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Product Software Engineer-Backend (Java)

PRT - Porto💼 Full-time🗓 2026-07-02 → 2026-07-30

Core

Design and build scalable backend solutions for Flowin, a SaaS-based e-invoicing platform, enhancing digital capabilities like Peppol integration.

Role type

Senior Product Software Engineer (Backend)

Builds

SaaS e-invoicing solutions (Flowin) for finance, tax, and accounting professionals

Domain

Finance, Tax, Accounting, Risk, Compliance

Deliverable

production ML models | product features

Required skills

Java (Spring Boot), REST/GraphQL API design, Microservices, AWS SQS/SNS or GCP PubSub, SQL (Oracle/Postgres), NoSQL, CI/CD (GitLab/Jenkins), Kubernetes, Terraform/AWS CDK/Pulumi/Ansible/Helm

Preferred skills

Serverless architectures, Agile (Scrum/Kanban), Infrastructure as Code

Technologies

Java, Spring Boot, AWS, GCP, Kubernetes, Git, Maven, IntelliJ, Oracle, Postgres, GitLab, Jenkins, Terraform, AWS CDK, Pulumi, Ansible, Helm

Responsibilities

Design and implement scalable, maintainable, and high-performance software solutions; Contribute to backend development, infrastructure (IaC), and CI/CD pipelines; Drive continuous improvement through refactoring, testing, and code quality initiatives; Work closely with product managers, designers, and engineers to define and deliver features; Participate in Scrum ceremonies and agile planning processes; Collaborate with other developers to share expertise.

Seniority

Senior, hands-on IC

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