Senior Scala Engineer

About the Role:

We are seeking a skilled and driven Backend Developer with expertise in Python (Django/FastAPI) and Node.js (TypeScript) to join our team. The ideal candidate will have experience in database design (RDBMS and NoSQL), REST API and GraphQL development, cloud services, and AI-driven applications. You will be responsible for designing and implementing scalable backend solutions, ensuring high performance, security, and reliability.

If you’re passionate about backend development, Generative AI, and data engineering, this is the role for you!

Key Responsibilities:

Backend Development:

• Develop and maintain robust, scalable backend services using Node.js (TypeScript) and Python (Django/FastAPI).
• Build APIs with REST and GraphQL, ensuring high security and performance.
• Implement authentication mechanisms such as OAuth2.0, SAML, JWT, MFA, and passkeys (optional).
• Research and integrate Generative AI (Gen AI) models and OpenAI APIs into backend systems.

Database & Data Engineering:

• Design and optimize schemas for both relational (PostgreSQL, YSQL) and NoSQL (DynamoDB, MongoDB) databases.
• Work with Redshift, BigQuery, and Snowflake to manage large-scale data processing.
• Develop ETL pipelines for data ingestion and transformation.
• Utilize Apache Airflow for workflow automation.

Cloud Services & Serverless Architecture:

• Work extensively with AWS Cloud services, and optionally Azure and GCP.
• Design and implement serverless architectures and event-driven systems using frameworks like AWS Lambda or equivalent on Azure/GCP.
• Configure and manage webhooks for event notifications and integrations.
• Integrate Apache Pulsar for real-time event streaming and messaging.

Programming & AI Integration:

• Apply design patterns, SOLID principles, and functional programming practices.
• Develop Python-based AI/ML solutions, leveraging Django/FastAPI for backend services.
• Manage AI/ML environments using Conda.

DevOps & Deployment:

• Utilize Docker and Kubernetes (K8s) for containerization and orchestration.
• Collaborate with DevOps teams for CI/CD pipelines and scalable deployments.

Tools & Utilities:

• Use Postman, Swagger, and cURL for API testing and documentation.
• Demonstrate strong knowledge of Unix commands for troubleshooting and development.
• Work with Git for versioning and code management.

Key Skills & Qualifications:

Must-Have:

✔ Proficiency in Python (Django/FastAPI) and Node.js (TypeScript).

✔ Experience with NestJS framework.

✔ Expertise in RDBMS and NoSQL database design and optimization.

✔ Hands-on experience with REST API and GraphQL development.

✔ Familiarity with authentication protocols such as OAuth2.0, SAML, JWT, and MFA.

✔ Strong understanding of AWS Cloud Services and Serverless Architecture.

✔ Experience with Gen AI, OpenAI APIs, and AI model integration.

✔ Hands-on knowledge of Python and Conda environments.

✔ Expertise in Redshift, BigQuery, Snowflake, and Apache Airflow for Data Engineering.

✔ Exposure to Apache Pulsar for event streaming.

Nice-to-Have:

➕ Exposure to Azure and GCP serverless frameworks.

➕ Knowledge of webhooks for event handling.

➕ Experience with passkeys as an authentication option.

Soft Skills:

✅ Problem-solving mindset with a passion for tackling complex challenges.

✅ Ability to learn and adapt to new tools, frameworks, and programming languages.

✅ Collaborative attitude and strong communication skills.

What We Offer:

💰 Competitive compensation and benefits package.

🚀 Opportunity to work with cutting-edge technologies in a fast-paced environment.

📚 A culture of learning, growth, and collaboration.

🌍 Exposure to large-scale systems, AI/ML integrations, and exciting technical challenges.

• 2.5+ year of experience in Development in JAVA technology.
• Strong Java Basics
• SpringBoot or Spring MVC
• Experience in AWS.
• Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka)
• Microservices
• Any Caching Mechanism
• Good at problem solving

Good to Have Skills:

• 2+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem solving skills.
• Ability to work in a fast paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding of AI/ML algorithms is a plus.

