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Role Overview
We are seeking an experienced Python Backend Developer with strong expertise in SDK development, API design, and application security. The ideal candidate will build robust backend systems, integrate third-party services, and ensure secure, scalable backend operations.
Key Responsibilities
- Design, develop, and maintain backend services using Python and modern frameworks (e.g., FastAPI, Django, Flask).
- Build and maintain SDKs to support internal and external integrations.
- Develop clean, scalable, and reusable RESTful and/or GraphQL APIs.
- Implement and enforce security best practices, including authentication, authorization, encryption, secrets management, and OWASP guidelines.
- Collaborate with frontend, DevOps, and product teams to deliver end-to-end features.
- Integrate external APIs and third-party services efficiently and securely.
- Optimize backend performance, scalability, logging, and monitoring.
- Write automated tests and maintain high code quality through CI/CD pipelines.
- Work with client SMEs to understand existing workflows, formulas, rules, and translate them into maintainable backend services
· Consume and work with existing data models and database schemas (SQL/NoSQL) to support analytical workflows, operational planning applications, and integration of machine learning outputs into backend services.
· Leverage Redis (or similar in-memory stores) for caching and performance optimization, ensuring fast response times for data-driven APIs and applications.
· Utilize middleware, message queues, and streaming technologies (e.g., Kafka, Event Hubs, RabbitMQ) to build reliable, scalable data flows and event-driven backend services.
Required Skills & Qualifications
- Bachelor’s or Master’s degree in Computer Science, Artificial Intelligence, Software Engineering, Data Science or a related field
- Proven experience of 5+ years as a Python Developer specializing in backend systems.
- Hands-on experience with SDK design, development, and documentation.
- Strong knowledge of API development (REST, GraphQL), API versioning, and standards.
- Strong understanding of data modeling, multi-source data integration (SQL/NoSQL/warehouse), and analytical data flows.
- Solid understanding of application security, including:
- OAuth2, JWT, API keys
- Secure coding practices
- Data privacy & encryption
- Security testing & vulnerability mitigation
- Experience with Python frameworks such as FastAPI, Django, Flask.
- Knowledge of databases (PostgreSQL, MySQL, MongoDB, Redis).
- Familiarity with CI/CD, Git, Docker, Kubernetes and cloud platforms (AWS, GCP, Azure).
- Experience with caching (Redis), asynchronous processing, and performance tuning for low-latency user interactions.
- Knowledge of message brokers (Kafka, Event Hubs, RabbitMQ) and event-driven architecture for workflow orchestration.
- Strong analytical skills with complex Excel models, including familiarity with advanced formulas, pivot tables, and user-defined Excel functions
Preferred Qualifications
- Experience building public or enterprise-level SDKs.
- Hands-on experience with event-driven architectures, message queues, or streaming technologies
- Familiarity with workflow orchestration tools (e.g., Airflow, Prefect, Dagster, Azure Data Factory)
- Familiarity with data warehousing or analytical query optimization (Snowflake, BigQuery, Synapse, Redshift).
- Exposure to MLOps tools like MLflow, BentoML, Seldon, SageMaker, Vertex AI, or Databricks ML.
Competencies:
· Tech Savvy - Anticipating and adopting innovations in business-building digital and technology applications.
· Self-Development - Actively seeking new ways to grow and be challenged using both formal and informal development channels.
· Action Oriented - Taking on new opportunities and tough challenges with a sense of urgency, high energy, and enthusiasm.
· Customer Focus - Building strong customer relationships and delivering customer-centric solutions.
· Optimize Work Processes - Knowing the most effective and efficient processes to get things done, with a focus on continuous improvement.
Why Join Us?
- Be part of a collaborative and agile team driving cutting-edge AI and data engineering solutions.
- Work on impactful projects that make a difference across industries.
- Opportunities for professional growth and continuous learning.
- Competitive salary and benefits package.
Application Details
Ready to make an impact? Apply today and become part of the QX Impact team!
Looking for a seasoned technology leader to head the tech division of our software services company. This is the senior-most technology role, responsible for delivery excellence, architecture, and team leadership across multiple client projects.
RESPONSIBILITIES:-
As a Business Development Manager working under FMCG segments, an ideal candidate must perform the following responsibilities:
· Approaching potential leads a close them within a stipulated time frame.
· Create exclusive distributors, exclusive super stockist and business associated for the company towards business growth.
· Finding and developing new markets and improving sales.
REQUIREMENTS:
· Bachelor’s degree in business, marketing or related field.
· Experience in sales, marketing or related field.
