Javascript Jobs

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Web/PHP Developer

About The Giving Block (a division of Shift4):

We simplify the process for non-profit organizations to accept donations in cryptocurrency, such as bitcoin, while offering donors a more tax-efficient way to support their favorite causes. We have partnered with over 250 non-profit organizations and have successfully processed millions of dollars in cryptocurrency donations.

Our mission is to make accepting cryptocurrency donations just as convenient as accepting credit card donations. Join us in empowering millions of non-profit organizations worldwide to accept cryptocurrency donations.

Job Summary:

We are seeking a skilled and versatile technical lead to join our fast-paced development team. As a technical lead, you will be responsible for designing, developing, deploying, and maintaining WordPress and API solutions.

Key Responsibilities:

Take technical ownership of WordPress and API solutions for our platform

Develop the front-end and back-end of WordPress, including implementing themes and plugins

Integrate WordPress with databases and servers

Design, develop, deploy, and maintain integration processes between applications using API services

Establish a release pipeline to ensure quality and continuous code deployments

Collaborate closely with product managers, product engineers, project managers, and business stakeholders as needed

Analyze and troubleshoot production bugs related to system integrations, and communicate corrective action plans calmly under high pressure situations

Required Competencies:

Strong knowledge of WordPress

Experience with API development

Proficiency in PHP 7.4

Familiarity with MySQL

Proficient in using Git

Experience in implementing CI/CD pipelines

Familiarity with the React JavaScript framework is a plus

Qualifications:

Self-motivated individual who is quick to learn new concepts

Strong analytical and problem-solving skills

Experience in setting up staging-production environments

Basic understanding of SEO

Good knowledge of website speed performance optimization

Familiarity with web security vulnerabilities and best practices

Experience in agile product development

Experience with Jira software or similar platforms is a plus

This is a remote position, and candidates from European time zones are highly encouraged to apply.

Please note that this job description is not exhaustive, and the responsibilities and activities may change with or without notice.
Full time
Remote
Europe

Crypto Full Stack Developer (Delhi- Remote)

Full Stack Developer Responsibilities

Develop the architecture of the front-end of websites.

Design user interactions on web pages.

Create back-end website applications.

Establish servers and databases for functionality.

Ensure cross-platform optimization for mobile devices.

Ensure applications are responsive.

Collaborate with graphic designers to incorporate web design features.

Oversee projects from conceptualization to the final product.

Design and develop APIs.

Meet technical and consumer needs.

Stay informed about advancements in web applications and programming languages.

Full Stack Developer Requirements

Bachelor's degree in Computer Science.

Strong project management skills.

Proficiency in HTML, CSS, and JavaScript.

Familiarity with JavaScript frameworks such as AngularJS, Next.js, and React.

Proficiency in server-side languages like Python, Node.js, and .NET.

Familiarity with databases such as MySQL, Oracle, and MongoDB.

Excellent verbal communication skills.

Strong problem-solving abilities.

Attention to detail.

About Astra DAO

Astra DAO is an Ethereum-based automated crypto asset allocator that offers advanced investment strategies to retail participants. The platform's innovative model creates mutually beneficial incentives for index investors, creators, and token holders.

Astra DAO simplifies passive investing for retail participants by providing various Crypto Indices. The aim of Astra DAO is to empower crypto investors to compete with quantitative investment funds by identifying profitable investments and trades.
Full time
Remote
Delhi, USA

Senior Front-end Engineer

Binance, the leading provider of blockchain ecosystem and cryptocurrency infrastructure, is seeking a Senior Front-end Engineer to enhance our web framework for the digital-asset exchange and other products.

Responsibilities:

Develop libraries and frameworks to support complex web applications, improve development efficiency, and enhance code quality.

Establish and implement architecture standards and best practices.

Optimize web applications for performance and scalability.

Requirements:

Strong technical background, with no specific academic degree required.

