2,573 Senior Web Developers jobs in Singapore

• The candidate is expected to manage and execute the migration of data from legacy systems to new platforms, ensuring accuracy, integrity and minimal disruptions to business operations.
• He/she should have hands-on experience in ETL processes, database management, and data quality validation, along with strong problem-solving skills to troubleshoot complex data issues.

• Planning and analysis
• Assess existing data sources, data structures and dependencies
• Understand business requirements and migration scope
• Collaborate with business and IT teams to plan migration timelines and strategies (e.g. cutover plan, rollback plan)
• Data extraction, transformation and loading
• Design, develop and execute data migration scripts
• Map, transform and cleanse data to meet the target system's requirements
• Perform incremental and full data migrations with minimal downtime
• Ensure data integrity, consistency and accuracy
• Testing and validation
• Conduct trial migrations and validate data accuracy and completeness
• Investigate and fix any data issues
• Implement error handling, rollback plans, and data reconciliation processes
• Performance and optimization
• Optimize migration processes for performance and large data volumes
• Monitor data transfer performance and resolve bottlenecks
• Ensure the migration process adheres to data security and compliance policies

• Possess a degree in Computer Science/Information Technology or related fields.
• 3 to 8 years of experience in developing and supporting large scale systems and applications, with strong object-oriented and core programming skills:
• Java
• Python
• JavaScript
• C#.NET
• Possess good understanding of:
• Object-oriented concepts
• Design patterns
• Concurrency
• Software techniques
• Proficient in Web services, API technologies and concepts:
• JavaScript
• .NET Core
• XML
• HTML
• Experience in Application Integration, Monitoring and Control with exposure in Automated Tests.
• Proven experience in:
• Data Migration
• or
• ETL Engineering
• Strong knowledge of SQL and relational databases:
• Oracle
• MySQL
• SQL Server
• PostgreSQL
• Experience with:
• Data Validation
• Reconciliation
• Quality Assurance
• Proficient in consuming data from a variety of sources and connecting frontend applications to backend services.
• Good in analyzing requirements, creating technical specifications and using Test cases and scenarios.
• Experience with software development tools:
• Git
• Jenkins
• JIRA
• Good understanding of full System Development Life Cycle.
• Ensure compliance with IT security standards, policies and procedures.
• Strong problem solving, analytical, written and communication skills.
• Ability to work collaboratively in cross-functional teams under tight deadlines

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Senior Backend Developer – Trading Technology (C# | FX & Rates)
A leading global financial institution is seeking a Senior Backend Developer to join its high-performance trading technology team. This role focuses on foreign exchange (FX) and interest rate trading systems, driving innovation and efficiency in a fast-paced environment.
Key Responsibilities:

• Design, develop, and optimize high-frequency, low-latency trading applications in C#
• Collaborate with quantitative analysts, traders, and infrastructure teams
• Enhance pricing, risk management, and execution systems for FX and rates markets
• Ensure scalability, performance, and reliability in a dynamic financial landscape

Requirements:

• Extensive experience in C# development, with strong knowledge of multithreading and performance tuning
• Deep understanding of FX and rates markets, trading protocols, and risk management
• Proven track record in building trading systems with high availability and low latency
• Expertise in SQL, messaging frameworks, and cloud technologies

Please reach out to for more information.
EA License no.: 16S8066
Reg. No. R
Seniority level
Seniority level Mid-Senior level
Employment type
Employment type Full-time
Job function
Job function Information Technology
Industries Software Development, Technology, Information and Media, and Investment Banking
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Back-end Software Engineer (On-site )
Software Engineer – Frontend / Backend / Fullstack
Software Engineer, Backend (International Exchange)
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Design & build high-performance backend services – APIs, microservices, and databases.
Collaborate with frontend, smart contract engineers & PMs to ensure seamless off-chain/on-chain integration.
Work with DevOps to maintain & optimize CI/CD pipelines.
Debug and resolve complex backend issues ensuring stability & performance.
️ 5+ years of backend dev experience (stable, scalable, secure systems).
️ Experience in CEX/DEX or trading systems is a plus.
️ Proficient in Golang, Rust, TypeScript, Python (Golang & Rust preferred).
️ Strong knowledge of RESTful API development.
️ Fast learner, tech-savvy & proactive with new tools.
️ Strong problem-solving skills in fast-paced environments.
Seniority level
Associate
Employment type
Full-time
Job function
Venture Capital and Private Equity Principals and IT Services and IT Consulting
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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.
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Liaise with internal and external parties for integration with external systems.
Participate in Agile project management using Scrum sprints and daily stand-ups.
Responsible for design, coding, testing, and documentation.
Engage directly with customers for requirement gathering, acceptance testing, and troubleshooting.
Develop secure, scalable, and high-quality application programs and APIs.
Perform data migration, transformation, and scripting.
Demonstrate a strong commitment to code quality with a passion for delivering clean, maintainable, and defect-free solutions.
Contribute to CI/CD pipelines and DevSecOps practices to support testing and deployment.
Requirements
Bachelor’s Degree in Computer Science, IT, or equivalent.
Minimum 3 years of experience with systems implementation and the software development lifecycle.
Familiar with
Publish–Subscribe
data integration pattern.
Experience with REST APIs, Kafka, IBM MQ, and/or Solace MQ.
Hands-on experience in transforming functional specifications into design specifications.
Familiar with web technologies such as Node.js, Java Spring Boot, and/or MongoDB.
Good team player with strong communication and interpersonal skills.
Beyondsoft International (Singapore) Pte. Ltd is committed to equal opportunity employment and fostering a diverse and inclusive workplace. We prohibit discrimination and harassment of any kind and aim to create an environment where everyone can succeed and thrive.
Employment offers are contingent upon successful completion of pre-employment processes. We do not ask for recruitment fees or unauthorized payments from candidates.
Seniority level
Executive
Employment type
Full-time
Job function
Information Technology
Industries
IT Services and IT Consulting
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Our organization seeks an experienced Backend Developer to work on the design, development, and maintenance of backend applications using .NET technologies with a focus on performance, scalability, and security.

