Total 7 job vacancies by Codex Solutions Pte. Ltd.

Position Overview

We are seeking an experienced Test Engineer with a strong background in software quality assurance and Agile delivery. The successful candidate will be responsible for designing, executing, and improving test strategies across the development lifecycle to ensure the delivery of high‑quality, reliable, and secure software products.

You will work closely with developers, product owners, and business stakeholders to test early, test often, and uphold quality at every stage of the Agile process.

Key Responsibilities

Quality Engineering & Test Design

• Design, develop, and execute test strategies, plans, and test cases to ensure software quality throughout the Agile development lifecycle.
• Design and execute test cases based on acceptance criteria, ensuring new features meet defined quality standards.

Testing & Automation

• Contribute to the automation of test cases and continuous testing processes using relevant tools and frameworks.
• Perform manual and automated testing across functional, integration, system, and UAT stages.

Defect Management

• Identify, document, prioritise, and track defects through resolution.
• Collaborate closely with developers to triage issues, verify fixes, and ensure timely closure.

Agile Collaboration

• Work alongside developers and product owners to test early and frequently within each sprint.
• Ensure quality is maintained consistently throughout the Agile lifecycle.
• Support UAT efforts through preparation of evidence, test artefacts, and functional validation.

Documentation & Reporting

• Ensure test results, logs, and evidence are properly documented and audit‑ready.
• Produce clear, comprehensive, and structured test plans, test cases, and bug reports.

Requirements

• Bachelor’s Degree in Computer Science, Information Systems, Engineering, or a related field.

Extensive professional experience with demonstrated expertise may be considered in lieu of formal qualifications.

• At least 5 years of experience in software quality assurance or testing roles within Agile teams.
• Proficient in manual and automated testing techniques, including unit, integration, system, and UAT testing.
• Experience with test automation frameworks and tools (e.g., Selenium, Cypress, JUnit, TestNG, or similar).
• Familiarity with Agile testing methodologies and continuous testing in CI/CD environments.
• Strong ability to collaborate with developers, business analysts, and users to ensure high‑quality deliverables.
• Highly proficient in writing detailed test plans, test cases, and bug reports with strong attention to detail.

What We Offer

• Opportunity to work on impactful public sector digital platforms.
• Team-first culture with collaborative Agile practices.
• Access to modern testing tools and cloud-based DevOps environments.
• Structured career progression and skills development support.

Position Overview

We are seeking an experienced and versatile Database Administrator (DBA) to manage, optimise, and secure our database infrastructure across multiple platforms and environments. The successful candidate will have a strong foundation in both traditional and emerging database technologies, with hands-on experience in automation, performance tuning, and cloud-based solutions.

Key Responsibilities

Database Implementation & Operations

• Implement and manage databases based on architectural designs and technical specifications.
• Deploy, configure, and maintain data storage solutions across various database models and environments.
• Manage cloud-hosted database infrastructures, optimising for cost-effectiveness, performance, and reliability.

Performance & Optimisation

• Recommend tuning strategies, indexing approaches, and operational improvements to enhance system throughput.
• Perform query optimisation and troubleshoot performance issues across relational and non-relational systems.

Data Lifecycle & Reliability

• Establish and enforce data lifecycle policies, including retention, archival, and deletion practices.
• Develop, maintain, and validate backup and recovery procedures to ensure data availability and integrity.

Security & Compliance

• Ensure database security, access control, and compliance with organisational and regulatory standards.
• Work with cross-functional teams to enforce best practices for data governance and audit requirements.

Automation & Efficiency

• Automate routine administrative tasks to improve operational efficiency and reduce manual effort.
• Leverage scripting or automation tools to support deployment, monitoring, and maintenance activities.

Requirements

• Bachelor’s Degree in Computer Science, Information Systems, or a related discipline.
• At least 5 years of experience in database administration across multiple architectures.
• Proficient in relational databases such as Microsoft SQL Server and PostgreSQL.
• Experience with NoSQL databases (e.g., Cassandra, MongoDB) is preferred.
• Familiarity with object storage systems (e.g., AWS S3, Nutanix Object Store) is advantageous.
• Knowledge of graph databases (e.g., Neo4j) and associated query languages is preferred.
• Strong foundation in performance tuning, indexing strategies, and query optimisation.
• Experience with data lifecycle management, retention, and archival strategies.
• Proficient in automation and scripting (e.g., Python, Bash, PowerShell).
• Strong analytical thinking, problem-solving capabilities, and ability to work collaboratively across teams.