Job Description:

We are seeking a skilled and experienced PHP Developer with a minimum of 5 years of professional experience to join our dynamic team. As a Senior PHP Developer, you will play a key role in designing, developing, and maintaining high-quality web applications while collaborating with cross-functional teams.

Job Responsibilities:

• Conducting analysis of website and application requirements.
• Writing back-end code and building efficient PHP modules.
• Developing back-end portals with an optimized database.
• Integrating data storage solutions.
• Responding to integration requests from front-end developers.
• Finalizing back-end features and testing web applications.
• Updating and altering application features to enhance performance.
• Troubleshoot and fix any issues relating to PHP programs.
• Ensure smooth operations of web processes and infrastructure.
• Create scripts to facilitate client systems to meet performance and objectives.
• Test and develop software for client applications.
• Create documentation for software created.
• Utilize source debuggers and write or modify client software.
• Produce results effectively and within the deadlines set.

Required Skills:

• Knowledge of PHP web frameworks including Yii, Laravel, and CodeIgniter.
• Knowledge of front-end technologies including CSS3, JavaScript, and HTML5.
• Understanding of object-oriented PHP programming.
• Familiarity with SQL/NoSQL databases.
• Good problem-solving skills.
• Strong analytical and problem-solving skills
• Creative ability to produce effective solutions to client problems

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:

1. At least 3 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
2. Excellent hands-on experience using MySQL or any other SQL Database.
3. Good knowledge of MongoDB or any other NoSQL Database.
4. Good knowledge of Redis, its data types, and their use cases.
5. Experience with graph-based databases like GraphQL and Neo4j.
6. Experience developing and deploying REST APIs.
7. Good knowledge of Unit Testing and available Test Frameworks.
8. Good understanding of advanced JS libraries and frameworks.
9. Experience with Web sockets, Service Workers, and Web Push Notifications.
10. Familiar with NodeJS profiling tools.
11. Proficient understanding of code versioning tools such as Git.
12. Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
13. Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
14. Experience building a large scale social or location-based app.

About us:

HappyFox is a software-as-a-service (SaaS) support platform. We offer an enterprise-grade help desk ticketing system and intuitively designed live chat software.

We serve over 12,000 companies in 70+ countries. HappyFox is used by companies that span across education, media, e-commerce, retail, information technology, manufacturing, non-profit, government and many other verticals that have an internal or external support function.

To know more, Visit! https://www.happyfox.com/

We’re looking for a Senior Backend Engineer to join our engineering team to help build and maintain our growing list of products. You should have prior experience being responsible for building sufficiently complex features by yourself.

Responsibilities: 

• Implement product features by writing clean, robust, reusable code with tests
• Conduct peer reviews to keep the codebase a great environment to work on
• Collaborate with Product Managers, Designers and Engineers to deliver high-quality features
• Bring new ideas and best practices to improve the team and the codebase

Requirements:

• 5+ years of professional work experience
• Proficiency in backend programming languages like Python
• Experience working with web application frameworks like Django
• Experience in building web services using relational databases like PostgreSQL or NoSQL databases like MongoDB
• Proficiency in writing highly performant and scalable code
• Experience in building REST APIs and a good understanding of best practices around building APIs
• Good communication skills with an ability to articulate your views
• Excellent analytical and problem-solving skills

Your responsibilities as an Engineer: 

•     Determines operational feasibility by evaluating analysis, problem definition, requirements, solution development, and proposed solutions.

•     Documents and demonstrates solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments and clear code.

•     Prepares and installs solutions by determining and designing system specifications, standards, and programming.

•     Improves operations by conducting systems analysis; recommending changes in policies and procedures.

•     Obtains and licenses software by obtaining required information from vendors; recommending purchases; testing and approving products.

•     Updates job knowledge by studying state-of-the-art development tools, programming techniques, and computing equipment

•     Participate in educational opportunities & read professional publications;

•     Protects operations by keeping information confidential.

•     Provides information by collecting, analyzing, and summarizing development and service issues.

•     Accomplishes engineering and organization mission by completing related results as needed.

•     Develops software solutions by studying information needs; conferring with users; studying systems flow, data usage, and work processes; investigating problem areas; following the software development lifecycle.