Extensive experience (minimum of 4 years) in designing and implementing JavaScript frameworks and libraries.

Deep understanding of popular UI rendering frameworks like React or Vue.

Proficiency in web performance optimization and error monitoring.

Expertise in frontend development tools (e.g., esbuild, Webpack, Parcel, Vite) to improve efficiency and quality.

Strong coding skills.

Preferred qualifications:

Strong GitHub/NPM portfolio.

Core developer of well-known open-source projects.

Familiarity with multiple front-end frameworks or libraries.

Proficiency in multiple programming languages.

Working at Binance:

Join a rapidly growing blockchain ecosystem with ample career development opportunities.

Collaborate with a diverse and talented workforce in a learning-driven environment.

Work on challenging and unique projects.

Join a truly global organization with international teams and a flat organizational structure.

Competitive salary and benefits.

Flexible working hours and casual work attire.

Learn more about Binance's culture and core values here.

Binance is an equal opportunity employer and values diversity in the workplace.

To apply, please read and agree to our Candidate Privacy Notice here.
Full time
Remote
Asia

Crypto Full Stack Developer (Budapest- Remote)

Job Description

Astra DAO is seeking a highly skilled Full-Stack Engineer to undertake the role of designing and developing the front-end, back-end, and architecture. The responsibilities include ensuring the responsiveness of applications, collaborating with the design team for web design features, and managing the project from conception to final product. Excellent organizational skills and attention to detail are vital for this position.

Responsibilities

Develop website architecture for the front end.

Design user interactions on web pages.

Build back-end website applications.

Establish servers and databases for functionality.

Ensure cross-platform optimization for mobile devices.

Ensure applications are responsive.

Collaborate with graphic designers to implement web design features.

Oversee projects from conception to finished product.

Design and develop APIs.

Meet technical and consumer needs.

Stay updated on developments in web applications and programming languages.

Requirements

Bachelor's degree in Computer Science.

Strong project management and organizational skills.

Proficiency in front-end languages such as HTML, CSS, and JavaScript.

Familiarity with JavaScript frameworks like AngularJS, Next.js, and React.

Proficiency in server-side languages like Python, Node.js, and .NET.

Familiarity with database technologies such as MySQL, Oracle, and MongoDB.

Excellent verbal communication skills.

Strong problem-solving abilities.

Attention to detail.

About Astra DAO

Astra DAO is an Ethereum-based automated crypto asset allocator offering advanced investment strategies to retail participants. Their innovative model benefits index investors, creators, and token holders through win-win incentives.

Astra DAO simplifies passive investing for retail participants by providing a variety of Crypto Indices. Their goal is to empower crypto investors to compete against quantitative investment funds by discovering successful investments and trades.
Full time
Remote
Budapest, Hungary

Looking for Web3 developers (Middle/Senior), for a joint project with GoChain.

Our expectations from the candidate are: 1 - Understanding of Web3 concepts such as blockchain, wallets and smart contracts;2 - Experience with Web3 libraries such as web3.js, ethers.js and others3 - Knowledge of version control systems, preferably GitWill be a plus:1 - Experience with backend (NodeJS, PostgreSQL, AWS, Docker, GraphQL, React);2 - Proven experience working as a frontend or fullstack developer on a web3/blockchain project3 - Knowledge of UX/UI design and experience working in Figma;4 - Successful implementation of greenfield projects with significant contribution to deliverables;5 - Strong communication, analytical and problem solving skills.What we offer:1 - Salary from $10,000 per month, depends on candidate's skills and experience, discussed during the interview;2 - Flexible work schedule;3 - Part-time or full-time, we are willing to provide a transition period;4 - Fully remote work;5 - Additional bonuses, equity compensation opportunities and benefits within this position. Contact Us: 1 - sequencebuild@outlook.com 2 - telegram: @sequencemod
10,000-16,000
Full time
Remote

Crypto Full Stack Developer (Athens- Remote)

