Senior Java Backend Engineer - Enterprise Platform

THEMA Consulting | MasterFinance for Treasury & Risk; Ticino; On-site; CHF 130,000 - 180,000; Full time

Job summary

THEMA Consulting seeks a Senior Java Back-End Developer in Lugano to design, develop and maintain core services of its Master Finance platform for treasury, capital markets and risk management clients.

You will influence architecture, reliability and performance, collaborating with other developers, consultants and business stakeholders to translate complex requirements into robust technical solutions. Strong Java, Spring and integration skills are essential in this hands-on senior role.

Qualifications

• 5+ years of professional experience developing enterprise Java applications.
• Strong knowledge of Java 25+ and modern Java development practices, including object-oriented design, SOLID principles, design patterns and dependency injection.
• Extensive experience with Spring Framework and Spring Boot, together with proficiency in Git and Gradle.
• Proven experience designing and maintaining data-intensive, multi-tier applications, with a focus on modularity, maintainability, scalability and reliability.
• Strong experience with Oracle RDBMS, SQL, database modelling, transaction management, ORM frameworks and database performance tuning.
• Solid understanding of asynchronous messaging and enterprise integration patterns, including JMS and related APIs.
• Experience designing and maintaining service-oriented and distributed applications, including API design, system integration, error handling, resilience and reliable inter-service communication.
• Strong understanding of application security, including TLS, certificate management, mutual authentication and secure handling of sensitive data.
• Experience designing and implementing automated unit and integration tests, using JUnit and related testing tools, to ensure software quality and prevent regressions.
• Experience developing and maintaining product-based software solutions, including customer‑specific configurations, reusable features, patches and product customizations.
• Ability to drive technical design and contribute to architectural decisions, evaluating trade‑offs and balancing maintainability, reliability, performance, delivery timelines and business priorities.
• Ability to collaborate effectively with Back‑End and Front‑End developers, functional consultants and business stakeholders to translate business requirements into robust technical solutions.
• Fluent in Italian and English.

Responsibilities

• Design, develop and maintain core services and frameworks for Master Finance.
• Contribute to the architecture, reliability and performance of a data-intensive financial platform.
• Collaborate with developers, consultants and stakeholders to translate demanding business requirements into robust technical solutions.
• Take an active role in architectural decisions, technical design, code reviews and software quality.
• Work with modern Java and Spring technologies while integrating enterprise components.

Skills

Java

Spring Framework

Spring Boot

Git

Gradle

JMS

API design

SOA

JUnit

Education

BSc or MSc in Computer Science

Tools

Git

Gradle

Apache Thrift

ActiveMQ

RabbitMQ

Kafka

Jenkins

Job description

THEMA Consulting seeks a Senior Java Back-End Developer in Lugano to design, develop and maintain core services of its Master Finance platform for treasury, capital markets and risk management clients.

You will influence architecture, reliability and performance, collaborating with other developers, consultants and business stakeholders to translate complex requirements into robust technical solutions. Strong Java, Spring and integration skills are essential in this hands-on senior role.