansible and Ansible automation...

We're hiring a mid-level mobile developer to build and ship cross-platform apps for our clients. You'll own features end to end, from spec to store release, using Claude Code and other coding agents as your default workflow rather than an occasional assist. This isn't a role where you get handed tickets and a Figma file. You'll make architecture calls, argue...