Tech jobs
Job listings
Senior Backend Engineer – Integrations & Automation (Remote)
Senior backend engineer at Ainur builds integrations and automation linking bookkeeping systems, ERP, and legacy databases for Dutch clients, designing data models and owning services, workers, and dashboards end to end. Core stack: Go and TypeScript server-side, PostgreSQL, and cloud tooling; remote by default.
Senior Kotlin Backend Engineer for High-Volume e-Finance
Sytac BV is hiring a Senior Kotlin Backend Engineer to architect, build, and scale backend services for high-volume financial processing on invoicing and settlement platforms in an agile SCRUM environment. The stack centers on Kotlin, REST APIs, Kafka/RabbitMQ, and modern observability.
Senior Backend Engineer, EV Charging Platform (AI‑First)
Senior Backend Engineer on Fastned's Operator team, building and evolving backend systems that run one of Europe's EV fast-charging networks, including the Revolt Admin tool and an internal operations platform. Core stack: Kotlin/Java, microservices on AWS, Docker/Kubernetes, PostgreSQL; OCPI/OCPP and AI skills are a plus.
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.