Backend Developer

About Company

ADDV HealthTech Solutions, a UK-based company, operates with a strong IT presence in Ahmedabad, empowering IT professionals and organizations with cutting-edge technologies. As a product and service-based industry, we have excelled in managing UK healthcare projects, leveraging our novel tech-led approach.

ADDV HealthTech Solutions operates as a subsidiary of the renowned UK company, ADDVantage Technologies (https://addvantage-technologies.co.uk/) delivering innovative healthcare solutions like AllDayDr, Healthya, AppLocum, PharmSmart, ADDVantage Minds, and HEALTHYA Stations. Under the visionary leadership of our Founder and CEO, Suhel Ahmed, we continue to expand our expertise and presence across the UK and the Middle East.

What are we looking for in a candidate ?

• Experience of Minimum 3 years is required.
• Strong command of MVC frameworks such as Laravel.
• Complete understanding of the fully synchronous behavior of PHP & Laravel.
• Complete understanding of MVC design patterns.
• Adequate understanding of front-end technologies, such as jQuery, JavaScript, Ajax, HTML, and CSS.
• Knowledge of object-oriented PHP programming.
• Understanding accessibility and security compliance.
• Understanding fundamental design principles behind a scalable application.
• Familiarity with limitations of PHP as a platform and its workarounds.
• Creating database schemas that represent and support business processes
• Proficient understanding of code versioning tools, such as Git.
• Proficient understanding of Pipelining and CI/CD.

What will a candidate be doing with us ?

• Top-notch development and managing and maintaining the code base with latest tech and code trends.
• Design and develop server-side logic using Laravel.
• Define and maintain the database.
• Create reusable, effective, and scalable code.
• Collaborate with a team of developers and UX designers to create a LARAVEL based web application..
• Prepare and maintain all applications utilizing standard development tools.
• Utilize back-end data services and contribute to increasing existing data services API.
• Implement security and data protection measures.
• Convey effectively with all task progress, evaluations, suggestions, schedules along with technical and process issues.
• Document the development process, architecture, and standard components.
• Keep abreast of new trends and best practices in web development.
• Develop components of the database such as cursor, queries, and Stored Procedure.
• Coordinates with co-developers and keeps project managers well informed of the status of development effort and serves as a liaison between development staff and project manager.

What will we provide to the candidate ?

• 5 days working.
• Flexible working hours
• International Exposure (UK projects)
• Training and development
• Appraisal every year
• Employee oriented policies
• Easily Adaptable Working Environment
• Various Learning and growing opportunities

At Qiro, we are a dynamic team united by a mission to foster a fair, transparent, and decentralized global lending market. Our focus lies in developing an institutional private credit protocol that seamlessly connects on-chain lenders with off-chain borrowers.

What we’re looking for:

Currently, we are seeking a Senior Backend Engineer to take charge of designing, developing, and maintaining our backend systems. As a pivotal team member, you will play a key role in ensuring the resilience, scalability, and security of our systems. You’ll collaborate closely with cross-functional teams, including smart contract developers, frontend developers, product managers, and designers, to deliver high-quality software solutions that drive our success. 

What You'll Do:

• Build and contribute to backend systems supporting Qiro products, interacting with different blockchain networks and external systems.
• Design and develop scalable and resilient client-facing backend APIs, internal services, and scripts for efficient execution of business logic.
• Architect and implement scalable backend solutions capable of handling growing user loads and evolving business requirements.
• Develop and maintain comprehensive test suites, including unit tests, integration tests, and end-to-end tests, to ensure the reliability of backend systems.
• Implement monitoring and debugging tools to proactively identify and resolve issues, ensuring high system availability.
• Collaborate with engineers, QA, and DevOps teams to deliver high-quality code within project timelines.
• Document code, APIs, and technical processes to facilitate knowledge sharing within the team and support the onboarding of new developers.

What Makes a Great Candidate:

• Strong experience in Node.js and Typescript, with proficiency in frameworks like ExpressJS (additional stacks may be used based on project requirements).
• Previous work experience in the blockchain/DeFi space, demonstrating a strong technical understanding of the EVM ecosystem.
• Proven expertise in developing backend REST APIs at scale, handling high request volumes while maintaining low latency and optimal system performance.
• Extensive professional experience in software design and architecture.
• Deep knowledge of testing frameworks and principles.
• Passion for exploring new technologies and the ability to autonomously evaluate them, making suggestions for improvement.

Nice to Have:

• Bachelor’s or Master’s degree in Computer Science.
• Smart contract development experience.
• Understanding of real-world asset tokenization on-chain.

