
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 Lead Backend Engineer with 5+ years of experience in building web services to join our engineering team to help architect, build and run our growing list of products. You should have prior experience being responsible for building sufficiently complex products/services and mentoring software engineers.
Responsibilities:
- Lead a team of engineers working on our product roadmap. You are expected to contribute to feature development with hands-on development tasks
- Oversee software architecture, source control workflows, and CI/CD processes and perform code reviews to ensure exceptional code quality
- Improve the development experience and the quality of the codebase. You will define and uphold best practices and coding standards for the team
- Responsible for architecture and design decisions
- Own stability and performance of the service that you work on
- Work with the Engineering Manager to ship stable software on time
- Contribute to the vision and long-term strategy in your area of expertise
Requirements:
- 2+ years of experience in a technical lead role designing and building complex backend systems
- 5+ years of professional software development experience
- Excellent knowledge of best practices and coding patterns
- Deep knowledge of backend programming languages like Python and web application frameworks like Django
- Solid experience in building web services using relational databases like PostgreSQL or NoSQL databases like MongoDB
- Proficiency with Amazon Web Services (AWS) or Google Cloud Platform or Azure
- Extensive experience with Linux/UNIX production environments
- Strong sense of quality in terms of both program architecture and code style
- Passion to dig into technically complex problems to troubleshoot and figure out a solution
- Desire to continuously improve and ship the best quality product
- Pragmatic approach to make sure technical decisions align with actual business needs.
- Good understanding of the trade-offs when building for product value, reliability, or performance
- Excellent communication skills with the ability to discuss and explain your point of view clearly and effectively
- An engineering degree is a must(B.E. CS preferred)

About HappyFox
About
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/
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About Tamasha
Tamasha is building next-generation live, social, and real-time consumer
experiences across gaming, audio, video, and interactive platforms. Our backend
systems power millions of real-time interactions, low-latency data flows, and high
throughput event-driven services.
Role Overview
As a Software Development Engineer III (Backend), you will operate as a senior
individual contributor owning mission-critical backend systems. You will design
scalable architectures, solve complex distributed systems problems, and influence
engineering standards across teams.
Roles & Responsibilities
Own backend systems end-to-end, from design and implementation to
production reliability and long-term evolution.
Design scalable, fault-tolerant, and low-latency backend architectures for real
time and event-driven use cases.
Lead system design decisions including data models, service boundaries, async
workflows, and scalability strategies.
Build and operate high-throughput services handling millions of events, requests,
or messages per day.
Own reliability metrics such as p95/p99 latency, uptime, error budgets, and
participate in incident resolution and post-mortems.
Drive architectural migrations including monolith to microservices and
synchronous to asynchronous flows.
Collaborate with product, frontend, and data teams to translate complex
requirements into robust backend solutions.
Improve developer productivity by contributing to internal platforms, tooling,
CI/CD pipelines, and coding standards.
Mentor engineers through design reviews, code reviews, and technical guidance
without direct people management.
Proactively identify performance bottlenecks, cost inefficiencies, and scalability
risks and resolve them at the system level.
Tech Stack
Backend: Node.js (NestJS / Express), Golang, Java
Databases: PostgreSQL, MySQL, MongoDB, Redis
Messaging & Async: Kafka, SQS, RabbitMQ, Pub/Sub
Real-time: WebSockets, Server-Sent Events
Cloud & Infra: AWS / GCP, Docker, Kubernetes
Observability: Prometheus, Grafana, OpenTelemetry
What We’re Looking For
• 5+ years of backend engineering experience
• Proven ownership of production systems at scale
• Strong understanding of distributed systems and async architectures
• Experience handling production incidents and system reliability
• Ability to independently design and evolve backend systems
Looking for Immediate joiners Bangalore location(3-9years)
Key responsibilities:
- Understand all requirements, Design, Develop and implement features, complying with engineering and regulatory standards and procedures for charging stations.
- Create multiple concepts, evaluate, and implement the optimal one.
- Develop and maintain product’s design integrity with good knowledge of software system architecture and design.
- Apply problem-solving techniques and guide team towards arriving at solutions.
