4 276 Lead Developer jobs in Vietnam

Key reasons to join us:

1) Unparalleled Growth:

Experience the steepest learning curve of your career by solving high-impact challenges and owning critical backend architecture from Day 1.

2) World-Class Teamwork:

Collaborate closely with an international team of senior, seasoned technologists in a fast-paced, cutting-edge SaaS startup.

3) Rewarding Compensation:

Enjoy a highly competitive salary you set within our transparent range, plus performance bonuses, a 13th-month payout, and generous L&D sponsorship.

Lead Backend Developer (Python, Django, React, English)

Do you want to experience personal growth like never before?

Do you thrive in a high-performance environment where your work directly impacts millions of users?

Are you obsessed with building complex software architectures and take pride in your work?

At Sherlock Labs, all we care about is impact. We keep our team exclusive to exceptional doers who push each other and our product. If you are hungry to grow, this is your shot.

This is not a normal job offering; this is an opportunity to push your boundaries and maximize your skills while tackling the most challenging tasks in our industry. We offer a transformative career experience with an exceptional international team that brings out the best in you.

If you are adaptable, thrive in building complex database architectures, and have a high attention to detail, we want to get to know you.

Role

As a lead backend developer, you will own the development and refinement of the most complex software components of our product. You will impact the software architecture and ensure its continuous improvement. You will bring in your expertise to propose solutions for constraints blocking product development. It is your job to be the thought leader on the most complex software challenges and effectively communicate with the team to ensure fast implementations. You will be part of a tight communication flow between our founder and tech lead, where your expertise and problem-solving skills are required. Together with our tech lead, you also take part in code reviews and implement quality assurance processes for the entire organization.

Responsibilities

• Architect, build, and maintain scalable backend services and public APIs.
• Design, optimize, and document database schemas supporting millions of records.
• Implement features and performance improvements in Python/Django.
• Develop and integrate front-end interfaces with React components.
• Lead code reviews, mentor peers, and introduce best-in-class development tools.
• Monitor system health, proactively tackle technical debt, and ensure high availability.
• Participate in sprint planning, estimations, and cross-team brainstorms.

Requirements

• Exceptional English communication skills, both written and spoken.
• 4+ years of professional experience (or equivalent) in backend and/or full-stack roles.
• A proven track record in designing and optimizing complex database schemas for relational systems.
• Expert fluency in Python and Django, to the point where you "think in queries and migrations."
• Solid experience with React - You know when and how to leverage components for peak performance.
• High attention to detail, punctuality, and reliability in remote and international settings.
• A proactive mindset: you generate ideas, teach teammates, and champion new tools or best practices.
• The ability to self-organize complex projects, yet actively collaborate and share ownership in a cross-functional team.

Who this role is NOT for

• Those who need hand-holding and constant direction.
• Anyone who needs to be followed up with to ensure a task is complete.
• Those who prioritize "done" over "done right" - Excellence isn't optional here.
• People who strongly separate working from the rest of their life - We are enthusiastic builders who live for what we do.

Location, Schedule

• Remote
• flexible schedule (5-day work week; core hours as needed)

Compensation

• USD 1,500–3,500/month - You Decide Your Salary
• Because this role is all about the impact you deliver, we invite you to name a figure within this range that reflects the value and expertise you'll bring. Our goal is to find the right talent and align on value upfront through a respectful, transparent process - no tactics, no games.
• Performance-based bonus on top

Benefits

• Performance-based 13th month salary
• Full salary payment during probation period
• Fully remote, flexible working hours
• Sponsorship of learning & development programs
• A possibility to attend industry events in Europe, US, and Japan

Ready to apply?

Send your résumé and a brief cover letter to - with the subject line: "Lead Developer Application - (Your Name)"

In your cover letter, please include:

• A concrete example of a database- or API-performance design/optimization you led (metrics achieved, challenges overcome).
• Your go-to Python/Django or React trick, tool, or pattern—and why it matters.
• The value you'll bring to our team and the monthly salary within our USD 1,500–3,500 range that reflects that value.

