1440 Backend Engineer jobs in Singapore

Team Introduction :
At H2 Games, our User Acquisition team drives community growth by crafting targeted strategies that attract, retain, and engage users. Through creative incentives and seamless user experiences, we deliver end-to-end campaigns covering user engagement, resource allocation, and rewards. Our team tackles complex engineering challenges to ensure data consistency, security, and scalability. Working closely with data and algorithm experts, we build models and foundational platforms that optimize campaign delivery and enhance our understanding of our diverse user base-enabling the growth and success of H2 Games in a competitive market.
Job Responsibilities:
We are seeking a talented Back-end Engineer to join our dynamic team. You will be responsible for the development and maintenance of back-end systems that support our business operations and mobile game platforms. Your expertise in web technologies, will help us build and maintain reliable, scalable, and high-performance internal systems that drive our business forward.

• Architect, design, and build for internal systems and platforms.
• Collaborate with cross-functional teams to ensure the seamless integration of back-end systems with front-end platforms and databases.
• Optimize the performance, scalability, and reliability of back-end systems.
• Troubleshoot and resolve technical issues to ensure smooth system operations.
• Contribute to the continuous improvement of software development processes, ensuring high standards of code quality, testing, and deployment.
• Document technical designs, implementation details, and system configurations for internal use.

Job Requirements:

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• Min of 3 years of professional experience in a similar capacity
• Possess good coding and documentation habits, pay attention to code style, familiar with design patterns and principles, and continuously focus and optimize projects
• Proficiency in more programming languages such as Java, Golang, Python and PHP.Candidates with Java or Golang experience are preferred
• Familiar with common Internet technologies, including but not limited to Linux systems and principles, MySQL, RPC, MQ, caching technologies, and microservice architectures, experience with API development and integration is essential
• Strong understanding of business needs with a track record of leading or contributing to large-scale software platform projects, particularly in process systems and middleware development, experience with user growth (paid acquisition) system is advantageous
• Experience working with Javascript, CSS, and frontend frameworks such as React or Vue is advantageous
• Strong analytical skills, proactive in identifying and solving technical challenges, and driving solutions within the team.
• Ability to work closely with team members and facilitate issue resolution, ensuring efficient and effective collaboration.
• Proficiency in English and Chinese to effectively communicate with cross-functional teams, especially with Chinese-speaking counterparts.

About the Role

We're looking for a Backend Engineer who thrives in a fast-paced startup environment and has a passion for building customer-centric products. You'll play a hands-on role in shaping our backend systems while directly contributing to product strategy and delivery.

This is not your typical backend-only role - you'll work closely with customers, help shape features, and iterate fast. If you enjoy owning solutions end-to-end and collaborating across functions, we'd love to hear from you.

What You'll Do

• Engage directly with users to understand their pain points and feature requests
• Design and plan backend solutions that address real-world problems
• Build and maintain robust backend features using modern frameworks (e.g., Python, FastAPI, asyncio)
• Integrate and optimize LLM orchestration pipelines
• Set up scalable infrastructure to support backend operations
• Implement observability tools like Amplitude and Sentry for performance and error tracking
• Perform manual and automated end-to-end testing
• Triage production issues - knowing when to ship a quick fix or dive deep for a long-term solution
• Gather feedback post-release and iterate rapidly to improve the product

What We're Looking For

• 3-5 years of experience building performant, scalable backend systems
• Strong in Python (with FastAPI, asyncio), OAuth2.0, Pub/Sub with Protobuf, and Google Firestore (NoSQL)
• Deep understanding of backend development best practices: system design, async architecture, and performance optimization
• Self-starter who takes initiative and delivers independently
• Comfortable making fast, high-quality technical decisions in ambiguous or evolving contexts
• Strong collaboration and communication skills

Nice to Have

• Experience with LLM ecosystems and tools (e.g., LangGraph, Pinecone)
• Prior experience working in early-stage startups

Perks & Benefits

• Fully remote - work from anywhere
• Flexible working hours
• Unlimited paid time off (PTO)
• Fast-moving environment with full ownership and real impact

For more details, kindly click 'apply' or send an email to with your updated CV.

