2,173 Back End Developer jobs in Singapore

About the Role

Join T1's technology team and help build the digital infrastructure that makes trading fun. As a Back-End Developer, you'll design and maintain the server-side systems and APIs that power our trading platforms, connecting talented traders worldwide with institutional-grade trading infrastructure.

Key Responsibilities

Back-End Development

• Design, build and maintain scalable APIs and microservices using Golang and Python
• Develop and optimize database schemas and queries
• Implement real-time data processing systems and WebSocket connections
• Work closely with front-end developers and product owners to deliver robust solutions
• Participate in code reviews and contribute to technical architecture decisions
• Support the development of new features that enhance trader success and platform scalability
• Ensure system reliability, performance optimization, and security best practices

Requirements

Technical Skills

• Strong proficiency in Golang and Python
• Expert knowledge of databases e.g. MySQL, Supabase, Firebase, PostgreSQL
• Solid understanding of REST APIs and WebSocket protocols
• Experience with version control systems (Git)
• Deep understanding of security best practices and performance optimization
• Knowledge of caching strategies (Redis, Memcached)
• Experience with message queues and asynchronous processing

Preferred Experience

• 5+ years of back-end software development experience
• Experience with fintech, trading platforms, or financial applications
• Proven experience with real-time data handling and high-throughput systems
• Familiarity with cloud platforms (AWS, Azure, or GCP)
• Understanding of payment gateway integrations and secure financial transactions
• Experience with containerization (Docker) and orchestration (Kubernetes)
• Knowledge of CI/CD pipelines and automated testing frameworks

Personal Qualities

• Strong problem-solving skills and attention to detail
• Ability to work in a fast-paced, growth environment
• Interest in financial markets and trading technology
• Excellent communication and collaboration skills
• Proactive approach to learning new technologies

What We Offer

Professional Growth

• Work with cutting-edge fintech technology and institutional-grade trading infrastructure
• Exposure to global financial markets and trading operations
• Stay at the forefront of software development in the fintech sector

Compensation & Benefits

• Competitive salary commensurate with experience
• Employee share option plan

We are hiring for BACK END Developeres for a client that is based in Marina Bay Singapore

This is a hybrid role that follows a Dayshift Schedule (9 AM)

Salary is up to 12K monthly based on experience

At least 6 years of solid hands on BackEnd Development Experience is required with the below:

• Must be based in Singapore or has Permanent Resident visa
• Java EE, Java SE, Spring MVC
• Strong SQL
• Microservices Architecture
• AWS
• CI/CD

Technical Skills

• 6+ years of Java backend development experience with focus on data processing applications
• 3+ years of advanced SQL experience with complex query optimization
• Deep understanding of parallel data processing frameworks and techniques
• Expertise in memory optimization and performance tuning for large datasets
• Strong experience with relational database integration (PostgreSQL, MS SQL Server preferred)
• Proficiency with cloud platforms (AWS, Google Cloud, or Azure required)
• Solid understanding of SDLC best practices, version control, and CI/CD pipelines
• Knowledge of data security principles and privacy protection measures

Mathematical & Analytical Skills

• Strong mathematical background with ability to work with complex formulas and algorithms
• Excellent analytical and problem-solving capabilities
• Experience with statistical analysis and data modeling concepts

Preferred Qualifications

• AWS certification or extensive AWS experience
• Python programming experience for data analysis and scripting
• Experience with MS SQL Server and/or PostgreSQL dialects
• Knowledge of data warehousing concepts and ETL processes
• Experience with containerization (Docker, Kubernetes)
• Familiarity with data visualization tools and techniques
• Experience with Agile/Scrum methodologies

Key Responsibilities

• Design, develop, and maintain high-performance Java backend systems for data processing and analytics
• Collaborate with cross-functional teams to translate business requirements into technical solutions
• Implement parallel data processing solutions to handle large-scale datasets efficiently
• Optimize memory usage and system performance for data-intensive applications
• Develop and maintain integrations with relational databases and data warehouses
• Create and optimize complex SQL queries for data extraction, transformation, and analysis
• Implement data security measures and ensure compliance with data protection regulations
• Participate in code reviews and maintain high code quality standards
• Design and implement CI/CD pipelines for data engineering workflows

