987 backend developer English-speaking jobs in Lisbon

our open positions or send us a spontaneous application to [email protected] Senior .NET Developer

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

About the role We are looking for a Senior Ruby on Rails Engineer who excels in backend development and

Design, build, and maintain efficient code for a high-volume transaction-oriented production environment. Develop interfaces between components and ensure application performance, quality, and responsiveness.

We guide them in skill enhancement and offer genuine career progression opportunities.As a Senior Backend ... Engineer at Ivy Partners, you will:Design, build, and maintain backend services and APIs to power AI-driven ... ideal candidate if you:Have over 5 years of professional software development experiencePossess strong backend ... distributed systems and service-based architecturesAre familiar with full-stack development with a clear backend ... following languages: Python, C#, KotlinAre experienced with SQL and relational databasesHave built APIs and backend

to work collaboratively in a teamWillingness to learn and assist in the design and implementation of backend ... Dashlaners.Requirements4+ years of experience in software development3+ years of experience in developing backend

policy‐driven guardrails; partner with Legal/Security on data governance and privacy.Engineer Agentic Platform Backend ... the platform that powers them—from LLM training and evaluation to runtime orchestration, safety, and developer ... decisions under ambiguity.Familiarity with agent frameworks and protocols (e.g., MCP; API/SDK design for developer ... guardrails and recovery strategies.Develop protocol‐aware agents and services that interoperate cleanly with developer

(Fully Remote)Full Stack Django Developer (Fully Remote)Full Stack Django Developer (Fully Remote)Portugal ... $100,000.00-$150,000.00 2 weeks ago Front-end Developer - React (Portugal - Remote)Frontend software ... 4+ years of experience as a iOS Developer; Knowledge of Swift, MVVM, Unit testing, Quality gates, Adaptive ... " roles.Full-stack Developer - Portugal (remote) (m/f/d)FullStack Software Engineer (React/Node)Portugal ... React) - Europe RemoteLisboa, Lisbon, Portugal $35,000.00-$40,000.00 2 months ago Full Stack Django Developer

Will Learn With UsDevelopment of highly scalable global software systemsAdvanced use of C# and modern backend ... This role is ideal for an experienced developer with a background in computer engineering, computer science ... solutions that actively change things for the better.Job Description We are seeking a Senior AI Flows Developer

Software Developer At AMGEN, Technology isn't just a support function—it's a catalyst for discovery, ... SkillsHands‐on experience with web development, proficient with HTML, CSS, JavaScriptHands‐on experience with backend

Join Amaris Consulting as a Frontend & Middleware Developer for one of our main partners in a hybrid ... sharing.Design, develop, and maintain API middleware to support frontend functionality and integrate with backend

Data Developer (junior) We're looking for a Data Developer to join a project focused on evolving third‐party

Our AI-native Developer Security Platform integrates seamlessly into development and security workflows ... vulnerabilities — from code and dependencies to containers and cloudOur mission is to empower every developer

clinician well-being, this platform is shaping the future of healthcare.We're looking for aseasoned Backend ... Design, AI) to deliver meaningful improvements every weekStrong professional experience withPython backend ... database knowledge withPostgreSQLandMongoDBProven track record of building and maintaining scalable backend ... delivery, and collaborate closely with Product, Design, and AI teams.ResponsibilitiesDesign and implement backend ... autonomyContinuous learning and collaboration with top-tier engineers, designers, and AI specialistsIf you're a backend

We are seeking aLead Backend Engineer (Staff‐level mindset)with strong expertise inGoandproduction‐grade ... You will play a key role in designing and evolving the backend foundations of a decentralized cloud platform ... distributed, server‐side applications and microservices using Go.Build and optimize mission‐critical backend ... and platform requirements.Conduct thorough code reviews, mentor other engineers, and raise overall backend ... highly technical role focused on distributed systems, system‐level programming, and performance‐critical backend

Salesforce Developer (Salesforce Marketing Cloud)Up to €60,000 + Annual Bonus + Private Healthcare Once ... Due to this rapid growth, they are now looking for a Salesforce Developer specialising in Marketing Cloud ... scalable marketing automation solutions for their global customer base.As their Salesforce Marketing Cloud Developer

electronics design platform.About the Role This is a Senior Full-stack QA role with a strong focus on backend ... of experience as a QA EngineerStrong experience with web applications and APIsSolid understanding of backend ... analysis.A Day in the Life of Our Senior QA EngineerOwn end-to-end quality of features within the teamTest backend ... scenariosExperience working in product teamsFamiliarity with CI/CD and GitNice to haveExperience with GraphQL (R365 backend

Generative AI DeveloperJoin our dynamic AI team to build and maintain the backend infrastructure powering ... ResponsibilitiesDevelop and maintain robust, scalable backend systems for each AI assistant, ensuring ... QualificationsA minimum of 3 years' experience in developing backend web applications usingPythonand ... A growth mindset with a willingness to expand backend skills and explore emerging technologies within ... agile development processes, including code reviews, sprint planning, and continuous improvement of backend

It's our driving force — our engine.From building a new financial backend to creating an innovative app ... features from the ground up that'll be used by millions of people around the worldWe're looking for a Backend ... development and improvement of existing systemsWhat You'll NeedFluency with Java6+ years of experience in backend

Responsibilities Backend Engineering: Design, implement, and maintain scalable backend services using ... We are seeking a Senior Backend Engineer to take ownership of mission-critical backend systems that power ... Requirements Proven experience as a Senior Backend Engineer (or backend-focused fullstack engineer) ... Cloud & Infrastructure (AWS): Design, deploy, and operate backend services on AWS, leveraging managed ... Solid experience with AWS, including deploying and operating backend services using services such as