· Strong communication skills.
· Excellent organisational skills.
• Strong Expertise in Javascript and ReactJS (ES6)
• 0-1 years for Junior developer
• 3-4 years for Senior developer
• Strong knowledge of scalable and repeatable application development principles and good grasp of systems design / systems architecture concepts and fundamentals
• Strong knowledge of REST APIs and in integrating with APIs from frontend applications • Strong knowledge of UI layouts, CSS3 and HTML5
• Strong knowledge of user authentication, authorization between different systems using JWT, Cookie / Session authentication etc.
• Excellent software design skills including debugging, performance analysis and testing • Experience in writing technical documentation of frontend components
• Strong experience in version control using Git, Git Flow and Agile methodologies. Knowledge of JIRA is a plus.
FULL STACK DEVELOPER
In summary, we're looking for a software developer who will be responsible for the development of our user-facing application and associated web services using MERN stack.
Applicant needs to have good knowledge of programming fundamentals and already know Javascript (or is confident about picking it up). Candidates having at least one year of experience in front-end or back-end development are preferred.
JOB RESPONSIBILITIES:
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Working closely with primary stakeholders to gather requirements and plan technical solutions.
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Development and testing of front-end and back-end components, and writing maintainable codebase.
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DevOps ie, enabling automation of sharing and building code.
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Documenting and enabling organizational structure and various channels of communication.
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Communicating thorough requirements and issues with the software system.
CANDIDATES MUST HAVE:
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Strong programming fundamentals and demonstrable experience through work or projects in any programming language
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An interest in working in a startup environment
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At least one year of work experience in the industry or on a project with multiple members
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A good understanding of web development fundamentals including JSON, REST, HTTP, client/ server, web servers, proxies, reverse proxies, etc
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A good understanding of Javascript. Alternatively, experience with other languages/ frameworks that would enable quick learning of Javascript will suffice
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Strong and professional communication skills
In this role, the individual will be part of the engineering team and will be responsible for
* Participating and collaborating with Product Owner/ Cross-functional teams in the organization to understand the business requirements and to deliver solutions that can scale.
* Design and Develop API in NodeJS using Express JS framework with relevant middleware integrations.
* Designing and implementing software that is simple, intuitive, and easy to use with Test first driven Approach.
* Proactively anticipating problems and keeping the team and management informed in a timely manner.
**Basic Requirements:**
* 1-2 years experience in designing and building secure large-scale systems.
* Deep experience in one or more relevant front-end frameworks such as React.
* Ability to rapidly prototype and adjust in response to customer feedback
* Strong problem solving and troubleshooting skills.
* Solid coding practices including peer code reviews, unit testing, and a preference for agile development.
* Expertise in NodeJS and JavaScript;
* Strong in Jasmine, Karma, Jest, Mocha, Cucumber JavaScript testing frameworks.
* Strong in REST, GraphQL API frameworks.
* Knowledge of securing REST APIs using OAuth, JWT, etc.
* Experience in designing and working with No SQL Databases such as Mongo etc.
* Experience in designing and working with SQL Databases such as MySQL, Postgres, etc.
* Experience in building solutions on top of any of cloud technologies like AWS, Google Cloud.
* Excellent written and verbal communication skills.
* Experience with building service side applications with object-oriented design and Multi-page MVC architecture.
* Actively practicing professional software engineering best practices for the full software development life-cycle, including coding standards, code reviews, source control management, build processes, testing, and operations.
- Building reusable code and libraries for future use
- Participating in all phases of the development and maintenance lifecycle, focusing on speed and efficiency
- Planning and implementing model data structures for scalability
- Working on the maintenance or enhancement of existing data structures
- Designing REST APIs which will be used by multiple clients
What you need to have:
- B.E./ B.Tech/ MCA
- Have experience of building large scale & complex systems with low latency and high availability.
- Have strong experience of working with design patterns & REST APIs.
- Have strong experience of working with Go routines.
- Knowledge of static code analysis tools.
- Must have strong experience with Build and Release management, Agile processes and Estimations.
- Strong understanding of implementing server-side code and designing the data architecture using modern web frameworks.
- Strong understanding of designing database schema.
- Should know about micro-services.
- Writing highly optimised code on server.
- Should be a fast learner and go-getter without any fear of failing.
- Willingness to learn new technologies.
- Experience with popular Golang frameworks like Revel.
- Know how of HTML / PHP.
Working in SAP PI Architect / AIF
Location -Bangalore (White field)
Regards
Ragu









