Top Software Engineer Jobs in Portugal

Design, implement, and optimize Elasticsearch core storage and query engine for logs and metrics. Lead architectural improvements, resolve performance bottlenecks, mentor engineers, drive cross-organizational initiatives, triage community issues, and write idiomatic modern Java for high-performance distributed systems.

Design, build, and operate cloud-native, event-driven microservices using Go/Python. Integrate LLMs and agent frameworks into production, deploy on Kubernetes with GitOps, own CI/CD, testing, observability, and participate in design and reviews.

The Senior Software Engineer will collaborate in small teams to develop and maintain backend and frontend components, focusing on high-availability systems, writing tests, and continuous delivery on Google Cloud Platform.

Design, implement, test, and maintain cloud-first web applications. Build secure, maintainable code using event-driven architecture and cloud services (AWS/Azure). Collaborate with cross-functional teams, mentor junior engineers, and support CI/CD and PWA development.

Lead architecture and development of cloud-native applications: containerize and orchestrate with Docker/Kubernetes, build event-driven microservices (Python/Go/Java), model network topologies with YANG/OpenConfig, manage graph (Neo4j) and time-series data, build gRPC/REST APIs, and integrate AI/ML models into telemetry pipelines.

Join as a Junior Software Engineer to learn from experienced professionals, work on real-world projects, and develop performance optimization and database skills. Adapt to varied client missions, work with modern technologies, receive mentoring, training, and certifications, and grow into a specialist role with international exposure.

Develop cloud-native production systems that process large data volumes. Engage in backend development with Rust and frontend with Angular. Collaborate on product development.

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.

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.

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

Build and maintain scalable backend systems that integrate real-time data, machine learning, and optimization models to optimize renewable and battery storage operations. Own architecture through deployment and maintenance, collaborate with engineers and data scientists, troubleshoot performance issues, and improve monitoring, reliability, and system performance.

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.

Lead the backend team for CatalyX, drive technical delivery, contribute code and reviews, mentor distributed engineers, break down requirements into tasks, resolve critical issues, uphold SDLC best practices, and set standards for AI-assisted development.

Design, develop, and maintain cloud-based microservices and APIs. Implement scalable, secure solutions, integrations, and automated testing in an agile environment. Collaborate with product and cross-functional teams, guide technical decisions, and drive CI/CD practices to support global application scaling and reliability.

Design, build, and operate distributed, high-volume transactional backend services in Go. Own scope, architecture, correctness guarantees, production behavior, observability, and automated verification. Collaborate across product, infra, and QA while using agent-driven engineering practices.

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.

Design and develop automated tests (interface, load, integrated, mobile); prioritize and automate critical business scenarios; build thorough test scenarios focused on product quality within an automation testing team.

Drive application security and regulatory compliance through vulnerability management, CI/CD and Azure-based practices, security scanning, compliance testing (DR, pen tests), and developer best-practice governance. Report on product compliance, lead technical change (GenAI, FinOps), and support remediation and patching efforts.

Design and develop automated tests (interface, load, integration, mobile) within an automation team. Automate critical business scenarios, build quality-focused test cases, and maintain frameworks and tools to ensure product reliability.

Lead technical delivery across software projects: define long-term project strategy, participate hands-on in all delivery phases, manage and mentor a technical team, ensure on-time production deployments, document systems, and provide technological advisory for ECM and process-related solutions.

The Lead C++ Software Engineer will design and optimize a distributed SQL engine, enhance query execution runtime, and lead a team while leveraging modern CPU/GPU capabilities.

As a Senior Software Engineer, you will lead your team in shipping features, making technical decisions, and mentoring others to scale products effectively.

Design and evolve systems for Motion's infrastructure, focusing on reliable and secure operations across APIs, Linux systems, and cloud environments with a focus on hands-on coding and engineering judgment.

As a Go Software Engineer for Identity Management, you will design, implement, and enhance identity management solutions, collaborate with a distributed team, and contribute to the development of authentication and authorization systems.

The Senior Software Engineer will lead the development of a Python-based platform, enhancing a mature system for open-source collaboration, mentoring teams, and driving innovation.