We are hiring for BACK END Developeres for a client that is based in Marina Bay Singapore

This is a hybrid role that follows a Dayshift Schedule (9 AM)

Salary is up to 12K monthly based on experience

At least 6 years of solid hands on BackEnd Development Experience is required with the below:

• Must be based in Singapore or has Permanent Resident visa
• Java EE, Java SE, Spring MVC
• Strong SQL
• Microservices Architecture
• AWS
• CI/CD

Technical Skills

• 6+ years of Java backend development experience with focus on data processing applications
• 3+ years of advanced SQL experience with complex query optimization
• Deep understanding of parallel data processing frameworks and techniques
• Expertise in memory optimization and performance tuning for large datasets
• Strong experience with relational database integration (PostgreSQL, MS SQL Server preferred)
• Proficiency with cloud platforms (AWS, Google Cloud, or Azure required)
• Solid understanding of SDLC best practices, version control, and CI/CD pipelines
• Knowledge of data security principles and privacy protection measures

Mathematical & Analytical Skills

• Strong mathematical background with ability to work with complex formulas and algorithms
• Excellent analytical and problem-solving capabilities
• Experience with statistical analysis and data modeling concepts

Preferred Qualifications

• AWS certification or extensive AWS experience
• Python programming experience for data analysis and scripting
• Experience with MS SQL Server and/or PostgreSQL dialects
• Knowledge of data warehousing concepts and ETL processes
• Experience with containerization (Docker, Kubernetes)
• Familiarity with data visualization tools and techniques
• Experience with Agile/Scrum methodologies

Key Responsibilities

• Design, develop, and maintain high-performance Java backend systems for data processing and analytics
• Collaborate with cross-functional teams to translate business requirements into technical solutions
• Implement parallel data processing solutions to handle large-scale datasets efficiently
• Optimize memory usage and system performance for data-intensive applications
• Develop and maintain integrations with relational databases and data warehouses
• Create and optimize complex SQL queries for data extraction, transformation, and analysis
• Implement data security measures and ensure compliance with data protection regulations
• Participate in code reviews and maintain high code quality standards
• Design and implement CI/CD pipelines for data engineering workflows

Job Types: Full-time, Permanent

Pay: $8, $12,000.00 per month

Experience:

• Back-end development: 6 years (Required)
• SQL: 3 years (Required)
• AWS: 3 years (Preferred)
• Azure: 3 years (Preferred)
• Google Cloud Platform: 3 years (Preferred)
• SDLC: 5 years (Required)

Location:

• Singapore (Required)

Work Location: In person

1.Collaborate closely with front-end developers in a front-end/back-end separated architecture, following Scrum Agile processes.

2.Design, develop, and maintain back-end systems to ensure high availability, scalability, and security. Participate in requirements analysis, architecture design, and technical solution reviews, translating product needs into reliable back-end implementations.

3.Design and develop RESTful APIs or GraphQL services, ensuring seamless integration with front-end applications and third-party systems.

4.Optimize database structures and queries to ensure stable performance in high-concurrency scenarios.

5.Continuously improve back-end performance, code quality, and system monitoring, proactively identifying and resolving potential issues.

6.Write reusable, maintainable, and well-documented back-end code and unit tests. Conduct code reviews and uphold coding standards and best practices within the team.

Requirements

Bachelor's degree or above in Computer Science, Software Engineering, or a related field.

At least 2–3 years of experience in Java back-end development, preferably with project experience collaborating with React/Vue/Angular front-end teams.

Proficient in Java and familiar with mainstream frameworks such as Spring Boot/Spring Cloud.

Solid experience in designing and implementing RESTful APIs and integrating with front-end or mobile systems.

