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Open nowPosted 20 days ago

Full-Stack Software Engineer

MyCareersFuture94,028 open roles

Pay
SGD 7,000 – SGD 10,000 a month
Where
Central, Singapore
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Your applicationOpen nowFull-Stack Software EngineerMyCareersFuture · Central, Singapore

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  5. 33.7%30 days
This job: posted 20 days ago

The posting

About KairosX

KairosX is a digital financial services group building institutional infrastructure across payments, digital assets, and cross-border financial services. The Group combines regulated operations with technology, compliance, and operational capabilities supported by its Singapore office.

KairosX Services Pte. Ltd. is our Singapore technology and operations hub, responsible for building the platforms and infrastructure that power the KairosX Group.

Responsibilities

- Design and develop high-performance, highly availablebackend services and stable, scalable RESTful APIs (decoupled frontend/backendarchitecture)

- Build services with Django / FastAPI / Flask, using DjangoREST Framework for business APIs

- Develop and maintain our React + Vite single-pageapplication covering trading, KYC/onboarding, fiat deposit/withdrawal,settlement, and account modules, with responsive support for desktop and mobile

- Integrate frontend with backend REST APIs, handling JWT /2FA authentication, form validation, reCAPTCHA, and e-signature flows

- Use AI coding assistants like Codex and Claude Codeproficiently across the software development lifecycle — from featureimplementation to debugging, testing, and code review — to raise developmentvelocity, code quality, and delivery speed

- Implement and optimise multithreaded / asynchronousprocessing for task scheduling and data flows under high concurrency

- Use Kafka, RabbitMQ, or Redis Pub/Sub for inter-servicemessaging and asynchronous task processing

- Contribute to database design and optimisation acrossMySQL / PostgreSQL / MongoDB / Redis (partitioning, index tuning)

- Collaborate closely with product, design, and QA fromdesign through delivery and continuous improvement

- Write high-quality code and unit tests; participate incode reviews to safeguard stability and maintainability

- Work comfortably in Linux server environments; supportautomated deployment, performance monitoring, and troubleshooting (GCP / cloudexperience preferred)

- Uphold security and data compliance in a regulatedfinancial context: field-level encryption, access control, and audit loggingacross data transmission, storage, and processing

Requirements

- Bachelor's degree or above in Computer Science or arelated field, with solid fundamentals (data structures, algorithms, operatingsystems, networking)

- Minimum 2 years of full-stack development experience;strong command of at least one of Django / FastAPI / Flask, proficient withDjango REST Framework, and able to independently design RESTful APIs

- Strong React frontend skills: proficient in JavaScript(ES6+) / JSX, React function components + Hooks, React Router; solid grasp ofcomponent-based architecture and frontend engineering practices

- Familiar with React state management (Context API + customHooks); comfortable with Vite builds, pnpm, and writing clean, maintainablecode (ESLint)

- Proficient in HTML / CSS, able to hand-write responsivestyles with mobile adaptation; familiar with API integration, authentication(JWT / 2FA), and CORS handling in a decoupled architecture

- Proficient in AI-assisted engineering: skilled at using AIcoding assistants like Codex and Claude Code to support the full developmentlifecycle — requirements implementation, debugging, testing, and code review

- Solid grasp of multithreading and coroutine / asyncprogramming for high-concurrency scenarios

- Hands-on project experience with message queues (Kafka,RabbitMQ, Redis Pub/Sub)

- Strong command of relational databases (MySQL, PostgreSQL)and NoSQL stores (MongoDB, Redis), including performance tuning

- Familiar with Linux; basic deployment, operations, andautomation scripting skills

- Experience integrating with banking systems, third-partypayment platforms, or crypto exchanges is a plus

- Strong independent analytical and problem-solving skills;good teamwork and communication

- Proficiency in Mandarin is preferred, as the role involvescollaborating with Mandarin-speaking team members and counterparts

Bonus

- Project experience in payments, asset management, walletsystems, or risk/compliance systems

- Familiarity with the cryptocurrency industry, Web3, orblockchain technologies

- Familiarity with finan

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