EA License No.: 23S2046

KAH License No.: R1652932

Activate Interactive Pte Ltd ("Activate") is a leading technology consultancy headquartered in Singapore with a presence in Malaysia and Indonesia. Our clients are empowered with quality, cost-effective, and impactful end-to-end application development, like mobile and web applications, and cloud technology that remove technology roadblocks and increase their business efficiency.

We believe in positively impacting the lives of people around us and the environment we live in through the use of technology. Hence, we are committed to providing a conducive environment for all employees to realise their full potential, who in turn have the opportunity to continuously drive innovation.

We are searching for our next team members to join our growing team.

If you love the idea of being part of a growing company with exciting prospects in mobile and web technologies that create positive impact on people's lives, then we would love to hear from you.

We are seeking for an experienced backend engineer to be part of the team to develop and support internet facing websites and internet-of-things systems.

This role would require the candidate to develop the backend for web-based system on cloud technology and support day-to-day operations.

What will you do?

• Design and develop new software systems to support business requirements
• Design, build and maintain websites and software applications
• Build reusable code that is optimized for maximum speed and scalability
• Integrate software components into a fully functional software system.
• Support and maintain all software libraries and hardware databases through proper documentations
• Develop robust Application Programming Interface (API) libraries to interface the central processing engine with other internal and external systems
• Create scalable, automated solutions
• Design and implement container based solution with Docker and Kubernetes.
• Analyze, design and develop tests and test automation suites
• Conduct network / software load and performance tests
• Develop quality assurance procedures and execute validation plans
• Documents and demonstrates solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments and clear code

What are we looking for?

• Bachelor's degree in Computer Science, Engineering, or related technical field
• 3 years of backend development experience for web technology.
• Excellent Programming Skills in JavaScript, NodeJS and JAVA
• Experience with OAuth, REST, JSON and XML.
• Experience in Spring Boot and Apache Camel framework.
• Good experience in designing and implementing container-based technologies like Docker and Kubernetes
• Experience in database management (MongoDB, MSSQL)
• Experience with cloud technology, preferably Microsoft Azure.

What do we offer in return?

• Fun working environment
• Employee Wellness Program

Does it sound like something you are interested in exploring further? Please be in touch with our team for an initial chat at

Activate Interactive Singapore is an equal opportunity employer. Employment decisions will be based on merit, qualifications and abilities. Activate Interactive Pte Ltd does not discriminate in employment opportunities or practices on the basis of race, colour, religion, gender, sexuality, national origin, age, disability, marital status or any other characteristics protected by law.

Protecting your privacy and the security of your data are longstanding top priorities for Activate Interactive Pte Ltd.

Your personal data will be processed for the purposes of managing Activate Interactive Pte Ltd's recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results, and as is otherwise needed in the recruitment and hiring processes.

Please consult our Privacy Notice () to know more about how we collect, use, and transfer the personal data of our candidates. Here you can find how you can request for access, correction and/or withdrawal of your Personal Data.

Job Description & Requirements

HerdHR is more than your typical "Human Resource Software". We provide a platform for businesses to alleviate their pain points in day-to-day HR administrative tasks from attendance tracking, rostering schedules, payroll processing, CPF, IRAS and more. Integrated e-Recruiting and applicant tracking are also something we're passionate and very excited about. We open their minds to a cloud-based solution where processes are not only automated but, in every way, connected - the way HR should be.

The Truth:

Working in a start-up is not meant for everyone. Period. But no one can change the fact that it's life-changing, demanding and yes - fun.

We hold passionate and driven individuals who are working towards one goal: seeing HerdHR make a difference in people lives.

This is a bold opportunity for you. HerdHR comprises of businesses who are looking to simplify and enhance the way they work.

We aim to take care of you, just like how we work towards allowing businesses to take care of their people.

On our part, we want to ensure you'll get all the guidance and support you need. We want to grow together with you as a company, and potentially shape you into your best.

What about YOU?

Now It's Your Turn

Obviously, we love building HR software. And surely we can do better - with your help.

What We Value:

• You have initiative and are innovative

• You seek ownership in your work

• You have passion and ambition

• You love challenges and look for responsibilities

• You have a sense of humour (we love a good joke)

• You possess good English written and spoken communication skills

Responsibilities

• Build web services and web applications using primarily PHP's Laravel

• Integrate the UI created by front-end developers with server-side logic

• Use best practices in software design to build reusable code and libraries

• Build secure, fast and scalable web applications

• Design and implementation of database schemas

Requirements

• Diploma in Information Technology, Computer Engineering, Computer Science or related fields

• MUST HAVE:

o At least one (1) year of experience in PHP

o Experience with the following programming languages: PHP and any JS Framework.

