15,845+ Senior Software Engineer Java Python Jobs in Portugal — Top Companies Hiring June 2026

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Mid / Senior Java Developer

Overview: We are seeking an experienced Java Developer to join the Orion delivery team in Lisbon. Orion is a strategic Control Framework and Supervision platform supporting non financial risk across CIB. You will contribute to the design, development, and evolution of a scalable, robu ...

Senior Java Backend Developer

Senior Java Backend Developer – Omnichannel Retail Location: Lisbon, Portugal (Hybrid – 3 days onsite per week) Start Date: Immediate Contract: Initial 6-month contract with a strong possibility of extension About the Rol ...

Senior Java Backend Developer

Senior Java Backend Developer – Omnichannel Retail Location: Lisbon, Portugal (Hybrid – 3 days onsite per week) Start Date: Immediate Contract: Initial 6-month contract with a strong possibility of extension About the Rol ...

Mid / Senior Java Developer

Overview: We are seeking an experienced Java Developer to join the Orion delivery team in Lisbon. Orion is a strategic Control Framework and Supervision platform supporting non financial risk across CIB. You will contribute to the design, development, and evolution of a scalable, robust solutio ...

Mid / Senior Java Developer

Overview: We are seeking an experienced Java Developer to join the Orion delivery team in Lisbon. Orion is a strategic Control Framework and Supervision platform supporting non financial risk across CIB. You will contribute to the design, development, and evolution of a scalable, robust solutio ...

Mid / Senior Java Developer

Overview: We are seeking an experienced Java Developer to join the Orion delivery team in Lisbon. Orion is a strategic Control Framework and Supervision platform supporting non financial risk across CIB. You will contribute to the design, development, and evolution of a scalable, robust solution, working ...

Senior Java Backend Developer

Senior Java Backend Developer – Omnichannel Retail Location: Lisbon, Portugal (Hybrid – 3 days onsite per week) Start Date: Immediate Contract: Initial 6-month contract with a strong possibility of extension About the Rol eWe are looking for an experienced Senior Java B ...

Senior Java Backend Developer

Senior Java Backend Developer – Omnichannel Retail Location: Lisbon, Portugal (Hybrid – 3 days onsite per week) Contract: Initial 6-month contract with a strong possibility of extension About the Rol We are looking for an experienced Senior Java Backend Developer to join ...

Senior Backend Engineer – AdTech ID52365

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If ...

Senior Backend Engineer – AdTech ID52365

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If ...

Senior Backend Engineer – AdTech ID52365

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If ...

Senior Backend Engineer – AdTech ID52365

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If ...

Senior Backend Engineer – AdTech ID52365

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If ...

Senior Scala/Java Data Engineer Remote & Flexible Hours

BairesDev is seeking a Senior Software Engineer (Scala) to design and develop distributed data processing components and optimize performance. You will work remotely and be part of a diverse team that drives impact worldwide. The ideal candidate has over 5 years of IT experience, with a strong focus on ...

Senior Java AI Engineer – Hybrid Lisbon AI Systems

EPAM Systems is looking for a Senior Java AI Engineer to join our team in Lisbon, Portugal. The role involves designing microservices, ensuring quality in development practices, and monitoring code quality. Candidates should have proven experience in backend development with Java and knowledge of DevOp ...

Senior Java Backend Engineer — Remote with Growth & Perks

A leading technology company is seeking a Senior Java Backend Developer to join their remote international team. The ideal candidate will have over 7 years of experience in backend development and proficiency in Java and Spring Boot. Experience in the retail or gambling industry is a plus. This role offers caree ...

Senior AI Engineer with Java Portugal Full Remote

Senior AI Engineer (Java/LangChain) - Full Remote Portugal ABOUT THE OPPORTUNITYWe are partnering with an innovative, global software engineering company focused on building high-impact technology that improves lives. We are seeking a highly skilled Se ...

Senior Full Stack Engineer (Java/React) Remote & Growth

A tech company in Coimbra is seeking a Middle/Senior Full Stack Engineer proficient in Java and React.js. This role involves shaping a beta-stage enterprise platform for purchasing and supply chain, focusing on performance and reliability. The ideal candidate should have over 5 years of full stack development ex ...

Senior Software Developer

Your Title : Senior Software DeveloperJob Location : Europe , RemoteAt Trimble, we build innovative products that change the way the world works. We are seeking enthusiastic and experienced professionals to build our next generation platform services for Transportation products and ...

Senior Software Engineer.Net

We are building a world-class team to evolve a high-performance, event-driven ecosystem. We don’t just write code; we architect solutions that handle complex financial and data workflows. As a Senior Software Engineer, you will be at the forefront of our migration to .NET 8 and the integration of Generative A ...

Senior Software Engineer.Net

We are building a world-class team to evolve a high-performance, event-driven ecosystem. We don’t just write code; we architect solutions that handle complex financial and data workflows. As a Senior Software Engineer, you will be at the forefront of our migration to .NET 8 and the integration of Generative A ...

Software Engineering Senior

Hi, I'm Juhi Banerjee, your Recruiter and guide to joining CSG! We are excited to learn more about you and your unique background.As a Software Engineering Senior, you will be responsible for leading technical delivery, guiding engineers, and contributing directly to system design and implementation. Y ...

Software Engineering Senior

Hi, I'm Juhi Banerjee, your Recruiter and guide to joining CSG! We are excited to learn more about you and your unique background. Roles & Responsibilities Technical Leadership & Delivery Lead the design and implementation of complex software features and services from con ...

Senior Backend Engineer ID63544

Job DescriptionAgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us ...

Senior Backend Engineer ID63544

Job DescriptionAgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us ...

