Back-End API Developer

Frontline Data Solutions; Singapore; On-site; SGD 80,000 - 100,000; Full time

Job summary

A leading software company in Singapore is looking for a Back-End API Developer to enhance their SaaS platform. The role involves building new features, modernizing architecture, and contributing to a robust codebase. Applicants should have proven experience with C#, .NET Core, and RESTful API development. The company offers excellent career development opportunities along with an attractive salary and benefits package.

Benefits

Career development opportunities

Attractive salary & benefits

Qualifications

• Proven experience in building and maintaining APIs using .NET technologies.
• Solid understanding of API design principles.
• Ability to write efficient SQL queries.

Responsibilities

• Collaborate with teams to design and implement new features.
• Lead transformation to a modern, scalable architecture.
• Contribute to a clean, well-documented codebase.

Skills

C#

.NET Core

RESTful API Development

SQL

Git

Strong Communication

Job description

What You’ll Do

As a Back-End API Developer you’ll play a vital role in the evolution of our SaaS platform, which supports some of the world’s most respected companies in high-compliance industries like chemical, oil & gas, and manufacturing.

• Build New Features : Collaborate with Product Managers, Frontend Developers, and fellow Backend Engineers to design and implement new features that enhance functionality, performance, and user experience across our core applications.
• Modernise Our Architecture : Help lead the transformation of our existing monolithic application into a modern, scalable, service-oriented architecture. You’ll have the opportunity to influence key architectural decisions and implement services that are robust, secure, and maintainable.
• Embrace Quality & Scale : Contribute to a codebase that’s clean, well-documented, and covered by tests. You’ll write scalable code with a focus on performance, fault-tolerance, and long-term maintainability.
• Solve Meaningful Problems : Work on real-world challenges in safety, compliance, and operations that have a measurable impact on our customers’ businesses and the well‑being of their employees.
• Thrive in a Supportive Culture : Be part of a small, collaborative engineering team where your ideas are heard, your contributions matter, and your growth is supported.

Ideal Profile

Skills You’ll Need

To succeed in this role, you’ll bring strong technical skills, a problem‑solving mindset, and a passion for building great software:

• Proven Experience in C# and .NET Core : You’re comfortable building and maintaining APIs and backend services using modern .NET technologies.
• RESTful API Development : You have a solid understanding of API design principles and experience integrating and consuming APIs in real-world applications.
• Database Proficiency : You can write efficient SQL queries and work with relational databases to ensure data integrity and performance.
• Version Control Mastery : You’re confident with Git-based workflows and understand how to collaborate effectively through pull requests and code reviews.
• Bonus – Search Experience : Familiarity with Solr or other search technologies is a plus, but not required.
• Strong Communication & Collaboration : You’re comfortable discussing technical trade-offs, breaking down complex problems, and working across functions to deliver high-quality solutions.

What’s on Offer :

• Excellent career development opportunities
• Work within a company with a solid track record of success
• Attractive salary & benefits