• Experience with debugging and fixing critical bugs under tight deadline

• Possess strong skills in implementation and testing

• An independent, resourceful, result-oriented, and analytical thinker.

• Ability to learn, explore, get up to speed and execute projects which may include a variety of technologies and programming languages.

• Strong oral and written English communication skills

NOTICE

We regret to inform that only shortlisted candidates will be notified. All applications will be treated with the strictest confidence.

By submitting any application or resume to us, you will be deemed to have read and agreed to the terms of our Privacy Policy, and consented to us collecting, using, retaining and disclosing your personal information to prospective employers for their consideration.

Consequences of Not Providing Personal Data for Transaction/Service/Application

Please be noted that should you not consent and provide use with the relevant personal data to fulfil the "Purposes" of collection, use and disclosure of your personal data by HerdHR, it may hinder our ability to continue to interact with you. We may not be able to make a decision on your recruitment and employment or comply with the law and therefore, we may not be able to make an offer of employment

You may refer and access our website for more information.

Job Requirements

• At least 3 years of experience as a Backend Software Engineer (or Full-Stack with a strong backend focus)
• A Bachelor's degree in Computer Science or Related field
• Experience in a trading firm, one who has built connections to exchanges are valued.
• Golang experience (or Rust or Python & C++ if no direct Golang experience)
• Expertise building real-time high-throughput systems at 99.9%+ uptime SLA
• Experience building async queuing systems, batch processing, pub-sub architecture, websockets, etc.
• Familiarity with infra-as-code, especially in AWS (e.g. configuring with Terraform, docker container orchestration, CI/CD pipelines, etc.)
• Must be able to problem-solve from a "solutions-first" and "product-first" perspective, rather than "code-first" or "technology-first"
• Interest or prior experience in finance (e.g. trading, quant research, banking, brokerage, crypto exchange, etc.)
• Have to work closely with Chinese-speaking stakeholders

Job Description

• The candidate will work in the core order management engine
• Process order work life cycle, deploy and monitor the effects of inputs (codes)
• Ensure system are up and respond in real time
• Develop new features and the platform may expand to new asset classes.
• Build core trading strategies vis-à-vis retail order flow
• Work in teams to achieve strategic task along with growth and plans of business
• Utilizing monitoring tools and analytics to track system performance and make data-driven improvements.
• Database scalability & systems-level performance optimization
• Communicating progress, challenges, and updates clearly with stakeholders to ensure alignment and transparency.
• Candidate may work remotely

Tan Wei Jie

Reg No. R25127364

Jupiter Recruitment Agency

EA License: 24C2642

UEN: 202440351N

ABOUT PLAUD AI

PLAUD AI is a pioneering AI-native hardware and software company that turns meetings and conversations into actionable insights with AI devices like PLAUD NOTE and PLAUD NotePin. By recording, transcribing, and summarizing real-life conversations, our solutions boost productivity and save time. Designed for precision and flexibility, whether in meetings or on the go, our products empower you to focus on creative, high-value work while AI handles the details.

We are a growing global team of hardware and software experts seeking advanced AI innovations that integrate with real-life user scenarios. Our newly established headquarters in San Francisco will collaborate with our teams in Shenzhen, Beijing, and Tokyo to extend AI benefits to users globally.

Visit to learn more.

WHY JOIN US

• Join a skyrocketing team where your impact drives success and your career reaches new heights, along with what we have achieved, as shared below.
• Global Leadership: Positioned uniquely to lead the future of work by leveraging innovative AI-driven devices and solutions.
• Founded in December 2021: Bootstrapped, profitable, and experiencing explosive growth.
• 10x Revenue Growth: Achieved 10x revenue growth for two consecutive years, reaching a $100 million run rate, with expectations for even greater expansion in 2025.
• Proven Product-Market Fit: Over 700,000 devices shipped globally since November 2023, with users engaging for an average of 30 hours per month to enhance productivity.
• New Initiatives: Expanding from consumer-focused products to industry-specific solutions and enterprise-level services.
• Loved by Professionals: Our products are trusted by professionals in sectors such as healthcare and sales, where conversations drive success.

