35,201+ Full Stack Software Engineer React Java Spring Boot Jobs in Portugal — Top Companies Hiring June 2026

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Network & Systems Support Engineer – N1/N2 Infrastructure Specialist

about-project :As a Network & Systems Support Engineer – N1/N2 Infrastructure Specialist, you will be working for our client, a leader in critical IT infrastructure services across diverse sectors. You will play a vital role in ensuring flawless operational continuity, supporting comp ...

Design Engineer Instalações Mecânicas | AVAC (M/F) Lisboa

Procuramos um(a) Design Engineer para integrar a equipa de projeto na rea de Instalaes Mecnicas - AVAC, participando no desenvolvimento de projetos tcnicos desde a fase conceptual at execuo. Principais responsabilidades: Desenvolvimento de projetos de engenharia na rea de AVAC para edifcios; Conceo, clculo e di ...

O&M Engineer Facilities Management (M/F) Lisboa

Estamos a reforar a Unidade de Negcio de Facilities Management, de empresa cliente, com a integrao de O&M Engineers para gesto e acompanhamento de contratos de manuteno de instalaes tcnicas em edifcios. Principais responsabilidades: Gesto de contratos de manuteno de instalaes tcnicas, nomeadamente AVAC, instalae ...

O&M Engineer – Facilities Management (M/F) Porto

Estamos a reforar a Unidade de Negcio de Facilities Management, de empresa cliente, com a integrao de O&M Engineers para gesto e acompanhamento de contratos de manuteno de instalaes tcnicas em edifcios. Principais responsabilidades: Gesto de contratos de manuteno de instalaes tcnicas, nomeadamente AVAC, instalae ...

Design Engineer Instalações Mecânicas | AVAC (M/F) Lisboa

Procuramos um(a) Design Engineer para integrar a equipa de projeto na rea de Instalaes Mecnicas - AVAC, participando no desenvolvimento de projetos tcnicos desde a fase conceptual at execuo. Principais responsabilidades: Desenvolvimento de projetos de engenharia na rea de AVAC para edifcios; Conceo, clculo e di ...

O&M Engineer Technical Consultancy (M/F) Lisboa

Procuramos profissionais para integrar o Departamento de Technical Consultancy, com foco em engenharia de operao e manuteno (O&M) de edifcios e instalaes tcnicas. Principais responsabilidades: Realizao de auditorias tcnicas a edifcios e instalaes tcnicas, nomeadamente sistemas AVAC, instalaes eltricas e segurana ...

Data Scientist / ML Engineer — LLMs & Generative AI (Lisbon)

A leading international technology company in Lisbon is seeking a Data Scientist / Machine Learning Engineer to design, build, and deploy innovative AI and ML solutions. This role requires strong experience in ML, AI, and data science, along with proficiency in Python. The successful candidate will collaborate w ...

Senior DevOps Engineer Azure Kubernetes Hybrid Lisbon/Porto

Uma empresa de consultoria e outsourcing de TI está à procura de um Engenheiro DevOps Sênior para se juntar à sua equipe dinâmica. O candidato ideal terá experiência com Azure e Kubernetes, além de habilidades em desenvolvimento de software e integração de processos automatizados. Esta função oferece a oportunid ...

Senior Go Backend Engineer for Real Money Gaming

Block Labs is looking for a Senior Backend Engineer in Lisbon to design and build core gaming infrastructure in Go. The role involves creating a deterministic, auditable system for real-money gaming, with a focus on high-performance backend services. Candidates must have 6+ years of experience in backend enginee ...

ML Engineer — AI for Digital Publishing (Flexible Hours)

At Issuu, our Machine Learning Team is at the forefront of innovation, leveraging advanced techniques to revolutionize the digital publishing landscape. Composed of talented individuals with diverse backgrounds and expertise, our team is united by a shared passion for harnessing the power of AI to solve re ...

Part Time AI Math Engineer (Python) – Project Based

A project-based AI opportunity provider is seeking mathematicians for part-time projects in Lisbon, Portugal. Participants will evaluate and improve AI systems through tasks such as designing mathematics problems, validating simulations, and applying rigorous scoring criteria. Ideal candidates should have a degr ...

