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Senior Java Engineer – Core Backend & Algorithms
Senior Java Engineer – Core Backend & Algorithms
TekClan's logo

Senior Java Engineer – Core Backend & Algorithms

Arnab Dutta's profile picture
Posted by Arnab Dutta
5 - 10 yrs
₹8L - ₹20L / yr
Chennai
Skills
skill iconJava
skill iconSpring Boot
skill iconJavascript
Data Structures
Algorithms
Multithreading
Query optimization
API
Performance tuning
Message broker
skill iconKubernetes

This Is NOT a Typical Java Role If your experience is mostly CRUD APIs, controller wiring, or shallow service layers — this role is not for you. We are looking for a top tier backend engineer who thrives on: 

* Designing complex algorithms 

* Building high-performance, memory-efficient systems 

* Owning deep backend logic that actually moves the needle 

You will work close to the core engine of the product, not the edges.


What You’ll Be Trusted With 

* Architect and build backend systems that must perform under load 

* Design and implement custom algorithms for real-world, non-trivial problems 

* Solve performance bottlenecks involving CPU, memory, I/O, and concurrency 

* Build backend services where latency, throughput, and correctness matter 

* Own document & PDF processing pipelines end-to-end:     

-Composition     

-Rendering     

-Optimization     

- High-volume generation 

* Make hard technical decisions and stand by them


Non-Negotiable Skills 

* Exceptional Java expertise (Core Java, Spring Boot, Java 8+

* Strong command over:     

  • Data structures & algorithms 
  • Multithreading & concurrency models     
  • JVM internals & memory management 

* Proven experience building custom algorithms (this will be evaluated) 

* Deep backend engineering experience with Spring / Spring Boot 

* Strong understanding of:     

  • API design principles     
  • Fault tolerance & resilience     
  •  Performance tuning & profiling 

* Ability to reason about time complexity, space complexity, and trade-offs 

* Strong database fundamentals (query optimization, indexing, transactions) 

* Experience with message brokers (ActiveMQ, Kafka, RabbitMQ) 

* Exposure to Kubernetes-based deployments or large-scale microservices 


Interview Focus (Be Prepared) 

* Algorithm design & problem solving 

* Deep Java fundamentals 

* System design discussions (backend-heavy) 

* Performance tuning scenarios 

* Real-world debugging and optimization challenges

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Shubham Vishwakarma

Full Stack Developer - Averlon
I had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
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About TekClan

Founded :
2018
Type :
Services
Size :
100-1000
Stage :
Profitable

About

TekClan is a professional technology company with a team of experts who are skilled in assisting the clients to maximize the power of innovation towards digital transformation. We provide technology solutions across every vertical including healthcare, education, banking, and finance. We specialize in various independent and end-to-end IT services to cater and support the different needs of our clients; thereby helping them achieve the optimum goal and growth of their business.


Our team aims to provide clients with solutions in major activities such as analytics and mobile systems to provide them a huge head start in transforming their businesses into a Digital Enterprise.

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