Java Developer

Candidate must have 6+ years of backend engineering experience, with 1–2 years leading engineers or owning major systems.

Candidate must be from a product-based organization with a startup mindset.

Must be strong in one core backend language: Node.js, Go, Java, or Python.

Deep understanding of distributed systems, caching, high availability, and microservices architecture.

Hands-on experience with AWS/GCP, Docker, Kubernetes, and CI/CD pipelines.

Strong command over system design, data structures, performance tuning, and scalable architecture

Ability to partner with Product, Data, Infrastructure, and lead end-to-end backend roadmap execution.

Wissen Technology is hiring for Java Tech lead

Required:

• 8-10 years of industrial experience
• Java and related frameworks.
• Experience in Core Java 1.8 and above, Data Structures, OOPS, Multithreading, Microservices, Spring and Swift Payments
• Exposure on Fintech domain is mandatory
• Should have the ability to analyse, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS
• Good knowledge of multi-threading and high volume server side development
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.

Company Profile:

Company Name : Wissen Technology

Group of companies in India : Wissen Technology & Wissen Infotech

Work Location - Bangalore

Website : www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

LinkedIn: https://www.linkedin.com/company/wissen-technology

Kapture CRM is an enterprise-focused Service automation SaaS platform. We help 500+ enterprises in 14 countries to manage their customer service in a more intelligent, contextual way.

Roles & Responsibilities :

    * Proven experience in Java8, Spring Boot, Microservices/API

    * Strong experience with Kafka, Kubernetes

    * Strong experience in using RDBMS (Mysql) and NoSQL.

    * Experience in working in Eclipse / Maven environments.

    * Hands-on experience in Unix / Shell scripting.

    * Hands-on experience in fine-tuning application response/performance testing.

    * Experience in Web Services.

    * Strong analysis & problem-solving skills

    * Strong communication skills - both verbal and written

    * Ability to work independently with limited supervision

    * Proven ability to use own initiative to resolve issues

    * Full ownership of projects/tasks

    * Ability and willingness to work under pressure, on multiple concurrent tasks, and to deliver to agreed deadlines

    * Eagerness to learn

    * Strong team-working skills

• BE/MTech/MCA/MSc
• 3+yrs Hands on Experience in TSQL / PL SQL / PG SQL or NOSQL
• Immediate joiners preferred*
• Candidates will be selected based on logical/technical and scenario-based testing

Note: Candidates who have attended the interview process with TnS in the last 6 months will not be eligible.

1. Technical Skills Desired:
   1. Experience in MS SQL Server and one of these Relational DB’s, PostgreSQL / AWS Aurora DB / MySQL / Oracle / NOSQL DBs (MongoDB / DynamoDB / DocumentDB) in an application development environment and eagerness to switch
   2. Design database tables, views, indexes
   3. Write functions and procedures for Middle Tier Development Team
   4. Work with any front-end developers in completing the database modules end to end (hands-on experience in parsing of JSON & XML in Stored Procedures would be an added advantage).
   5. Query Optimization for performance improvement
   6. Design & develop SSIS Packages or any other Transformation tools for ETL

1. Functional Skills Desired:
   1. Banking / Insurance / Retail domain would be a
   2. Interaction with a client a

1. Knowledge in a Cloud Platform (AWS / Azure)
2. Knowledge on version control system (SVN / Git)
3. Exposure to Quality and Process Management
4. Knowledge in Agile Methodology

1. Soft skills: (additional)
   1. Team building (attitude to train, work along, mentor juniors)
   2. Communication skills (all kinds)
   3. Quality consciousness
   4. Analytical acumen to all business requirements

Why you should join us

- You will join the mission to create positive impact on millions of peoples lives

- You get to work on the latest technologies in a culture which encourages experimentation - You get to work with super humans (Psst: Look up these super human1, super human2, super human3, super human4)

- You get to work in an accelerated learning environment

What you will do

- You will provide deep technical expertise to your team in building future ready systems.

- You will collaborate in a highly cross functional team, providing engineering perspective to non technical members of the team

- You will help develop a robust roadmap for ensuring engineering operational excellence

- You will establish clean and optimised coding standards that are well documented

- You will author efficient, reliable and performant systems

- You will design systems, frameworks and libraries that work at scale, are easy to maintain and provide a great developer experience

- You will be agile and curious about customer problems and business objectives

- You will actively mentor and participate in knowledge sharing forums

- You will work in an exciting startup environment where you can be ambitious and try new things :)

You should apply if

- You have a strong foundation in Computer Science concepts and programming fundamentals

- You have been working on backend web technologies since 8+ years

- You have built and maintained reliable systems that operate at high scale

- You’re experienced in building and running cloud-native platforms & distributed systems

- Extensive experience in any web stack (we use Typescript / AWS / DynamoDB / PostgreSQL)

- You understand the hustle of a startup and are good with handling ambiguity

- You are data driven, have customer empathy and enjoy building delightful applications

- You are curious, a quick learner and someone who loves to experiment

- You insist on highest standards of quality, maintainability and performance

- You work well in a team to enhance your impact

Job Description:

• Expert level knowledge of JavaScript
• We use Airbnb style to code
• Should be strong in Problem solving skills, data structure and algorithms
• Strong Proficiency in Node.js with detailed experience in Express, loopback, swagger, PM2
• Should have well understanding on Asynchronous Programming
• Experience with Socket.io, engine.io (Preferred)
• Working knowledge of Promise, Callback hell and ways to avoid it
• Solid experience with RDBMS (PostgreSQL)
• Experience with Redis, MongoDB (Preferred)
• Understanding of the design Principles of a scalable system
• Exposure to GCP/ AWS is must
• Excellence in Programming, Debugging and Maintaining the code
• A strong ability to quickly learn new technologies and to keep yourself updated with the latest in tech
• A go-getter attitude with oceans of optimism, humility, and self-motivation
• Passion for code quality and attention to detail
• Experience with Code versioning tool like Git, SVN is preferred