987 backend developer English-speaking jobs in Lisbon

Be part of the transformation from a project to a hybrid project and product house as aFullstack Developer ... Full-timeYour TasksImplementation of new functionalities in complex application landscapesFrontend and backend

This is a highly technical, hands-on role focused on designing and owning core backend infrastructure ... automation, decision-making, and scalable intelligence across organizations.We are seeking aSenior Backend ... shape a scalable, maintainable platform architectureRequired Qualifications5+ years of experience as a Backend ... operate effectively in a fast-moving, early-stage environment.Your ResponsibilitiesDesign, build, and own backend ... environmentStrong experience building data-intensive or distributed systems in productionProficiency in backend

and high-performance backend systems. ... We are seeking a talented and passionate Backend Engineer to join our dynamic team. ... As a Backend Engineer, you will play a key role in designing, building, and maintaining robust, scalable ... our growth from E-commerce into SleepTech and global fulfilment & logistics.Design, build, and scale backend ... grow our high-performing tech team.Who we're looking forProven experience designing and delivering backend

Evil Martians are looking for a fully remoteRuby Backend Engineerto join our distributed team. ... Ruby is for developer happiness" are not empty words for you. ... Use Ruby to build web applications (API only or fullstack), developer and infrastructure tools. ... Our clients are mainly in the US and include recognized developer tools (bolt.new, Teleport, Tines, HTTPie ... to the conference Evil Martians is a product development consultancy working for startups building developer

Product Development Business Unit: Group Functions Job DescriptionAtTieto , we are looking for aSenior Backend ... We are seeking an experienced software engineer with a strong backend background, passion for distributed ... Responsibilities Architect, develop, and maintain scalable backend applications and microservices powering ... :Python C# KotlinSolid understanding of API design, backend architecture patterns, and production-grade ... developers, QA specialists, DevOps, and Product teams to deliver robust, secure, and high-performing backend

InnoWaveis looking for a dynamic, agile Node.js Developer with good communication skills, a great desire ... Node.js Developer ResponsibilitiesBuild robust, performant and high scalable, flexible solutions.Participate

C# Developer The role is within the Data Architecture team of the Corporate and Institutional Banking ... Working alongside a senior developer, you will design and maintain data‐processing scripts, translate

Developer to support the analysis, implementation and testing activities related to the product and ... Global (English)Developer Cobol - Mainframe Job Description We are strengthening our IT team with a Software

Global (English)Software Developer – FileNet Job DescriptionWe are strengthening our IT team with a Software ... Developer to support the evolution and maintenance of theFileNetapplication, ensuring efficient, stable

Engineer Agentic Platform Backend Infrastructure.   ... Familiarity with agent frameworks and protocols (e.g., MCP; API/SDK design for developer productivity ... Develop protocol‑aware agents and services that interoperate cleanly with developer tooling (e.g., agent ... the platform that powers them—from LLM training and evaluation to runtime orchestration, safety, and developer

You will develop and maintain backend systems using Python and FastAPI, ensuring seamless API communication ... architectures.Required Skills3+ years of experience developing backend applications with Python (FastAPI ... Lisbon (2/3 days per week on-site in Lisbon)Key ResponsibilitiesDesign, develop, and maintain scalable backend ... back-office operations.Participate in Agile ceremonies, code reviews, and continuous improvement of backend ... explain complex technical concepts to non-technical stakeholders.Growth mindset and interest in expanding backend

Senior Back-end Engineer to join Toptal's Core Team building an AI-powered platform. Write elegant, efficient Ruby (and/or TypeScript) code, collaborate with Infrastructure Engineers, and mentor team members. Requires 5+ years of web development experience with Ruby/Rails and SQL databases.

Senior Backend Engineer will lead development of major projects, participate in cross-team initiatives, and contribute to the shared codebase. Must have strong engineering fundamentals, experience with Postgres, CI/CD, and agentic/automation workflows. Experience with Functional Programming languages, Kubernetes, Docker, AWS, Nextjs, React/Vue/Angular is a plus.

months + extensionsStart Date:ASAPExperience Level:3–5 yearsAbout the Role We are looking for an AWS / Backend

What You'll do:Design and implement scalable, production-ready backend services using Kotlin and Java ... engineering culture, system quality, and operational excellence;Remote Work Model.Who You Are:5+ years of backend

Senior Backend Engineer will develop and maintain web applications, focusing on performance, scalability, and user experience. Requires 5+ years of web development experience with Golang or NodeJS, SQL databases, and knowledge of software engineering patterns. Experience with AI coding agents and spec-driven development is essential.

Software Engineer (Backend) will design, build, and maintain efficient, reusable, and reliable code. Experience developing production-level software using Microsoft .NET (full framework or .NET Core) and proficiency in C# and MVC are required.

dynamic and collaborative environment within an experienced game development teamWork with a modern, developer‐friendly

Global (English)Java Backend Engineer Job DescriptionInetum is looking for aBack-End Engineerto join

with 3rd-party vendors and partners.As a Backend Engineer you will play a central role in making it ... The candidate will be responsible for managing various areas of our backend platform, including API integrations ... familiar with complex large scale distributed systemsRequired Technical QualificationsProficient in backend