• Design, develop, and maintain backend applications using .NET Core / .NET Framework and C#.
• Build and maintain APIs (REST and/or GraphQL) for integration with frontend and third-party systems.
• Develop and optimize database structures in SQL Server or other relational databases.
• Implement secure, high-performance, and scalable backend services.
• Collaborate with frontend developers, QA testers, and business analysts to deliver solutions that meet requirements.
• Participate in code reviews, testing, and deployment processes.
• Troubleshoot and resolve technical issues across development, testing, and production environments.
• Follow Agile/Scrum methodologies for project delivery.

• Minimum 3 years' experience in backend development using .NET technologies.
• Proficient in C#, .NET Core / .NET Framework, and API development.
• Strong experience with SQL Server and database query optimization.
• Understanding of software architecture principles, performance tuning, and security best practices.
• Experience with version control systems such as Git.
• Familiarity with cloud platforms (AWS, Azure) is an advantage.
• Good problem-solving skills and ability to work independently or as part of a team.

• Experience with microservices architecture.
• Exposure to CI/CD pipelines and DevOps practices.
• Knowledge of containerization tools (Docker, Kubernetes).

Job Description:

We are seeking an experienced Senior Full Stack Developer to join our organization. The ideal candidate will have strong expertise in both back-end and front-end development, with proven experience in delivering high-performance, accessible, and scalable applications.

Key Responsibilities:

• Design, develop, and maintain web applications using Node.js (Express.js, NestJS) with TypeScript.
• Build and maintain dynamic front-end interfaces with ReactJS (Refine) and manage existing projects with VueJS.
• Design and optimize database schemas and queries for PostgreSQL and MySQL.
• Implement and manage cloud solutions on AWS, with a focus on serverless architectures (Lambda, API Gateway).
• Develop and integrate REST and GraphQL APIs.
• Optimize application performance and ensure compliance with accessibility standards.
• Collaborate closely with cross-functional teams to define requirements and deliver robust solutions.
• Troubleshoot, debug, and resolve production issues efficiently.

Required Skills & Qualifications:

• Strong proficiency in Node.js with TypeScript (Express.js, NestJS).
• Proven experience with ReactJS (Refine) and familiarity with VueJS for maintenance projects.
• Solid understanding of relational databases (PostgreSQL, MySQL).
• Hands-on experience with AWS serverless services (Lambda, API Gateway).
• Proficiency in building and consuming REST and GraphQL APIs.
• Strong focus on performance optimization and accessibility best practices.
• Excellent problem-solving and communication skills.
• Bachelor's degree in Computer Science or related field, or equivalent practical experience.

Preferred Attributes:

• Experience in large-scale application development.
• Knowledge of CI/CD pipelines and DevOps practices.
• Familiarity with testing frameworks (Jest, Cypress, etc.).

Maltem Asia is seeking Backend Developers for a Wealth Management Client based in Singapore.

Summary:

• The candidate is expected to manage and execute the migration of data from legacy systems to new platforms, ensuring accuracy, integrity and minimal disruptions to business operations.
• He/she should have hands-on experience in ETL processes, database management, and data quality validation, along with strong problem-solving skills to troubleshoot complex data issues.

