senior full stack engineer

Portless is seeking a senior full-stack engineer to own and scale major pillars of our global supply chain platform, delivering end-to-end features for the B2B portal and logistics engine.You’ll design heavy-duty API integrations with OMS/WMS/TMS, build in a serverless, cloud-native stack, and drive resilient architectures in a remote-first, globally...

Impala Search Ltd is seeking a Senior Full-Stack Engineer with a frontend focus to build customer and dealer-facing experiences using React, Next.js and TypeScript. You will own APIs and backend services necessary to deliver features end-to-end, while improving performance and accessibility across a multinational platform.Join a growing mobility platform...

Longtail Technologies, Inc. is seeking a senior backend/full-stack engineer to help build and evolve Sightline, our conversational analytics and intelligent alerting platform.You’ll own features end to end—from customer problem through to production—with a focus on reliable, observable systems and AI-native workflows. This backend-focused role requires...

Preply is hiring a Senior Full Stack Engineer to drive backend and frontend initiatives in a fast-growing learning platform. You will own key backend services in Python/Django and craft frontend experiences in React/Typescript, while mentoring peers and shaping scalable architecture.The role emphasizes data-driven product development, observability, and...

Spain | Remote | Senior Engineering OpportunityMaxIT Consulting – Max Corporate Groupis looking for aSenior Full-Stack Engineer, Consumer Fintechto join a fast-growing New York fintech company building banking and payment products for US prediction markets and regulated gaming.The company develops consumer-facing financial products covering account...

BESTSECRET in Málaga is expanding its tech hub and hiring a Full Stack Software Engineer to build a Kubernetes-based supply platform. You will develop backend services in Java/Spring Boot, collaborate with product, design, and BI teams, and help automate end-to-end purchasing and onboarding workflows.The role emphasizes data-driven decision-making,...

**About Ultralytics:** At Ultralytics, we commit to relentless innovation in the AI space and seek team members who resonate with our ambition to produce the world's best YOLO AI models. If you're obsessed with AI, eager to make an impact on the world, and thrive in dynamic, high-intensity environments, we invite you to apply for a position on our...

In this role, you will be architecting features from the database to the browser. Your center of gravity is the Go backend, APIs, data models, system design, but you’ll move into the React/TypeScript frontend whenever the feature requires it. You’ll join an experienced and supportive team where you’ll have a significant voice in shaping both our...

About EmotionAt Emotion, our mission is to simplify the transition to electric mobility through comprehensive, customer-focused services. We're dedicated to making the process, from choosing the right electric vehicle to installing home or workplace EV chargers, as seamless as possible.We're a small, fast-moving team building the internal tooling and...

Preply is looking for a Senior Full Stack Engineer in Barcelona to help shape the future of our learning platform. You will balance backend focus (Python/Django) with frontend work (React/Typescript), driving data-informed product decisions and scalable architecture. You’ll mentor peers, raise engineering standards, and partner with product, data, and UX...

We are looking for a Senior Full Stack Engineer to join one of our Product Tribes, the cross-functional units that own the end-to-end experience for a specific Toggl user role. You'll join the Tribe building for managers, the people who plan work, protect margins, and keep projects on time and on budget. You own significant parts of that experience...

About Longtail¿Tiene lo que se necesita para triunfar? La siguiente información debe ser leída atentamente por todos los candidatos.Longtail is building an intelligent decision-streaming platform that helps airlines make smarter, faster commercial decisions in real time. Combining automation, proprietary algorithms, AI, and live data, our technology helps...

Why Join Us? 100% remote | Global team | Full-time If you're looking to work on cutting-edge AI products, solve challenging problems, and be part of a fast-moving, high-talent team, you'll love it here. Join NineTwoThree AI Studio, a remote-first product design, engineering, and marketing studio, founded in 2012 and based in Boston. We build AI-powered web...

Seeking a Full-Stack Developer to technically lead a product team, owning the technical roadmap, mentoring developers, and making key business and product decisions.

About LongtailLongtail is building an intelligent decision-streaming platform that helps airlines make smarter, faster commercial decisions in real time. Combining automation, proprietary algorithms, AI, and live data, our technology helps airlines optimize pricing, availability, and product flexibility across thousands of routes worldwide.We're a...

Solera is seeking a Lead .NET Developer in Madrid with 10+ years of experience across .NET, Python, and React/Angular. You will lead full-stack development, architect scalable solutions, and drive DevOps practices to deliver high-quality software.The role requires collaboration with Product Management, Business Analysts, and cross-functional teams in an...

GFT Technologies SE busca un/a Full-Stack Developer para unirse a un equipo multicultural y desafiante. Desarrollarás funcionalidades end-to-end, cubriendo frontend con Angular y backend con Spring Boot o Node.js, e integrarás con PostgreSQL y AWS.Consulte la descripción del puesto a continuación. Si confía en que tiene las habilidades y la experiencia...

Future Connections in Spain seeks a Senior Full-Stack Engineer to join our Network Intelligence team. You will work across data analytics, backend Python services, and modern front-end interfaces, building cross-platform applications for network optimisation and performance monitoring.You will leverage Pandas, NumPy, FastAPI, Flask, React, and TypeScript,...

Ayesa Digital is seeking a Senior Full Stack Developer / Analyst Programmer in Madrid. You will join a stable, long-term project in transport and logistics, contributing across the full stack with Java, Spring Boot and Angular, and collaborating closely with product and operations teams.You will work in a hybrid model in Madrid, using modern CI/CD practices,...

bunch is building the operating infrastructure for private markets. As a Full Stack Engineer with a frontend focus in our Platform team, you’ll shape frontend architecture, contribute to backend services, and help maintain our Design System.You will ship end-to-end features that empower thousands of users managing billions in assets. You’ll collaborate...