Senior DevOps Engineer: Cloud, CI/CD & AWS Expert

A cutting-edge digital solutions company in Porto seeks an experienced DevOps Engineer to design and manage CI/CD pipelines, implement cloud architectures, and optimize deployment processes. The ideal candidate will possess a Bachelor's degree and at least 5 years of experience in DevOps, along with hands-on AWS ...

Senior French Prompt Engineer Clinical AI, Remote Europe

A consulting firm specializing in AI is looking for a Senior French-speaking Prompt Engineer to enhance AI-powered clinical documentation systems. The role involves designing clinical prompt templates, conducting experiments to improve output quality, and collaborating with teams to integrate feedback. Candidate ...

Senior GenAI ML Engineer — Global Remote (LLM & Agents)

A global insurtech company seeks a Senior GenAI ML Engineer to spearhead the development of innovative generative AI solutions that transform insurance services across multiple markets. The position requires a minimum of 6 years in AI/ML, with 3+ years in ML engineering and Generative AI. You will work with cutt ...

Hybrid Offensive Security Engineer: Pen Testing & Red Team

Thales is seeking a skilled Penetration Tester in Maia, Portugal, to conduct offensive security assessments and support incident response activities. Your role will involve identifying vulnerabilities and simulating attack scenarios while collaborating with various security teams. The ideal candidate s ...

On Prem AI Engineer: Air Gapped & RAG Workflows

Iceye in Lisboa is looking for a Forward Deployed AI Engineer to build and deploy AI workflows for defense and intelligence customers. You will work on deploying solutions in secure environments, encompassing everything from Docker deployments to AI-powered applications. The ideal candidate has strong ...

Senior Azure Cloud Engineer – Remote, IaC & CI/CD

Vfx Financial, located in Lisbon, Portugal, is seeking a skilled platform engineer to own the delivery and operation of its Azure-based cloud platform. The ideal candidate will have over 5 years of experience in cloud engineering, particularly with Terraform and Azure. This role offers flexibility—choose to w ...

Senior Network Service Engineer — Lead, Hybrid/Remote Impact

Unilabs Group is looking for a Principal Network Service Engineer to oversee the reliability and performance of enterprise network services. This pivotal role involves ensuring operational integrity across network platforms while leading incident response initiatives. The ideal candidate will have over ...

Real Time AI Security ML Engineer (NLP/Defense)

A LCG em Lisboa procura um(a) AI Security ML Engineer para desenvolver modelos de machine learning com foco em segurança. O candidato ideal deve ter mais de 3 anos de experiência prática em NLP e machine learning, capacidade de gerir o ciclo de vida dos modelos, e estar confortável com a cibersegurança. É essenc ...

Senior Computer Vision & ML Engineer — Hybrid, Impactful AI

Sensei is seeking a Computer Vision and Machine Learning Engineer to enhance its AI-driven retail solutions. You will focus on developing algorithms for image understanding and object detection, collaborating with an innovative team. Applicants should have a Ph.D. or M.Sc. with at least 5 years of expe ...

Senior .NET Backend Engineer — Cloud, APIs & AI Tools

Nextlane in Porto, Portugal is looking for a Senior Backend Engineer to design and maintain cloud-native backend services using C# and .NET Core. This hands-on role entails building high-performance REST APIs and working closely with Tech Leads on architectural compliance. The ideal candidate will have ...

Flexible Senior C# .NET Engineer for Scalable Apps

Genesis Digital Solutions, located in Lisbon, Portugal, seeks a Senior C# .NET Developer to design and develop software applications. This role involves mentoring junior developers, collaborating with cross-functional teams, and ensuring software quality through best practices. Ideal candidates will ha ...

Senior .NET Backend Engineer – Cloud, API & AI Driven

Nextlane in Sintra, Portugal, is seeking a Senior Backend Engineer to drive the development of scalable backend solutions in C# and .NET Core. The role involves building secure, high-performance REST APIs and collaborating with cross-functional teams. Candidates should have at least 6 years of backend develop ...