About us

At Sherlock Labs, we're building a machine-learning platform that helps specialty car professionals unlock hidden revenue. In the last six months, our early tests have delivered up to 40% return uplifts for pilot partners. Our internationally experienced team brings over 30 years of combined expertise in scaling businesses and software, positioning us for further rapid growth in this market.

Lead Developers act as the primary point of contact for our clients, ensuring that teams are successful in their delivery. In this role, you will bring a strategic mindset to projects and spend time collaborating and negotiating with clients to bring a technical vision to life. Having a balance of high-level and tactical mindsets is a must, as you will spend time both with clients and your teammates.

At Thoughtworks, we believe in going above and beyond the standard and are committed to delivering best-in-class solutions that exceed our clients' expectations. Our standard engineering and delivery practices reflect our commitment to quality, and our team is always looking to innovate and improve. Lead Developers guide and coach their teams in their implementation and application.

Job responsibilities

• You will own the design and architecture of solutions, making pragmatic technology choices and guiding delivery from start to finish.
• You will lead delivery by tracking work, mitigating risks, and resolving issues at both team and client levels.
• You will build and nurture high-performing teams by fostering growth, wellbeing, and inclusivity, while coaching and mentoring key people.
• You will influence and consult with clients, working within constraints to design scalable solutions and drive business value.
• You will champion engineering best practices such as TDD, pair programming, clean code, and design patterns.
• You will collaborate with stakeholders and teammates to design concepts, build prototypes, and embed UX best practices into solutions.
• You will apply continuous delivery and DevSecOps practices to deliver secure, high-quality software quickly and sustainably.
• You will remain hands-on with coding, applying multiple languages, tools, and modern practices - never becoming post-technical.
• You will leverage insights from the Thoughtworks Technology Radar to adopt new tools, techniques, and approaches.
• You will advocate for a culture of feedback, learning, and inclusivity, helping individuals and teams thrive.

Job Qualifications
Technical Skills

• You are well-versed in at least one (Java 11 + Spring Boot) or more modern languages and frameworks, and are comfortable with object-oriented programming.
• You have experience leading software development teams using Agile, Lean, and/or Continuous Delivery practices.
• You have practical knowledge of engineering best practices such as TDD, continuous integration, pairing, and infrastructure automation.
• You have a learning mindset and enjoy exploring new approaches such as functional programming, event-driven architecture, or platform engineering.
• Bonus points if you have hands-on experience with cloud technologies such as AWS, Azure, Docker, or Kubernetes.
• Bonus points if you're familiar with headless commerce platforms like commercetools.

Professional Skills

• You have experience influencing others and always advocate for technical excellence while being open to change when needed.
• You bridge product and technology by helping to translate business needs into software requirements.
• You have the ability to develop and execute a technical vision with a focus on business value.
• You will act as a mentor for less experienced peers through both your technical knowledge and ability to inspire a team to deliver extraordinary impact together.
• You're resilient in ambiguous situations and can approach challenges from multiple perspectives.

Other things to know
Learning & Development

There is no one-size-fits-all career path at Thoughtworks: however you want to develop your career is entirely up to you. But we also balance autonomy with the strength of our cultivation culture. This means your career is supported by interactive tools, numerous development programs and teammates who want to help you grow. We see value in helping each other be our best and that extends to empowering our employees in their career journeys.

About Thoughtworks
Thoughtworks is a dynamic and inclusive community of bright and supportive colleagues who are revolutionizing tech. As a leading technology consultancy, we're pushing boundaries through our purposeful and impactful work. For 30+ years, we've delivered extraordinary impact together with our clients by helping them solve complex business problems with technology as the differentiator. Bring your brilliant expertise and commitment for continuous learning to Thoughtworks. Together, let's be extraordinary.

See here our AI policy.

Job description:

Sign-on Bonus
: Eligible for candidates who are currently employed elsewhere and able to join GFT 
within 30 days
 of offer acceptance.

