Tech Lead (JAVA/Spring Core/Hibernate) WFH

We’re hiring a remote, contract-based Backend & Infrastructure Engineer who can build and run production systems end-to-end.

You will build and scale high-throughput backend services in Golang and Python, operate ClickHouse-powered analytics at scale, manage Linux servers for maximum uptime, scalability, and reliability, and drive cost efficiency as a core engineering discipline across the entire stack.

What You Will Do:

Backend Development (Golang & Python)

• Design and maintain high-throughput RESTful/gRPC APIs — primarily Golang, Python for tooling and supporting services
• Architect for horizontal scalability, fault tolerance, and low-latency at scale
• Implement caching (Redis/Memcached), rate limiting, efficient serialization, and CI/CD pipelines

Scalable Architecture & System Design

• Design and evolve distributed, resilient backend architecture that scales without proportional cost increase
• Make deliberate trade-offs (CAP, cost vs. performance) and design multi-region HA with automated failover

ClickHouse & Analytical Data Infrastructure

• Deploy, tune, and operate ClickHouse clusters for real-time analytics and high-cardinality OLAP workloads
• Design optimal table engines, partition strategies, materialized views, and query patterns
• Manage cluster scaling, replication, schema migrations, and upstream/downstream integrations

Cost Efficiency & Cost Optimization

• Own cost optimization end-to-end: right-sizing, reserved/spot capacity, storage tiering, query optimization, compression, batching
• Build cost dashboards, budgets, and alerts; drive a culture of cost-aware engineering

Linux Server Management & Infrastructure

• Administer and harden Linux servers (Ubuntu, Debian, CentOS/RHEL) — patching, security, SSH, firewalls
• Manage VPS/bare-metal provisioning, capacity planning, and containerized workloads (Docker, Kubernetes/Nomad)
• Implement Infrastructure-as-Code (Terraform/Pulumi); optionally manage AWS/GCP as needed

Data, Storage & Scheduling

• Optimize SQL schemas and queries (PostgreSQL, MySQL); manage data archival, cold storage, and lifecycle policies
• Build and maintain cron jobs, scheduled tasks, and batch processing systems

Uptime, Reliability & Observability

• Own system uptime: zero-downtime deployments, health checks, self-healing infra, SLOs/SLIs
• Build observability stacks (Prometheus, Grafana, Datadog, OpenTelemetry); structured logging, distributed tracing, alerting
• Drive incident response, root cause analysis, and post-mortems

Required Qualifications:

Must-Have (Critical)

• Deep proficiency in Golang (primary) and Python
• Proven ability to design and build scalable, distributed architectures
• Production experience deploying and operating ClickHouse at scale
• Track record of driving measurable cost efficiency and cost optimization
• 5+ years in backend engineering and infrastructure roles

Also Required

• Strong Linux server administration (Ubuntu, Debian, CentOS/RHEL) — comfortable living in the terminal
• Proven uptime and reliability track record across production infrastructure
• Strong SQL (PostgreSQL, MySQL); experience with high-throughput APIs (10K+ RPS)
• VPS/bare-metal provisioning, Docker, Kubernetes/Nomad, IaC (Terraform/Pulumi)
• Observability tooling (Prometheus, Grafana, Datadog, OpenTelemetry)
• Cron jobs, batch processing, data archival, cold storage management
• Networking fundamentals (DNS, TCP/IP, load balancing, TLS)

Nice to Have

• AWS, GCP, or other major cloud provider experience
• Message queues / event streaming (Kafka, RabbitMQ, SQS/SNS)
• Data pipelines (Airflow, dbt); FinOps practices
• Open-source contributions; compliance background (SOC 2, HIPAA, GDPR)

What We Offer

• Remote, contractual role
• Flexible time zones (overlap for standups + incident coverage)
• Competitive contract compensation + equity
• Long-term engagement opportunity based on performance

• Strong experience in Java programming.
• Must have experience on MicroServices using Spring boots /Jersy /Swagger / any other Microservices technology stack
• Good experience in either Spring or Hibernate
• Must have at least 1to 2 years’ experience in Web application
• Knowledge of OOP concepts, industry best practices, and design
• Good understanding of web technology/enterprise-level applications
• Good to have experience in JavaScript frameworks
• Good to have experience in Agile Methodology

• Self-motivated and a Quick Learner
• Creative ideas with a problem-solving mindset.
• Ability to consistently perform and meet deadlines
• Attention to detail and follow-through
• A good understanding of customer satisfaction
• Ability to work effectively in a team as well as in an individual environment
• Excellent written and verbal communication skills

A B.Tech/M.Tech in Computer Sc, a SDE should have 1-3 years of experience in SW solution development. We are specifically looking for a SDE who:

• is highly proficient in Java Coreand Spring boot applications including making high quality, highly performing code under JVM environment. 
• has good working knowledge in design of n-Tier databases (Postgres, NoSQL DBs e.g. Cassandra/MongoDB)
• has worked in agile development environment under open source gitlab including testing, change management
• is highly proficient in OOD, extensibility, usability, understand data pre-processing
• has exposure to full life cycle of product implementation and deployment of enterprise products driving a subsystem including development under gitlab or github.
• [Desirable] Ability to optimize an ML solution for accuracy and scale
• [Desirable] has experience in working with Advanced Java

Enterprise Minds, with core focus on engineering products, automation and intelligence, partners customers on the trajectory towards increasing outcomes, relevance and growth.

