3,350+ Python Java Dev Jobs in Portugal — Top Companies Hiring June 2026

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GenAI Data Scientist / ML Engineer — Remote

A consulting company based in Lisbon is seeking a Data Scientist / Machine Learning Engineer to work closely with data science teams to deploy GenAI and analytics models. The ideal candidate has over 3 years of experience as a technical data specialist, solid experience with Azure, Databricks, and Python, and is ...

Senior Software Test Architect – Automation Leader

A high-tech innovation firm in Lisbon is seeking a Senior Software Test Designer to lead the development of automated testing strategies. This role requires designing and implementing testing processes while collaborating with stakeholders. The ideal candidate has over 7 years of software development experience, ...

Remote Data Solutions Architect: Big Data & Cloud Leader

WIRE IT in Portugal is seeking a Data Solutions Architect to join their dynamic team. This role is remote and requires at least 6 years of experience as a Data Engineer and Architect, with strong skills in SQL, Python, and Big Data technologies. We offer a full-time contract with benefits including hea ...

AI Data Science

We would like to meet an AI Data Science for a project in Lisbon. Responsibilities Design, develop, and deploy end-to-end Data Science and Machine Learning solutions for AI-driven projects. Collaborate with multidisciplinary teams to deliver scalable NLP, GenAI, and predic ...

Fixed Access Network Engineer

DescriçãoEsta posição integra a equipa de Redes de Acesso Fixo da Direção de Engenharia da NOS. A pessoa selecionada será responsável por contribuir ativamente para as atividades de desenvolvimento, validação, engenharia e automação das tecnologias de acesso fixo FTTH/GPON, XGS-PON e HFC/DOCSIS co ...

Application Security Engineer

Thought Machine's mission is bold – to properly and permanently rid the world's banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and payments technology which run natively in the cloud. What we are attempting is hard and means we need great peopl ...

Senior Site Reliability Engineer PSRE

Arcesium is a global financial technology firm that solves complex data-driven challenges faced by some of the world’s most sophisticated financial institutions. We constantly innovate our platform and capabilities to meet tomorrow’s challenges, anticipate the risks our clients encounter, and design advanc ...

Senior AI Developer Experience Engineer

About Planet Planet is a global provider of integrated technology and payments solutions for retail and hospitality customers. We create great experiences for the millions of people who use our payments, software, and tax-free solutions every minute of every day. Planet empowers its customers to ...

Senior Lead Machine Learning Engineer, Agentic AI

Upwork Inc.’s (Nasdaq: UPWK) family of companies connects businesses with global, AI-enabled talent across every contingent work type including freelance, fractional, and payrolled. This portfolio includes the Upwork Marketplace, which connects businesses with on-demand access to highly skilled talent across ...

QA Automation Engineer

🚀 Ready to Make an Impact? Join MORO TECH!MORO TECH is a tech house with a global team on a mission to empower businesses to succeed through business transformation solutions, data-driven strategies and a deep technical expertise. Imagine being part of a team working alongsi ...

AI Engineer

Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Pyramid Consulting, Inc Global Delivery Lead | Recruitment Strategist | Cross-Border Talent Acquisition | Optimal Global Staffing Solutions Primary Location: Spain OR Romania or Portugal </ ...

NLP Deep Learning Engineer — Build AI Copilots & LLM Tools

A leading global financial technology company is seeking a Deep Learning Engineer in Portugal to develop cutting-edge AI solutions. The role involves building innovative features such as chatbots and personal assistants, utilizing advanced deep learning technology, and collaborating with cross-functional teams. ...

Senior Kernel & Performance Architect, Core ML (Hybrid)

EPAM Systems is looking for a Solution Architect – Kernels and Performance in Lisbon, Portugal to drive low-level performance engineering for AI workloads. You will optimize model training and inference across TPU and GPU architectures. Ideal candidates will have 12+ years of software engineering exper ...

Senior Backend Engineer Integrations & Crawlers (Remote)

Truv is seeking a skilled backend developer with strong Python knowledge to join their remote team in Portugal. Responsibilities include reverse engineering and building integrations with external APIs, optimizing code performance, and maintaining tests. Candidates should have 5+ years of experience in backend d ...

Senior ML Engineer — Production Scale MLOps (Remote)

Signify Technology is seeking a Senior ML Engineer to drive the productionisation and scaling of ML systems. This is a remote role, with an expected duration of 3-6 months, and an ASAP start date. The ideal candidate will have over 5 years of experience in ML Engineering or MLOps, along with strong cod ...

Principal SDET Engineer: AI Driven Backend QA

Protegrity is seeking a Principal Software Engineer focused on Quality Engineering in Portugal. In this hands-on role, you will ensure the reliability and scalability of backend systems through automated testing frameworks and CI/CD pipelines. The ideal candidate has over 8 years of software engineerin ...

Remote First Staff Software Engineer – AI Driven Health Platform

Promptly Health is seeking a Staff Software Engineer to lead the technical direction of complex engineering initiatives in building healthcare data infrastructure. The role involves designing reliable systems and working hands-on in code, especially in challenging areas. Candidates should have over 8 years of ...