Full Stack Engineer Responsibilities

Develop the structure and functionality of the front-end of websites

Design user interfaces and interactions for web pages

Develop the back-end applications for websites

Create and manage servers and databases to enable the desired functionality

Optimize applications for cross-platform use on mobile devices

Ensure the responsiveness of applications to provide a seamless user experience

Collaborate with graphic designers to implement web design features

See projects through all stages, from conception to final product

Design and build APIs to enable system integration

Meet both technical requirements and user needs in the development process

Stay up to date with advancements in web applications and programming languages

Full Stack Engineer Requirements

Bachelor's degree in Computer Science or a related field

Strong organizational and project management abilities

Proficiency in front-end languages including HTML, CSS, and JavaScript

Familiarity with JavaScript frameworks such as AngularJS, Next.js, and React

Proficiency in server-side languages like Python, Node.js, or .NET

Knowledge of database technologies such as MySQL, Oracle, and MongoDB

Excellent verbal communication skills

Strong problem-solving abilities

Attention to detail in coding and design

About Astra DAO

Astra DAO is an automated crypto asset allocator, built on the Ethereum blockchain, that offers advanced investment strategies to retail investors. The platform creates a mutually beneficial system for index investors, creators, and token holders.

Astra DAO simplifies passive investing for retail participants by offering a range of Crypto Indices. The aim of Astra DAO is to empower crypto investors to compete with quantitative investment funds and make successful investments and trades.
Full time
Remote
Athens, USA

Senior Development Experience Engineer

Exodus is seeking an experienced Development Experience Engineer to enhance the overall experience of our projects, with a particular focus on improving our mobile and browser extension apps. In this role, you will collaborate with a team of highly skilled engineers and contribute to fostering an inspiring and innovative environment.

Responsibilities

Identify areas for improvement in the development experience (DX) and develop prototypes to demonstrate the effectiveness of these improvements

Refine and implement existing prototypes to enhance the development experience

Enhance transpilation, bundling, and test suite execution times

Conduct code reviews to ensure code quality and compliance with best practices

Requirements

Strong expertise in JavaScript and Node.JS

Proficiency in build tooling, including Babel, Webpack, NPM, and Lerna

Excellent communication and collaboration skills

Preferred Skills

Experience optimizing app performance

Knowledge of app and web security

Prior experience in browser extension development

Familiarity with Electron app development

About Exodus Exodus is a decentralized team that established itself in 2015 as a multi-asset cryptocurrency wallet featuring an integrated exchange platform. We operate with the aim of enabling 50% of the global population to transition from the traditional financial system to the crypto financial system by 2030.

Benefits

Health:

We offer comprehensive health insurance plans that cover 100% of your premiums, along with 50% coverage for your dependents. Dental insurance is also provided. If you are based outside the United States, we will reimburse up to $500 per month towards your medical and dental insurance.

Paid Time Off (PTO):

Enjoy 30 days of paid time off per year, along with a flexible schedule that allows you to work remotely from any location, at any time. Even part-time employees are entitled to 15 days of paid time off.

Bereavement:

We provide employees with two weeks of paid leave for the unfortunate loss of any immediate family members, with additional time granted for grieving.

Parental Leave:

Primary caregivers are offered 13 weeks of fully paid leave, along with one month of flexible work arrangements. Secondary caregivers are eligible for 4 weeks of paid leave.

Tax Assistance:

If you have any concerns related to Bitcoin payments, we will cover the cost of consulting a tax specialist in your state or country to ensure compliance.

Perks:

We offer various seasonal perks such as coverage for gym memberships and therapy, along with quarterly Wellness Days to show our appreciation for your hard work.

Hiring Process

To apply, please take your time to answer the application questions. Submitting a resume is optional.