What We Offer

• Opportunity to work on impactful public sector digital platforms.
• Team-first culture with collaborative Agile practices.
• Access to modern testing tools and cloud-based DevOps environments.
• Structured career progression and skills development support.

Position Overview

As a Software Engineer, you will be part of an agile, cross-functional team that designs and develops mission-critical digital platforms for the public sector. You will work across the full technology stack — creating responsive front-end applications and robust backend services that are reliable, secure, and scalable.

The position offers exposure to a wide range of technologies and opportunities for growth. This is an ideal role for engineers who are passionate about learning, problem-solving, and building impactful solutions.

Key Responsibilities

• Design, develop, and deliver scalable and tested features across the full stack — including responsive portal plugins using Next.js, Redux, and JavaScript, and backend services using Java, Python, and C++.
• Work in Agile teams, contributing to sprint planning, development, reviews, and continuous improvement.
• Collaborate closely with QA, UI/UX, and DevOps engineers to ensure technical robustness and user-centric design.
• Implement unit and integration tests to support automated testing and CI/CD pipelines.
• Investigate, troubleshoot, and resolve software defects and production issues in a timely manner.
• Participate in code reviews, maintain documentation, and adhere to secure coding best practices.
• (Optional) Support architecture design or system integration work with government authentication or data exchange frameworks.

Requirements

• At least 1–3 years of hands-on experience in software development.
• Proficiency in at least one backend language — Java, Python, or C++.
• Experience developing front-end applications using Next.js, Redux, and JavaScript/TypeScript.
• Strong understanding of RESTful API design, object-oriented programming, and secure coding practices.
• Familiarity with Agile methodologies and collaboration tools (e.g., Jira, GitLab, Confluence).
• Good problem-solving skills, with the ability to work independently and in teams.
• (Bonus) Experience with cloud environments (AWS, Azure) or real-time/IoT systems.

What We Offer

• Opportunity to work on meaningful public sector digital initiatives.
• A supportive, purpose-driven team culture.
• Structured career development and technical upskilling.
• Access to modern tools, cloud technologies, and secure DevSecOps environments.

Additional Information

Shortlisted applicants may be involved in classified or sensitive projects that require handling of restricted information. As such, selected candidates will be required to undergo a security clearance process as part of the employment consideration.

Position Overview

As a Senior Software Engineer, you will be part of an agile, cross-functional team that designs and develops mission-critical digital platforms for the public sector. You will work across the full technology stack — creating responsive front-end applications and robust backend services that are reliable, secure, and scalable.

The position offers exposure to a wide range of technologies and opportunities for growth. This is an ideal role for engineers who are passionate about learning, problem-solving, and building impactful solutions.

Key Responsibilities

• Design, develop, and deliver scalable and tested features across the full stack — including responsive portal plugins using Next.js, Redux, and JavaScript, and backend services using Java, Python, and C++.
• Work in Agile teams, contributing to sprint planning, development, reviews, and continuous improvement.
• Collaborate closely with QA, UI/UX, and DevOps engineers to ensure technical robustness and user-centric design.
• Implement unit and integration tests to support automated testing and CI/CD pipelines.
• Investigate, troubleshoot, and resolve software defects and production issues in a timely manner.
• Participate in code reviews, maintain documentation, and adhere to secure coding best practices.
• (Optional) Support architecture design or system integration work with government authentication or data exchange frameworks.

Requirements

• At least 4–6 years of hands-on experience in software development.
• Proficiency in at least one backend language — Java, Python, or C++.
• Experience developing front-end applications using Next.js, Redux, and JavaScript/TypeScript.
• Strong understanding of RESTful API design, object-oriented programming, and secure coding practices.
• Familiarity with Agile methodologies and collaboration tools (e.g., Jira, GitLab, Confluence).
• Good problem-solving skills, with the ability to work independently and in teams.
• (Bonus) Experience with cloud environments (AWS, Azure) or real-time/IoT systems.

What We Offer

• Opportunity to work on meaningful public sector digital initiatives.
• A supportive, purpose-driven team culture.
• Structured career development and technical upskilling.
• Access to modern tools, cloud technologies, and secure DevSecOps environments.

Additional Information

Shortlisted applicants may be involved in classified or sensitive projects that require handling of restricted information. As such, selected candidates will be required to undergo a security clearance process as part of the employment consideration.

[2026 Internship] Software Engineer Intern

Duration: Full-time Internship (6-month period)

At Codex Solutions, we’re on a mission to explore what’s next in AI — building smart systems that automate, enhance, and inspire.