Role Summary

We are looking for a seasoned Technical Lead (Backend) with deep expertise in backend architecture and development, particularly in the Card domain, Smart Vista, and Euronet platforms. The ideal candidate will have at least 8 years of experience in backend development and a proven track record of leading technical teams to deliver scalable, secure, and high-performance solutions in the financial services sector.

Responsibilities

• Lead the design, development, and deployment of backend systems with a focus on card transaction processing and payment gateway integration
• Architect and implement scalable microservices and APIs aligned with business and security requirements
• Provide technical leadership and mentorship to backend developers, ensuring best practices in coding, testing, and deployment
• Collaborate with cross-functional teams including front-end developers, QA, DevOps, and product managers
• Drive integration and optimization of card domain platforms within the backend ecosystem
• Ensure compliance with industry standards and regulations (e.g., PCI-DSS) in all backend implementations
• Troubleshoot complex production issues and lead root cause analysis and resolution
• Manage code reviews, technical documentation, and continuous improvement initiatives
• Liaise with stakeholders to gather technical requirements and translate them into actionable development plans

Requirements and Skills

• Bachelor's or Master's degree in Computer Science, Engineering, or related field
• Minimum 8 years of backend development experience, with at least 3 years in a technical leadership role
• Strong experience in Java and related frameworks (Spring Boot 3, Kafka, etc.)
• Solid understanding of backend frameworks and design patterns
• Deep domain knowledge in Card systems, including transaction flows, authorization, clearing, and settlement
• Experience with containerization (Docker, Kubernetes)
• Strong understanding of CI/CD pipelines, version control (Git), and agile methodologies
• Excellent communication, leadership, and problem-solving skills

Preferred Skills

• Hands-on experience with SmartVista or Euronet platforms
• Python development experience
• Cloud exposure (AWS, Azure, GCP)
• Experience in banking or fintech environments
• Knowledge of Backend-as-a-Service (BaaS) platforms
• Familiarity with Elixir and headless CMS solutions
• Exposure to AI/ML applications in fraud detection or transaction analytics
• Understanding of front-end technologies (HTML, CSS, JavaScript) for effective collaboration
• Familiarity with ISO 8583, EMV standards, and payment switching technologies

(Note: Due to the high volume of applications we receive, we are unable to respond to every candidate individually. If you have not received a response from GFT regarding your application within 10 work days, please consider that we have decided to proceed with other candidates. We truly appreciate your interest in GFT and thank you for your understanding.)

• Working location: Binh Thanh District, Ho Chi Minh City

• Number of vacancies: 1

• Level: Senior/Leader

• Roles: Backend

MAIN RESPONSIBILITIES

• Plan, develop, and maintain web & mobile apps supporting products in the entertainment/game industry, serving massive user traffic in the APAC market.

• Design and optimize backend systems for high-performance gaming applications.

• Build and maintain APIs for seamless frontend–backend communication.

• Ensure security and scalability of large-scale web systems.

• Collaborate closely with game designers and developers to deliver high-quality products.

• Stay up to date with new technologies and proactively propose improvements.

MUST HAVE SKILLS AND EXPERIENCE

• 6+ years of backend development experience with Java & Spring Boot, including experience as a Senior Developer or leading a small team.

• Strong experience in designing and developing backend server systems.

• Good at algorithms.

• Solid understanding of algorithms and ability to assess complexity.

• Hands-on experience ensuring security for large-scale web systems.

• Proficiency with Protobuf and gRPC in Microservices communication.

• Skilled in GIT for version control.

• Ability to work independently and collaboratively, under high-pressure environments.

PREFERRED QUALIFICATIONS

• Experience with messaging systems: Kafka, RabbitMQ, ZeroMQ.

• Familiarity with Docker and Kubernetes for containerization and deployment.

• Strong product mindset with focus on user experience.

• Knowledge of caching and design patterns.

WHY YOU SHOULD APPLY

• Competitive, market-based salary.

• Full salary during probation period.

• Equipped with full working gear (MacBook Pro).

• 13th-month salary, year-end bonus, project-based incentives, and annual salary review.

• Comprehensive healthcare package for employees and their dependents.

