Big Happy logo

Backend Developer

Big Happy

Hybrid
Chandigarh, India
Full-time
Mid Level
2+ yrs
Salary not listedPosted 4w ago

Real job — pulled straight from Big Happy’s careers page · Verified July 14, 2026 · No reposts.

Job description

Big Happy is hiring a Backend Developer — a full-time, based in Chandigarh, India role. Apply directly on Big Happy's careers page below.

Back End Developer

Department: Tech Dev

Employment Type: Full Time

Location: Panchkula, Sector 11, India

We are looking for a talented and motivated Back-end Developer to join our team. As a Back-end Developer, you will play a key role in building and maintaining high-performance, scalable, and distributed systems. You will be responsible for creating efficient, reliable, and scalable backend services that power our applications and provide excellent user experiences.

The ideal candidate should have hands-on experience with modern back-end technologies, strong problem-solving skills, and a deep understanding of distributed data systems, performance optimization, and concurrency. If you're passionate about solving complex technical challenges and optimizing back-end systems, we'd love to hear from you!

NOTE: 
  • Preferred experience range: 2-5 Years
  • Candidates must be open to work within USA time zones EST/EDT and PST/PDT hours.

Key Responsibilities

Responsibilities:
  • Design, implement, and maintain back-end services using Golang or Node.js.
  • Build, manage, and scale systems on AWS infrastructure.
  • Develop and maintain complex SQL databases, ensuring optimal query performance and database design.
  • Work closely with front-end developers and other team members to deliver seamless and scalable solutions.
  • Write and maintain efficient, well documented, and reusable code.
  • Contribute to CI/CD pipelines for automated testing and deployment processes.
  • Resolve race conditions, concurrency issues, and improve overall system performance through efficient solutions.
  • Profile and optimize code for performance, scalability, and low-latency operations.
  • Leverage your deep understanding of advanced data structures and algorithms to tackle complex problems.
  • Continuously improve the backend infrastructure by identifying bottlenecks and optimizing system reliability.

Skills, Knowledge and Expertise

Requirements:
  • Proven experience in Back-end development, specifically with Golang or Node.js.
  • Strong hands-on experience with AWS (e.g., EC2, S3, RDS, etc.).
  • Proficiency in writing and optimizing SQL queries and working with relational databases.
  • Solid experience with the Linux operating system, including scripting and system administration.
  • Expertise in CI/CD workflows, including tools like Jenkins, GitLab CI, or CircleCI.
  • Deep understanding of concurrency, with a proven ability to identify and resolve race conditions using effective synchronization techniques.
  • Experience in profiling and tuning code to ensure optimal system performance and efficiency.
  • Strong foundation in data structures and algorithms, with the ability to implement complex algorithms to solve performance-sensitive tasks.
  • Ability to troubleshoot complex issues and provide innovative solutions in a fast-paced, collaborative environment.

Preferred Skills (Bonus):
  • Familiarity with GO, C++ and OOPs based design.
  • Familiarity with Postgres databases.
  • Experience in developing high-performance systems in multi-cloud environments.
  • Knowledge of writing tests in Golang, including unit and integration testing using tools like the native testing package, Testify, and Gomock.
  • Knowledge of AI models and LLMs, including API integration with tools like OpenAI or Anthropic for building AI-powered backend features and services.
  • Knowledge of database scaling strategies, including read replicas, sharding, partitioning, load balancing, caching mechanisms, and high-availability configurations for handling large-scale data.

Benefits

Flexible Work & Time-Off Culture: At BIG Happy Inc. we believe that great work comes from a well balanced life. Our flexible time-off policy and work-from-home options empower employees to manage their schedules effectively, recharge when needed, and maintain a healthy work-life balance without compromising productivity.

Comprehensive Health & Family Support: We prioritize the well-being of our team and their families. Our plans provide parental support policies, including maternity benefits, ensure that employees feel supported during important life stages.

Performance-Driven Rewards & Growth: We recognize and reward impact. Through performance bonuses and incentive programs, employees are acknowledged for their contributions and achievements, fostering a motivating environment that supports both personal and professional growth.

Relocation & Seamless Transition Support: Joining us from a different location? We’ve got you covered. Our relocation support and reimbursement policies are designed to make your transition smooth and stress-free, allowing you to focus on settling into your role and new environment.

Inclusive Culture & Collaborative Environment: Our workplace thrives on collaboration, inclusivity, and engagement. From cross-functional 1:1s to team building activities like movie outings, events, and office get-togethers, we ensure every team member feels connected, valued, and empowered to contribute meaningfully.

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Frequently asked questions

What skills are required for Backend Developer at Big Happy?

The required skills for Backend Developer at Big Happy include: Go, Node.js, AWS, SQL, CI/CD, Linux, Jenkins, GitLab CI, CircleCI, PostgreSQL, OpenAI.

What is the seniority level for Backend Developer at Big Happy?

Backend Developer at Big Happy is a Mid Level level position.

How do I apply for Backend Developer at Big Happy?

You can view the full description and apply for Backend Developer at Big Happy on EchoJobs: https://echojobs.io/job/big-happy-back-end-developer-tech-dev-flmlz.