Java Developer

JOB DETAILS:

* Job Title: Lead I - Software Engineering-Kotlin, Java, Spring Boot, Aws

* Industry: Global digital transformation solutions provide

* Salary: Best in Industry

* Experience: 5 -7 years

* Location: Trivandrum, Thiruvananthapuram

Role Proficiency:

Act creatively to develop applications and select appropriate technical options optimizing application development maintenance and performance by employing design patterns and reusing proven solutions account for others' developmental activities

Skill Examples:

1. Explain and communicate the design / development to the customer
2. Perform and evaluate test results against product specifications
3. Break down complex problems into logical components
4. Develop user interfaces business software components
5. Use data models
6. Estimate time and effort required for developing / debugging features / components
7. Perform and evaluate test in the customer or target environment
8. Make quick decisions on technical/project related challenges
9. Manage a Team mentor and handle people related issues in team
10.  Maintain high motivation levels and positive dynamics in the team.
11.  Interface with other teams’ designers and other parallel practices
12.  Set goals for self and team. Provide feedback to team members
13.  Create and articulate impactful technical presentations
14.  Follow high level of business etiquette in emails and other business communication
15.  Drive conference calls with customers addressing customer questions
16.   Proactively ask for and offer help
17.  Ability to work under pressure determine dependencies risks facilitate planning; handling multiple tasks.
18.  Build confidence with customers by meeting the deliverables on time with quality.
19.  Estimate time and effort resources required for developing / debugging features / components
20.  Make on appropriate utilization of Software / Hardware’s.
21.  Strong analytical and problem-solving abilities

Knowledge Examples:

•     Appropriate software programs / modules

1. Functional and technical designing
2. Programming languages – proficient in multiple skill clusters
3. DBMS
4. Operating Systems and software platforms
5. Software Development Life Cycle
6. Agile – Scrum or Kanban Methods
7. Integrated development environment (IDE)
8. Rapid application development (RAD)
9. Modelling technology and languages
10. Interface definition languages (IDL)
11. Knowledge of customer domain and deep understanding of sub domain where problem is solved

Additional Comments:

We are seeking an experienced Senior Backend Engineer with strong expertise in Kotlin and Java to join our dynamic engineering team.

The ideal candidate will have a deep understanding of backend frameworks, cloud technologies, and scalable microservices architectures, with a passion for clean code, resilience, and system observability.

You will play a critical role in designing, developing, and maintaining core backend services that power our high-availability e-commerce and promotion platforms.

Key Responsibilities

Design, develop, and maintain backend services using Kotlin (JVM, Coroutines, Serialization) and Java.

Build robust microservices with Spring Boot and related Spring ecosystem components (Spring Cloud, Spring Security, Spring Kafka, Spring Data).

Implement efficient serialization/deserialization using Jackson and Kotlin Serialization. Develop, maintain, and execute automated tests using JUnit 5, Mockk, and ArchUnit to ensure code quality.

Work with Kafka Streams (Avro), Oracle SQL (JDBC, JPA), DynamoDB, and Redis for data storage and caching needs. Deploy and manage services in AWS environment leveraging DynamoDB, Lambdas, and IAM.

Implement CI/CD pipelines with GitLab CI to automate build, test, and deployment processes.

Containerize applications using Docker and integrate monitoring using Datadog for tracing, metrics, and dashboards.

Define and maintain infrastructure as code using Terraform for services including GitLab, Datadog, Kafka, and Optimizely.

Develop and maintain RESTful APIs with OpenAPI (Swagger) and JSON API standards.

Apply resilience patterns using Resilience4j to build fault-tolerant systems.

Adhere to architectural and design principles such as Domain-Driven Design (DDD), Object-Oriented Programming (OOP), and Contract Testing (Pact).

Collaborate with cross-functional teams in an Agile Scrum environment to deliver high-quality features.

Utilize feature flagging tools like Optimizely to enable controlled rollouts.

Mandatory Skills & Technologies Languages:

Kotlin (JVM, Coroutines, Serialization),

Java Frameworks: Spring Boot (Spring Cloud, Spring Security, Spring Kafka, Spring Data)

Serialization: Jackson, Kotlin Serialization

Testing: JUnit 5, Mockk, ArchUnit

Data: Kafka (Avro) Streams Oracle SQL (JDBC, JPA) DynamoDB (NoSQL) Redis (Caching)

Cloud: AWS (DynamoDB, Lambda, IAM)

CI/CD: GitLab CI Containers: Docker

Monitoring & Observability: Datadog (Tracing, Metrics, Dashboards, Monitors)

