Senior Java Developer

ARISTON SERVICES PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

ARISTON SERVICES PTE. LTD. seeks experienced Senior Java Developers to join a high-profile Equity Trading project.

You will design, develop and maintain critical trading platform components with a focus on invoicing, fee calculation, and trade booking functionalities. You will collaborate with business analysts, traders, QA teams, and solution architects to deliver scalable solutions, troubleshoot production issues, and support go-live readiness.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or a related discipline.
• 5-7 years of hands-on Java backend development experience.
• Strong understanding of software development best practices and testing methodologies.
• Excellent problem-solving skills and ability to perform under pressure.
• Strong communication skills with cross-functional teams.

Responsibilities

• Design, develop, and maintain high-performance Java-based applications for trading systems.
• Develop modules supporting trade lifecycle and settlement processes.
• Build and optimize modules for downstream trade booking and integration with back-office systems.
• Collaborate with analysts, traders, QA, and architects to deliver scalable solutions.
• Troubleshoot production issues and provide timely fixes.
• Perform code reviews and ensure adherence to development standards.
• Participate in system integration testing and deployment activities.
• Support go-live readiness and post-deployment stabilization.

Skills

Java

Spring Boot

MariaDB

RESTful APIs

SQL & data modeling

Git

Performance tuning

Equity Trading domain

Messaging systems

CI/CD / DevOps

Agile / Scrum

Cloud deployment

Documentation & processes

Education

Bachelor’s degree in Computer Science or Engineering

Job description

Role Overview

We are seeking experienced Senior Java Developers to join a high-profile Equity Trading project. The selected candidates will be responsible for developing and enhancing critical trading platform components, with a strong focus on invoicing, fee calculation, and trade booking functionalities.

Key Responsibilities

• Design, develop, and maintain high-performance Java-based applications for Trading systems.


• Develop and enhance Modules supporting trade lifecycle and settlement processes.


• Build and optimize Modules


• Develop and maintain Downstream Trade Booking Modules to support trade processing and integration with back-office systems.


• Collaborate with business analysts, traders, QA teams, and solution architects to deliver scalable solutions.


• Troubleshoot production issues and provide timely fixes.


• Perform code reviews and ensure adherence to development standards and best practices.


• Participate in system integration testing and deployment activities.


• Support go‑live readiness activities, post‑deployment stabilization, and follow‑up issue resolution.

Required Skills & Experience

• Strong hands‑on experience in Java


• Experience with Spring Boot


• Strong knowledge of MariaDB


• Experience developing RESTful APIs and microservices


• Strong understanding of SQL, data modeling, and performance optimization


• Experience with version control systems such as Git


• Knowledge of application performance tuning and debugging


• Domain Skills


• Experience in Equity Trading, Capital Markets, or Investment Banking environments


• Understanding of trade lifecycle, trade capture, booking, settlement, and post-trade processing


• Knowledge of fee and billing calculations within financial systems is highly desirable


• Preferred Skills


• Experience with messaging systems (Kafka, JMS, RabbitMQ)


• Knowledge of CI/CD practices and DevOps tools


• Experience working in Agile/Scrum environments


• Exposure to cloud-based deployment environments


• Well‑organized and disciplined in following documented processes and procedures.

Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related discipline.


• 5-7 years of hands‑on Java backend development experience.


• Strong understanding of software development best practices and testing methodologies.


• Excellent problem‑solving skills and ability to perform under pressure in a fast‑paced environment.


• Strong communication skills with the ability to collaborate effectively with cross‑functional teams.

Kindly take note of the following details for shift work

Shift Timing

Note : 8 hours shift will be subjected to change

Need to support when releases including nights during weekends and public holidays