- Work with cross functional team from Concept prototyping to Launch & thereafter.
- Guide team towards creation and handling of all design and development related processes and documents like, defining requirements, high level design, low level design, DFMEA, DF’X’, Interface sign off, RCA, etc.
Key requirements
- A Bachelor/ master’s degree in E&E/ECE engineering from premier institute
- 5 years+ product development experience on Linux based systems, with full lifecycle experience for atleast 2 industry deployed products.
- Software Design and Architecture experience on Linux platforms
- Interfacing with SaaS via network or REST APIs
- Knowledge of CAN, RS485/Modbus protocols, Kafka, Distributed Messaging
- C++ with STL, Linux system programming, scripting, network/sockets programming, strong in UDP/TCP networking, libcurl + HTTP(s)
- Knowledge of Bluetooth/BLE, Elastic Search + Logstash, Java performance tuning
- Knowledge of security-based Threat Modelling Design & Mitigation, TLS/SSL, Docker + Docker networking, Python + node.js + WebSocket’s, HTML5, JavaScript.
- Excellent communication, leadership, and problem-solving skills
- Ability to work in a fast-paced and dynamic environment.
Job Title: Mac OS Storage Driver Developer – SCSI
Location: Bangalore
Position Type: Full-time Contract
Shift: Day
Experience: 5 to 8yrs
Key Responsibilities:
• Develop and maintain macOS storage drivers with a focus on SCSI protocols using the DriverKit framework.
• Collaborate with hardware engineers to understand SCSI device specifications and design drivers that seamlessly interface with macOS.
• Implement storage driver functionalities including command handling, data transfer, error recovery, and performance optimizations.
• Debug and troubleshoot driver issues leveraging macOS debugging tools like LLDB and Instruments.
• Ensure driver compliance with Apple’s security, sandboxing, and code signing requirements.
• Develop and maintain test plans, documentation, and quality assurance procedures for storage drivers.
• Participate in code reviews and maintain high code quality and best practices.
• Provide technical support during driver integration, deployment, and production troubleshooting.
Job Requirements:
• A Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, or a related discipline.
• Proven expertise in developing macOS storage drivers, specifically SCSI-based drivers using the DriverKit framework.
• Strong proficiency in C/C++ programming; knowledge of Swift or Objective-C is a plus.
• Deep understanding of DriverKit APIs, macOS user-space driver architecture, and IO Kit storage concepts.
• Solid knowledge of SCSI protocols, commands, and storage architecture including RAID.
• Experience with debugging and profiling tools on macOS (LLDB, Instruments, system logs).
• Familiarity with macOS security model, driver sandboxing, and code signing procedures.
• Knowledge of hardware interfaces (PCI, Thunderbolt, USB) relevant to storage devices.
• Excellent problem-solving ability and eLective communication skills.
• Ability to work independently and collaboratively in an Agile environment.
Preferred Qualifications:
• Experience with Agile methodologies and SCRUM frameworks.
• Cross-platform storage driver development experience.
• Knowledge of user-space driver and daemon interaction models.
• Familiarity with continuous integration systems and automated testing strategies.
Required Skills
- 4-6 years of professional experience building server applications with Node.js and the Spring framework.
- Experience working with the AWS Development stack, including: Lambda, API Gateway, DynamoDB, Cognito, Mobile Analytics, EC2 and RDS
Experience working with a handful of the following:
- relational databases: MySQL, or PostgreSQL or Oracle
- document-based data stores: MongoDB or CouchDB,
- key-value stores: DynamoDB, Redis, Memcached
- column-stores: Cassandra, Vertica
- Ability to work with front-end web technologies, like: HTML5/CSS3/Angular/Bootstrap
- Strong familiarity with *nix command line operations
Overall 2+ years of experience in IT industry
Mid level experience in NodeJS and ExpressJS
Design and Develop JavaScript application
Mid level experience in JavaScript frontend usage
Experience in HTML and CSS
Experience in GIT, JIRA is necessary
Experience in usage of postman
Good communication skills are necessary as we interact with client daily
Experience in Unit testing for NodeJS using Jest Framework will be useful
Our Client is B2B SaaS Product Co. in the space of HR Technology. They are helping organisations to take informed decisions in the areas like Hiring, Training and Career Succession processes. The company was formed in 2010 and since has become a market leader in HR technology space. The founders are alumni of Stanford University and their employees have experience in working with PWC, McKinsey and other similar leagues of organisations.With a bright vision of the founders, the organisation is in an expansion mode to capture niche markets and become a global leader in this domain.