Infrastructure as Code: Terraform (GitLab, Datadog, Kafka, Optimizely)

API: OpenAPI (Swagger), REST API, JSON API

Resilience: Resilience4j

Architecture & Practices: Domain-Driven Design (DDD) Object-Oriented Programming (OOP) Contract Testing (Pact) Feature Flags (Optimizely)

Platforms: E-Commerce Platform (CommerceTools), Promotion Engine (Talon.One)

Methodologies: Scrum, Agile

Skills: Kotlin, Java, Spring Boot, Aws

Must-Haves

Kotlin (JVM, Coroutines, Serialization), Java, Spring Boot (Spring Cloud, Spring Security, Spring Kafka, Spring Data), AWS (DynamoDB, Lambda, IAM), Microservices Architecture

******

Notice period - 0 to 15 days only

Job stability is mandatory

Location: Trivandrum

Virtual Weekend Interview on 7th Feb 2026 - Saturday

Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore/Mumbai with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. Required Skills: • Exp. - 3 to 8 years. • Experience in Core Java and Spring Boot. • Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns. • Should have the ability to analyze, design, develop and test complex, low-latency client facing applications. • Good development experience with RDBMS. • Good knowledge of multi-threading and high-performance server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills. • Strong interpersonal, communication and analytical skills. • Should have the ability to express their design ideas and thoughts. About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider. 

Company Description

Mobile Programming LLC was started with the mission to provide “Economic as well as Efficient” software solutions. We firmly believe in the credibility and scalability of Digital Transformation. Our services are focused on Mobility Solutions, Custom App Development, Cloud Solutions, IoT, AR/VR, Metaverse, Blockchain, Artificial Intelligence & Machine Learning, Chatbot, Predictive Analytics & Big Data Solutions, and several other trending as well as emerging technologies. At its core, Mobile Programming LLC is all about developing solutions that help clients accelerate their business processes, achieve optimum productivity, and mitigate risks.

Role Description

This is a full-time on-site role for a Full Stack Developer located in Bengaluru. As a Java Developer, you will be responsible for building and maintaining web applications, ensuring the responsiveness of applications, and working alongside cross-functional teams to develop and implement user-friendly features. You will collaborate with the development team, contribute to the overall architecture of the application, and ensure high-quality code and documentation.

Qualifications

• Proven work experience as Java Developer
• Experience in 4 yrs expin back-end development

• Working knowledge of XML, JAVA, REST, SOAP etc
• Basic knowledge of SQL, including the ability to author ad-hoc database queries.
• Is comfortable writing code in Ruby, Python, JavaScript, and Java and enjoys learning new languages and technologies.
• Has experience integrating  APIs (major plus)
• Experienced integrating RESTful APIs into web applications (a plus)
• Is experienced with Github or the likes.
• Should have worked on Payment Gateway Applications.

• Has a technical degree in Computer Science, Engineering or Mathematics (MBA is an asset)
• Technical Product/Software certifications an asset
• Has 3 to 5 years of experience in a similar client-facing role
• Has previous experience in a traditional software engineering or Implementation role.
• Has strong analytical and debugging skills.
• Experienced with Salesforce is a plus
• Solution-driven, able to grasp new concepts quickly and efficiently, able to work alone or in a team, able to work with no supervision and under pressure
• Excels in a collaborative and cross-functional environment.
• Demonstrates professional communication skills on technical and business-related subjects
• Experience working with payment gateways a major plus including ecommerce and Retail Experience with continuous integration and test-driven development methodologies a plus
• Excellent time management, organization, and planning skills are essential
• Flexibility to travel as required to meet with clients
• Ability to comprehend and translate complex technical issues and apply to business solutions
• Demonstrate ability to articulate complex technical terms or processes into business language
• Ability to synthesize technical information and apply to business solutions
• Able to set priorities, influence others, and manage customer and partner expectations
• Demonstrated success in customer and partner relationship management
• You are motivated, think outside of the box, and understand the purpose of process and procedures

Senior Software Engineer, Java/Python (Bangalore, Remote option available)

4+ years of experience 

Zepto 

Why should you look at this role?

Salary 40-55 lakh per annum

Paid leave

Sick leave

Provident Fund

What Else?

• High growth startup in quick commerce space (10 min delivery)
• Given our very high hiring bar, we offer a very competitive salary and substantial equity to create everlasting wealth for our early believers as the company grows.
• Work on real world logistics problems & benefit from the rocket ship Zepto is!

Tech Team: 40-50 (200+ in few months)

About the Employer

Zepto is a fast-growing startup that delivers products in 10 minutes through an optimised network of dark stores that we're building across the country!