Senior AI & Data Engineer: Production AI & Data Warehouse

Thorit GmbH in Lisbon is looking for an AI & Data Engineer to lead the delivery of production-grade AI systems. You will own and operate the data engineering capabilities that support the AI consulting practice. Responsibilities include shipping at least three AI systems to clients, maintaining a reusable agent ...

Senior Flutter Engineer Lisbon On site | Growth & Impact

BrainRocket is seeking a Senior Flutter Developer in Lisbon. The role involves mobile app development, Flutter expertise, and contribution to innovative solutions. Candidates must have at least 2 years of Flutter experience, mobile development skills, and be familiar with Dart and architectural principles. The p ...

Ultra Low Latency DevOps Engineer for Trading Platform

eXalt Fi is seeking a highly technical DevOps Infrastructure / SRE Engineer to join their Electronic Equities team in Lisbon. The role focuses on infrastructure automation, CI/CD pipeline modernization, and optimizing performance across both bare-metal and virtualized environments. Ideal candidates wil ...

Senior AI Engineer: From PoCs to MVPs (Hybrid)

Nimber in Lisbon is seeking a Senior AI Engineer to develop and implement innovative AI solutions. You will work collaboratively with cross-functional teams to design, build, and deploy AI models, driving the development of AI-driven applications. The ideal candidate holds a degree in Computer Science ...

Energy AI/ML Engineer — Applied Data Science (Hybrid)

A leading energy technology company in Lisbon is seeking an Applied Data Science Engineer to join their Scalable Core team. This role involves designing and implementing intelligent solutions for energy management using machine learning and statistical techniques. Ideal candidates will have a Master's degree and ...

Senior Cloud Engineer | Azure, Kubernetes & Global SaaS Impact

Senior Cloud Engineer – Lisbon (Hybrid) Location: Lisbon – Marquês de Pombal Hybrid Regime: 2 days/week at the office International Environment Long-term Project We are looking to join a global company specialising in compliance services, working on impactful SaaS ...

Semiconductor Lead Engineer Build & Lead High Tech Teams

Motus People Engineering is seeking an experienced Lead Engineer in Aveiro, Portugal. This role involves leading a team of engineers and executing complex semiconductor projects. With over 5 years of semiconductor experience, you will guide and mentor your team while ensuring high-quality standards. Jo ...

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 Mobile Engineer: Build Scalable iOS & Android Apps

emagine is seeking a Senior Mobile Engineer to join an international project focused on building high-quality mobile applications for both iOS and Android platforms. The ideal candidate will have over 7 years of mobile development experience, strong hands-on expertise in iOS (Swift) and Android (Kotlin), and ...

AI Security Engineer: Secure AI at Scale (Hybrid)

Nimber is seeking a skilled AI Security Engineer to secure AI use cases and components within a hybrid work setting. You will play a vital role in ensuring that all AI implementations adhere to stringent security controls, translating group policies into actionable practices. The ideal candidate will h ...

Azure Data Engineer — Cloud Native Analytics (Lisbon, Hybrid)

Hiire is looking for a Data Engineer to join an international technology-driven organization based in Lisbon. You will work on designing scalable data pipelines and managing data architectures utilizing Azure technologies while enabling data-driven decision-making. The role involves collaborating with ...

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 ...

GenAI Engineer: Cloud Native AI & LLM Solutions Leader

Inetum is seeking a talented and experienced Generative AI Engineer in Lisbon, Portugal. The role focuses on developing scalable applications using Generative AI technologies integrated within cloud infrastructures. Candidates should have extensive experience in Machine Learning, Generative AI, and cloud service ...

Remote Senior ML Engineer, Finance Global Client Scoring

Fundraise Up is looking for a Senior ML Engineer based in Lisbon, Portugal, to lead a strategic client intelligence initiative. This role involves building sophisticated market‑intelligence databases and deploying effective scoring models that integrate seamlessly into the sales pipeline. The ideal can ...