Recruiter Interview: If your initial application is shortlisted, you will have an interview with a member of our recruitment team. This interview will focus on gaining insights into your motivations for joining Exodus, your understanding of our mission and the cryptocurrency industry as a whole, and how your career goals align with ours.

Assessments: Depending on the role, there may be assessments relevant to the position you are applying for.

Interview with your future manager: This interview aims to assess your suitability to the role and explore your past career experiences. We will discuss both technical and interpersonal skills to determine your fit within our team.

Interview(s) with your future colleagues: These focus interviews enable mutual understanding between you and your potential future teammates. It provides an opportunity for you to gain further insights into your role while allowing us to assess how well we align in terms of competencies and desired outcomes.

Note: During our hiring process, we will discuss salary and compensation details, including bonus eligibility and benefits offered.

Salary Range: $150,000 – $184,000 USD
Full time
Remote

Senior Software Engineer - Full Stack

The company Titan is a disruptor in a well-established industry that is currently dominated by traditional players such as Fidelity, Schwab, and Goldman Sachs. These companies, however, are lacking modern infrastructure and provide poor user experiences. Titan's mission is to build a modern investment firm that is accessible to everyone.

As a Senior Fullstack Engineer, you will play a crucial role in building and enhancing various components of our platform to ensure a seamless and satisfying experience for tens of thousands of clients. This includes working on our mobile app (built with React Native), content generation and admin tools (built with React), backend systems for transactions (based on node.js), and the MongoDB database. You will collaborate closely with the CTO and other senior engineers to maintain the stability, scalability, and security of Titan's systems. Additionally, you will collaborate cross-functionally with the design, product, and customer experience teams to deliver innovative and user-friendly financial products.

We are looking for candidates with a strong technical background and at least 5 years of experience building applications using JavaScript/TypeScript. You should be familiar with all aspects of fullstack development, from frontend tweaks to backend data storage. We strongly encourage continuous learning and improvement, as we believe both Titan's and your best days are ahead. The ability to thrive in a fast-paced environment and collaborate effectively with subject matter experts from different teams is essential. Integrity and a sense of responsibility are fundamental qualities, as we act as fiduciaries for our clients. Leadership skills and the ability to mentor other members in areas such as architecture, security, and design are also valued.

In addition to working with a passionate and diverse team on a product that positively impacts thousands of people, we offer competitive compensation, including stock options, as well as comprehensive benefits like medical and dental insurance. Other perks include unlimited PTO and sick days, a 401(k) plan with employer match, provided MacBook/PC laptop, internet and health/wellness stipends, daily lunches at our headquarters, and a work-from-home stipend to optimize your set-up.

Note: The anticipated annual salary for this role is in the range of $150,000 - $210,000, along with company stock options and the benefits mentioned above. The final salary will be determined based on various factors such as work experience, skills, qualifications, and location.
Full time
Office
NYC, USA

Software Engineer (298)

Software Engineer Role at Ubiminds

Ubiminds, a GPTW certified company, partners with American software product companies to expand their development capabilities. We curate the top 5% talent from Brazil to support our clients' LATAM strategy, providing staff augmentation services and acting as an employer-of-record.

We are currently assisting Enrichly, a startup dedicated to empowering children and families to develop healthy self-esteem. Enrichly's platform combines educational content, self-assessment tools, and a learning management system to help users build self-esteem.

This is a unique opportunity for you to accelerate your international career while contributing to the future of education. We are looking for a Software Engineer who will be responsible for building rich experiences, backend services, APIs, and infrastructure as code. Your goal is to create code that performs as intended and delivers a great user experience.

Responsibilities:

Develop reliable, observable, resilient, and scalable code for web applications.

Contribute to both server and client-side web software, releasing new software frequently.

Own the entire lifecycle of your software, from design to release and observation.

Mentor junior developers to help them grow their skills and knowledge.

Collaborate with Product Management and Product Design teams to identify features and find efficient ways to build them.

Requirements:

Excellent written and verbal communication skills in English.