Benefits:

• Competitive salary with regular reviews.
• Flexible remote work.
• Flexible working hours.
• Opportunities for professional growth—your success has no limits when you're driven to excel.

If you are excited about the prospect of contributing to our mission and possess the skills and passion we're looking for, we invite you to be a part of our innovative journey at Qiro. Apply now to join a team where success knows no bounds!

Key Responsibilities:

• Rewrite existing APIs in NodeJS.
• Remodel the APIs into Micro services-based architecture.
• Implement a caching layer wherever possible.
• Optimize the API for high performance and scalability.
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required:

• At least 2.5 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
• Excellent hands-on experience using MySQL or any other SQL Database.
• Good knowledge of MongoDB or any other NoSQL Database.
• Good knowledge of Redis, its data types, and their use cases.
• Experience with graph-based databases like GraphQL and Neo4j.
• Experience developing and deploying REST APIs.
• Good knowledge of Unit Testing and available Test Frameworks.
• Good understanding of advanced JS libraries and frameworks.
• Experience with Web sockets, Service Workers, and Web Push Notifications.
• Familiar with NodeJS profiling tools.
• Proficient understanding of code versioning tools such as Git.
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
• Experience building a large-scale social or location-based app.

Personality fit 

Looking to hire a Backend developer, who wakes up every day with the zeal of learning something new - a mind that is always curious. Not only this, he should be proud to have a good experience on algorithms and understand his technology at the atomic level.

Preliminary requirements for the role

1. Should understand the architecture of Node Js language, and must have had at least 1 year of solid experience in writing robust code in this language.
2. Should be well versed with basic algorithms on ( array, Linked list, stack, queue)- Yes, we do ask questions associated with time and space complexity for the above-mentioned algorithms
3. Thorough understanding of MySQL, in that, creating all types of joins ( inner, outer, left, and right) on multiple tables, views, and triggers are a piece of cake for you.
4. Further, you should have a decent understanding of database designs so that you can make quick decisions about normalization, inclusion/exclusion of foreign keys, etc
5. Should have a decent understanding of code repository tool such as GitHub
6. Should be well versed with the basics of AWS ( understanding of cloud architecture would be a plus)
7. Should be aware of the commonly used encryption techniques such as JWT, API encryption, Token management, etc
8. Exposure to working in E-commerce related applications as well as in a startup environment would be an add on. 

The key aspects of this role include:

• Design, build, and maintain scalable applications using Python.
• Contribute to the entire implementation process including driving the definition of improvements
based on business need and architectural improvements.
• Act as a subject matter expert for Application Software developers and Engineers.
• Handle server-side code for a production platform and contribute to new features.

To be the right fit, you'll need:
• More than 4+ years of experience as a software developer in Python, with knowledge of at least one
Python web framework such as Django, Flask, etc.
• Good understanding of common design patterns and architecture principles to design reliable and
Scalable applications
• Strong communication skills
• Knowledge of databases line NoSQL or MongoDB
• Good to have AWS and Docker or Web services
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3

• Developing and maintaining all server-side network components.
• Ensuring optimal performance of the central database and responsiveness to front-end requests.
• Collaborating with front-end developers on the integration of elements.
• Designing back-end services for various business processes.
• Developing high-performance applications by writing testable, reusable, and efficient code.
• Implementing effective security protocols, data protection measures, and storage solutions.
• Running diagnostic tests, repairing defects, and providing technical support.
• Documenting Node.js processes, including database schemas, as well as preparing reports.
• Recommending and implementing improvements to processes and technologies.
• Keeping informed of advancements in the field of Node.js development.

• Bachelor's degree in computer science, information science, or similar.
• At least two years of experience as a Node.js developer.
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
• Knowledge of front-end technologies such as HTML5 and CSS3.
• Superb interpersonal, communication, and collaboration skills.
• Exceptional analytical and problem-solving aptitude.
• Great organizational and time management skills.
• Availability to resolve urgent web application issues outside of business hours
• Should know CI/CD process

• Own development, design, scaling and maintenance of application and messaging engines that power the central platform of Capillary's Cloud CRM product. 
• Contribute to overall design and roadmap.
• Mentor Junior team members.

Required Skills:

• Innovative and self-motivated with passion to develop complex and scalable applications.
• 3-5 years of experience in software development with strong focus on algorithms and data structures.
• Strong coding and design skills with prior experience in developing scalable & high availability applications using Core Java/J2EE, Spring, Hibernate. 
• Work experience with Relational databases is required (Primarily MySQL)
• Prior work experience with Non-Relational databases (primarily Redis, MongoDb) is an added plus.
• Strong Analytical and Problem Solving Skills.
• BTech