Outsystems Developer | Agency Contract | RYN

PERSOL SINGAPORE PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Avanade is seeking a hands-on OutSystems Developer in Singapore to design, build, test, deploy and support secure web and mobile applications for clients. You will work in an Agile delivery team with BAs, UX designers, leads, testers and DevOps engineers.

Role requires 2–4 years of software development experience and hands-on delivery on OutSystems 11/ODC, with strong SQL, REST/SOAP integrations and security awareness.

Qualifications

• 2–4 years of professional software development experience.
• Hands-on delivery on the OutSystems platform (OutSystems 11 and/or ODC).
• Experience building enterprise web and mobile applications.

Responsibilities

• Develop and maintain responsive web and mobile applications using OutSystems.
• Translate user stories and wireframes into components.
• Design UI, data models, business logic and security with RBAC.
• Integrate REST and SOAP services and optimise data queries.
• Participate in tests, SIT/UAT and defect resolution within sprints.
• Support deployment, release notes and post‑release validation.

Skills

OutSystems development

Reactive Web apps

SQL

REST APIs

Git

Agile

Azure DevOps/Jira

Education

Bachelor/ Diploma in CS/IS/SE

Tools

OutSystems Service Studio

Azure DevOps

Jira

Git

Job description

Role Overview

Avanade is seeking a hands‑on OutSystems Developer to design, build, test, deploy and support secure enterprise web and mobile applications for our clients in Singapore. The role suits a developer with 2–4 years of relevant software development experience, including practical delivery on OutSystems 11 and/or OutSystems Developer Cloud (ODC). You will work within an Agile delivery team alongside business analysts, UX designers, technical leads, testers and DevOps engineers, and will engage directly with client stakeholders.

Key Responsibilities

• Develop and enhance responsive web and mobile applications using OutSystems, following the approved architecture, coding standards and reusable design patterns.
• Translate user stories, process flows, wireframes and functional specifications into maintainable application components.
• Build user interfaces, data models, business logic, validations, role‑based access controls, timers and background processes.
• Design, consume and troubleshoot REST and SOAP integrations with enterprise systems and external services.
• Write and optimise SQL queries, aggregates and data access logic while maintaining data integrity and acceptable performance.
• Perform unit testing, support SIT and UAT, and resolve defects within agreed sprint timelines.
• Participate in peer reviews and use platform analysis tools to address code quality, security, performance and maintainability findings.
• Support deployment and environment promotion activities, including release notes, deployment checks, rollback planning and post‑release validation.
• Investigate incidents and production issues, perform root‑cause analysis, implement fixes and maintain clear technical documentation.
• Contribute to sprint planning, estimation, stand‑ups, demonstrations, retrospectives and continuous improvement.

Required Qualifications and Experience

• Diploma or Bachelor degree in Computer Science, Information Systems, Software Engineering or a related discipline.
• 2–4 years of professional software development experience, with hands‑on delivery on the OutSystems platform.
• Working knowledge of OutSystems Service Studio across interface, logic, data, integrations, security and deployment.
• Experience developing Reactive Web applications; exposure to mobile or Traditional Web applications is useful.
• Good knowledge of SQL and relational database concepts including entities, relationships, indexes, transactions and query optimisation.
• Experience with REST APIs, JSON, authentication patterns and error handling; SOAP integration experience is an advantage.
• Foundational front‑end skills in HTML, CSS and JavaScript for UI customisation and troubleshooting.
• Experience with Git or equivalent version control, Agile delivery practices and tools such as Azure DevOps or Jira.
• Strong problem‑solving, communication, documentation and teamwork skills.

Preferred Qualifications

• OutSystems Associate Reactive Developer, Associate Developer ODC or equivalent certification.
• Exposure to LifeTime, Service Center, AI Mentor Studio, Forge components and application monitoring.
• Experience with Microsoft Azure and the wider Microsoft application platform.
• Knowledge of CI/CD, automated testing, secure coding, IAM or single sign‑on integration.
• Experience supporting Singapore public sector, healthcare or financial services clients, including relevant security and clearance requirements.