Top Software Engineer Jobs in Portugal

Senior Software Engineer to design and implement C++/Python software, accelerate workloads with CUDA, develop and maintain Linux kernel modules and system services, optimize system and GPU performance, manage Linux systems, mentor junior engineers, and integrate AI technologies across products.

Build, deploy, and operate Cloudbeds' POS end-to-end: React Native/Expo frontend, Python/FastAPI backend, and Terraform/Kubernetes infrastructure. Implement offline-first sync, reliable APIs, observability, testing, and production support while collaborating across product, design, payments, and infrastructure teams.

The Senior Software Engineer will design and develop high-quality web and mobile applications, ensuring code quality while collaborating with product teams and mentoring junior engineers.

The role involves architecting AI solutions for compliance, ensuring regulatory adherence, automating processes, and enhancing team capabilities through technology and training.

As a Senior Software Engineer, you will focus on backend development using C# and contribute to improving our MES platform through scalable software solutions.

Build and ship secure, production-ready CI/CD and AI-integrated features end-to-end. Design, implement, and iterate on products (e.g., hardened GitHub Actions, agent features), work closely with Product and front-end teams, make architectural decisions, and extend Chainguard's agentic AI capabilities into customer-facing experiences.

Senior Software Engineer responsible for designing and delivering high-quality .NET/C# microservices, mentoring engineers, driving architecture and technical decisions, operating event-driven systems (Kafka/publish-subscribe), using SQL and NoSQL datastores (Postgres, ElasticSearch, MongoDB, Redis), ensuring documentation, monitoring/incident response, and promoting best practices and continuous improvement.

Build and maintain user-facing features and interfaces for Restream web services. Design and implement UI and business logic, collaborate with product designers and engineers, perform code reviews, improve reliability and scalability, and evaluate emerging technologies.

As a Principal Software Engineer at Autodesk, you will shape technical direction, solve complex design automation challenges, and collaborate with cross-functional teams to deliver user-facing products. You'll work hands-on with cloud-based systems and drive architectural decisions, contributing to sustainable solutions in design.

Join the Kubernetes product team to design and implement Kubernetes operators and addons, write high-quality Golang and Python code, debug issues, collaborate with a distributed team, mentor colleagues, and contribute to open-source integration and lifecycle management. Travel 2–4 weeks yearly for team events.

As a Junior Software Developer, you will develop innovative solutions for clients using OOP, web development, and database skills, working in a team environment.

Develop and maintain high-performance backend services for Network APIs, xSIM management, and recording platforms. Design scalable, resilient architectures, implement new features, write tests and benchmarks, enable observability, participate in code reviews, and own end-to-end delivery while collaborating across teams.

Build and maintain services and tooling to automate and secure network lifecycle across data centers. Implement CI/CD, staged rollouts, drift detection, observability pipelines, and APIs that integrate network source-of-truth with the cloud platform. Collaborate with network engineers and SREs to turn operational pain into production-grade automation and tooling.

Develop and maintain software solutions using Python and Go. Contribute to programming activities within technology-focused projects and collaborate with project teams to deliver software development objectives. Hybrid role based in Aveiro.

Work on Percona's open-source MongoDB operational tools (primarily ClusterSync and also Backup). Build and harden a Go-based replication engine handling initial cloning and continuous change streams, ensure correctness and fault tolerance at scale, support sharded clusters, optimize performance and resource usage, and maintain CLI/HTTP APIs, metrics, logging, tests, and packaging. Collaborate openly via GitHub pull requests and JIRA.

Develop core backend components for a blockchain network, focusing on networking, reliability, scalability, and high-quality software practices.

Develop and enhance front-end, server-side, and database applications, focusing on blockchain products while ensuring high performance and security.

Dragonfly is seeking Software Engineers for various portfolio companies, focusing on crypto technologies. Engineers of all experience levels are needed across multiple stacks.

The role involves developing enhancements within D365FO, managing environments, providing 3rd Level support, and collaborating with teams on solutions.

As a Distributed Systems Engineer, you'll design and evolve LiveKit's core systems, implement resilient architectures, and enhance reliability and developer velocity, working on critical features in production environments.

The Senior Infrastructure Engineer will manage and scale LiveKit's core infrastructure, focusing on reliability and performance, while working on Golang code and automation for distributed systems.

Design and evolve core control, data, and observability systems; implement resilient region-spanning architectures; build libraries, protocols, and tooling; diagnose and harden critical paths using metrics, tracing, and testing; and shape platform capabilities across identity, scheduling, observability, and distributed state management.

Design, implement, and manage LiveKit's infrastructure, focusing on performance, reliability, and automation while ensuring effective incident management and coordination with vendors.

The role involves designing and evolving core systems at LiveKit, implementing resilient architectures, and building tools to enhance system reliability and developer speed. Strong distributed systems experience and programming skills are essential.

Design, implement, and operate low-latency, highly available distributed control, data, and observability systems. Build region-spanning architectures, libraries, protocols, and tooling; diagnose and harden critical paths using metrics, tracing, testing, and real traffic; and shape platform capabilities around identity, scheduling, observability, and distributed state management.