Harnessing the power of Data and the forces that define AI, Machine Learning and Data Science, we believe in institutionalizing go-to-market models and not just explore possibilities.

We believe in a customer-centric ethic without and people-centric paradigm within. With a strong sense of community, ownership, and collaboration our people work in a spirit of co-creation, co-innovation and co-development to engineer next-generation software products with the help of accelerators.

Through Communities we connect and attract talent that shares skills and expertise. Through Innovation Labs and global design studios we deliver creative solutions.
We create vertical isolated pods which has narrow but deep focus. We also create horizontal pods to collaborate and deliver sustainable outcomes.

We follow Agile methodologies to fail fast and deliver scalable and modular solutions. We constantly self-asses and realign to work with each customer in the most impactful manner.

Pre-requisites for the Role

1.Job ID-EMJR0120PS

1. Primary skill:

• Java-spring boot-Hibernate
• Mysql
• CI/CD, Jenkins/Github (good to have)
• Junit/Mockito/testng
• Rest api

(Good to have)

Awards received in career

4.Years of Experience: 3-5 Years

1. Location:(Hybrid)
2. Position-19
3. Budget- Max 14 LPA
4. NP- Immediate

About Easyrewardz:

• Easyrewardz offers industry-agnostic cloud-based CRM, Loyalty and Conversational Commerce solutions that enable seamless omnichannel customer experience.
• At Easyrewardz, we believe that every customer data captured has a story to tell! Our key focus has always been to help brands deliver seamless customer experience and create a deeper customer connect by leveraging actionable insights obtained from data.
• The Indian retail ecosystem is still learning to rely on data when it comes to delivering consistent customer experiences throughout the journey, hence we’ve tried to address those gaps and pain points with our CRM suite.
• Our entire gamut of solutions has Customer Data Platform at the core providing intelligence that powers every product and enables Single View of Customer.

About the role

At EasyRewardz, we're using leading-edge technology to create best loyalty solutions of tomorrow. When you join us as a Sr. Software Engineer, you'll become part of a team focused on innovation and change. You'll work a little harder. You'll aim a little higher. You'll expect more from yourself and others. And at the end of the day, you'll be doing a lot of good work. Through a lot of inspired individuals, we are using technology to build varied nature of loyalty solutions that works better for more people in more ways than ever.

We are looking to reinforce our team with people who are decisive, brilliant and built for speed -- people like you.

As a backend .NET core developer, you will be predominantly involved in:

• Developing business solutions by creating new and modifying existing software web applications.
• Coding, testing, debugging & supporting all types of enterprise web applications consistent with established specifications and business requirements to deliver business value.

This is more than a challenging development role. This is high performance technology.

Responsibilities:

• Develop, test, implement and maintain .net core based middle layer/services application working with established processes.
• Ensure adherence of best coding practicesfor a high-performance data processing backend application.
• Identify production and non-production application issues & assist team with optimal solution.
• Identify opportunities to fine-tune and optimize applications of .Net core developed projects, including periodic code review.
• Provide technicalsupport and consultation for .Net core backend application and deployment related queries

Desired Skills Technical Skills

• Experience in WCF/Web Services or REST API (Using C#.Net core)
• 1+ years of hands on experience (using HTTPS) .Net core Based Windows Services 2+ year of hands on experience SQL Server (2012 or 2014)
• 2+ year of hands on experience in writing high performance SQL queries.
• (MySQL is preferable) Message Queue (RabbitMQ, Kafka or similar) Work experience preferable for message queue based architecture development Distributed Cache Management (Redis Cache, MemCached or similar) Experience preferable

Task:

• Develop, record, and maintain cutting-edge web-based PHP applications.
• Build innovative, state-of-the-art applications and collaborate with the User Experience (UX) team
• Ensure HTML, CSS, and shared JavaScript is valid and consistent across applications.
• Prepare and maintain all applications utilizing standard development tools.
• Utilize backend data services and contribute to increase existing data services API.
• Lead the entire web application development life cycle right from concept stage to delivery and post launch support.
• Refactor, optimize, and improve the existing codebase for maintenance and scale.
• Use test driven development and acceptance tests to ensure feature quality
• Convey effectively with all task progress, evaluations, suggestions, schedules along with technical and process issues.
• Document the development process, architecture, and standard components.
• Coordinate with co-developers and keeps project manager well informed of the status of development effort and serves as a liaison between development staff and project manager.
• Keep abreast of new trends and best practices in web development.

We wish:

• Previous working experience as a PHP Developer for 4 year(s)
• User authentication and authorization between multiple systems, servers, and environments
• Integration of multiple data sources and databases into one system
• Familiarity with limitations of PHP as a platform and its workarounds
• Proficient in PHP, HTML5, JavaScript, JQuery Expert
• Experience with PHP MVC frameworks (Symfony, Laravel, Yii, CodeIgniter, Zend, etc.)
• Excellent relational database skills with MySQL
• Experience with building restful JSON web services
• Knowledge of API’s, such as Twitter, Facebook, Google maps, Instagram, etc.
• Understanding of responsive design frameworks such as bootstrap

Desirable:

• Should have problem-solving skills
• Good experience in oops concept
• Good experience  in MVC
• Good experience in jQuery & JavaScript
• Learn & work on new technologies/ frameworks.
• Knowledge of bootstrap

We Offer:

• Freedom to realize your ideas & individual career & development opportunities.
• A motivating work environment, flat hierarchical structure, numerous company events that cannot be forgotten, and fun at the workplace with flexibilities.
• Professional challenges and career development opportunities.