ARISTON SERVICES PTE. LTD. Hiring! Full Time Senior Technical Lead in , Earn up to SGD 12,500 - Ricebowl

Job Summary

We are seeking a highly experienced Senior Technical Lead with 15+ years of hands-on experience in designing, developing, and supporting enterprise-scale applications. The ideal candidate will have deep expertise across Java, Spring Boot, React.js, cloud platforms (AWS & Azure), databases, integration middleware, DevOps, and legacy-to-modernization initiatives.

This role requires strong architectural thinking, hands-on development capability, leadership in complex delivery environments, and close collaboration with business stakeholders to deliver scalable, secure, and high-performing systems.

Key Responsibilities

Architecture & Technical Leadership

• Design and define end-to-end system architecture for large-scale enterprise applications, including monolithic, microservices, and hybrid architectures

• Act as Technical Lead / Architect providing guidance on design patterns, coding standards, and best practices

• Review and approve technical designs, APIs, database models, and deployment architectures

• Mentor development teams and conduct code reviews to ensure quality, security, and performance

• Drive legacy application modernization, cloud migration, and technology transformation initiatives

Backend Development & Integration

• Design and develop RESTful and SOAP-based services using Java, Spring, Spring Boot, Spring Security, Spring Batch, Hibernate/JPA

• Develop and maintain enterprise integrations using IBM MQ, messaging systems, and batch processing (Control‑M)

• Implement authentication and authorization using OAuth2, JWT, Spring Security, WS-Security

• Develop reusable Java libraries, frameworks, and utilities

• Perform root cause analysis and resolve complex production issues

Frontend & Full-Stack Development

• Design and develop modern web applications using React.js, JavaScript, jQuery

• Ensure responsive, accessible, and high‑performance UI designs

• Integrate frontend applications with backend APIs securely and efficiently

Cloud, DevOps & Deployment

• Design and deploy applications on AWS and Azure

• Hands-on experience with EC2, CloudWatch, CI/CD pipelines, Jenkins, Bamboo, Bitbucket

• Deploy and manage applications on WebSphere, JBoss, Tomcat, IIS, OpenShift

• Implement CI/CD automation, build pipelines, and release management strategies

• Monitor applications using CloudWatch, ELK Stack, logs, and performance metrics

• Optimize cloud resources for performance, scalability, and cost efficiency

Database & Data Management

• Strong experience with Oracle, PostgreSQL, IBM Informix, MySQL

• Perform database migrations (Oracle to PostgreSQL), schema evolution, and tuning

• Design schemas, write complex SQL/PL‑SQL queries, and optimize performance

• Implement data access layers using Hibernate/JPA, Spring JDBC

Reporting & Batch Processing

• Design and develop enterprise reports using Crystal Reports, Jasper Reports, Cognos

• Develop batch jobs using Spring Batch and integrate with Control‑M

• Ensure high‑volume data processing with reliability, logging, and recovery mechanisms

Testing, Quality & Security

• Write and review unit, integration, and end‑to‑end tests

• Perform load and performance testing using Gatling, Cucumber, Karate

• Ensure applications comply with OWASP security standards

• Conduct regular security audits and vulnerability assessments

Agile Delivery & Stakeholder Management

• Work closely with business users, product owners, QA, DevOps, and IT teams

• Participate in Agile ceremonies: sprint planning, stand-ups, reviews, retrospectives

• Translate business requirements into technical solutions

• Provide production support, incident management, and continuous improvement

Required Technical Skills

Programming & Frameworks

• Java, C#, Python

• Spring, Spring Boot, Spring Security, Spring Batch, Hibernate/JPA

• React.js, JavaScript, jQuery, Struts

• Django (Python)

Databases

• Oracle, PostgreSQL, IBM Informix, MySQL

Cloud & DevOps

• AWS, Azure

• Jenkins, Bamboo, Bitbucket, Git

• CI/CD, OpenShift, Docker (exposure preferred)

Middleware & Integration

• IBM MQ, SOAP/REST Web Services, Control‑M

Servers & Platforms

• WebSphere, JBoss, Tomcat, IIS

• Linux (Red Hat, Solaris), Windows

Reporting & Tools

• Crystal Reports, Jasper Reports, Cognos

• ELK Stack, CloudWatch, Jira, Confluence

Experience & Qualifications

• 15+ years of overall IT experience in enterprise application development

• Proven experience as Technical Lead / Architect on complex systems

• Strong background in cloud-native and enterprise integration architectures

• Excellent problem‑solving, communication, and stakeholder management skills

• Master’s or bachelor’s degree in computer science or related field

Preferred / Added Advantage

• Experience with government or large public-sector systems

• Experience handling mission‑critical production systems

• Strong documentation and architectural design skills