Familiar with relational databases (e.g., MySQL, PostgreSQL) and NoSQL databases (e.g., Redis, MongoDB), with strong SQL optimization skills.

Understanding of distributed system design, microservices architecture, and message queues (e.g., Kafka, RabbitMQ).

Experience working in Agile Scrum teams with a clear understanding of iterative development and continuous delivery.

Strong coding discipline, debugging skills, and problem-solving ability.

Good communication skills and ability to collaborate effectively across teams.

Proficient in Redis, with experience in caching strategies, distributed locks, and performance optimization.

Position Overview

Title:
Senior Back-end Engineer

Employment Type:
Contract

Contract Duration:
1 year (Extendable)

Location:
Remote

About the Role

The Senior Back-end Engineer will
lead backend system development
for
generative AI applications
, focusing on
Python (FastAPI)
and
cloud-based scalable architectures
. The role involves technical leadership, integration of AI models, and collaboration with cross-functional teams.

Key Responsibilities

1. Technical Leadership

• Design, develop, and optimize backend services & APIs (Python, FastAPI).
• Provide architecture guidance for AI-integrated systems.
• Ensure high performance, scalability, and reliability.

2. Generative AI Integration

• Work with data scientists & ML engineers to deploy generative AI models.
• Build APIs for model inference (real-time & batch).
• Implement caching, load balancing, and vector search for AI performance.

3. Cloud Infrastructure

• Architect and manage systems on
  AWS (preferred)
  or Azure/GCP.
• Use
  Docker
  ,
  Kubernetes
  , and
  IaC
  (Terraform/CloudFormation).
• Ensure secure and cost-efficient deployments.

4. Collaboration

• Mentor backend engineers; conduct code reviews.
• Collaborate with frontend, DevOps, and product teams.
• Promote innovation and engineering best practices.

5. Performance Optimization

• Monitor backend performance and scalability.
• Optimize DB queries, API latency, and resource use.
• Implement logging, monitoring, and alerting systems.

6. Emerging Tech Adoption

• Stay current with backend and AI technologies.
• Recommend tools/frameworks to improve system capabilities.

Qualifications

Experience

• 5+ years in backend engineering.
• 2+ years leading teams or projects.
• Strong experience with
  Python & FastAPI
  .
• Hands-on experience deploying
  generative AI applications
  .

Technical Skills

• AWS
  expertise (Lambda, ECS, S3, etc.); Azure/GCP acceptable.
• Database design and optimization (
  SQL & NoSQL
  ).
• Docker, Kubernetes
  , CI/CD, and IaC tools (
  Terraform, CloudFormation
  ).

Soft Skills

• Excellent problem-solving and communication skills.
• Strong leadership and collaboration abilities.
• Able to manage multiple concurrent projects.

Education

• Bachelor's or Master's in
  Computer Science, Engineering, or related field
  .

Work Arrangement

• Schedule:
  8:00 AM – 5:00 PM (Manila Time).