• Annual company trips, team-building activities, and a vibrant work culture: Happy Monday Lunch, Happy Hour, birthday celebrations, and more.

• Opportunity to work in a dynamic and creative entertainment/game industry environment.

What do we do?

As a pioneer for digital transformation, GFT develops sustainable solutions across new technologies – from cloud engineering and artificial intelligence to blockchain/DLT. With its deep technological expertise, strong partnerships, and comprehensive market know-how, GFT offers advice to the financial and insurance sectors, as well as the manufacturing industry. Through the intelligent use of IT solutions, GFT increases productivity and creates added value for clients. Companies gain easy and safe access to scalable IT applications and innovative business models.

Who are we?

Having started in Germany in 1987, GFT Technologies has grown to become a trusted Software Engineering and Consulting specialist for the international financial industry, counting many of the world's largest and best-known banks as our clients. We are an organization that empowers you to not only explore but raise your potential and seek out opportunities that add value. At GFT, diversity, equality, and inclusion are at the core of who we are. Ensuring a diverse and inclusive working environment for all communities is one of the main pillars of our diversity strategy, based on our core values and culture. We have been certified for 2022/23 as a 'Great Place to Work' in the APAC region. So, if you want to have the opportunity to work with an outstanding and progressive organization, this position could be right for you

Sign-on Bonus
: Eligible for candidates who are currently employed elsewhere and able to join GFT
within 30 days
of offer acceptance.

Role Summary

We are looking for a seasoned Technical Lead (Backend) with deep expertise in backend architecture and development, particularly in the Card domain, Smart Vista, and Euronet platforms. The ideal candidate will have at least 8 years of experience in backend development and a proven track record of leading technical teams to deliver scalable, secure, and high-performance solutions in the financial services sector.

Responsibilities

• Lead the design, development, and deployment of backend systems with a focus on card transaction processing and payment gateway integration
• Architect and implement scalable microservices and APIs aligned with business and security requirements
• Provide technical leadership and mentorship to backend developers, ensuring best practices in coding, testing, and deployment
• Collaborate with cross-functional teams including front-end developers, QA, DevOps, and product managers
• Drive integration and optimization of card domain platforms within the backend ecosystem
• Ensure compliance with industry standards and regulations (e.g., PCI-DSS) in all backend implementations
• Troubleshoot complex production issues and lead root cause analysis and resolution
• Manage code reviews, technical documentation, and continuous improvement initiatives
• Liaise with stakeholders to gather technical requirements and translate them into actionable development plans

Requirements and Skills

• Bachelor's or Master's degree in Computer Science, Engineering, or related field
• Minimum 8 years of backend development experience, with at least 3 years in a technical leadership role
• Strong experience in Java and related frameworks (Spring Boot 3, Kafka, etc.)
• Solid understanding of backend frameworks and design patterns
• Deep domain knowledge in Card systems, including transaction flows, authorization, clearing, and settlement
• Experience with containerization (Docker, Kubernetes)
• Strong understanding of CI/CD pipelines, version control (Git), and agile methodologies
• Excellent communication, leadership, and problem-solving skills

Preferred Skills

• Hands-on experience with SmartVista or Euronet platforms
• Python development experience
• Cloud exposure (AWS, Azure, GCP)
• Experience in banking or fintech environments
• Knowledge of Backend-as-a-Service (BaaS) platforms
• Familiarity with Elixir and headless CMS solutions
• Exposure to AI/ML applications in fraud detection or transaction analytics
• Understanding of front-end technologies (HTML, CSS, JavaScript) for effective collaboration
• Familiarity with ISO 8583, EMV standards, and payment switching technologies

(Note: Due to the high volume of applications we receive, we are unable to respond to every candidate individually. If you have not received a response from GFT regarding your application within 10 work days, please consider that we have decided to proceed with other candidates. We truly appreciate your interest in GFT and thank you for your understanding.)

