Low Code Engineer #1752

Jobster Private Ltd; Singapore; On-site; SGD 120,000 - 170,000; Full time

Job summary

Jobster Private Ltd in Singapore seeks a Low Code Engineer/Senior Consultant to maintain and modernize a public-sector digital service, guiding migration to a new architecture.

You will code, troubleshoot, deploy, and document across OutSystems, OPA, Sitefinity, Oracle DB and AWS, while leading a team of engineers and delivering technical direction.

This role emphasizes hands-on development, production support and migration activities in a cloud-first environment.

Qualifications

• Must have hands-on development in OutSystems with at least 3 years experience.
• Experience on Singapore Government OutSystems-based production systems valued at S$5 million+.
• Experience supporting production applications post go-live.

Responsibilities

• Design, develop, test enhancements and defect fixes for applications developed with OutSystems.
• Develop and maintain backend logic, workflows and integrations using OutSystems and Oracle Policy Automation.
• Develop and maintain frontend using OutSystems and Sitefinity CMS.
• Maintain Oracle Database components: schemas, SQL, stored procedures, data integrity.
• Investigate and resolve defects, incidents and performance issues in production.
• Support deployments, releases, rollback and post-deployment verification.
• Assist with AWS components (S3, Lambda, EC2, ELB, CodeDeploy, KMS) and OS environments.
• Lead technical delivery for engineers, provide solution architecture guidance, and drive migration/modernisation planning.

Skills

Low Code

OutSystems

Oracle Database

OPA/OIA

Sitefinity

AWS

Amazon Linux

Windows Server

ADFS

SAML

API Gateway

GitLab CI/CD

CodePipeline

Container security

Dynatrace

Datadog

CloudWatch

ReactJS

Golang

Kubernetes

Tools

OutSystems

Oracle Database

Job description

Role Overview

The Low Code Engineer will be responsible for the maintenance, enhancement and stabilisation of an existing Singapore public-sector digital service, while supporting its transition towards a modern technology architecture.

The engineer will perform hands-on technical work across the application lifecycle, including application development, production support, troubleshooting, deployment, technical documentation and migration activities.

The application environment includes OutSystems, Oracle Policy Automation (OPA), Sitefinity CMS, Oracle Database and AWS infrastructure, together with associated operating-system, security and identity components.

The Senior Consultant will additionally lead and manage technical delivery for the engineers assigned, and provide technical direction for solutioning, migration and modernisation activities.

Key Responsibilities

Application Development and Maintenance

• Design, develop, test enhancements and defect fixes for applications developed using OutSystems.

• Develop and maintain backend business logic, workflows, integrations and rules using OutSystems and, where applicable, Oracle Policy Automation.

• Develop and maintain frontend functionality using OutSystems and Sitefinity CMS.

• Develop and maintain Oracle Database components, including schemas, SQL queries, stored procedures and data-integrity controls.

Production Support

• Investigate and resolve application defects, production incidents, integration failures and performance issues.

• Support application deployments, release activities, rollback and post-deployment verification.

• Perform root-cause analysis and implement permanent corrective actions for recurring technical issues.

Infrastructure, Security and Integration

• Support application components hosted on AWS services including S3, Lambda, EC2, ELB, CodeDeploy and KMS.

• Support application environments running on Amazon Linux 2023 and Windows Server 2016/2019.

• Develop and support security and identity integrations involving ADFS, WOG AD, SAML, CAM, Trend Micro FAM and API Gateway.

Migration and Modernisation

• Assess dependencies between the existing application and target architecture.

• Support migration planning, including dependency identification, workstream sequencing, technical risk assessment, testing and cutover activities.

• Support progressive transition from the existing technology stack towards the target modern architecture while maintaining continuity of the production service.

Documentation

• Produce and maintain technical documentation including solution designs, architecture diagrams, interface specifications, deployment procedures, operational runbooks and migration plans.

Additional Responsibilities for Senior Consultant:

• Lead end-to-end technical delivery across application enhancement, production support and modernisation workstreams.

• Provide technical guidance on solution design, engineering standards, code quality and migration approaches, and guide the development team in implementation.

• Take ownership of critical technical matters, including complex production issues, technical risks, dependencies, migration and cutover activities.

Requirements

Mandatory requirements for Consultant and Senior Consultant

• At least 3 years of hands-on application development experience using OutSystems

• Completed at least one Singapore Government project involving an OutSystems-based production system with a total project or contract value of at least S$5 million

• Experience supporting at least one production application after go-live, including incident investigation, defect resolution or application enhancement

• Hands-on experience working with Oracle Database in an application-development or production support environment

• Experience working with an Enterprise technology environment involving application development and one or more supporting technology areas, such as database, infrastructure, integration, security or identity components

Additional Mandatory requirements for Senior Consultant

• At least 7 years of hands-on application development experience, including a minimum of 3 years using OutSystems

• At least 2 years of experience leading technical delivery and/or defining solution architecture

• Led the technical delivery of at least one production application implementation, major system enhancement or migration/modernisation initiative

Technical Skills

Must Have: Low Code Application Development

OutSystems: Database Oracle Database

Good to Have

Experience in the following:

• Oracle Policy Automation (OPA) / Oracle Intelligent Advisor (OIA)

• Sitefinity CMS

• AWS services, including S3, Lambda, EC2, ELB, CodeDeploy and KMS

• Amazon Linux 2023 and Windows Server 2016/2019

• ADFS, WOG AD, SAML, CAM, Trend Micro FAM and API Gateway

• CI/CD tooling such as GitLab or CodePipeline

• Infrastructure and container security practices

• Observability and monitoring tools (e.g. Dynatrace, Datadog, CloudWatch)

• Familiarity with modern cloud-native stacks (ReactJS, Golang, Kubernetes) as a complement to legacy expertise

Soft Skills

• Strong problem-solving and debugging skills in production environments.

• Clear communication with both technical and non-technical stakeholders.

• Ability to work independently and take ownership of complex, ambiguous legacy systems.

• For Senior Consultant: Demonstrated technical leadership and team management skills, with the ability to drive technical decisions across teams.