Senior Backend Developer

Job Description – AI Tech Lead

Location: Bangaluru

Experience: 10+ Years

Function: AI Center of Excellence (CoE)

Reporting To: Senior Vice President – CX / Head of AI CoE

We are seeking two highly experienced AI Tech Leads (AVP/DGM level) to drive the architecture, development, and delivery of large‑scale AI solutions spanning Predictive AI, GenAI, and Agentic AI across BPM, IT Services, Digital, Data Engineering, and Enterprise Transformation programs.

The role demands strong technical leadership, solution design capabilities, hands‑on execution ownership, and the ability to lead multi‑disciplinary teams to deliver scalable, production‑grade AI systems.

2. Key Responsibilities

A. Solution Architecture & Strategy

• Lead end‑to‑end solution architecture across Predictive AI, GenAI, Agentic AI, and enterprise data ecosystems.
• Partner with business and technology teams to define AI strategy, technical roadmaps, and implementation frameworks.
• Translate business goals into scalable AI architectures leveraging microservices, distributed systems, and modern AI toolchains.
• Own architectural decisions on model design, data pipelines, deployment frameworks, MLOps stack, and scaling strategies.

B. Project Delivery & Execution Leadership

• Drive the complete AI project lifecycle: Requirement Analysis → Architecture → Model Development → Engineering → Deployment → Monitoring.
• Lead AI engineering teams in developing production‑grade ML/GenAI/Agentic solutions with high reliability and performance.
• Establish and enforce engineering best practices, coding standards, DevOps/MLOps processes, and quality controls.
• Manage multiple concurrent AI initiatives with strong governance, risk mitigation, and stakeholder communication.

C. Technical Hands-on Expertise

• Architect and build complex AI systems involving:
• Large Language Models (LLMs) & GenAI apps
• Agentic workflows and autonomous task orchestration
• Predictive modeling, forecasting, optimization, and statistical modeling
• Knowledge graphs, vector databases, embeddings
• Data engineering pipelines (ETL/ELT) and cloud-native architectures
• Drive model evaluation, experimentation, benchmarking, A/B testing, and continuous improvements.

D. Team Leadership & Mentoring

• Lead and mentor a team of AI engineers, data scientists, MLOps engineers and developers.
• Build internal capabilities by establishing training, code reviews, reusable accelerators, and technical playbooks.
• Actively collaborate with product managers, data engineering teams, CX strategy teams, and domain SMEs.

E. Stakeholder & Client Management

• Act as a technology partner during client discussions, proposals, RFP responses, and solution demonstrations.
• Communicate complex AI concepts to CXOs, business leaders, and non-technical stakeholders seamlessly.
• Support pre-sales with solutioning, effort estimation, and technical presentations.

3. A. Technical Skills

• Strong proficiency in Python, cloud platforms (Azure/AWS/GCP), and AI frameworks (TensorFlow, PyTorch, LangChain, LlamaIndex).
• Hands-on experience building applications using:
• LLMs, RAG, fine‑tuning, prompt engineering
• Autonomous AI agents & multi-agent systems
• Predictive ML models (Regression, Classification, Clustering, NLP, CV)
• Expertise in microservices architecture, API design, scalable deployments.
• Strong command over SDLC, Agile methodologies, CI/CD, DevOps & MLOps.
• Experience with data engineering tools: Spark, Databricks, Airflow, Kafka, SQL/NoSQL, and modern data lakehouse platforms.

B. Functional & Domain Skills

• Experience working in BPM, Customer Experience, Digital Transformation, IT Services.
• Ability to map AI use cases to business value: workflow optimization, automation, customer experience, operations, and analytics.

C. Leadership & Soft Skills

• Strong team leadership and mentoring experience.
• Excellent communication, client-facing abilities, and stakeholder management skills.
• Strong decision-making, problem-solving, and delivery ownership.

4. Qualifications

• Bachelor’s / Master’s in Computer Science, Engineering, Data Science, or related fields.
• 10–15 years total experience with at least 5+ years leading AI/ML projects.
• Demonstrated success delivering large-scale AI programs in enterprise environments.
• Certifications in AI/ML, cloud, or architecture (preferred).

Strong Backend Engineer Profiles

Mandatory (Experience 1) – Must have 2+ years of hands-on Backend Engineering experience building production-grade systems in a B2B SaaS or product environment

Mandatory (Experience 2) – Must have strong backend development experience using at least one backend framework such as FastAPI / Django (Python), Spring (Java), or Express (Node.js)

Mandatory (Experience 3) – Must have a solid understanding of backend fundamentals, including API development, service-oriented architecture, data structures, algorithms, and clean coding practices

Mandatory (Experience 4) – Must have strong experience working with databases (SQL and/or NoSQL), including efficient data modeling and query optimization

Mandatory (Experience 5) – Must have experience designing, building, and maintaining APIs and backend services, including integrations with external systems (CRMs, payment gateways, ERPs, data platforms, etc.)

