Job Description
We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.
Responsibilities
Integration of user-facing elements developed by front-end developers with server side logic
Writing reusable, testable, and efficient code
Design and implementation of low-latency, high-availability, and performant applications
Implementation of security and data protection
Integration of data storage solutions (may include databases, key-value stores, blob stores, etc.)
Skills And Qualifications
Strong proficiency with JavaScript (or CoffeeScript depending on your technology stack)
Knowledge of Node.js and frameworks available for it (such as Express, StrongLoop, etc depending on your technology stack)
Understanding the nature of asynchronous programming and its quirks and workarounds
Good understanding of server-side templating languages (such as Jade, EJS, etc depending on your technology stack)
Good understanding of server-side CSS preprocessors (such as Stylus, Less, etc depending on your technology stack)
Basic understanding of front-end technologies, such as HTML5, and CSS3
Understanding accessibility and security compliance (Depending on the specific project)
User authentication and authorization between multiple systems, servers, and environments
Integration of multiple data sources and databases into one system
Understanding fundamental design principles behind a scalable application

About App Innovation Technologies
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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.
- Maintaining the central databases, ensuring high performance, and responding to requests from the front-end.
- Creating a secure API for our mobile applications.
- Optimizing the application for maximum speed and scalability.
- Implementing security and data protection.
- Designing and implementing data storage solutions.
- Compiling and analyzing data, processes, and codes to troubleshoot problems and identify areas for improvement.
- Recording data and reporting it to respective parties
- Participating in all phases of the development life cycle
- Developing additional server level functionality and tools using a .NET language (C# preferred).
- Troubleshooting and fixing bugs/ flaws to ensure servers are running optimally.
- Managing Integration of user-facing elements developed by front-end developers with server side logic
Desired Candidate Profile
What you need to have:- 3 years + Experience and exposure to working on problems of scale.
- .Net Fullstack Developer with Angular(Must) and MS SQL
- Must have mobile based app development experience.
- Familiarity with the challenges involved in scaling applications from a single machine to a large deployment.
- Experience with cloud environments like Amazon's AWS is a plus.
- Experience with in working with gaming servers like SmartFox multiplayer server is a plus.
- Added advantage to those who have worked on C#, Web API , WCF, MVC, MS SQL and Angular JS in business env.
- Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
Preferred Notice Period - Less Than 1 Month
Preferred Education - Tier 1 Engineering Colleges - IIT/NIT/DTU or similar
Preferred Work Background - Startup Engineering Experience
Mandatory Skills :-
4+ years of professional experience in Native React or React JS. Mongo db experience is good to have
Highly proficient in rendering components with Native APIs
Highly proficient in JavaScript, modern JavaScript, HTML,
Highly proficient in one or more libraries (e.g. Redux, React Router, etc) for state managing and routing in addition to React.
Proficient in using Git as a control system
Responsibilities :-
Develop & deploy quality software and web applications-
Analyse and maintain existing software applications-
Design highly scalable, testable code-
Discover and fix programming bugs
Qualifications :-
Bachelor's degree or equivalent experience in Computer Science







