TL;DR

Senior Java Developer (Fintech): Building and maintaining scalable, secure, and high-performance backend systems for a next-generation fintech platform focused on core banking infrastructure. Focus on designing distributed systems, developing RESTful APIs, and ensuring system reliability and efficiency at scale.

Location: Elastic hybrid from Porto, Portugal

Salary: 250–300 EUR/MD on B2B contract

Company

%hirify_global% is a Polish IT company with over 700 experts, specializing in creating highly specialized teams for global clients and focusing on people and growth.

What you will do

Design and maintain scalable distributed backend systems
Build high-performance backend architectures and RESTful APIs
Ensure reliability, fault tolerance, and efficiency at scale
Collaborate with operations, feature teams, and product stakeholders
Document technical designs and APIs
Work with modern data stores including relational and NoSQL databases

Requirements

Minimum 5 years of experience in a similar role
Deep understanding of Java or other JVM languages
Familiarity with distributed systems concepts such as consensus algorithms and fault tolerance
Comfortable discussing and documenting technical solutions
English proficiency at minimum B2 level
Work model: Elastic hybrid from Porto

Nice to have

Knowledge of Kubernetes and containerization
Awareness of modern authentication and authorization approaches
Understanding of network protocols: TCP, TLS, HTTP
Experience in fintech projects

Culture & Benefits

Focus on people and professional growth
Developmental projects and proprietary professional development program
Support for charitable and educational activities
Internships to help launch IT careers