Backend Developer

Key Responsibilities:

• Design, implement, and maintain server-side applications, APIs, and databases.
• Collaborate with front-end developers to integrate user-facing elements with server-side logic.
• Develop RESTful APIs, GraphQL, or other web services that integrate with databases and external services.
• Write clean, efficient, and reusable code while following best practices for backend development.
• Optimize applications for speed and scalability.
• Ensure the security of applications, databases, and data handling practices.
• Troubleshoot and debug issues in production and development environments.
• Write unit and integration tests to ensure the reliability and stability of the backend code.
• Work with databases (SQL or NoSQL) and optimize database queries for performance.
• Implement caching mechanisms to improve application performance.
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We are looking for a highly skilled Backend Developer to join our development team. As a Backend Developer, you will be responsible for designing, implementing, and maintaining the server-side components of our web applications. You will work closely with frontend developers, system administrators, and other teams to build scalable, efficient, and secure solutions.

Key Responsibilities:

• Design and develop server-side applications and APIs to support frontend requirements.
• Write clean, maintainable, and efficient code in backend programming languages (e.g., Node.js, Python, Ruby, Java, PHP).
• Build and maintain databases (e.g., MySQL, PostgreSQL, MongoDB) and ensure optimal performance, scalability, and security.
• Develop RESTful or GraphQL APIs for easy integration with frontend systems.
• Implement data storage solutions, caching strategies, and other performance optimizations.
• Ensure applications are secure by implementing proper authentication, authorization, and data protection practices.
• Collaborate with frontend developers to define API specifications and deliver seamless user experiences.

• Write code and tests, build prototypes, resolve issues, and profile and analyze bottlenecks
• Design robust APIs to support mobile and desktop clients
• Manage and optimize scalable distributed systems in the cloud
• Optimize web applications for performance and scalability
• Develop automated tests to ensure business needs are met, and allow for regression testing

Required skills and qualifications

• Excellent foundation in computer science, algorithms, and web design
• Experience in writing highly secure web applications
• Experience with core AWS web-enabling technologies
• Growth mindset that challenges the status quo and focuses on outside-the-box ideas and solutions

Preferred skills and qualifications

• Bachelor’s degree (or equivalent) in computer science
• Experience in designing RESTful APIs, specifically for mobile apps
• Experience in leading a team

A Backend Developer is responsible for building and maintaining the server-side logic and databases that power web and mobile applications. They focus on the "behind-the-scenes" functionality, ensuring applications are efficient, scalable, and secure. Unlike frontend developers who work on the user interface, backend developers work on the server, application, and database.

Responsibilities:

• Server-Side Logic Development:
• Design, develop, and maintain server-side applications and APIs.
• Write clean, efficient, and well-documented code.
• Implement business logic and data processing.
• Database Management:
• Design and manage databases (e.g., relational, NoSQL).
• Optimize database performance and ensure data integrity.
• Write and optimize database queries.
• API Development and Integration:
• Develop and maintain RESTful or GraphQL APIs.
• Integrate third-party APIs and services.
• Ensure API security and reliability.
• System Architecture:
• Contribute to the design and architecture of backend systems.
• Ensure scalability, performance, and reliability of applications.
• Troubleshoot and resolve system issues.
• Testing and Debugging:
• Write unit and integration tests.
• Debug and resolve code errors and performance bottlenecks.
• Participate in code reviews.

Database Management:

• Designing and implementing database schemas.
• Writing and optimizing database queries (SQL or NoSQL).
• Ensuring data integrity and security.

API Development:

• Designing and building RESTful or GraphQL APIs.
• Integrating with third-party APIs and services.
• Managing API authentication and authorization.

System Architecture:

• Contributing to the design and architecture of backend systems.
• Ensuring scalability, performance, and reliability.
• Implementing security best practices.

Testing and Debugging:

• Writing unit and integration tests.
• Debugging and resolving server-side issues.
• Monitoring application performance.

JOB POSITION- FULL TIME BACKEND ENGINEER (TRADING SYSTEMS)

Satsio is an African startup that is building a crypto exchange for both spot trading and perpetual futures trading. We have many exciting and innovative features and products in the pipeline. We are looking to add to our engineering team and we are recruiting for a full time backend engineer (trading systems).

How to apply:

After reading the job description, please complete the job application via the following link: https://forms.gle/wEdVVktX3iVLCqj59

Location

This is a fully remote position. We are accepting applications from worldwide candidates.

Remuneration

Salary range in USDT shown at the top of the advert, depending on skills, experience, and location, and subject to good performance, vesting shares of 1% of the business.

Requirements

·      Proficiency in Python and expertise in working with websockets

·      Proven experience in designing and implementing complex REST APIs

·      Project experience with Flask and Django

·      Proficient with Linux and experienced working with cloud servers

·      Excellent communication skills

·      Intellectually motivated and a quick learner

·      Fluent in both spoken and written English

Preferences

·      Proficient in C++ or another low latency language

·      Experience building matching engines and trading systems

·      Experience working in the crypto exchange industry

·      Experience with blockchain nodes, creating blockchain wallet systems, cryptocurrency deposit and withdrawal systems and optimising network fees

·      Familiar with the agile development process, Github flow, and modern software engineering practices

·      Align working hours with the standard 9am-6pm UTC+1 schedule

Key Responsibilities

·      Review and understand existing backend code base and make improvements where necessary

·      Matching engine and improving its speed

·      The system that updates user balances following user transactions and performs the necessary checks prior to permitting transactions

·      Cloud server configurations and deployment and cost optimisation of resources

·      Creating APIs with supporting documentation for users who trade algorithmically directly via APIs and not via the frontend

·      Work on our p2p trading product and KYC process

·      Building the perpetual futures trading product and integrating data from 3rd party APIs

·      Performing unit tests, integrated tests, performance tests and end to end tests

·      Working on various other backend tasks that the startup requires to be done

Startup culture

Our culture is one of constant innovation. Great teamwork, creativity, a passion for innovation, constantly trying to improve, being hard working, a self starter, a quick learner, taking initiative, a can do attitude, shipping product, loyalty, and having a positive mindset are all traits which we are seeking in our future colleague. We seek to create an environment whereby colleagues can see their long-term career to be with us and to flourish with us as we grow.