Overview
Cynapse is a leading AI software company specializing in enterprise-grade Video Intelligence Solutions powered by Generative AI, tailored to meet the unique challenges of various industries. Our vertical-specific solutions empower organizations to enhance safety, operational efficiency, and security in complex environments such as roads, seaports, airports, and cities. By combining advanced Vision AI with Generative AI, we continually push the boundaries of video analytics, delivering insights and automation that transform operations.
Led by a global team with a proven track record of scaling startups into market leaders, we foster innovation, collaboration, and diverse perspectives. Headquartered in the US, Cynapse serves clients worldwide, redefining what's possible with video intelligence.
Job Description
We are looking for an experienced
Senior Backend C# Developer
to join our Portal Team, responsible for developing our enterprise-grade portal solutions. This role involves designing, implementing, and maintaining robust backend systems that power complex AI solutions for enterprise and government. You will be working with the latest technologies, including .NET Core 8 and ASP.NET, in a collaborative, agile, and professionally challenging environment.
Responsibilities
Design, develop, and maintain backend systems for our enterprise-grade portal solutions.
Take ownership of design tasks and collaborate with frontend developers, architects, and other stakeholders to align backend solutions with overall system goals.
Lead by example in producing clean high-quality, reusable code following established best practices for scalability and security.
Develop RESTful APIs and integrate with various third-party services and databases.
Perform unit testing and automated testing to ensure code quality and reliability.
Actively participate in technical discussions and contribute to code, system design, and architecture reviews.
Debug, troubleshoot, and optimize performance bottlenecks in production environments.
Follow Agile/Kanban methodologies and collaborate effectively with the engineering team.
Qualifications
Minimum 8+ years of experience as a Backend Developer with strong proficiency in C# and .NET Core (version 8 preferred).
Solid understanding of ASP.NET for building enterprise-level web applications.
Experience in designing and developing RESTful APIs and backend services.
Proficiency in Object-Oriented Programming (OOP) principles and software design patterns.
Strong understanding of relational database management systems (and SQL).
Familiarity with cloud-based deployments (Azure, AWS, or GCP) and containerization technologies like Docker or Kubernetes.
Experience with automated testing frameworks (xUnit, NUnit, or equivalent) is a strong advantage.
Knowledge of CI/CD pipelines and modern agile software development practices.
Knowledge of Microservices and message-oriented architectures, gRPC, or message brokers like RabbitMQ or Kafka is a bonus.
Innovative, motivated, and a quick learner with a passion for solving complex technical challenges.
Strong communication and teamwork skills, with the ability to work effectively in small, agile teams.
A high degree of ownership and attention to detail, with a commitment to delivering robust and high-quality software solutions.
Adaptable and open to learning new technologies and processes.
Benefits
Competitive base salary and a generous stock option package.
Health insurance coverage and professional development support.
Unique opportunity to work with a talented global team on cutting-edge technologies.
Exciting work environment with flexible working hours.
Note
Note: This position is open only to candidates based in Singapore.
Job Type
Job Type: Full-time, Permanent
#J-18808-Ljbffr

Location:
Singapore (hybrid) •
Reports to:
CTO
About Rida
Join us in shaping the future of logistics by building the backend systems and cloud infrastructure that power real-time, AI‐driven delivery optimisation.
The Role
You’ll design and scale core services, production‐grade deployment pipelines, and model‐serving infrastructure that stay reliable under dynamic, high‐throughput workloads. You’ll bridge software engineering and platform operations so our AI and ops products thrive in production.
Key Responsibilities
Backend services
Design, build, and maintain modular services in
Node.js and/or Python .
Ship secure, high‐performance
REST/GraphQL
APIs with auth ( OAuth2/JWT ), rate limiting, and caching.
Architect cloud‐native infrastructure to support AI model training, deployment, and continuous delivery.
Use Docker, Kubernetes, and infrastructure‐as‐code tools to build robust, modular environments.
Develop scalable endpoints and backend systems for real‐time and batch AI model inference, including model versioning, A/B testing, and rollback mechanisms.
Manage cloud compute and GPU with autoscaling and cost optimization on AWS/GCP/Azure.
Reliability & observability
Implement monitoring and alerting systems (Prometheus, Grafana, ELK, OpenTelemetry) to ensure high availability and rapid diagnostics across models and APIs.
Design health checks, logging pipelines, and automated incident diagnostics.
Quality & delivery
Write and maintain unit, integration, and end‐to‐end tests using Jest, PyTest, Postman, or similar frameworks to guarantee code quality and system stability.
Qualifications
5+ years
in backend or platform engineering (startup/SaaS/AI environments ideal).
Technical Mastery:
Strong knowledge of Node.js, Python, Docker, Kubernetes, and cloud platforms (AWS/GCP/Azure). Familiarity with GPU workloads and ML deployment a plus.
Quality‐Focused:
Solid experience writing robust test suites and designing systems for observability and fault tolerance.
Analytical & Systems Thinker:
Ability to design solutions that are scalable, maintainable, and cost‐efficient.
Collaborative:
Eager to work cross‐functionally with AI engineers, data scientists, and operations teams in a fast‐paced environment.
What We Offer
Impact:
Your systems directly power our AI scheduling and delivery optimisation at scale.
Growth:
Deep exposure across backend, DevOps, and MLOps; high‐ownership projects.
Compensation:
Market‐aligned salary, benefits, performance bonus; ESOP optional.
Environment:
Work with a small, ambitious team at the intersection of AI, operations, and engineering.
How to apply
Email