As a Software Engineer, you’ll be part of a hands-on team experimenting with AI technologies while applying core software engineering fundamentals to design, build, and test real systems. You’ll work at the intersection of software development and applied AI, learning how modern AI capabilities are engineered into reliable, maintainable applications.

You’ll get to explore, prototype, and implement AI-driven solutions that streamline work, amplify human capability, and bring real value to the organisation. If you enjoy writing code, breaking problems down into logical components, and turning ideas into working software, this internship is for you.

Why This Matters

AI is changing how organisations operate — automating routine tasks, enabling smarter decisions, and freeing people to focus on what truly matters.

This internship gives you the opportunity to apply software engineering principles to AI-enabled systems, designing and building tools that support corporate automation while learning how real-world software is developed, tested, and improved over time.

What To Expect:

1. Design, develop, and prototype software applications that incorporate AI technologies such as Generative AI, Agentic AI, and automation frameworks, with a focus on corporate process automation.

2. Build and test intelligent systems such as AI-powered software components such as assistants, workflow bots, APIs, and automation services to improve internal operations.

3. Collaborate with cross-functional teams to identify high-impact business areas where AI can drive efficiency and innovation.

4. Develop and refine AI-enabled workflows, including prompt design, LLM integration, and retrieval augmented generation (RAG) pipelines.

5. Support the full lifecycle of end-to-end software and AI implementation from ideation and proof-of-concept to testing, deployment, and continuous improvement.

6. Stay curious about emerging AI and software development trends, sharing insights and experimental findings with the wider team.

Requirements

During the internship, you will get to learn and experience:

• How to apply software engineering fundamentals (modular design, basic architecture thinking, debugging, and testing) when building AI-enabled systems.
• Hands-on experience experimenting with different AI models, APIs, and frameworks, and integrating them into working software applications.
• The fundamentals of Generative AI and Agentic AI, and how they can be applied to solve real business challenges.
• Practical skills in coding, API integration, AI prototyping, and prompt engineering, with exposure to how AI systems fit into existing applications and workflows.
• An introduction to responsible, secure, and ethical AI development, including awareness of data handling and system limitations.

Position Overview

The Chief Technology Officer (CTO) is a key executive role, reporting directly to the CEO. The CTO oversees Codex's entire technology landscape across software engineering, platforms, infrastructure, data, and AI innovation, supporting both internal capabilities and the delivery of secure, scalable, mission-critical solutions to our clients. The CTO oversees all technical aspects of the company, collaborates with other executives, and ensures the company stays at the forefront of modern engineering and applied AI.

Key Responsibilities

1. Technology Strategy and Leadership

• Define and execute the company's technology vision, across software, data, infrastructure, and AI.
• Identify emerging technologies and trends, including AI, cloud platforms, and cybersecurity; and evaluate their relevance to Codex and Home Team agencies.
• Collaborate with the CPO, COO, and stakeholders to align product, data, and AI strategies with organisational and mission objectives.
• Develop and monitor yearly plans and budgets for the Technology Office, including platform engineering, R&D, and AI initiatives.

2. Software Development and Delivery

• Lead modern software development practices and champion strong engineering culture (cloud-native development, DevSecOps, secure enclaves, automation).
• Oversee system and solution architecture, ensuring high standards for performance, security, resilience, and maintainability.
• Establish robust quality assurance and testing frameworks.
• Ensure compliance with industry standards, data security regulations and AI governance requirements.
• Drive delivery of AI-enabled solutions; including Generative AI (LLMs, multimodal RAG, agents), analytics platforms, and intelligent systems while ensuring operational fit and compliance with government standards.

3. Innovation and R&D

• Lead R&D across software, cloud, data, and AI technologies (e.g. multimodal, Agentic AI) to develop high-impact capabilities for Home Team departments.
• Foster a culture of innovation.
• Build partnerships with technology providers and academic institutions.

4. Technical & AI Team Leadership

• Build, lead, and mentor a high-performing technical team across software engineering, platform engineering, AI/ML engineering, and data engineering.
• Develop a strong technical talent pipeline.
• Establish and grow internal AI product and delivery teams capable of supporting client deployments, integrations, and operations.
• Promote a collaborative, inclusive and growth-oriented engineering culture.

5. Collaboration and Stakeholder Engagement

• Work closely with the COO to plan, design, and deliver AI and automation initiatives that streamline corporate processes and improve operational performance.
• Partner with the CPO to translate and operational requirements into scalable architectures and technical deliverables.
• Engage with end users, partners, and stakeholders to identify technology and AI opportunities and provide technical guidance.

