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Sirisoft

Posted 2 months ago

Software Developer (Junior / Senior Level)

BangkokOn-siteFull-time

AI Summary

Design, develop, and maintain modern web and mobile applications as part of a cross-functional technology team. Responsibilities span frontend, backend, APIs, databases, system architecture, testing, and performance optimization.

About this role

We are looking for passionate Software Developers to join our growing technology team. The ideal candidates are self-motivated, detail-oriented, and enjoy building scalable Web and Mobile applications in a collaborative environment.


  • Junior Level (Fresh graduates are welcome with strong internship/academic projects)
  • Senior Level (3–5+ years of experience in software development)


Role Overview:

You will be responsible for designing, developing, and maintaining modern Web and Mobile applications, including frontend interfaces, backend services, APIs, and databases. You will work closely with UX/UI designers, product owners, QA, and DevOps teams to deliver high-quality software solutions.

Key Responsibilities:

1) Application Development

  • Design and develop Web and Mobile applications from Figma / Adobe XD designs.
  • Build responsive, scalable, and user-friendly interfaces.
  • Ensure pixel-perfect UI implementation with UX/UI teams.

2) Backend & API Development

  • Design and implement RESTful APIs, Web Services, and Microservices.
  • Develop backend systems using modern programming languages and frameworks.
  • Support real-time communication using WebSockets where required.
  • Work with both relational and NoSQL databases.

3) System Design & Architecture

  • Design and maintain scalable system architecture (Monolith or Microservices).
  • Design database schemas and optimize queries for performance.
  • Apply best practices for performance, scalability, and maintainability.

4) Code Quality & Testing

  • Review, refactor, and optimize code for performance and maintainability.
  • Conduct code reviews before releasing to QA.
  • Write and support automated testing (unit/integration where applicable).

5) Troubleshooting & Optimization

  • Identify, troubleshoot, and resolve system issues.
  • Analyze logs and system metrics to prevent recurring issues.
  • Provide long-term fixes and improvements.

6) Collaboration & Delivery

  • Work closely with cross-functional teams (UX/UI, QA, DevOps, Product).
  • Deliver tasks on time and communicate progress proactively.
  • Participate in team discussions, knowledge sharing, and continuous improvement.


Requirements:

  • Bachelor’s degree in Computer Science, Computer Engineering, or related fields.
  • Junior Level: Fresh graduates are welcome with strong academic performance or internship experience.
  • Senior Level: 3–5+ years of experience in software development.


Technical Skills:

Core Skills

  • Strong understanding of JavaScript / TypeScript (frontend and backend)
  • Experience with RESTful APIs, WebSockets, or Microservices architecture
  • Familiarity with Git and version control workflows (GitHub / GitLab / Bitbucket)
  • Strong problem-solving and analytical skills

Frontend (FE)

  • Frameworks: React, Angular, Next.js, React Native, Flutter (or Vue.js, Svelte)
  • UI: HTML5, CSS3 (SASS/LESS), Tailwind CSS, Material-UI
  • State Management: Redux, NgRx, React Query, Apollo Client
  • Tooling: Webpack / Vite, Jest, React Testing Library, Cypress

Backend (BE)

  • Languages/Frameworks: Java (Spring Boot), Golang, NestJS (TypeScript), C# (.NET Core)
    (or Node.js/Express, Python/Django as alternatives)
  • API: RESTful APIs, GraphQL, gRPC, WebSockets
  • Architecture: Microservices, Serverless (AWS Lambda / GCP Cloud Functions)
  • DevOps Basics: Docker, Kubernetes, CI/CD (Jenkins, GitHub Actions)
  • Messaging: Kafka, RabbitMQ (nice to have)

Database

  • Relational: PostgreSQL, MySQL
  • NoSQL: MongoDB, Redis

Soft Skills

  • Strong communication skills and ability to work with cross-functional teams
  • “Can-do” attitude with willingness to learn and adapt
  • Team player with ownership mindset
  • Able to work under deadlines and manage priorities effectively


Eligibility Requirement:

  • Candidates must be authorized to work in Thailand.
  • Visa and work permit sponsorship is not provided for this role.

Skills

AngularApollo ClientBitbucketCI/CDCSS3CypressDjangoDockerExpressFlutterGitGitHubGitHub ActionsGitLabGolangGraphQLGRPCHTML5JavaJavaScriptJenkinsJestKafkaKubernetesMaterial UIMicroservicesMongoDBMySQLNestJS-.NET CoreNext.jsNGRXNode.jsPostgreSQLPythonRabbitMQReactReact NativeReact QueryRedisReduxRESTful APIsSASSSpring BootTailwind CSSTypeScriptViteWebpackWebSockets