We are seeking a talented Web Developer to join our team. In this role, you will be responsible for developing, maintaining, and optimizing our web applications, ensuring they are responsive, user-friendly, and aligned with business needs. You will work closely with our design, product, and development teams to create visually appealing and highly functional websites and applications.

About the Role

As a Software Engineer on the CKB Core Team, you'll be at the forefront of driving innovation within the Nervos CKB ecosystem. This role presents an exciting opportunity to contribute to the design and implementation of cutting-edge features, ensuring the performance, scalability, and security of the core Nervos CKB. You'll have the chance to explore novel solutions that push the boundaries of blockchain technology, shaping the future evolution of the entire Nervos CKB ecosystem. We're seeking a talented and driven engineer who is passionate about making an impact in the world of blockchain technology. To get a better sense of what we're doing, check out the Nervos CKB GitHub repository and watch this introductory video on Nervos CKB.

For more insights into our work and culture, check out our team twitter and our latest blog posts.

Responsibilities

• Collaborate with the team to design and implement new features in the core Nervos CKB.
• Identify and troubleshoot performance issues to optimize the performance of Nervos CKB.
• Contribute to the development and improvement of the CKB Layer1 project, ensuring its efficiency and effectiveness.
• Explore emerging technologies and research areas to enhance the capabilities of the Nervos CKB ecosystem.

We are working with a healthcare startup who is well underway towards transforming healthcare. We are looking for a talented Senior Mobile Developer who can help shape the future of healthcare technology by building secure, easy-to-use mobile applications for both Android and iOS. If you thrive in an Agile environment and want to create impactful, user-focused solutions, this role is for you!

Job Overview:

As a Senior Mobile Developer, you will be responsible for building and maintaining mobile applications that provide users with greater control over their healthcare experience. You will work closely with our front-end and back-end teams to deliver seamless, responsive mobile experiences across iOS and Android. Your role will focus on creating reliable, secure, and efficient applications that help make healthcare more accessible and affordable.

Key Responsibilities:

• Develop and maintain mobile applications for both Android and/or iOS platforms.
• Collaborate with front-end and back-end developers to implement new features.
• Improve mobile application performance and maintain reliability.
• Diagnose, troubleshoot, and resolve issues to provide a quality user experience.

Experienced Wordpress developer who is well versed with the Divi theme builder.

- Must be creative, Passion for design

- Knowledge of basic SEO

- Excellent proofreading skills and editing

- Good English speaking and writing is a MUST

- Transfer and set up sites in various hosting sites

- Any coding knowledge is a plus

Responsibilities:

- Developing new systems and software

- Evaluating existing applications and performing updates and modifications

- Testing and debugging codes

- Work with APIs (eg, REST, OAUTH, etc)

- Handle customer/end-user technical enquiries or assistance via Whatsapp

- Ability to work independently and manage time efficiently

- Maintain communication with team and department head

As a Web Developer at WebpageFX, you will be responsible for designing, developing, and maintaining high-quality websites and web applications. You will work closely with our design and marketing teams to ensure that our websites are visually appealing, user-friendly, and align with our clients' business objectives.

Responsibilities:

• Develop and deploy smart contracts on the Flow blockchain using Cadence.
• Build and maintain decentralized applications (dApps) on the Flow blockchain.
• Design and implement front-end interfaces using modern JavaScript frameworks (React.js, Vue.js).
• Develop back-end services and APIs to support dApps and blockchain integrations.
• Work and communicate directly with project stakeholders efficiently.
• Collaborate with designers and other developers to ensure seamless user experience
• Ensure the security and performance of smart contracts and web applications.
• Conduct thorough testing and debugging of Flow-based applications.

• You already have experience with blockchain systems
• You can review EVM-based smart contracts and audit for security issues
• You already are contributing to an open-source community
• A passion for the potential of decentralized technologies to transform the future of content creation and digital identity
• You have previously worked for a start-up company and know what it takes to succeed to start, then scale products.

The Frontend Developers work with local or foreign teams of developers, designers, project managers, and stakeholders in an agile work environment. They will be responsible for the development, testing, and layout of the website, from layout to function, per the project’s specification by using front-end languages such as Javascript, HTML, and CSS but primarily, React. A successful Frontend Developer is able to beautiful website layouts and functionalities that entice the user, and at the same time are thoroughly tested and documented for the benefit of their team members.

Responsibilities and Duties

• Collaborate with other team members and stakeholders.
• Develop, layout, and test interactive user interfaces based on project specifications.
• Build reusable code and libraries for future use.
• Ensure the technical feasibility of UI/UX designs.
• Optimize websites for maximum speed and scalability.
• Ensure that websites are mobile-compatible and responsive.
• Ensure that the codebase is well-maintained and tested.
• Stay updated on the latest changes in React and other front-end technologies.

