Software Engineer, Content Safety, Core

United States Digital Space LLC; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

United States Digital Space LLC is seeking software engineers in Singapore to advance AI-powered safety and content moderation across large-scale systems. You will contribute to on-device and server-side code, integrating generative AI tools and LLM interfaces into production workflows.

The role emphasizes building robust validation gates, multi-step AI orchestration, and collaboration with mentors to align with safety standards and responsible AI practices.

Qualifications

• Bachelor’s degree or equivalent practical experience.
• 1 year of experience with software development in one or more programming languages (e.g., Python, C, C++, Java, JavaScript).
• 1 year of experience with data structures and algorithms.
• 1 year of experience implementing core Machine Learning (ML) concepts.
• Experience integrating generative AI tools or Large Language Model (LLM) interfaces into workflows.

Responsibilities

• Write and maintain high-quality, readable, and well-tested code for on-device and server-side content safety applications.
• Develop and test validation gates, routing logic, and tool-use schemas to ensure deterministic and compliant execution within our autonomous safety agent pipelines.
• Contribute to implementing and maintaining both stateless and stateful agentic flows, supporting multi-step AI orchestration pipelines that interact with APIs, databases, and external tools to automate safety decisions.
• Support the team in delivering on commitments to clients, ensuring robust and performant solutions to user protection challenges.
• Collaborate closely with mentors and executive engineers to learn the company’s development processes, design patterns, and system architectures.

Skills

Programming languages

Data structures & algorithms

ML concepts

Generative AI APIs

Education

Bachelor’s degree or equivalent

Tools

Generative AI APIs

Foundation model endpoints

Job description

the company will be prioritizing applicants who have a current right to work in Singapore, and do not require the company's sponsorship of a visa.### Minimum qualifications:

• Bachelor’s degree or equivalent practical experience.
• 1 year of experience with software development in one or more programming languages (e.g., Python, C, C++, Java, JavaScript).
• 1 year of experience with data structures and algorithms.
• 1 year of experience implementing core Machine Learning (ML) concepts.
• Experience integrating generative AI tools or Large Language Model (LLM) interfaces into workflows.

Preferred qualifications:

• Academic, internship, or personal project experience integrating generative AI APIs and foundation model endpoints into software applications.
• Familiarity with building agentic workflows, including chaining model prompts, configuring model tool-use (e.g., function calling), and integrating foundation models with external APIs or databases.
• Basic familiarity with or a keen interest in learning about machine learning, natural language processing (NLP), or LLMs.
• Interest or coursework in Responsible AI, data privacy, product policy, or adjacent safety fields.
• Strong communication skills, a proactive attitude toward learning, and eagerness to collaborate in a global, multi-regional team environment.

About the job

the company's software engineers develop the next-generation technologies that change how billions of users connect, explore, and interact with information and one another. Our products need to handle information at massive scale, and extend well beyond web search. We're looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is growing every day. As a software engineer, you will work on a specific project critical to the company’s needs with opportunities to switch teams and projects as you and our fast-paced business grow and evolve. We need our engineers to be versatile, display leadership qualities and be enthusiastic to take on new problems across the full-stack as we continue to push technology forward.

The Content Safety organization in Core provides safety solutions that protect the company’s users from exposure to offensive, sensitive or harmful content. The team unblock and accelerate the company's product launches by providing quality implementations of company-wide standards for Responsible Artificial Intelligence (AI). The team combines subject matter expertise in the content safety domain and a practice of machine learning and AI-based techniques with the production-grade experience in serving infrastructure and product integrations to protect users from harm, maintain the company’s engagement in the area of online safety across the industry, and make foundational models and the internet safer for society.The Core team builds the technical foundation behind the company’s flagship products. We are owners and advocates for the underlying design elements, developer platforms, product components, and infrastructure at the company. These are the essential building blocks for excellent, safe, and coherent experiences for our users and drive the pace of innovation for every developer. We look across the company’s products to build central solutions, break down technical barriers and strengthen existing systems. As the Core team, we have a mandate and a unique opportunity to impact important technical decisions across the company.

Responsibilities

• Write and maintain high-quality, readable, and well-tested code for on-device and server-side content safety applications.
• Develop and test validation gates, routing logic, and tool-use schemas to ensure deterministic and compliant execution within our autonomous safety agent pipelines.
• Contribute to implementing and maintaining both stateless and stateful agentic flows, supporting multi-step AI orchestration pipelines that interact with Application Programming Interfaces (APIs), databases, and external tools to automate safety decisions.
• Support the team in delivering on commitments to clients, ensuring robust and performant solutions to user protection challenges.
• Collaborate closely with mentors and executive engineers to learn the company’s development processes, design patterns, and system architectures.

the company is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. See also the company's EEO Policy and EEO is the Law. If you have a disability or special need that requires accommodation, please let us know by completing our Accommodations for Applicants form.