and

with your CV and a short note about a reliability or scalability win you’re proud of (problem → approach → impact).
#J-18808-Ljbffr

About the Role
Join T1's technology team and help build the digital infrastructure that makes trading fun. As a Back-End Developer, you'll design and maintain the server-side systems and APIs that power our trading platforms, connecting talented traders worldwide with institutional-grade trading infrastructure.
Key Responsibilities
Back-End Development
Design, build and maintain scalable APIs and microservices using Golang and Python
Develop and optimize database schemas and queries
Implement real-time data processing systems and WebSocket connections
Work closely with front-end developers and product owners to deliver robust solutions
Participate in code reviews and contribute to technical architecture decisions
Support the development of new features that enhance trader success and platform scalability
Ensure system reliability, performance optimization, and security best practices
Requirements
Technical Skills
Strong proficiency in Golang and Python
Expert knowledge of databases e.g. MySQL, Supabase, Firebase, PostgreSQL
Solid understanding of REST APIs and WebSocket protocols
Experience with version control systems (Git)
Deep understanding of security best practices and performance optimization
Knowledge of caching strategies (Redis, Memcached)
Experience with message queues and asynchronous processing
Preferred Experience
5+ years of back-end software development experience
Experience with fintech, trading platforms, or financial applications
Proven experience with real-time data handling and high-throughput systems
Familiarity with cloud platforms (AWS, Azure, or GCP)
Understanding of payment gateway integrations and secure financial transactions
Experience with containerization (Docker) and orchestration (Kubernetes)
Knowledge of CI/CD pipelines and automated testing frameworks
Personal Qualities
Strong problem-solving skills and attention to detail
Ability to work in a fast-paced, growth environment
Interest in financial markets and trading technology
Excellent communication and collaboration skills
Proactive approach to learning new technologies
What We Offer
Professional Growth
Work with cutting-edge fintech technology and institutional-grade trading infrastructure
Exposure to global financial markets and trading operations
Stay at the forefront of software development in the fintech sector
Compensation & Benefits
Competitive salary commensurate with experience
Employee share option plan
#J-18808-Ljbffr

Margin Wheeler is Singapore’s leading corporate service provider, delivering award-winning incorporation, corporate secretarial, and accounting/tax solutions. We are looking for a skilled and detail-oriented Back-End Developer to build, maintain, and optimise server-side applications, databases, and integrations that power our internal systems and client websites.
Key Responsibilities
Develop and maintain server-side logic, APIs, and databases.
Collaborate with front-end developers to integrate user-facing elements with back-end systems.
Ensure applications are secure, scalable, and high-performing.
Manage data storage solutions and implement best practices for database optimisation.
Troubleshoot and debug back-end issues, implementing fixes promptly.
Maintain documentation for code, APIs, and systems.
Stay up to date with emerging back-end technologies, frameworks, and security practices.
Requirements
Diploma/Degree in Computer Science, Information Technology, or related field.
2–3 years’ experience
in back-end development.
Proficiency in server-side languages like PHP, Python, or Node.js, and frameworks such as Laravel, Django, or Express.
Strong understanding of databases (MySQL, PostgreSQL, or similar).
Familiarity with version control tools (e.g., Git).
Knowledge of security principles and data protection best practices.
Good problem-solving skills and attention to detail.
Why Join Us
Work on diverse and technically challenging projects for multiple industries.
Collaborate with a skilled front-end and design team.
Supportive and growth-focused work environment.
#J-18808-Ljbffr