Lead GenAI Engineer: Architecting Autonomous Logistics

Trimble Inc. is seeking a Lead Generative AI Engineer based in Portugal to drive the technical direction of GenAI initiatives, establishing architectural patterns and leading a team in the development of innovative AI solutions. The ideal candidate will bring 8 to 15 years of robust engineering experience, be an ...

Senior Platform Engineer AWS/Azure Remote

A leading technology company is hiring a DevOps Engineer in Portugal. This role requires a strong background in AWS or similar cloud environments, alongside expertise in Python and experience with CI/CD tools. The ideal candidate will collaborate with development teams, support software installations, and engage ...

Senior Trading Software Engineer Portugal Remote

A leading technology firm is seeking a Trading Senior Software Engineer based in Portugal. The role requires at least 6 years of professional experience in software engineering with a focus on trading and energy pricing systems. Candidates should have strong knowledge of energy markets, proficient communication ...

Applied AI Engineer Remote First, Equity & Growth

Euphoric is seeking a Software Engineer to contribute to their AI-native benefits administration platform. This role offers a unique opportunity to work on cutting-edge technology in a fast-paced environment, allowing you to own your projects and make a real impact. The ideal candidate will have a stro ...

Freelance Data Scientist & ML Engineer for GenAI

A recruitment agency is looking for a hands-on Freelance data professional based in Lisbon, Portugal. This role involves collaborating with data science teams and deploying solutions in a Databricks environment while focusing on production-ready solutions. Candidates should have over 3 years of experience in a t ...

Senior Software Engineer Real Time AI Retail Platform

A tech innovation firm in Lisbon seeks a Senior Software Engineer to design and maintain its real-time autonomous retail platform. This role requires expertise in distributed systems and Python, contributing to scalable microservices and event-driven architectures. The successful candidate will collaborate close ...

Data Platform & AI Engineering Leader

Nordea Bank Norge ASA is looking for a Head of Data & Platform Engineering in Paço de Arcos, Portugal. In this strategic role, you will lead data platform and engineering efforts, ensuring the delivery of substantively impactful projects. The ideal candidate possesses expert-level experience in software and data ...

Senior ML Engineer: LLM Apps + Production Systems

Zendesk in Lisbon is looking for an experienced ML Engineer to build and ship LLM-powered applications. You will take ownership of metrics, design intelligent systems, and collaborate closely with stakeholders. The ideal candidate has 3+ years in Data Science, strong Python and SQL skills, and experience with da ...

Senior SRE – Banking Infra (Hybrid, 3 Days Remote)

ITDS is hiring a Senior Site Reliability Engineer to ensure the stability and resilience of banking infrastructure in Porto, with a hybrid work model (3 days home). This role involves providing operational support, troubleshooting IT infrastructure issues, and driving technical projects. Ideal candidates have a ...

Global Category Analytics & Pricing Leader

A leading D2C sleep brand is looking for a Global Performance & Value Manager in Lisbon. This role focuses on capturing the full commercial value of products, designing global pricing strategies, and analyzing product performance across markets. The ideal candidate will have 5-8 years of experience in pricing or ...

Senior Data Scientist Strategic Modeling & Insights (Remote)

A technology firm is seeking a Senior Data Scientist to join their agile team in Portugal. This role involves developing statistical models, collaborating with marketing and product teams, and communicating insights clearly to non-technical audiences. The ideal candidate will have strong proficiency in Python or ...

Staff Software Engineer — AI Driven Microservices, Remote

A leading sustainability intelligence firm in Lisbon seeks a Staff Software Engineer to design and build microservices and APIs while integrating AI-driven features. This dynamic role demands strong skills in Python, cloud platforms, and microservices architecture. You'll be part of a high-impact team, shaping t ...

ML Engineer: RL & Bandits (Lisbon)

Workster Jobs in Lisbon is seeking a skilled ML Engineer specializing in Reinforcement Learning and Multi-Armed Bandit algorithms. In this hybrid role, you'll be responsible for developing and deploying advanced ML systems, collaborating with cross-functional teams, and contributing to impactful projects in a dy ...

Predictive Data Scientist: ML & LLMs for Banking

PT2 Misys Spain Sl - Sucursal Em Portugal is looking for an Applied Data Scientist to develop predictive machine learning models for core banking products. The role involves hands-on work with data and modeling, along with using LLMs to evaluate and prototype product ideas. We seek candidates with stro ...

Senior Fullstack Engineer — Build Scalable SaaS (Hybrid)

ComparaJá.pt in Lisbon seeks a Senior Fullstack Engineer to lead software architecture and development. In this hybrid role, you'll drive high-quality software creation, mentor junior engineers, and optimize systems for performance. The ideal candidate has strong skills in C#, Python, and cloud-based application ...

Senior Full Stack Data Engineer, Fashion & Digital Analytics

A global data solutions provider is seeking a Senior Full-Stack Data Engineer in Porto. The role involves designing and deploying software and data pipelines, mentoring junior team members, and collaborating closely with other IT and data professionals. Candidates should have over 5 years of experience and exper ...