Just 6 months after launching, we've raised $160 million from marquee

investors in Silicon Valley and India. Our investors include Y Combinator, Nexus Venture Partners, and many more! We’ve built out one of the best startup teams in India, with Senior Executives from Uber, Flipkart, Dream11, PhonePe, Goldman Sachs, Pepperfry, and institutions like Stanford, INSEAD, IITs, and IIMs.

The magic of Zepto is our ability to consistently deliver 2,500+ products in 10 minutes flat. It's the core of what we do, and the reason why we’ve been able to grow so fast with phenomenal customer love. Our mission is simple: to make 10-minute delivery the new normal.

Funding:

Funding Zepto has raised a total of $160M in funding over 3 rounds.

Their latest funding was raised on Dec 20, 2021 from a Series C round.

Employer Reviews:

“High Ownership, Lots of Learning, Broad Roles, Accessible Leaders”

"Alot of benefits like ZeptoJoy coupon, internet bill reimbursement and cab reimbursement is also taken care of. Overtime is paid."

Reporting structure:

Software Engineer -> Sr Software Engineer -> Lead -> EM -> AD / Director / VP -> Head of Engineering -> CTO

This role would be by and large a Individual Contributor role.

Interview Process:

• Round 1. Problem Solving + CS Fundamentals (60 mins)
  • DS/Algo Problems (30 mins) - You can expect 1-2 Leetcode easy/medium questions
  • CS Fundamentals (30 mins)
• Round 2. Low Level Design (60 mins)
  • You would be given a trivial problem and expected to work through the low level design viz class structure, interfaces, db data models etc.
• Round 3. High Level Design (60 mins)
  • You will be given a trivial problem, where we would work with you to design the system for the problem statement. We expect the detailed flow of the Functionality
    • Extract APIs, if any
    • Database choices
    • Schema design and Scale the system, if time permits

What You will do Everyday?

• Work very closely with the Tech Leadership and lead end-to-end development.
• Closely collaborate with product, design and business teams to understand product ideas and business needs and help deliver these as a series of ultra fast experiments.
• Architect and implement backend services with high reliability and scalability.
• Contribute to system architecture and database design.
• Set up best practices for development and champion their adoption.
• Write quality documentation and handle conflicts well to build consensus.
• Learn about new technologies and incorporate them.
• Mentor young minds and foster team spirit

Your Superpowers

• 4+ years of experience with Java frameworks like Spring / Dropwizard/Play or Python frameworks like Django/Flask/FastApi and databases like PostgreSQL/MySQL/MongoDB
• Experience in building highly scalable customer-facing applications that involve implementing complex business flows and dealing with an ever-increasing scale
• Extensive experience in object-oriented design skills, knowledge of design patterns, and huge passion and ability to design intuitive module and class-level interfaces.
• Experience in service-oriented architecture design.
• Experience building at least one application from scratch.
• Experience with cache store/message broker like Redis / RabbitMQ/Kafka
• Interest in learning new languages/framework as needed.
• Worked in a startup environment with high levels of ownership and commitment.
• A growth mindset and passionate about building things from the ground up and most importantly, you should be fun to work with.

About the Company
Based in California’s Silicon Valley, WebShar is focused on enabling innovative teams to bring their ideas to life. WebShar provides software development consulting services to innovative companies around the world. Through years of cutting edge technical expertise, the WebShar team utilizes their extensive knowledge of modern software development methodologies to help companies create innovative software solutions.

About the Job Role

 Primary  

• Java, J2EE, Spring MVC
• Hibernate or other ORM
• Web technology and security, REST framework
• Any one UI technology and ready to learn a new one.
• Database knowledge (MySQL, Oracle, Postgres)
• Unit testing frameworks
• Version Control (Eg., Git)

Good To Have  

• Microservices architecture implementation using docker and kubernetes
• Web technologies like HTML, CSS and Javascript
• Python, Shell Scripting

• Identify and analyze user requirements
• Prioritize, assign and execute tasks throughout the software development life cycle
• Document development phases
• Design database architecture
• Develop Java EE applications
• Write well-designed, efficient code
• Review, test and debug team members’ code
• Schedule product releases with internal teams
• Ensure our applications are secure and up-to-date
• Stay up-to-date on emerging technologies

• 6 to 8 years of work experience as a Senior Java Developer or similar role
• Experience designing, building and testing Java EE applications
• In-depth knowledge of popular Java frameworks like Spring MVC
• Experience with Object-Oriented Design (OOD)
• Good delegation and time management skills
• Problem-solving abilities
• BSc in Computer Science, Engineering or relevant field