Software Engineer (Java, Kotlin, C# (.NET Core) - A25117

Sorry, this job was removed at 10:11 a.m. (CST) on Thursday, Aug 21, 2025
Be an Early Applicant
Singapore
In-Office
Information Technology
The Role

Activate Interactive Pte Ltd (“Activate”) is a leading technology consultancy headquartered in Singapore with a presence in Malaysia and Indonesia. Our clients are empowered with quality, cost-effective, and impactful end-to-end application development, like mobile and web applications, and cloud technology that remove technology roadblocks and increase their business efficiency.

We believe in positively impacting the lives of people around us and the environment we live in through the use of technology. Hence, we are committed to providing a conducive environment for all employees to realise their full potential, who in turn have the opportunity to continuously drive innovation.

We are searching for our next team members to join our growing team.

If you love the idea of being part of a growing company with exciting prospects in mobile and web technologies that create positive impact on people’s lives, then we would love to hear from you.

Co-Development Business Unit is looking for Software Engineer (Back End)

This is a fixed term contract. The engagement is 12 months

Internal Code: A25117

We are seeking a skilled Senior Backend Engineer to join our agile development team. In this role, you will be responsible for designing, developing, and maintaining scalable backend services and APIs, while contributing to architectural decisions and mentoring junior developers.

If you are passionate about backend development and cloud architecture, and want to contribute to meaningful public sector projects, we would love to hear from you.

What will you do?

  • Design and develop robust, scalable backend services using Java Spring Boot/Kotlin/C#
  • Architect and implement RESTful APIs and microservices following best practices
  • Design and implement cloud-native solutions using AWS services
  • Lead the design and implementation of database schemas and data models
  • Ensure high performance, reliability, and security of backend systems
  • Collaborate with frontend developers and other stakeholders to define and implement API contracts
  • Mentor junior developers and conduct thorough code reviews
  • Participate in system design discussions and technical planning
  • Implement and maintain CI/CD pipelines
  • Troubleshoot production issues and optimise system performance

Requirements

What are we looking for?

  • 8+ years of professional software development experience
  • Strong expertise in either Java Spring Boot, Kotlin, or C# (.NET Core)
  • Extensive experience with RESTful APIs and microservices architecture
  • Proven experience with AWS services including:
  1. AWS Lambda and serverless architecture
  2. Amazon ECS/EKS
  3. Amazon RDS and DynamoDB
  4. Amazon S3
  5. AWS CloudFormation/CDK
  6. Amazon CloudWatch
  7. AWS IAM and security best practices
  • Proficient in SQL and experience with both relational and NoSQL databases
  • Strong understanding of software design patterns and principles (SOLID, DRY, etc.)
  • Experience with version control systems (Git) and CI/CD practices
  • Knowledge of testing methodologies and frameworks (JUnit, TestNG, NUnit)
  • Experience with agile development practices
  • Strong analytical and problem-solving skills

Good to Have:

  • AWS certifications (Solutions Architect, Developer)
  • Experience with container orchestration (Kubernetes, Docker)
  • Experience with message queuing systems (Kafka, RabbitMQ)
  • Familiarity with reactive programming
  • Experience with Singapore Government IT projects
  • Knowledge of Singapore Government Technology Stack (SGTS)
  • Experience integrating with SingPass and CorpPass authentication
  • Understanding of government security policies and compliance requirements
  • Experience with performance monitoring tools and APM solutions
  • Experience with event-driven architecture

Technical Skills:

  • Languages: Java 11+/Kotlin/C#
  • Frameworks: Spring Boot, Spring Cloud, .NET Core
  • Infrastructure as Code using Terraform
  • Databases: PostgreSQL, MySQL, MongoDB, DynamoDB
  • Tools: Maven/Gradle, Git, Jenkins/GitLab CI
  • Testing: JUnit, Mockito, TestContainers
  • Documentation: Swagger/OpenAPI
  • Monitoring: CloudWatch, ELK Stack, Prometheus, Grafana

Benefits

What do we offer in return?

  • Fun working environment
  • Employee Wellness Program

Does it sound like something you are interested in exploring further? Please be in touch with our team for an initial chat at [email protected]

Activate Interactive Singapore is an equal opportunity employer. Employment decisions will be based on merit, qualifications and abilities. Activate Interactive Pte Ltd does not discriminate in employment opportunities or practices on the basis of race, colour, religion, gender, sexuality, national origin, age, disability, marital status or any other characteristics protected by law.

Protecting your privacy and the security of your data are longstanding top priorities for Activate Interactive Pte Ltd.

Your personal data will be processed for the purposes of managing Activate Interactive Pte Ltd’s recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results, and as is otherwise needed in the recruitment and hiring processes.

Please consult our Privacy Notice (https://www.activate.sg/privacy-policy) to know more about how we collect, use, and transfer the personal data of our candidates. Here you can find how you can request for access, correction and/or withdrawal of your Personal Data.

Similar Jobs

Boeing Logo Boeing

CBTA Program Support Officer

Aerospace • Information Technology • Cybersecurity • Defense • Manufacturing
In-Office
Singapore, SGP
141000 Employees

Airwallex Logo Airwallex

Senior Manager, Model Governance and Data Standards

Artificial Intelligence • Fintech • Payments • Business Intelligence • Financial Services • Generative AI
In-Office
Singapore, SGP
2000 Employees

Circle Logo Circle

Senior Counsel

Blockchain • Fintech • Payments • Financial Services • Cryptocurrency • Web3
In-Office or Remote
Singapore, SGP
1050 Employees

Circle Logo Circle

Director, International and Corporate Operations, APAC

Blockchain • Fintech • Payments • Financial Services • Cryptocurrency • Web3
In-Office or Remote
Singapore, SGP
1050 Employees
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
143 Employees
Year Founded: 1997

What We Do

Founded in 1997, Activate Interactive Pte Ltd is a leading technology consultancy in Singapore that fuses strategy consulting, creativity, and engineering to drive digital innovations. ​

​We offer quality, cost-effective and impactful end-to-end application development, including mobile and web applications, cloud technology, UI/UX design and more.​

​We integrate digital technology into all areas of a business, helping clients remove technology roadblocks and increase their efficiency to better serve and deliver value to their communities, regardless of their business size and type.​

At Activate, we also believe in providing a conducive environment and developing our employees to realise their full potential. Today, we have a team of more than 150 employees.

​We aspire to help people live better and healthier with technology by providing holistic solutions to improve population health. ​

Similar Companies Hiring

Axle Health Thumbnail
Logistics • Information Technology • Healthtech • Artificial Intelligence
Santa Monica, CA
17 Employees
Scrunch AI Thumbnail
Software • SEO • Marketing Tech • Information Technology • Artificial Intelligence
Salt Lake City, Utah
LayerOne Thumbnail
Software • Information Technology • Artificial Intelligence
New York, NY
15 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account