Proficiency in JavaScript, React, Next, and Python with Django.

Experience with AWS-hosted environments, Terraform, CI/CD pipelines, and Docker.

Understanding of Test Driven Development (TDD) principles.

Nice-to-have:

Experience with SQL and databases, including non-relational databases and cloud solutions.

Non-technical Skills:

Curiosity and a commitment to continual learning and knowledge sharing.

Self-starter who takes ownership and responsibility.

Passion for working in a startup environment and solving unique problems.

Genuine interest in making a difference for children.

Perks and Benefits:

Full back-office support, including career guidance, HR assistance, and concierge services.

Remote-first policy for a distributed team.

Provided with a MacBook for work.

Access to growth opportunities through tech talks, meetings, and virtual social events.

English lessons with a native speaker to improve communication skills.

Candidate referral bonus program.

Access to office facilities in Florianópolis, with weekly massages, snacks, drinks, and games.

Application Process:

Initial interview with the Tech Recruiter.

Next steps outlined by the client (may vary).

Job offer.
Full time
Remote
Florianópolis, Brazil

Defi Trading Developer - Quant Trading Team

The Quant Trading team is seeking an individual to execute trades and manage risks associated with derivative products, specifically options, futures, and swaps. This role involves developing and implementing trading strategies to support the quantitative trading team in making informed decisions within fast-paced and complex trading environments.
Responsibilities:
Implement DeFi applications that involve real-time trading and risk monitoring.

Conduct research, analysis, and integration of various decentralized applications available on the market.

Continuously enhance the design and performance of our automated trading systems

Create tools and systems to handle the daily analytical work required by traders and quant traders.

Collaborate closely with other teams to automate trading, reconcile transactions, and streamline analytics workflows.
Requirements:
At least 3 years of DeFi development experience, particularly working with EVM, Solana, and other blockchain ecosystems.

Proficiency in JavaScript/TypeScript, NodeJS, and relevant SDKs such as web3.js and ethers.js.

in-depth knowledge of Smart Contracts, AMM, Farming, etc.

Experience in programming with websockets.

Familiarity with Linux system programming.

Plus: Experience in trading system connectivity and model pricing.

Plus: Experience in programming with C++ and Rust.
Life @ Crypto.com:
At Crypto.com, we empower our employees to think big and explore new opportunities. We provide a supportive and ambitious team that encourages innovation and proactive problem-solving. Additionally, we offer personal and professional growth through the development of new skill sets. Our work culture is collaborative and our colleagues are all experts in their respective fields, providing a supportive environment. Above all, we pride ourselves on being one cohesive team working towards our ultimate goal of widespread cryptocurrency adoption.
Benefits:
Competitive salary

Comprehensive medical insurance package for employees and their dependents

Generous annual leave entitlement, including birthday and work anniversary leave

Flexible work hours with the option for hybrid or remote setups

Internal mobility program that offers diverse career opportunities

Work perks, such as a Cryptocurrency.com visa card upon joining

Region-specific benefits packages are available and can be discussed with our talent acquisition team.
About Crypto.com:
Founded in 2016, Crypto.com is a fast-growing global cryptocurrency platform serving over 80 million customers. Our vision is simple: Cryptocurrency in Every Wallet™. We prioritize security, privacy, and compliance, and are dedicated to accelerating the adoption of cryptocurrency by fostering innovation and empowering the next generation of builders, creators, and entrepreneurs. We aim to develop a fairer and more equitable digital ecosystem.

Learn more at https://crypto.com.

At Crypto.com, we are an equal opportunities employer committed to creating a fair and transparent environment where opportunities are available to everyone. We value diversity and inclusion, and actively seek candidates with various backgrounds, perspectives, and skills to strengthen our team.

Personal information provided by applicants will be used solely for recruitment purposes. Please note that only shortlisted candidates will be contacted.
Full time
Hybrid
Hong Kong +1