Skill sets we require:

•     Proven work experience as a Software Engineer or Software Developer

•     Experience designing interactive applications

•     Ability to develop software in or other programming languages like JIRA or Postman

•     Excellent knowledge of relational databases, MYSQL and Restful API

•     Experience developing web applications using at least one popular web framework (Laravlel, Codeigniter and Magento)

•     Experience with test-driven development

•     Proficiency in software engineering tools

•     Ability to document requirements and specifications

Educational Qualification: 

•     Bachelor’s/Master’s degree in Computer Science Engineering or equivalent 

Role: Senior Software Engineer – Backend                                            Location: Bangalore / Gurgaon / Pune

About the Role

The successful backend engineer will work closely and collaboratively with cross functional teams during all phases of the software development lifecycle.

The incumbent should be competent to provide quick solutions to problems and taking a product or a product’s component through the entire life cycle, optimize the space / time complexity and improve on usability and reliability.

What you’ll be doing:

• Bachelor's degree in Computer Science or related field from top notch colleges 
• 4 + years of software development engineering.
• Understanding of fundamental design principles (including MVC).
• Good hands on in AWS scalable environment.
• Experience with different RDBMS and No SQL databases like MySQL, mongo, etc.
• Experience in designing scalable micro-services required.
• Strong knowledge of CS fundamentals including data structures, algorithm design and complexity analysis.
• Proficiency in one language that emphasizes class abstractions (for e.g. Java) and have coded in it for at least 4 years.
• Excellent communication, analytical and problem solving skills.
• Strong organizational skills and the ability to prioritize and work with clients with great efficiency.
• Excellent written and oral communication and presentation skills and the ability to express thoughts logically and succinctly.
• Open minded, Team builder, Good communicator and ability to lead and inspire teams.
• Demonstrated ability to achieve stretch goals in a highly innovative and fast paced environment.
• Experience in dealing with ambiguous/undefined problems; ability to think abstractly

What are we looking for?

• 4 to 10 years of hands on design / development experience. 
• Tech / M.Tech Computer Science or equivalent field from a premier institutes. 
• Proficient in Java OR C/C++, data structures, algorithms and OO design / design patterns. 
• Strong understanding of Computer Science fundamentals. 
• Technical depth in OS, computer architecture and OS internals. 
• Ability to write scalable and maintainable code. 
• Self-starter and goal-oriented with strong analytical and problem-solving skills. 
• Must be able to work cooperatively within a strong diverse technical community to expedite development tasks.
• Experience in Machine Learning is a plus

 
What we offer

• Competitive salary and excellent benefits, in a diverse working environment with inspiring and hardworking colleagues
• A positive, get-things-done workplace.
• An inclusive environment that ensures we listen to a diverse range of voices when making decisions.
• Ability to learn cutting edge concepts and innovation in an agile start-up environment with a global scale.
• A flexible working environment where you can drive your outcomes.

About us

At PayU, we are a global fintech investor and our vision is to build a world without financial borders where everyone can prosper. We give people in high growth markets the financial services and products they need to thrive. Our expertise in 18+ high-growth markets enables us to extend the reach of financial services. This drives everything we do, from investing in technology entrepreneurs to offering credit to underserved individuals, to helping merchants buy, sell, and operate online. Being part of Prosus, one of the largest technology investors in the world, gives us the presence and expertise to make a real impact. Find out more at www.payu.com

Our Commitment to Building A Diverse and Inclusive Workforce

As a global and multi-cultural organization with varied ethnicities thriving across locations, we realize that our responsibility towards fulfilling the D&I commitment is huge. Therefore, we continuously strive to create a diverse, inclusive, and safe environment, for all our people, communities, and customers. Our leaders are committed to create an inclusive work culture which enables transparency, flexibility, and unbiased attention to every PayUneer so they can succeed, irrespective of gender, color, or personal faith. An environment where every person feels they belong, that they are listened to, and where they are empowered to speak up. At PayU we have zero tolerance towards any form of prejudice whether a specific race, ethnicity, or of persons with disabilities, or the LGBTQ communities.