Remote Backend Jobs in Portugal

Set technical direction for software that plans and optimizes SQL queries and matches queries to precomputed results. The role spans complex engineering work across product compon…

Lead the people, delivery, and technical direction of a team building a managed change data capture product. The service copies selected database tables to external analytical des…

Lead the people, delivery, and technical direction of a team building a globally distributed real-time service. The product supports low-latency messaging, shared client state, an…

Secure customer-facing AI agents and the data and services they can access. You’ll assess how agents, integrations, and access controls could be abused, then implement protections…

Create practical learning experiences that help developers discover a backend platform and build confidently with it. This developer relations role blends full-stack development,…

Join a platform team responsible for improving engineering productivity and the reliability of shared infrastructure. You’ll maintain development and deployment systems, build too…

Lead the design and delivery of master data management solutions on the Reltio Connected Data Platform. You’ll shape how business data is modeled, connected, governed, and maintai…

Build and maintain reliable Rust services at the heart of a system that connects physical meter readings with forecasts and electricity settlement. The work focuses on protocol co…

Build backend systems that automate how funds are positioned, moved, settled, and safeguarded across financial accounts, providers, and jurisdictions. The work sits within a treas…

Build and operate a global compliance product as a full-stack product engineer. You’ll work across backend services and a web frontend, help shape product decisions, and guide AI…

Own technical delivery for enterprise AI projects, taking work from early scoping through implementation and production launch. Partner with customers and internal teams to turn a…

Build and maintain React interfaces used by customers and internal teams across a portfolio of products. You’ll turn design concepts into responsive, accessible software and work…

Work live through realistic payment-processing coding and review scenarios in a sandboxed codebase, explaining your decisions as you go. Your practical expertise will help establi…

Build the product systems that make AI agents useful and dependable in real-world workflows. You’ll work across frontend, backend, and AI integrations, shaping how agents plan, us…

Lead the technical direction and engineering for an AI agent platform used by revenue teams. As the first technology executive, you will own the platform end to end, shape its arc…

Help keep production software reliable by building automated tests that uncover meaningful defects before release. You’ll work alongside engineers to investigate issues, address t…

Build and operate the backend infrastructure that helps AI systems run reliably and safely in production. The work spans model serving, orchestration, durable execution, observabi…

Build and improve blockchain integrations for a cryptocurrency wallet. This hands-on engineering role spans core software components, connections between prototypes and live data,…

Develop and operate software that supports radar systems and the processing of sensor data for space monitoring missions. You’ll work across software, radar, signal processing, in…

Build software that helps developers and AI agents work effectively with a broad developer platform. You will own tools such as agent integrations, skills, and a dashboard assista…

This is an open application for people interested in contributing to software, energy planning, data, project delivery, communications, or other work that supports the energy tran…

Lead an established engineering team building product capabilities that improve customer value and support business growth. The role blends people management, product and technica…

Lead the engineering teams responsible for a developer platform’s partnerships, integrations, and marketplace. You’ll build this organization as it grows, set its technical direct…

Turn operational challenges into useful production software by working directly with customers and the teams who support them. You’ll own solutions from workflow discovery and pro…

Build and evolve a wallet SDK, then help product teams integrate it across web, desktop, and mobile applications. The role combines SDK and API development with hands-on integrati…

Build user-facing product features from idea through release, with a strong focus on user experience and fast iteration. Alongside new development, you will take ownership of prod…

Operate and scale the multi-chain infrastructure that supports products and wallets. The work spans blockchain nodes, indexing, and high-throughput on-chain data pipelines, with a…

Develop production peer-to-peer applications in which data stays on users’ devices and synchronises directly between them. The work focuses on secure, offline-capable software and…

Build and scale a healthcare product across its interface, data layer, AI features, and supporting infrastructure. You’ll own features from design through deployment and monitorin…

Lead the backend architecture and delivery for a conversational AI copilot that helps customer service administrators configure and improve their systems through natural language.…

Build and operate backend capabilities for an AI copilot used by customer service teams. You’ll own substantial product features from technical design through launch and iteration…

Build and operate core backend services that move, record, and settle financial transactions. The work centers on ledgering, orchestration, and settlement integrity, with a strong…

Build end-to-end product features for merchants and operators who need to review financial information and take action. The work covers API design through browser interfaces, with…

Build and improve the digital tools members use to find healthcare, understand their coverage, submit claims, and manage health plans. This senior individual contributor role span…

Design and build AI systems that can reason, plan, and work with both structured and unstructured data. You’ll contribute to autonomous agents and the supporting retrieval, data,…

Own the product direction for integrations that connect merchants’ stores to online sales channels. Lead a cross-functional squad to make it easier for merchants to connect stores…

Improve product quality by building and maintaining automated tests, test frameworks, and release processes. You’ll work across web, mobile, API, and database testing, partnering…

Shape and build internal production and workforce systems used across manufacturing facilities. The software supports workflows from production-floor guidance and quality inspecti…

Own a defined area of a product during a six-month contract, taking features from data design through implementation and release. You’ll work across the stack on a small, experien…

Build and scale backend services that support a high-volume AI platform, including authentication, streamed responses, billing, webhooks, and agent dispatch. The role focuses on d…

Lead the engineering team responsible for a secure managed-attribution application that runs mainly in on-premises environments, with one cloud-based component. You’ll set technic…

Lead several engineering and IT teams responsible for building and operating a high-performance trading platform. The group spans infrastructure and networking, trading connectivi…

Shape the architecture of a cloud software platform as a hands-on technical leader. You’ll build production services, guide the shift from a monolithic codebase toward modular sys…

Lead the engineering work to move application and infrastructure monitoring from an existing observability platform to an OpenTelemetry Collector-based setup. The role covers inst…

Build security products in a small, high-ownership engineering team. Depending on the team, the work may involve shipping product features across the frontend and backend, or expe…

Help protect corporate systems and infrastructure by handling security requests, investigating vulnerabilities, and supporting improvements to security controls. You’ll work with…

Help build the runtime that executes analytical queries at scale, translating query plans into reliable, efficient processing. You’ll contribute well-scoped improvements to an est…

Support customer deployments and operations for a cloud-hosted enterprise application while helping maintain a scalable, reliable, and highly available platform. The role combines…