AI Data Platform Lead — Hybrid Lisbon

login.works is seeking a Data and Document Intelligence Lead to design, build, and oversee the Client & AI Data Vault, as well as operate vector databases in a production environment. The ideal candidate will have profound experience with data and retrieval systems, leadership capabilities, and technical experti ...

Pricing Data Scientist Global Revenue & Impact (Remote)

Holafly is seeking a Senior Data Scientist (Pricing) in Lisbon, Portugal. In this role, you will architect global revenue strategies and design pricing algorithms to optimize market competitiveness and profitability. You are expected to have over 5 years of relevant experience, expert-level skills in Python and ...

Generative AI Engineer — Hybrid, Scalable LLM Apps

Cegid for Accountants is seeking a Generative AI Engineer to design, build, evaluate, and deploy AI-powered applications. This role requires expertise in Python and backend technologies, focusing on Generative AI and machine learning projects. Responsibilities include collaborating with cross-functiona ...

Senior AI Research Scientist – NLP & LLMs (Lisbon)

TransPerfect is seeking a Senior AI Research Scientist in Lisbon, Portugal, to lead research in AI and LLM technologies. Responsibilities include conducting innovative research in Machine Translation and Natural Language Processing, implementing models, and collaborating with teams to solve business challenge ...

Staff Data Engineer — Remote, Scale Pipelines & Cost Insights

Opinov8 is looking for a Staff Data Engineer to act as a hands-on technical lead in Lisbon. You will design, build, and maintain scalable data pipelines while collaborating with diverse teams to enhance player experiences. The ideal candidate will have 6+ years in data engineering, expertise in Python, ...

Senior MLOps Engineer AI Pipelines for Scalable Impact

IDT Corporation in Lisbon is seeking a Senior MLOps Engineer to join their AI Lab team. You will develop a comprehensive MLOps strategy, implement scalable pipelines, and collaborate with cross-functional teams to drive business value and reduce fraud. Candidates should have over 5 years of experience in MLOps a ...

Senior Data Scientist Marketing Analytics & Causality

A leading technology consultancy in Porto is looking for a Senior Data Scientist to lead statistical modeling initiatives for marketing and product growth. The ideal candidate will possess expert proficiency in Python or R, advanced SQL skills, and experience across major cloud platforms. Responsibilities includ ...

Senior AI Engineer — Remote/Hybrid, Equity & Flex Hours

A healthcare technology company is looking for a Senior Software Engineer based in Porto, Portugal. The role involves implementing AI-driven solutions to optimize internal operations and requires strong proficiency in JavaScript and Python, along with experience in cloud services. Offering a salary range of €50, ...

AWS Data Engineering Lead — Remote Healthcare Data

Movilges is seeking a Data Engineering Lead (AWS) to join the team, working remotely. This role involves designing and managing cloud-native data systems, developing scalable architectures, and optimizing data platforms. We require a candidate with at least 10 years of experience in data engineering, s ...

Senior Data Scientist: AI & MLOps Leader

Celfocus is seeking a Senior Data Scientist in Lisbon, Portugal. This role involves designing and deploying AI and machine-learning models for business solutions. Candidates should have over 5 years in Data Science, strong expertise in Python, and a track record in MLOps. You will collaborate with cross-function ...

Principal Data Engineer, Pipelines & ML Platforms

Waters Corporation in Lisbon is seeking a Principal Data Engineer. This role involves designing and building scalable data pipelines that support analytics and machine learning. Candidates should have a Bachelor's degree in Computer Science or a related field and 8+ years of relevant experience. Key qu ...

Senior Azure DevOps Engineer | Cloud CI/CD & Kubernetes

Aubay Portugal is looking for an experienced DevOps Engineer with over 5 years of expertise in Azure and IaC tools like Terraform and Ansible. The ideal candidate should excel in Linux environments, have proficiency in scripting languages such as Python and GoLang, and practical experience with CI/CD methodologi ...

Remote AI Microservices Architect & Engineer

Enhesa is seeking a Staff Software Engineer to join our dynamic team in Lisbon, Portugal. This role involves designing and maintaining microservices, APIs, and collaborating on AI-driven projects. Candidates should have strong expertise in Python and at least one systems-level language, alongside experience with ...

Senior Data Scientist Strategic Modeling & Insights (Remote)

A technology firm is seeking a Senior Data Scientist to join their agile team in Portugal. This role involves developing statistical models, collaborating with marketing and product teams, and communicating insights clearly to non-technical audiences. The ideal candidate will have strong proficiency in Python or ...

Remote SRE: Real Time Market Data & Reliability Lead

A leading company in the DeFi space is seeking a skilled engineer to own the reliability of its real-time market data infrastructure. This role involves developing systems for price feeds, automating workflows, and leading incident responses. Ideal candidates possess a strong programming background (Python prefe ...

DeFi Risk Architect – Quantitative Trading & Solvency

Mlabs is seeking a Quantitative Trading Analyst to architect and upgrade the risk management engine in Lisboa. This role is at the intersection of Traditional Finance derivatives and Decentralized Finance (DeFi). Duties include backtesting core protocol parameters and optimizing mathematical models. Th ...

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    Python Java Dev Jobs in Portugal Job Search Guide, Trends and Insights