- Experience in Back-End development using Ruby on Rails or NodeJS
- Experience in working on at least two of MongoDB / Postgres / MySQL & Redis
- Experience on MVC patterns using frameworks like Rails, ExpressJS
- Strong understanding of RESTful APIs and HTTP protocol
- Understanding Security aspects of the applications and can successfully implement OWASP compliant systems
- Strong understanding of Linux OS, File Systems, Firewalls etc
- 3 years Experience in Ruby on Rails
- Minimum 3 years in MongoDB / PostgreSQL
- Must be from Product based companies
Following are the things that we are looking for in our NodeJS developer:
- Full SDLC knowledge, preferably in an agile environment.
- Strong written and verbal communication skills. Strong critical thinking & problem solving skills.
- Understanding of Unix / Linux based systems.
- Hands-on exposure to deeply linked relational databases – preferably in MySQL
- Ability to take a feature or product through the full Software Development Life Cycle.
- Strong communication skills, including the ability to both collaborate well and also the ability to convey technical ideas and concepts to non-technical stakeholders.
- Identify the interaction needs and how the API. must be developed based on design comps, product specs, etc.
- Continuously evaluate and implement new technologies to maximize development efficiency.
- Address and prioritize production level bugs and application performance improvements.
- An adaptable attitude and understanding of the agile methodology.
- Unit-test code for robustness, including edge cases, usability, and general reliability.
- Collaborate with cross-functional teams to define, design, and release new features.
We are looking for a Ruby on Rails 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
- Design, build and maintain efficient, reusable, and reliable Ruby code
- Integration of data storage solutions
- Integration of user-facing elements developed by front-end developers with server-side logic
- Identify bottlenecks and bugs, and devise solutions to these problems
- Help maintain code quality, organization, and automatization
Skills
- Experience with Ruby on Rails, along with other common libraries such as RSpec and Resque
- Good understanding of the syntax of Ruby and its nuances
- Solid understanding of object-oriented programming
- Good understanding of server-side templating languages
- Good understanding of server-side CSS preprocessors
- Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
- Familiarity with concepts of MVC, Mocking, ORM, and RESTful
- A knack for writing clean, readable Ruby code
- Ability to integrate multiple data sources and databases into one system
- Understanding of fundamental design principles behind a scalable application
- Able to create database schemas that represent and support business processes
- Able to implement automated testing platforms and unit tests
- Proficient understanding of code versioning tools
- Familiarity with development aiding tool familiarity with continuous integration
We are looking for a full-time remote Senior Backend Developer who has worked with big data and stream processing, to solve big technical challenges at scale that will reshape the healthcare industry for generations. You will get the opportunity to be involved in the big data engineering, novel machine learning pipelines and highly scalable backend development. The successful candidates will be working in a team of highly skilled and experienced developers, data scientists and CTO.
Job Requirements
1) Writing well tested, readable code using Python that is capable of processing large volumes of data
2) Experience with cloud platforms such as GCP, Azure or AWS are essential
3) The ability to work to project deadlines efficiently and with minimum guidance
4) A positive attitude and love working within a global distributed team
Skills
1) Highly proficient working with Python
2)Comfort working with large data sets and high velocity data streams
3) Experienced with microservices and backend services
4) Good relational and NoSQL database working knowledge
5) An interest in healthcare and medical sectors
6) Technical degree with minimum of 2 plus years- backend data heavy development or data engineering experience in Python
7) Desirable ETL/ELT
8) Desirable Apache Spark and big data pipelines, and stream data processing (e.g. Kafka, Flink, Kinesis, Event Hub)
















