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Senior PHP Backend Engineer - Build APIs in Amsterdam
Builds the backend core of web applications and portals — business logic, databases, and external integrations — in an Amsterdam office, collaborating with frontend designers and developers. Requires 5+ years of PHP with Laravel or Symfony.
Senior Backend Engineer, AI Platform (Toqan)
Senior backend engineer on Toqan, Prosus's internal AI platform powering agentic AI products across its 100+ company group. Day to day: building agent runtimes and orchestration in Go on AWS, integrating LLMs and tool-calling, and hardening reliability, observability and CI/CD in a 12-person Amsterdam team.
Senior Backend Java Developer - Banking | Lisboa | Hybrid
Askblue is hiring a Senior Backend Java Developer for a banking-sector project in Lisbon, working hybrid (two office days per week). The role centers on Java 17+, Spring Boot, and APIs, with a stack including Kafka, Docker/Kubernetes, and Oracle/PostgreSQL/MongoDB databases.
Senior Backend Go Developer
Senior backend developer building a multilanguage, cloud-native loan-broker platform for fintech client Axo Group — owning Go services on AWS end-to-end (APIs, event-driven queues/jobs, PostgreSQL) in an AI-first workflow using Claude Code. Hybrid: 2 days/week from the Lisbon office.
Senior Java Backend Developer — French Speaker (Hybrid)
Dellent, an IT consulting company, is hiring a senior Java backend developer (9+ years) for a hybrid project in Porto or Lisbon. Day-to-day work centers on Spring Boot microservices, REST APIs, SQL/NoSQL, and CI/CD with Docker/Kubernetes, Jenkins and GitLab CI; French (C1/C2) and English are required.
Senior Java Backend Developer — P&L Systems, Porto
Senior Java Backend Developer in Porto building and modernizing P&L (profit & loss) services on a risk-focused platform. Day-to-day work spans redesigning P&L processing with Java, Spring Boot, Kafka, and OpenShift, plus automated testing in an Agile, TDD environment across the full software lifecycle.
Senior Java Backend Developer – P&L Systems
Senior Java backend developer on a bank Risk-department project to modernize the platform that loads, certifies, and publishes the bank's P&L results. Day-to-day work involves Java/Spring Boot services, SQL databases, SingleStore, Kafka, and OpenShift, with automated testing in an Agile/TDD environment.
Senior Developer Backend
Senior backend developer at a sleep-health company, designing, building, and maintaining scalable backend systems for the Nox Cloud platform in Agile teams. Core stack is Java/Kotlin with Spring, Hibernate, and SQL/NoSQL databases, plus production troubleshooting and code reviews.
Senior Backend Developer (Java | ELK )
Senior backend developer on a large-scale digital platform in downtown Lisbon (hybrid, 3x/week on-site). Day to day: designing RESTful APIs and backend services in Java (WildFly, EJB, Jakarta), with Elasticsearch as the core search engine, plus GitLab CI/CD, Docker, Redis, and MongoDB in an agile team.
Senior Java Backend Developer
Fully remote Senior Java Backend Developer (7+ years) joining an international team on a large-scale project. Day to day is backend engineering with Java, Spring Boot, Azure Cloud, Kubernetes, Kafka, Terraform, and GraphQL Federation.
Senior Java Backend Developer
Planck Technologies is hiring a Senior Java Backend Developer in Lisbon (hybrid, 3 days/week onsite) to lead Java microservices work on a global luxury-goods client's Unified Commerce platform. Core focus: IAM architecture (Keycloak, Okta, OIDC), security, code quality tooling, and mentoring junior developers.
Senior Java Backend Developer
Senior Java Backend Developer at a consulting/nearshore firm: designs and builds Java backend services and APIs, Kafka event-driven integrations, Terraform IaC, and Kubernetes deployments, applying TDD, CI/CD, GraphQL Federation and Azure. Hybrid role in Lisbon, Porto, Braga or Coimbra (2 days/week in office).
Senior Backend Developer (.NET)
Senior backend developer building and maintaining Emotion Mobility's web applications, REST APIs, and backend services in C#/.NET with SQL databases, Git, and Agile/Scrum, across the full development lifecycle. Hybrid role based in Oeiras, Portugal (3 office days/week), €58,500 annual base salary.