Key Responsibilities:

• Develop .NET web applications using C#, SQL, HTML5.0, JavaScript, SOAP, WCF Services, IIS, CSS, jQuery and Classic ASP
• Experience with web tools/technologies such as JavaScript, Bootstrap, JSON and one or more of the client-side frameworks such as Angular, React, Knockout, etc.
• Self-driven, motivated and has passion for Software Development using existing/new technologies
• Strong knowledge and experience with Structured Query Language (SQL)
• Design and Develop software based on Agile SDLC methodology (standups, estimation, iterative development CI, demos, retrospectives)
• Experience migrating code through various environments, creating code branches, resolving merge conflicts
• Contribute to building a Continuous Integration & Continuous Development for Automated delivery solution
• Stay abreast of new capabilities offered by open source tools and cloud services to proactively incorporate them within the platform
• Experience with developing Mobile applications based on iOS and Android platform
• Build applications using Test driven development approach and provide feedback on the work of junior developers
• Ability to work under minimal supervision, adhere to deadlines and effectively collaborate in a team environment

The Front-end Developer role requires strong front-end development, analytical and design skills. You are responsible for helping the team achieve the company’s mission and vision by creating high quality user interfaces and API consumers that are easy-to-use and maintain.The ideal candidate will have a strong understanding of user-centered design principles, excellent visual design skills, and the ability to translate user needs into engaging interfaces. You will collaborate with product managers, developers, QAs, business analysts and other stakeholders to create intuitive and effective user experiences.

The Company

Promotexter is a dynamic engineering focussed messaging business utilizing the latest cloud based technologies including Kubernetes, Kafka and Machine Learning. We offer remote working but have a beautiful office in BGC you will love to visit. We have mature processes but welcome innovation and change - you will feel valued and able to explore your ideas in a supportive environment.

The Team

The team you will be working with is composed of highly collaborative and result-oriented people. We value the growth of each individual and thus help each other through mentorship and peer reviews. There is no politics in the team as each and every individual contribution is transparent up to the highest management level. As such, good work results are greatly rewarded. 

• Wireframing and Prototyping: Create wireframes, prototypes, and interactive mockups to visualize design concepts.
• Collaboration: Work closely with cross-functional teams, including developers, product managers, QAs, business analysts and product owners, to ensure design feasibility and consistency.
• User Interface Development: Translate UI/UX designs into responsive web applications using HTML, CSS, and JavaScript.
• Iterative Design: Iterate on designs based on feedback from product owners and team members to continually improve user experience.
• Performance Optimisation: Consistently optimize application performance to ensure that page load times and consuming apis are as efficient as possible.
• Documentation: Maintain design documentation and style guides for consistency across products.
• Stay Updated: Keep up with industry trends, best practices, and emerging technologies in UI/UX design.
• Security Awareness: Implement security best practices in frontend development to protect user data and ensure secure interactions (e.g., preventing XSS, CSRF, proper use of headers and other vulnerabilities).
• Version Control: Utilize and maintain proper version control of the codebase

We are seeking a skilled Android Developer to assist in converting our existing Expo React Native applications into native Android applications. The ideal candidate will have experience with various ad monetization platforms, including AdMob, Facebook, Unity Ads, AppLovin, and Vungle, as well as a strong understanding of Web3 and blockchain programming. Familiarity with Firebase for managing sign-up and sign-in processes is also essential.

Key Responsibilities

• App Conversion: Convert existing Expo React Native applications into fully functional native Android applications, ensuring that functionality and performance are maintained.
• Reskinning: Modify and reskin applications to meet new branding requirements or design specifications while maintaining the core functionality of the app.
• Ad Integration: Implement and manage ad monetization strategies using platforms such as:
• AdMob
• Facebook Audience Network
• Unity Ads
• AppLovin
• Vungle
• Etc.
• Web3 and Blockchain Development: Collaborate on projects that involve blockchain technology and decentralized applications (dApps).
• Firebase Integration: Utilize Firebase to implement and troubleshoot sign-up and sign-in functionalities, ensuring a smooth user authentication experience.
• Collaboration: Work closely with designers, product managers, and other developers to create a seamless user experience.
• Testing and Debugging: Conduct thorough testing and debugging of applications to ensure high-quality performance and user satisfaction. Identify and resolve issues efficiently.
• Documentation: Maintain clear documentation of code and processes for future reference and team collaboration.

As a Web Developer at Valenin, you will play a pivotal role in designing, developing, and maintaining our web applications and platforms. You will collaborate with a talented team of designers, developers, and product managers to create innovative and user-friendly digital experiences.

• Develop and maintain mobile applications using Flutter.
• Build and manage backend services with Node.js.
• Design and implement RESTful APIs for seamless integration.
• Collaborate with cross-functional teams for feature development.
• Optimize app performance and ensure scalability.
• Troubleshoot, debug, and resolve issues efficiently

Educational Background

• Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or related fields is usually preferred. However, equivalent work experience or a solid portfolio can sometimes compensate.

Technical Skills

• Programming Languages: Proficiency in languages relevant to the project (e.g., Python, Java, JavaScript, C#, or Ruby).
• Frameworks & Libraries: Experience with frameworks depending on the project requirements.
• Database Management: Proficiency in database technologies (SQL, MySQL, MongoDB, PostgreSQL).
• Version Control: Familiarity with version control systems, especially Git, to collaborate effectively on code.

Project Experience

• Previous project-based or freelance experience in software development is often preferred.
• Demonstrable projects or portfolio that showcases problem-solving skills, technical expertise, and code quality.
• Agile or Scrum experience if the project will use these methodologies.

Soft Skills

• Problem-Solving Skills: Ability to troubleshoot and debug issues independently.
• Communication: Effective verbal and written communication, especially if working with cross-functional teams.
• Adaptability: Flexibility to adapt to different project scopes, technologies, and timelines.

Other

• Availability: Clear agreement on project duration, hours, and deadlines.
• Portfolio: A GitHub profile or similar showcasing previous projects, code quality, and contributions can make a strong impression.