WHAT YOU WILL DO

• Design and Development: Lead the design, development, and implementation of Python-based projects, ensuring on-time delivery while maintaining high-quality standards.
• Full Product Lifecycle: Participate in all phases of the product lifecycle-requirements analysis, design, development, and testing-to optimize product performance and enhance user experience.
• Research and Innovation: Drive research into new technologies to keep products competitive and foster innovation, ensuring alignment with industry trends.
• Collaboration: Collaborate closely with cross-functional teams to implement technical solutions effectively, ensuring seamless integration and performance.
• Team Development: Lead team-building efforts, promote a culture of technological innovation, and encourage knowledge sharing to strengthen team capabilities.

WHAT YOU WILL BRING

• Python Expertise: Proven experience in Python development, with a strong understanding of relevant frameworks and tools.
• Project Management: Strong project management skills with the ability to effectively coordinate and lead teams to meet deadlines and goals.
• Communication and Innovation: Excellent communication skills combined with creative problem-solving abilities, able to propose and implement new technical solutions.
• Self-motivated Learning: A proactive attitude toward learning, with the ability to quickly adapt to new technologies and industry developments.
• Leadership Experience: At least 3 years of experience in team management, with a focus on fostering collaboration and driving team success.
• Language Proficiency: Fluent in both English and Mandarin for effective communication in a bilingual work environment.

The Business Risk Integrated Control (BRIC) team is missioned:

- To protect TikTok users, including and beyond content consumers, creators, advertisers;

- By securing platform health and community experience authenticity;

- Through building infrastructures, platforms and technologies, as well as to collaborate with many cross-functional teams and stakeholders.

The BRIC team works to minimize the damage of inauthentic behaviors on TikTok, covering multiple classical and novel community and business risk areas such as account integrity, engagement authenticity, anti spam, API and growth health, live streaming security and financial safety (ads or e-commerce), etc.

In this team you'll have a unique opportunity to have first-hand exposure to the strategy of the company in key security initiatives, especially in building scalable and robust, intelligent and privacy-safe, secure and product-friendly systems and solutions. Our challenges are not some regular day-to-day technical puzzles -- You'll be part of a team that's developing novel solutions to first-seen challenges of a non-stop evolvement of a phenomenal product eco-system. The work needs to be fast, transferrable, while still down to the ground to making quick and solid differences.

Responsibilities:

- Work on infrastructure and tools to enable construction, deployment, and serving of risk defence algorithms and machine learning models at scale. Improve capacities of risk prevention, perception and remediation across various TikTok businesses.

- Build tools and automated procedures to support risk analytics and defence enforcement.

- Keep risk control solutions state-of-art on fronts of data security, modularisation, privacy and compliance. Help improve end-to-end risk service/platform/tooling SLA.

Qualifications:

Minimum Qualifications

- Bachelor or degrees above in Computer Science, Computer Engineering, Programming Language, High Performance Computing, Security Research or other relevant majors.

- Solid coding skills and experience with building distributed systems. Proficiency in one or more tools of Linux, Spark, Flink, Kubernetes; can quickly pick up others.

- Experience of strong industry experience in building distributed backend systems at scale. Successful tracking records in solving infrastructure pain-points (e.g. complex I/O requirements). Strong coding (backend, infra, algorithm) and system design ability.

Preferred Qualifications

- Bonus given to familiarity with machine learning infrastructure or applications, or social/content platform realtime stream computing systems.

- Bonus given to proficient user of Go or Rust.

- Consistently showing ownership. Proactive and skillful in communication.

- Experience from a large-scale internet business.

About TikTok

TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and its offices include New York, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us

Creation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible. Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day. To us, every challenge, no matter how difficult, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always. At TikTok, we create together and grow together. That's how we drive impact - for ourselves, our company, and the communities we serve.

Join us.

Diversity & Inclusion

TikTok is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At TikTok, our mission is to inspire creativity and bring joy. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.

Responsibilities

About the team

The e-commerce industry has seen tremendous growth in recent years and has become a hotly contested space amongst leading Internet companies, and its future growth cannot be underestimated. With millions of loyal users globally, we believe TikTok is an ideal platform to deliver a brand new and better e-commerce experience to our users. Our product engineering team is responsible for building an e-commerce ecosystem that is innovative, secure and intuitive for our users. We are looking for passionate and talented people to join us as we drive the future of e-commerce here at TikTok.

