Senior Java Developer – Credit eTrading Platform

Decskill; Lisboa; On-site; EUR 45,000 - 70,000; Full time

Job summary

Decskill is an IT consulting company with over 10 years in the market, operating from Lisbon, Porto, and Madrid. We are seeking a Senior Java Backend Developer to design, develop, and maintain server-side components for the Credit eTrading platform, focusing on performance, security, and reliability.

You will collaborate with Front Office traders, Support teams, and other engineers to deliver scalable solutions, participate in migrations, and drive continuous improvement in architecture and code

Qualifications

• Bachelor's or higher in a quantitative field or engineering.
• Strong Java knowledge and OOP principles.
• Experience with high-performance, scalable backend services.
• Experience with Agile software development.
• Familiarity with Front Office tech and trading workflows.
• Exposure to eTrading, OMS, and market connectivity.
• Excellent communication with business stakeholders.
• Proactive, detail-oriented, and quality-focused.

Responsibilities

• Design, develop, and maintain server-side components for the Credit eTrading platform.
• Develop and maintain OMS and market connectivity layers.
• Add features for bond quoting, auto-negotiation, RFQ workflows.
• Deliver clean, scalable Java applications with high quality and security.
• Collaborate with Production Support during releases and maintenance.
• Work with Front Office traders to understand requirements and deliver solutions.
• Provide Level3 production support when required.
• Contribute to platform evolution through feature work and refactoring.
• Participate in migrations and architecture improvements.

Skills

Java expertise

Java 17+

Backend development

Agile

Front Office

Trading domain

OMS & connectivity

Stakeholder communication

Problem solving

Detail oriented

Proactive improvement

English proficiency

Education

Bachelor's degree in CS/Engineering/Math/Physics

Job description

Decskill is an IT consulting company with over 10 years in the market, operating from Lisbon, Porto, and Madrid. We are seeking a Senior Java Backend Developer to design, develop, and maintain server-side components for the Credit eTrading platform, focusing on performance, security, and reliability.

You will collaborate with Front Office traders, Support teams, and other engineers to deliver scalable solutions, participate in migrations, and drive continuous improvement in architecture and code