Mandatory (Experience 6) – Must have experience working in cloud-based environments (AWS / GCP / Azure) and be familiar with Git-based collaborative development workflows

Mandatory (Domain) – Experience with financial systems, billing platforms, fintech applications, or SaaS revenue-related workflows is highly preferred

Mandatory (Domain) – Experience with financial systems, billing platforms, or fintech applications is highly preferred (fintech background is a strong plus)

Mandatory (Company) – Must have worked in product companies / startups, preferably Series A to Series D

Preferred

Preferred (Education) – Candidates from Tier - 1 engineering institutes (IITs, BITS are highly preferred)

Requirements

• Bachelors/Masters in Computer Science or a related field
• 5-8 years of relevant experience
• Proven track record of Team Leading/Mentoring a team successfully.
• Experience with web technologies and microservices architecture both frontend and backend.
• Java, Spring framework, hibernate
• MySQL, Mongo, Solr, Redis, 
• Kubernetes, Docker
• Strong understanding of Object-Oriented Programming, Data Structures, and Algorithms.
• Excellent teamwork skills, flexibility, and ability to handle multiple tasks.
• Experience with API Design, ability to architect and implement an intuitive customer and third-party integration story
• Ability to think and analyze both breadth-wise (client, server, DB, control flow) and depth-wise (threads, sessions, space-time complexity) while designing and implementing services
• Exceptional design and architectural skills
• Experience of cloud providers/platforms like GCP and AWS

Roles & Responsibilities

• Develop new user-facing features.
• Work alongside the product to understand our requirements, and design, develop and iterate, think through the complex architecture.
• Writing clean, reusable, high-quality, high-performance, maintainable code.
• Encourage innovation and efficiency improvements to ensure processes are productive.
• Ensure the training and mentoring of the team members.
• Ensure the technical feasibility of UI/UX designs and optimize applications for maximum speed.
• Research and apply new technologies, techniques, and best practices.
• Team mentorship and leadership.

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

Designation: Magento Developer / Sr. Magento Developer

Experience: 3+yrs

Location: Anywhere in India ( WFH for now for next 8-10months)

No. of Positions: 2

Notice Period: Immediate / Less than 30days (Do not share which is above this notice period)

Job Description:

Magento Developers with 3+ years of experience

1) Should have hands-on experience in Magento module/extension development

2) Should be able to quickly understand existing custom modules in Magento and customize and manage it further.

3) Hands-on experience in developing and consuming API/REST calls both inbound and outbound within Magento

4) Should know how to develop WebService/API/REST calls as per Magento architecture, coding standard

5) Troubleshooting integration issues from API/REST calls.

6) Excellent knowledge of PHP, JavaScript, HTML5, and CSS.

7) Good working experience on MySQL, developing complex SQL queries, design tables/database for complex business models

8) Knowledge of MVC, OOPs, Design Patterns – especially the design patterns used in Magento

9) Knowledge of Magento theming / UI components is preferred.

10) Hands-on experience with Magento 2 Porto Theming

11) Knowledge of deployment process in Cloud, especially for Magento

12) Should be competent and confident to speak up in team meetings, discussions, war rooms

13) Good command of English language

14) Should be able to work under minimal supervision

15) Should be able to coordinate with other teams and collectively solve issues.

16) Should be able to work independently as well as team

17) Candidate should have prior work experience in Magento Enterprise.

Client: MNC (WFO)

Role: DOT NET DEVELOPER

Exp: 4 years to 6 years

CTC : UPTO 30 lpa.

NOTE:Serving notice period (30days/immediate joiner.

Candidates from Bangalore location only apply.

• Hands-on working knowledge and experience is required in:

• Extensive experience working on C#, .net and .net core frameworks
• Relational Databases (SQL Server, Oracle, PostgreSQL, etc.)
• NoSQL Databases (Mongo, Cloud Spanner, etc.)
• Agile Methodologies (Scrum, TDD, BDD, etc.)
• Experience working with distributed teams across regions and time zones
• Strong organizational skills
• Display detailed, critical, quality-oriented, skeptical thinking about the product

• Experience with several of the following tools/technologies is desirable:

• GIT, Jira, Jenkins, SharePoint, Visual Studio Code.
• Microservices Architecture, Domain Driver Design, Test Driven Development is a bonus
• Design Patterns and implementing the Design Patterns
• Development of Complex Application and System Architectures
• Data Structures and Algorithms using Typescript, C# and .NET
• Experience working in Google Cloud will be a big bonus as all our systems are in the Cloud
• Knowledge of REST and gRPC API’s is a bonus

• Knowledge of the following technologies is a plus:

• Continuous Integration and Continuous Delivery Tools like GitHub, Git, etc.
• Containerization Technologies (Docker)

1. Writing reusable, testable, and efficient
2. Design and implementation of low-latency, high-availability, and performant
3. Integration of user-facing elements developed by front-end developers with server side
4. Implementation of security and data
5. Integration of data storage solutions may include databases, key-value stores, blob stores, etc. Experience administering innovation with methodologies such as design
6. Experience working on Agile Scrum and DevOps aligned delivery
7. Interest and ability to learn other coding languages as
8. Strong communication skills and great product
9. Proficient communication skills verbal and
10. Understanding of accessibility and security compliance depending on the specific
11. Knowledge of user authentication and authorization between multiple systems, servers, and environments.
12. Understanding of fundamental design principles behind a scalable
13. Familiarity with event-driven programming in
14. Understanding of the differences between multiple delivery platforms, such as mobile vs desktop, and optimizing output to match the specific
15. Able to create database schemas that represent and support business
16. Strong unit test and debugging

1. Expert in Python, with knowledge of at least one Python web framework such as Django, Flask, etc depending on your technology
2. Familiarity with some ORM (Object Relational Mapper)
3. Able to integrate multiple data sources and databases into one
4. Understanding of the threading limitations of Python, and multi-process
5. Good understanding of server-side templating languages such as Jinja 2, Mako, etc depending on your technology
6. Basic understanding of front-end technologies, such as JavaScript, HTML5, and
7. Proficient understanding of code versioning tools such as Git, Mercurial or

Job Description:

• Must have experience of 1 – 6 years.
• Experience in Java/J2EE platform.
• Experience in web application development with JSP, Servlet, Spring Boot, Hibernate
• Knowledge of MySQL database.
• Developed REST and SOAP web services..
• Experience in version control system and build tool
• Must have completed BE/MCA/M.Sc/MTech.