Top Software Engineer Jobs in Portugal

Build and own end-to-end features across Sona’s platform using AI-assisted development. Direct and correct agent-produced code, work cross-functionally, engage customers in discovery and workshops, and contribute across scheduling, payroll, HR, and mobile domains.

The Senior Software Engineer will design and improve backend applications, integrating AI tools, and ensuring quality in collaborative Agile environments. Responsibilities include promoting clean code practices and enhancing system performance.

Own and improve core scraping and job-execution infrastructure for high-throughput distributed workloads. Design fault-tolerant, observable systems, lead reliability and scaling efforts, define SLAs, run incident response, mentor engineers, and contribute to architecture decisions to maximize throughput and platform availability.

Design, implement, and maintain scalable microservices and APIs using cloud-based architectures. Collaborate across product and engineering teams, ensure automated testing and CI/CD, integrate external systems, and mentor others while delivering secure, production-ready code.

Build and architect Alpaca's advisory services (block trading, portfolio management, IRA). Design scalable, low-latency distributed systems, write full-stack code, optimize throughput, work with messaging systems and OMS, and implement high-availability, concurrency-safe solutions for financial trading/exchange workloads.

Build and maintain core post-trade clearing systems and securities-finance infrastructure. Own projects end-to-end, design reliable distributed services and RESTful APIs, integrate new clearing partners, participate in on-call rotation, and improve systems to enable new product offerings.

As a Senior Software Engineer, you'll design and build scalable market data systems, improve API architecture, and enhance overall system performance, contributing to Alpaca's infrastructure for trading financial assets.

Design, develop, and maintain Verifone's next-generation payment and commerce platforms using C/C++ and Java. Work close to the Android stack (HAL), enforce coding standards, influence architecture, and use CI/CD and Linux-based tooling while collaborating with cross-functional teams.

Design, build, and maintain RESTful, asynchronous microservices and APIs for internal and external customers. Optimize service performance at scale, deliver high-quality code reproducibly, and evolve the Service Delivery platform while collaborating across teams to drive features to completion.

Lead the development of software solutions for a logistics platform, overseeing technical strategy, mentoring teams, and ensuring high-quality software delivery.

As a Junior Software Engineer at Dashlane, you will focus on backend development, collaborating with various teams to enhance user experiences and drive business growth.

Design, implement, unit-test and document embedded C/C++ software for high-availability public-address and voice-alarm systems. Integrate and commit code, fix build failures and defects, create reusable components, consult on OSS usage, and maintain clean-code practices while collaborating in a team.

The Senior Software Engineer will provide technical insights, mentor team members, participate in code reviews, and manage technical risks while working on diverse projects across various industries.

Design and develop services for automating work with a large server fleet while engaging in DevOps processes.

Design and develop services for monitoring servers, improve metrics pipelines, automate maintenance workflows, and investigate incidents to ensure infrastructure reliability.

Develop reliable cloud services on the hyperscaler platform, contributing to cloud infrastructure, databases, and monitoring systems. Must write reliable code with team-oriented skills.

Develop and optimize data structures and high availability algorithms, troubleshoot Java applications, focusing on distributed systems and data consistency.

The Senior Software Engineer (Infrastructure) will design and build reliable systems, develop observability tools, automate deployment processes, and enhance code quality, while collaborating closely with other engineers.

Design and maintain the Aura AI Platform infrastructure, manage distributed systems, lead technical initiatives, ensure high quality and performance, and mentor other engineers.

Seeking a Senior/Principal Software Engineer to lead technical design for SingleStore's cloud platform, solve complex system problems, and mentor other engineers. Requires extensive experience in system-level software development and familiarity with distributed systems.

Build and maintain intelligent payment data products to improve payment recovery and fraud prevention. Collaborate with engineers and stakeholders to develop Success+ and Protect+ features, improve ML models and rules, and enhance authentication flows to drive revenue and product adoption.

The Senior Software Engineer will build and maintain foundational services and SDKs, optimize functionality, and enhance user experience through collaboration with product teams.

Lead the design, architecture, and development of native Windows desktop applications. Ensure best practices in coding, accessibility, and user experience. Oversee full lifecycle of features, from conception to maintenance, and collaborate with cross-functional teams to shape products.

The Senior Software Engineer will build and optimize core services and SDKs, collaborating with product teams to enhance user experience and system efficiency using Kotlin and cloud technologies.

Develop and maintain Autodesk Fusion's API. Responsibilities include defining API, code reviews, mentoring, and collaborating with teams to improve service quality.