About Us

Join our innovative team as we revolutionize the software development landscape with cutting-edge AI technology. Our project focuses on creating an advanced AI Agent Platform designed to streamline and enhance every phase of the Software Development Life Cycle. By integrating intelligent automation and data-driven insights, we aim to boost productivity, improve collaboration, and accelerate project delivery. Be part of a dynamic environment where creativity meets technology, and contribute to shaping the future of software development. Embrace the opportunity to work on a transformative project that empowers developers and drives industry progress.

Responsibilities

• Lead the design, development, and maintenance of backend services and systems, ensuring high performance and responsiveness.
• Architect and implement scalable and secure APIs using REST principles.
• Collaborate with cross-functional teams to integrate AI frameworks like LangChain and AutoGen into backend systems.
• Oversee database design and management, particularly with MongoDB, ensuring data integrity and security.
• Manage cloud infrastructure on platforms such as AWS, GCP, and Azure, optimizing for cost and performance.
• Mentor and guide junior and middle-level developers, fostering a culture of innovation and continuous improvement.

Desired Skills

• Bachelor degree in Computer Science, Software Engineering, or a related field. A Master degree is a plus.
• 7+ years of experience in backend development, with a strong track record of leading successful projects.
• Proficiency in server-side languages like Python and
• Extensive experience with MongoDB and API development using REST.
• Strong knowledge of version control systems, particularly Git.
• Experience with cloud services such as AWS, GCP, and Azure.
• Familiarity with backend frameworks like FastAPI and AI frameworks such as LangChain and AutoGen.
• Excellent leadership and communication skills, with the ability to manage and inspire a team.

Benefits

• Competitive salary package based on skills and experience.
• "FPT care" health insurance is exclusive for FPT employees
• Annual Summer Vacation: follows company's policy and starts from May every year
• Salary review annually or on excellent performance
• International, dynamic, friendly working environment
• 20% discount on school fees if your sons/ daughters join FPT School
• Annual leave, working conditions follow Vietnam labor laws.

Contacts

Recruitment Department – FPT Software Workforce Development

Contact Person : Ms. Vu Thi Hong Giang

Email :

Offered Salary

Negotiable

Career Level

Senior

Experience

5 Years

• Design, develop, and deploy secure and scalable smart contracts on various blockchain platforms (e.g., Ethereum, Solana, Polygon).
• Architect and build decentralized applications (dApps) and blockchain-based systems.
• Lead and mentor a team of blockchain developers, fostering a collaborative and high-performance environment.
• Contribute to the technical roadmap and strategic direction of the company's blockchain initiatives.
• Conduct code reviews, ensuring adherence to best practices in security, performance, and maintainability.
• Research and evaluate emerging blockchain technologies and protocols.
• Collaborate with product managers, designers, and other stakeholders to translate requirements into technical solutions.
• Develop and maintain robust API integrations for blockchain applications.
• Implement and manage blockchain nodes and infrastructure.
• Ensure the security and integrity of blockchain networks and applications.
• Troubleshoot and resolve complex technical issues related to blockchain development.
• Stay abreast of the latest developments and trends in the cryptocurrency and blockchain industry.
• Document technical designs, processes, and code thoroughly.
• Contribute to open-source blockchain projects where applicable.
• Write comprehensive unit and integration tests for smart contracts and dApps.

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• 5+ years of software development experience, with at least 3 years focused on blockchain development.
• Proficiency in smart contract programming languages such as Solidity, Rust, or Vyper.
• Experience with blockchain frameworks and development environments (e.g., Hardhat, Truffle, Ganache).
• Strong understanding of cryptography, consensus mechanisms, and distributed systems.
• Familiarity with various blockchain platforms (Ethereum, BSC, Polygon, Solana, etc.).
• Experience with decentralized finance (DeFi) protocols and concepts.
• Proficiency in backend development languages (e.g., Node.js, Python, Go).
• Experience with cloud platforms (AWS, GCP, Azure) and containerization (Docker, Kubernetes).
• Excellent problem-solving, analytical, and debugging skills.
• Strong leadership and team management capabilities.
• Excellent written and verbal communication skills in English.
• Experience with version control systems like Git.
• A passion for decentralized technologies and the future of finance.