Empregos de software engineer em lisbon

Seeking a remote freelance Ruby Software Engineer with 3+ years of experience to collaborate on AI projects, focusing on prompt generation, scoring, and model response improvement.

Freelance Ruby Software Engineer needed to work on AI projects, generating prompts and improving model responses. Flexible hours, remote.

We are looking for aSenior AI Engineerwith a strong software engineering background and a passion for AI-driven automation to help shape the next generation of intelligent business workflows. This is a highly visible role sitting at the intersection ofSoftware Engineering, Artificial Intelligence, Process Automation, and Business Transformation . You will...

Euphoric builds AI-first employee benefits administration software for the world's largest and most prestigious employers. Born out of Peppy Health — a fast-growing, category-defining Series B startup — we spun out in May 2025 to tackle a far bigger opportunity.Global employers spend $3–5 trillion on benefits every year. It's their second-largest cost...

Position Overview As Mobile Engineer at Entrust, you will help our R&D organization build and operate resilient, scalable and delightful experiences for our customers. You will join a talented, friendly team that delivers code in agile, shipping to production regularly. You will work on the Document Experience group building SDKs for document capture on i...

Designs, develops, and maintains software applications, collaborating with teams to ensure software quality.

A leading software development company in Lisbon is seeking a Mobile Software Engineer to enhance mobile applications for the healthcare sector. The ideal candidate will have 5+ years of mobile development experience, particularly in iOS and Android. Responsibilities include designing mobile features, leading technical reviews, and ensuring application...

Frontend Software Engineer - React (m/f/d)Full-timeLegal Entity: Sixt Research Development Services, Lda.Every SIXT rental starts on the web — search, offer, checkout — a funnel that serves millions of customers across 110+ countries. How we build it has changed: coding was never the bottleneck, judgment is. Engineers here turn ambiguous product problems...

**Job Title:** Software Engineer**Position Overview:**We're looking for a Software Engineer. You will be a part of a growing, innovative team and will work closely with the development and product management teams innovating to enhance our existing software and develop new products. In this role, you will work closely with experienced engineers to design,...

JUMO is seeking an Intermediate Software Engineer in Portugal to help build a market-leading banking-as-a-service platform. You will develop scalable services, review code, and contribute to architecture decisions in a remote-first, cross-functional team. You'll work with Kotlin/Java/Scala on AWS, aim for low-latency systems, and mentor peers while...

Kraken is building the Agent Systems team to create AI-powered agents that automate internal workflows and decision paths. You will design inference pipelines, prototype rapidly, and productionize valuable agent behaviors within robust backend services that integrate with multiple internal APIs. The role emphasizes hands-on AI/ML work, strong backend...

Odixcity Consulting is seeking a Software Engineer Annotator to evaluate, label, and improve software engineering datasets used for AI and LLM training. The role emphasizes reviewing AI-generated code and ensuring high-quality technical annotations. You will annotate datasets, assess code for correctness, efficiency, readability, and security, and provide...

At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding...

Kardex Portugal, Unipessoal Lda, based in Lisbon, seeks a Junior Software Test & Integration Engineer to support testing, integration, and 2nd-level support for WES/WAF software. You will work with senior engineers, gain mentorship, and grow into a senior specialist within a customized warehouse environment. The role involves testing, integration with...

Kardex is seeking a Junior Software Test and Integration Engineer to support testing, integration, and 2nd-level support for WES/WAF software from our Lisbon office near Parque das Nações. The role offers mentorship and growth toward a senior specialist in a highly customized warehouse execution environment. You will work with senior engineers and project...

Develops, maintains, and improves automated testing frameworks using Python and Pytest for a scraping platform. Designs and executes test strategies, collaborates with developers, and contributes to CI/CD processes.

Senior Software Engineer / Team Lead (C/C++ Embedded) – Hybrid Vila do Conde (2 days/week office)Join a global precision engineering company with over 2,200 employees and 450 engineers across 26 locations in 11 countries. As part of a family of companies specializing in motion, controls, and power systems, you will lead embedded software development for...

Seeking a Senior Software Engineer in Test with Python and Full-Stack experience to create challenging coding test cases for AI systems. Responsibilities include writing functional tests, analyzing AI failures, and iterating based on feedback.

Cloudflare is seeking a Software Engineer to join the Agentic Discovery team. You will design and ship scalable software across edge infrastructure, data pipelines, protocol layers, and developer tooling to power agent-web interactions. You will work on standards like Web MCP, MCP, AEO, and agent-native controls, enabling content owners to manage how...

Seeking a Staff Software Engineer to architect and scale patient communication and data infrastructure for a healthcare AI startup. Requires Python and backend design expertise.