6. Risk Management and Security

• Identify and mitigate technical and AI-related risks.
• Implement best practices for cybersecurity, secure development, and responsible AI principles.
• Establish protocols for disaster recovery, incident management and continuous monitoring of both software systems and AI models.

Requirements

Qualities We Value

• Extensive experience in technology leadership roles, preferably with deep expertise in software architecture, systems design, and modern engineering practices and the Singapore government domain.
• Strong expertise in software architecture, modern development methodologies, and IT infrastructure design (cloud and on-premise).
• Proven track record of driving innovation and delivering scalable enterprise-grade platforms, cloud/hybrid infrastructure, and mission-critical systems.
• Strong background in platform engineering, infrastructure design, DevSecOps, and engineering process maturity.
• Broad understanding of applied AI domains including Language AI (LLMs, RAG, prompt engineering, agents), and multimodal AI.
• Experience deploying AI and software systems in privacy-sensitive, off-cloud, or enclave environments.
• Strong understanding of the AI lifecycle from experimentation, data preparation, and model evaluation to deployment, monitoring, and continuous improvement.
• Excellent leadership and team-building skills.
• Strong problem-solving and decision-making abilities.
• Effective communication skills to convey technical concepts to non-technical stakeholders.

Our Commitment That Goes Beyond the Norm

• An environment where you will be working on cutting-edge technologies and architectures.
• Safe space where diverse perspectives are valued, and everyone’s unique contributions are celebrated.
• Meaningful work and projects that make a difference in people’s lives.
• A fun, passionate and collaborative workplace.
• Competitive remuneration and comprehensive benefits.

Together, We Can Make A Significant Impact – Position Overview

As a Software Engineer / Senior Software Engineer, you will design, develop, and deliver secure, scalable, and high-performing digital systems that support critical public sector operations.

You will work in a cross-functional agile team, contributing across the full software development lifecycle — from requirements analysis and system design to implementation, testing, deployment, and operations.

This role is suited for engineers who are:

• Strong in fundamentals
• Passionate about building reliable systems
• Comfortable working in structured, security-conscious environments

Experience Band:

• Software Engineer: 1–3 years of experience
• Senior Software Engineer: 4–6 years of experience

Key Responsibilities

Software Development & Engineering

• Design, develop, test, and maintain scalable full-stack applications

• Build responsive front-end applications using Next.js, Redux, JavaScript/TypeScript

• Develop backend services using Java, Python, or C++

• Implement clean, maintainable, and secure code following best practices

System Design & Architecture

• Contribute to system design, technical solutioning, and architecture discussions

• Ensure solutions meet performance, scalability, and security requirements

• Support integration with external systems (e.g., APIs, government platforms)

DevSecOps & Quality

• Implement automated testing (unit, integration, end-to-end)

• Participate in CI/CD pipelines and DevSecOps practices

• Ensure compliance with secure coding standards and governance requirements

Collaboration & Delivery

• Work in Agile teams (Scrum/Kanban) across sprints and releases

• Collaborate with Product Managers, QA, UI/UX, and DevOps engineers

• Participate in code reviews and technical discussions

• Troubleshoot and resolve issues in development and production environments

Operations & Continuous Improvement

• Support system deployment, monitoring, and maintenance

• Identify performance bottlenecks and propose improvements

• Contribute to documentation and knowledge sharing

Requirements

• 1–6 years of hands-on software development experience

• Strong proficiency in at least one backend language: Java, Python, or C++

• Experience in modern frontend development (Next.js, React, Redux, JavaScript/TypeScript)

• Good understanding of:

o RESTful APIs

o Object-Oriented Design

o Data structures and algorithms

o Secure coding practices

• Familiarity with:

o Git-based workflows (e.g., GitLab)

o CI/CD pipelines

o Agile methodologies (Scrum, Kanban)

o Experience in testing frameworks and automation

• Exposure to cloud platforms (AWS / Azure)

• Experience with containerisation (Docker, Kubernetes) is a plus

• Familiarity with DevSecOps tools (SAST, DAST, SCA) is advantageous

• Strong analytical and problem-solving skills

• Ability to work independently and collaboratively

• Good communication skills with both technical and non-technical stakeholders

• Proactive mindset with a focus on delivery and quality

What We Offer

• Opportunity to work on meaningful public sector digital initiatives.

• A supportive, purpose-driven team culture.

• Structured career development and technical upskilling.

• Access to modern tools, cloud technologies, and secure DevSecOps environments.

Additional Information

Shortlisted applicants will be required to undergo a security clearance process as part of the employment consideration.