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Senior Software Engineer
full-timeKuala Lumpur

Summary

Location

Kuala Lumpur

Type

full-time

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About this role

About the Role

We are looking for a highly capable Senior Software Engineer to join our Front Office team. You will be a key person responsible for modernizing legacy systems, improving code quality, handling production issues at scale, and ensuring high standards in backend engineering. Your expertise will help drive reliability, scalability, and design excellence in a critical customer-facing domain.


Key Responsibilities

· Own backend design and development for mission-critical services, focusing on robustness, scalability, and maintainability.

· Analyze and troubleshoot recurring production issues, perform root cause analysis, and implement long-term solutions.

· Refactor and modernize legacy components and services to align with current best practices and architectural principles.

· Perform technical assessments of new requirements, including feasibility analysis, effort estimation, and system impact analysis.

· Set coding standards and conduct rigorous code reviews to ensure code quality and consistency.

· Mentor junior developers and help build a strong engineering culture with a focus on ownership and continuous improvement.

· Collaborate with frontend developers, QA, DevOps, and business stakeholders to deliver end-to-end solutions.

· Identify and proactively propose technical improvements, tools, or automation opportunities beyond assigned tasks.


Requirements

· Significant experience (typically 7+ years) as a backend engineer in complex environments, with a strong track record of technical ownership, system modernization, and mentoring.

· Hands-on expertise with .NET Core, C#, ASP.NET Web API, and SQL Server in production-grade systems.

· Proven ability to manage and refactor legacy applications, addressing technical debt and applying modern design principles.

· Strong background in software architecture, system design patterns, and API design (RESTful services; microservices experience is a plus).

· Skilled in database development and performance tuning using T-SQL; familiarity with PostgreSQL or migrations is a plus.

· Experience in production debugging, incident analysis, and building resilient backend systems.

· Strong advocate for clean code, test automation, and continuous integration.

· Familiar with DevOps practices and tools (e.g., Git, Azure DevOps, CI/CD pipelines).

· High sense of ownership, urgency, and accountability.

· Excellent communication and collaboration skills.

· Bachelor’s degree in Computer Science, Software Engineering or a related technical field.


Nice to Have

· Experience with cloud platforms, especially AWS (e.g., Lambda, ECS, RDS, CloudWatch, S3).

· Familiarity with PostgreSQL or prior experience migrating from MS SQL Server to PostgreSQL.

· Exposure to event-driven architecture, message queues (e.g., SQS, Kafka), or asynchronous processing patterns.

· Experience modernizing monolithic systems and decomposing them into modular or service-based architectures.

· Knowledge of DevOps and infrastructure-as-code tools such as Terraform or CloudFormation.

· Familiarity with observability tools (e.g., Datadog, ELK, Prometheus) for monitoring and diagnostics.


Why Join Us?

· Be part of a critical transformation journey, modernizing a key digital onboarding product used by many.

· Help shape the next-generation architecture as we transition toward AWS and PostgreSQL.

· Play a technical leadership role in a lean team with real ownership, visibility, and impact.

· Collaborate closely with business and product stakeholders, with the autonomy to influence solution design.

· Solve real-world challenges involving legacy systems, production resiliency, and performance optimization.

· Work in a culture that values engineering excellence, continuous improvement, and initiative beyond assigned tasks.

Other facts

Tech stack
Backend Development,System Modernization,Code Quality,C#,ASP.NET Web API,SQL Server,Software Architecture,API Design,Database Development,Performance Tuning,Production Debugging,DevOps,Clean Code,Test Automation,Continuous Integration,Cloud Platforms

About Flintex Consulting Pte Ltd

EA License # 17C8724
UEN # 201716889C

Latest Job Opportunities at Flintex Consulting - https://flintex.com.sg/jobs/

Welcome to Flintex Consulting, a leading Recruitment Agency in Singapore.

We Match We Guide We Place

We specialize in Technology, BFSI, Human Resource & Administration, Engineering & Manufacturing, Sales & Marketing,Finance & Accounting sectors.

We cater to the needs of a) individual job candidates and b) companies seeking for the right employees to drive their business.

We have been able to construe and bridge the needs and demands of our individual and corporate clients. Our wide industry expertise and select client base enable us to foster fruitful careers rather than short-term jobs and placements.Our advanced placement platform is designed to match employee skill sets with current vacancies with perfect accuracy. We utilize an efficient, systematic and ultra-precise recruitment method that surpasses industry standards.

Flintex Consulting has been successful in collaborating multiple leading employers, vendors and clients. We also offer valuable insight to candidates and companies to maximize their recruitment efforts. Candidates are mentored towards finding the best-fit jobs to help build successful careers.We cover all levels of placement, from entry level professionals to mid-level and CEO level posts.We promise to provide the best suited jobs through our research-based methodologies merged with our top qualified personnel.

Flintex Consulting promises to grow your career the right way. Whether you are a client or a candidate, we have a streamlined platform to match your needs efficiently.

Specialties:

IT Recruitments, Staff Augmentation, Contract Staffing, Salary Advisory, Temporary Hiring, Executive Search, Project based Search, RPO, Payroll Services, Work Pass Application, Leadership Hiring and Training's.

Team size: 11-50 employees
LinkedIn: Visit
Industry: Staffing and Recruiting
Founding Year: 2017

What you'll do

  • The Senior Software Engineer will own backend design and development for mission-critical services, focusing on robustness and scalability. They will also analyze and troubleshoot production issues and mentor junior developers.

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Frequently Asked Questions

What does a Senior Software Engineer do at Flintex Consulting Pte Ltd?

As a Senior Software Engineer at Flintex Consulting Pte Ltd, you will: the Senior Software Engineer will own backend design and development for mission-critical services, focusing on robustness and scalability. They will also analyze and troubleshoot production issues and mentor junior developers..

Why join Flintex Consulting Pte Ltd as a Senior Software Engineer?

Flintex Consulting Pte Ltd is a leading Staffing and Recruiting company.

Is the Senior Software Engineer position at Flintex Consulting Pte Ltd remote?

The Senior Software Engineer position at Flintex Consulting Pte Ltd is based in Kuala Lumpur, Gorontalo, Indonesia. Contact the company through Clera for specific work arrangement details.

How do I apply for the Senior Software Engineer position at Flintex Consulting Pte Ltd?

You can apply for the Senior Software Engineer position at Flintex Consulting Pte Ltd directly through Clera. Click the "Apply Now" button above to start your application. Clera's AI-powered platform will help match your profile with this opportunity and guide you through the application process. You can also learn more about Flintex Consulting Pte Ltd on their website.