Senior Infrastructure & DevOps Engineer On Prem to Cloud

emagine is looking for a Senior Infrastructure / DevOps Engineer in Lisbon, Portugal, to enhance the stability and reliability of technology platforms. The ideal candidate must have over 7 years of experience in infrastructure and DevOps roles, extensive knowledge of on-premises environments, Proxmox, Linux syst ...

Senior ML Engineer Scalable AI Pipelines (Hybrid, Lisbon)

An international technology company in Lisbon is seeking a Senior Machine Learning Engineer to design and deploy machine learning pipelines in a hybrid work environment. The ideal candidate has 5+ years of experience with Python, Azure/AWS, and Spark, and will collaborate with Data Scientists and Engineers to bu ...

Hybrid AI Engineer for Real Time Museum Avatars

Alpa is seeking an AI Engineer to lead the development of the AI-driven avatar technology. This position is pivotal in transforming visitor experiences in cultural venues, allowing for real-time enrichments through advanced AI. The ideal candidate will have a solid background in AI/ML, fluency in Pytho ...

Senior ML Engineer: LLMs & Scalable AI for Enterprise

A leading customer experience solutions provider based in Lisbon is seeking a Machine Learning Engineer to develop and deploy advanced ML solutions, particularly leveraging large language models. This role requires 3+ years of experience in data science and involves collaborating closely with technical and non-t ...

Senior Platform Engineer GCP, CI/CD, Reliability (Remote)

Kevel Audience is seeking Platform Engineers to join their team in Porto or remotely in Portugal. Platform Engineers are vital to maintaining the infrastructure, tooling, and services that the engineering teams rely on. The role involves enhancing developer tooling, operating production systems, and resolving op ...

Senior Generative AI Engineer Lisbon Onsite (2 days)

IT International Mobility is seeking a Senior AI Engineer specializing in Generative AI to be based in Lisbon. The role requires a strong background in AI and Machine Learning with at least 4 years of hands-on experience, particularly in Python and working with Large Language Models. Successful candida ...

Senior DevOps Engineer — IaC & Cloud Automation for Voice

Five9 is seeking an experienced engineer to design and maintain Infrastructure as Code (IaC) frameworks in Lisbon. You will automate the deployment of voice technologies and optimize platform reliability. The ideal candidate has over 5 years of experience in DevOps, with proven skills in automation tools like ...

Distributed Systems Engineer – High Scale, AI Driven Platform

Lucidya | لوسيديا is seeking an experienced engineer in Lisbon to work on an AI-powered Customer Experience Management platform. The role involves designing high-throughput pipelines, optimizing databases, and ensuring system reliability. Candidates should have a strong foundation in distributed systems and expe ...

Senior Cloud Platform Engineer: DevSecOps & CI/CD Lead

A dynamic tech consultancy is seeking a seasoned Platform Engineer (Senior Consultant level) in Lisbon, Portugal. The ideal candidate will have at least 5 years of experience in cloud environments like AWS and Azure, with expertise in CI/CD pipelines and containerization using Docker and Kubernetes. Strong scrip ...

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 ...

East West Network Security Engineer (NSX T & VRNI)

HN Services Portugal is searching for a Network Security Specialist in Lisbon. This role focuses on east-west traffic analysis and requires strong expertise in VMware NSX-T and VRNI. You will identify security gaps and drive remediation activities in complex enterprise environments. The ideal candidate ...

Electronics engineer R&D Radar (f/m/div.)

Lisbon, Lisbon Metropolitan Area, Portugal Company: Jobio Client / Employer: The Bosch Group, Inc. Job Description Step into the driver's seat of innovation. Here in Lisbon, you will join an elite team at the forefront of automotive sensors technology. We are dedic ...

Senior ML Engineer — Build AI Driven Platform & Impact

Hiire is looking for a Senior Machine Learning Engineer to join their innovative, product-driven team in Porto, Portugal. In this role, you will design and develop AI/ML capabilities that power the core platform, working closely with the founding team to make impactful contributions. The ideal candidat ...

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    Full Stack Software Engineer React Java Spring Boot Jobs in Portugal Job Search Guide, Trends and Insights