Senior Backend Engineer ID63544

Job DescriptionAgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us ...

Senior Backend Engineer ID63544

Job DescriptionAgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us ...

Senior Backend Engineer ID63544

Job DescriptionAgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us ...

Senior Backend Engineer ID63544

Job DescriptionAgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us ...

Senior Backend Engineer ID63544

Job DescriptionAgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us ...

Senior Backend Engineer ID63544

Job DescriptionAgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us ...

Senior Backend Engineer ID63544

Job DescriptionAgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us ...

Senior Backend Engineer ID63544

Job DescriptionAgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us ...

Senior Java Engineer — Build Scalable, Product Driven Backend

A leading payment technology company in Lisbon is seeking a Senior Software Engineer (Java) to enhance its backend services. The role requires 5+ years of experience with high-availability systems and cloud-based solutions. Candidates should have a strong focus on customer outcomes and the ability to mentor team ...

Senior Java Backend Engineer for Fintech Trading (Remote)

Devexperts LLC is seeking a Senior/Staff Backend Engineer in Porto. You will lead the design and implementation of brokerage systems in a global financial technology platform with a focus on trading solutions. The ideal candidate possesses 6+ years of experience in backend development, particularly in ...

Senior Java/React Full Stack Engineer, Cloud Native

SIXT in Lisbon is seeking a Senior Full Stack Engineer to modernize business-critical systems and contribute to a large-scale transformation. This role involves designing and developing distributed systems using Java and React, with a strong focus on scalability and cloud-native technologies. As part o ...

Senior Java Full Stack Engineer | Spring Boot & REST

Inetum is seeking a Senior Java Full Stack Developer in Lisbon, Portugal. The role involves developing and maintaining features, supporting production tasks, and engaging in agile processes. Candidates should have strong Java skills and knowledge of Spring, Rest services, and experience with various technical to ...

Senior Java Engineer – Cloud Native, Remote & API Focus

A software development company in Lisbon is seeking a Senior Software Engineer to design and maintain modular Java-based components. The ideal candidate has over 5 years of experience in product software development and a strong understanding of cloud-native applications. Responsibilities include developing APIs ...

Senior Java Engineer Low Latency FX Trading Platform

eXalt is seeking an experienced Senior Developer for an FX electronic trading platform project in Lisbon. The successful candidate must have strong expertise in Java Core (Java SE), multithreading, and performance optimization. Responsibilities include developing the platform, ensuring its quality and perform ...

Senior Java Backend Engineer – Center of Excellence Lead

A leading multinational company is seeking a Senior Java Developer to contribute to the establishment of a center of excellence. This role requires strong Java backend development skills and mentoring of junior developers. You must have a higher education degree and 5+ years of experience, particularly with Spri ...

Senior Backend Engineer (Kotlin/Java) – Hybrid in Portugal

A leading IoT startup in Lisbon is seeking a passionate Backend Developer to design, implement, and operate backend services in a flexible hybrid work environment. The candidate should have over 5 years of software development experience and strong expertise in Kotlin or Java. Responsibilities include deploying ...

Hybrid Senior Java AI Engineer: Microservices & AI Delivery

EPAM Systems is seeking a Senior Java AI Engineer to join the team in Lisbon, Portugal, in a hybrid working model. You will design and develop microservices into fully functional systems while applying AI tools throughout the software development lifecycle. This role emphasizes quality assurance, code ...

Senior AI Engineer

Senior AI Engineer Lisbon Remote English, Python, Java, Tensorflow, PyTorch, Keras, LangChain, NumPy, Pandas, Matplotlib, Apache Hadoop, Apache Spark, Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP) Description Seeking a Senior AI Engi ...

Senior C++ Software Engineer (100% Remote Portugal)

Join Tether and Shape the Future of Digital Finance At Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate reserve-back ...

Senior Software Engineer – Fully Remote, Impactful Builds

An innovative product development team is seeking a Senior Software Engineer to join their dynamic environment. In this role, you'll have the chance to work with cutting-edge technologies and diverse programming languages, contributing to high-profile projects that shape the future. You'll collaborate closely wi ...

Senior C++ GPU Software Engineer & Team Lead

USound in Portugal is looking for a Senior C++/GPU Software Engineer / Team Lead to design and develop enhancements for query execution in distributed databases. This role involves hands-on GPU development and requires over 5 years of software engineering experience. The candidate should have knowledge of query ...

Senior Software Engineer | Aura Platform New Portugal

Senior Software Engineer | Aura Platform Portugal Position Overview We are looking for a Senior Software Engineer to join the Aura AI Platform team. You will design, build, and operate the infrastructure that runs customer workloads (Notebooks, Jobs, Apps, AI Agents, and Model‑s ...

Senior Software Engineer — Remote First, Booking Automation

The Flex is seeking a Senior Software Engineer to develop and maintain scalable services that enhance guest experience and automate operations. This role involves building core systems that support bookings, payments, and real-time synchronization across platforms. You will collaborate with product and ...

AI enabled Senior Software Engineer (Typescript Focus)

TL;DR: Senior Software Engineer specializing in TypeScript while using AI daily to build browser automations, seeking a fully remote role within ±3 hours of CET (Berlin). You thrive on solving real problems, are eager to grow, and want to work closely with a small, tight‑knitted team to transform h ...

Senior Software Engineer Agent & Datapath (eBPF) Isovalent

Isovalent, now part of Cisco, is the company founded by the creators of Cilium and eBPF. Cisco Isovalent builds open-source software and enterprise solutions solving networking, security, and observability needs for modern cloud native infrastructure. The flagship technology, Cilium, is the choice of numerous, i ...

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