Responsibilities:

• Planning and analysis
• Assess existing data sources, data structures and dependencies
• Understand business requirements and migration scope
• Collaborate with business and IT teams to plan migration timelines and strategies (e.g. cutover plan, rollback plan)
• Data extraction, transformation and loading
• Design, develop and execute data migration scripts
• Map, transform and cleanse data to meet the target system’s requirements
• Perform incremental and full data migrations with minimal downtime
• Ensure data integrity, consistency and accuracy
• Testing and validation
• Conduct trial migrations and validate data accuracy and completeness
• Investigate and fix any data issues
• Implement error handling, rollback plans, and data reconciliation processes
• Performance and optimization
• Optimize migration processes for performance and large data volumes
• Monitor data transfer performance and resolve bottlenecks
• Ensure the migration process adheres to data security and compliance policies

Must Have Skillsets:

• Possess a degree in Computer Science/Information Technology or related fields.
• 3 to 8 years of experience in developing and supporting large scale systems and applications, with strong object-oriented and core programming skills:
• Java
• Python
• JavaScript
• C#.NET
• Possess good understanding of:
• Object-oriented concepts
• Design patterns
• Concurrency
• Software techniques
• Proficient in Web services, API technologies and concepts:
• JavaScript
• .NET Core
• XML
• HTML
• Experience in Application Integration, Monitoring and Control with exposure in Automated Tests.
• Proven experience in:
• Data Migration
• or
• ETL Engineering
• Strong knowledge of SQL and relational databases:
• Oracle
• MySQL
• SQL Server
• PostgreSQL
• Experience with:
• Data Validation
• Reconciliation
• Quality Assurance
• Proficient in consuming data from a variety of sources and connecting frontend applications to backend services.
• Good in analyzing requirements, creating technical specifications and using Test cases and scenarios.
• Experience with software development tools:
• Git
• Jenkins
• JIRA
• Good understanding of full System Development Life Cycle.
• Ensure compliance with IT security standards, policies and procedures.
• Strong problem solving, analytical, written and communication skills.
• Ability to work collaboratively in cross-functional teams under tight deadlines

Nasdaq Technology is looking for a passionate Back-end Software Engineer Specialist with focus on AWS Cloud SaaS Java back-end Development, to join the Mumbai technology center in India. If Innovation and effectiveness drive, you forward this is the place for you!Nasdaq is continuously revolutionizing markets and undergoing transformations while we adopt new technologies to develop innovative solutions, constantly aiming to rewrite tomorrow. As a Back-end Software Engineer Specialist you will be a member of a cross-functional team, delivering critical data solutions for financial markets around the globe. In this role, you will have the opportunity to work in a strong experienced team delivering complex technology solutions to our external clients. You will work with and learn from subject matter experts and have the opportunity to take on more responsibility and progress within the development team.We are looking for candidates with a genuine desire and drive to deliver top technology solutions to today's marketsWith this position we offerJoin the Marketplace Technology organization, to work on our Nasdaq Eclipse Intelligence product, a comprehensive platform for democratizing data access, enhancing operational efficiency and generating new revenue streams, enabling Financial Market Infrastructure organizations to unlock the full potential of their data. Role Responsibilities -As Back-end Software Engineer Specialist your focus will be developing and implementing software solutions. Besides working closely with your colleagues in Mumbai you will also work closely with Nasdaq teams in other countries. You will be responsible for the development, implementation, testing, and maintenance of software applications. Be involved in the full software development process, from planning and designing to coding and testing. Work closely with business analysts and other customers to understand business requirements and translate them into software solutions. Also be responsible for providing user support and training. Design, develop, test, deploy, and maintain software applications. Serve as technical expert on development projects. Support, maintain and documents software functionality. Participate in software design meetings and performs code reviews.We expect you to have: (Minimum Qualifications) Java - at least 5 years of experience as a Java software engineer. AWS experience. SQL, RESTful APIs, Spring and Spring Boot expertise. Kotlin experience is a plus. Proficiency with Linux commands and utilities including Bash scripting. Strong problem-solving and analytical skills that enable you to troubleshoot and resolve sophisticated issues. Good communication and teamwork skills that enable you to work well with other developers, partners, and users. Passion for learning new technologies and staying updated with industry trends that help you improve your skills and knowledge. Creativity and innovation in creating solutions that meet user needs and expectations and deliver value to the business. Attention to detail and quality assurance that ensure your software products are of high quality and meet the standards and requirements. Adaptability and flexibility to work in a dynamic and fast-paced environment and cope with changing priorities and deadlines. A curiosity for the financial industry, with an interest in learning about the markets, products, and services that Nasdaq offers. Education Qualification: Degree qualified in a field related to Computer Science, Information Systems, or equivalent work experience.It Would Be Great If You (Preferred Qualifications) Kotlin experience SaaS experience Understanding of Data Lakes and Data Warehousing Familiarity with big data tools and technologies CI/CD pipeline experience Containers expertise (Docker and Kubernetes)Does it sound like you As the selection process is ongoing, please submit your application in English as soon as possible. We will get back to you in 2-3 weeks.Come as you areNasdaq is a leading global provider of trading, clearing, exchange technology, listing, information, and public company services. As the creator of the world's first electronic stock market, its technology powers more than 100 marketplaces in 50 countries. Nasdaq is home to over 4,000 total listings with a market value of approximately $12 trillion.To learn more, about our business visit business.nasdaq.com. Check out more about our Life at Nasdaq.Come as You AreWe will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request an accommodation.,

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