The Commercial Platform team is responsible for development of data analytics & data-empowered platform capabilities across Global E-Commerce. Our mission is to empower our users to leverage and extract actionable insights from data to maximise their potential and efficiency on the global e-commerce platform. In essence, we want to extract facts, attribute causes and predict the future from oceans of data; and our fundamental goals are to reflect business impact, leverage data to support key decisions by lowering decision making complexity and optimising decision making efficacy and efficiency.

Responsibilities

- Develop a top-tier data product system that offers dependable insights and analytical diagnostics for both internal and external business users, fostering ongoing growth.

- Steadily advance the development and enhancement of our data system architecture, focusing on reliability, reusability, scalability among others.

- Work in tandem with upstream and downstream departments to jointly design and construct data production pipelines as well as data management platforms for efficient and adaptable metrics management.

- Research, design, and develop computer and network software or specialised utility programs.

- Analyse user needs and develop software solutions, applying principles and techniques of computer science, engineering, and mathematical analysis.

- Update software, enhances existing software capabilities, and develops and direct software testing and validation procedures.

Qualifications

Minimum Qualifications

- Bachelor's or higher degree in Computer Science, Information Technology, Programming & System Analysis, Science (Computer Studies) or related discipline.

- Candidate should have at least 5 years of experience in constructing distributed backend systems.

- Proficient in software programming with a deep understanding of data structures and algorithms; demonstrates excellent code design and coding style.

- Well-understanding with mainstream distributed system platforms and tools: programming languages (Java/Golang/Python/C++), databases and caches (Mysql/PostgreSQL/Redis), message queue platforms (Kafka/RocketMQ) etc.

Preferred Qualifications

- Familiarity with big data technology stack including Flink, Spark, ClickHouse, Hive.

- Agile, quick learner with a strong sense of product ownership and a knack for creative problem-solving.

- Deeply passionate about software coding/development and building great mobile/web applications.

- A great collaborator who thrives in fast-paced, culturally diverse global team environments.

Job Information

About TikTok

TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us

Inspiring creativity is at the core of TikTok's mission. Our innovative product is built to help people authentically express themselves, discover and connect - and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and bring joy - a mission we work towards every day.

We strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. Every challenge is an opportunity to learn and innovate as one team. We're resilient and embrace challenges as they come. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our company, and our users. When we create and grow together, the possibilities are limitless. Join us.

Diversity & Inclusion

TikTok is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At TikTok, our mission is to inspire creativity and bring joy. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.

Who We Are

At TrueWatch, we're on a mission to simplify the complex world of observability. Today's DevOps, SRE, and cloud teams face fragmented tools, hidden costs, and communication silos. We've built a next-generation observability ecosystem that brings clarity to complexity.

Headquartered in Singapore, with teams across Indonesia and Taiwan, TrueWatch unifies everything-from frontend metrics and backend logs to real-time infrastructure and synthetic testing-into a single, seamless platform powered by a global node network.

What You'll Build

As a Backend Engineer (Golang / Python, Billing & B2B), you'll play a key role in building scalable systems that support usage-based billing, real-time metering, and enterprise pricing workflows. You'll work with a modern cloud-native stack that supports our rapidly growing SaaS platform.

You will:

• Design and build high-throughput microservices in Go or Python for usage metering, rating, and invoicing
• Develop robust REST/gRPC APIs backed by SQL databases (MySQL/Postgres) and Redis/Memcached caches
• Operate and monitor cloud-native services using Docker, Kubernetes, and observability tools like Prometheus and OpenTelemetry
• Collaborate with product, DevOps, and finance teams to deliver reliable, auditable billing infrastructure

What You Bring

• 3-5 years of production experience in Golang or Python backend development
• Solid understanding of HTTP protocols, SQL schema design, and caching strategies
• Hands-on experience in B2B/enterprise environments, such as contract renewals, usage tiers, or seat-based pricing models
• Bonus points for:
  Experience with billing or payment systems
  Familiarity with cloud providers like AWS, Azure, or GCP
  Exposure to CRM systems and workflow automation
• Ability to communicate in Chinese (to collaborate with the China integration team)