What you'll do:

· Perform complex application programming activities with an emphasis on mobile development: Node.js, TypeScript, JavaScript, RESTful APIs and related backend frameworks

· Assist in the definition of system architecture and detailed solution design that are scalable and extensible

· Collaborate with Product Owners, Designers, and other engineers on different permutations to find the best solution possible

· Own the quality of code and do your own testing. Write unit test and improve test coverage.

· Deliver amazing solutions to production that knock everyone’s socks off

· Mentor junior developers on the team

What we’re looking for:

· Amazing technical instincts. You know how to evaluate and choose the right technology and approach for the job. You have stories you could share about what problem you thought you were solving at first, but through testing and iteration, came to solve a much bigger and better problem that resulted in positive outcomes all-around.

· A love for learning. Technology is continually evolving around us, and you want to keep up to date to ensure we are using the right tech at the right time.

· A love for working in ambiguity—and making sense of it. You can take in a lot of disparate information and find common themes, recommend clear paths forward and iterate along the way. You don’t form an opinion and sell it as if it’s gospel; this is all about being flexible, agile, dependable, and responsive in the face of many moving parts.

· Flexible and willing to accept change in priorities, as necessary

· Demonstrable passion for technology (e.g., personal projects, open-source involvement)

· Enthusiastic embrace of DevOps culture and collaborative software engineering

· Ability and desire to work in a dynamic, fast paced, and agile team environment

· Enthusiasm for cloud computing platforms such as AWS or Azure

· Excellent written and verbal communications skills

At Testing Ground, we are looking for a person who is highly passionate about technology and automation with a focus on value-driven deliverables, wants to work, learn, and expand their capability into the start-up domain.

This role is a great fit for someone who enjoys technology, project management, process improvement, and fast pace environment.

Apply to the link below and get in touch with now!

SKILLS REQUIRED (BACKEND ENGINEER)

• A person should have a sense of ownership, hold accountability for the task allocated with a data and results-driven attitude
• Have Knack over the bigger picture while building the technology with a keen eye over the minute details
• Proficient knowledge of Backend Programming language/framework and Security Compliance
• Must be experienced in designing and building Video Platforms with live streaming features
• A person with a growth mindset, who demonstrate strong initiative for building up your own skills
• In the ability to take existing models and best practices and adapt them to our environment
• Must know agile Data Analytics tools and cloud technology with back end integration
• Must know multiple systems, servers, data sources, analytics, and management with an ability to design dashboard with plugins

ROLES AND RESPONSIBILITIES

• Build and Design models from scratch and help product managers and stakeholders understand results
• Integration of user-facing elements developed by front-end developers with server-side logic
• Design, implement and optimize the application for maximum speed and scalability
• Management of hosting environment, Data migration, transformation, and scripting
• Streamline the process, ensuring integration and deployment of AI-driven models
• Set up and manage production infrastructure with the implementation of data storage solutions
• Help business stakeholders understand the limitations and consequences of various alternatives when planning
• Design Video making platform with a live streaming technology solution to integrate it with product
• Build data ingest and data transformation infrastructure
• Suggest creative and noble ideas to design a disruptive technology solution

BENEFITS

Remote Work | Flexibility | Flat Structure | Entrepreneurial Culture

A high degree of value on Autonomy, Flexibility, Empathy, and Mobility

An awesome work culture which has an agile team with a growth mindset

• Strong knowledge of WordPress Platform
• Expertise in WordPress Custom Theme Development and Plugin Development
• Expertise in WP Plugin Integration (WooCommerce, WPML, Membership plugins etc)
• Should understand how to make WordPress manageable from admin panel
• Understands WP architecture and knows how to perform database and code optimization for WordPress
• Expertise in HTML5, CSS3, JavaScript
• Proficiency in PHP/MYSQL and AJAX
• A thorough understanding of cross-browser compatibility issues
• Strong understanding of responsive web design techniques
• An ability to work on multiple projects and tasks at the same time
• Great attention to detail, highly organized
• A positive and upbeat attitude with the ability to learn quickly
• Minimum 4 years of experience in WordPress Development
• Experience with Magento, and Shopify (preferred)
• Excellent written and spoken English
• The ability to adapt to a diverse and multicultural environment
• A reliable workstation with a fast computer, microphone and speakers, reliable internet and power for working remotely

YOUR DUTIES AND TASKS:

• Developing and providing maintenance support for WordPress sites
• Developing custom themes and plugins
• Migrating websites from other platforms to WordPress
• Integrating and setting up plugins like WPML, WooCommerce, Membership, etc.
• Optimizing page speed of WordPress sites
• Implementing SEO/CRO best practices in WordPress sites
• Transforming complex PSD layouts into pixel-perfect presentation layer HTML5/CSS3 templates
• Creating responsive website designs
• Working under tight deadlines
• Handling multiple projects at the same time
• Producing high-quality work with a strong focus on detail

• Having experience in Hospitality/Travel/Internet/Online/Start-up/IT/Logistic/Courier/Cargo/ Transportation would be preferable.