Lead Java Developer

JOB DETAILS:

* Job Title: Lead I - (Web Api, C# .Net, .Net Core, Aws (Mandatory)

* Industry: Global digital transformation solutions provide

* Salary: Best in Industry

* Experience: 6 -9 years

* Location: Hyderabad

Job Description

Role Overview

We are looking for a highly skilled Senior .NET Developer who has strong experience in building scalable, high‑performance backend services using .NET Core and C#, with hands‑on expertise in AWS cloud services. The ideal candidate should be capable of working in an Agile environment, collaborating with cross‑functional teams, and contributing to both design and development. Experience with React and Datadog monitoring tools will be an added advantage.

Key Responsibilities

• Design, develop, and maintain backend services and APIs using .NET Core and C#.
• Work with AWS services (Lambda, S3, ECS/EKS, API Gateway, RDS, etc.) to build cloud‑native applications.
• Collaborate with architects and senior engineers on solution design and implementation.
• Write clean, scalable, and well‑documented code.
• Use Postman to build and test RESTful APIs.
• Participate in code reviews and provide technical guidance to junior developers.
• Troubleshoot and optimize application performance.
• Work closely with QA, DevOps, and Product teams in an Agile setup.
• (Optional) Contribute to frontend development using React.
• (Optional) Use Datadog for monitoring, logging, and performance metrics.

Required Skills & Experience

• 6+ years of experience in backend development.
• Strong proficiency in C# and .NET Core.
• Experience building RESTful services and microservices.
• Hands‑on experience with AWS cloud platform.
• Solid understanding of API testing using Postman.
• Knowledge of relational databases (SQL Server, PostgreSQL, etc.).
• Strong problem‑solving and debugging skills.
• Experience working in Agile/Scrum teams.

Good to Have

• Experience with React for frontend development.
• Exposure to Datadog for monitoring and logging.
• Knowledge of CI/CD tools (GitHub Actions, Jenkins, AWS CodePipeline, etc.).
• Containerization experience (Docker, Kubernetes).

Soft Skills

• Strong communication and collaboration abilities.
• Ability to work in a fast‑paced environment.
• Ownership mindset with a focus on delivering high‑quality solutions.

Skills

.NET Core, C#, AWS, Postman

Notice period - 0 to 15 days only

Location: Hyderabad

Virtual Interview: 7th Feb 2026

First round will be Virtual

2nd round will be F2F

• Develop, enhance, and maintain Java-based applications using Spring Boot and related frameworks.
• Design, implement, and optimize Microservices with RESTful APIs.
• Build and manage Spring Batch jobs, including scheduling, chunk processing, partitioning, and error handling.
• Apply object-oriented design (OOD) and GoF design patterns (Factory, Singleton, Strategy, Observer, etc.).
• Write clean, maintainable, and scalable code following best coding standards.
• Integrate applications with databases (SQL/NoSQL) and messaging systems (Kafka/RabbitMQ).
• Participate in code reviews, technical discussions, and architectural decisions.
• Troubleshoot production issues and ensure application performance, scalability, and reliability.
• Work in an Agile/Scrum environment and collaborate with cross-functional teams.

Technical Skills Required

• ** Core Java 8+**, OOP, Collections, Multithreading
• ** Spring Boot**, Spring MVC, Spring Data JPA
• ** Spring Batch** (Job/Step configuration, Tasklets, Readers/Writers, partitioning)
• ** Microservices** (REST, API Gateway, service discovery, resilience patterns)
• ** Design Patterns** (Factory, Singleton, Adapter, Strategy, Builder, Observer, etc.)
• ** Databases:** MySQL/PostgreSQL/Oracle, MongoDB (optional)
• ** Messaging:** Kafka / RabbitMQ (preferred)
• ** Build tools:** Maven/Gradle
• ** CI/CD:** Jenkins, GitLab CI, or similar
• ** Cloud:** AWS / Azure / GCP (optional but preferred)
• ** Testing:** JUnit, Mockito

Wissen Technology is now hiring for a Java Developer - Bangalore 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. - 6 to 12 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 clientfacing 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. 

Key Responsibilities:

• Design, develop, and maintain robust backend services using Core Java and Spring Boot
• Develop and optimize queries in MongoDB, including aggregation and indexing
• Build RESTful APIs and integrate third-party services
• Write clean, maintainable, and scalable code following best practices
• Collaborate with cross-functional teams to gather and implement requirements

Required Skills:

• 5+ years of experience in Core Java
• Strong expertise in Spring Boot (REST APIs, Security, Data)
• Hands-on experience with MongoDB (CRUD operations, schema design)
• Experience with Microservices architecture

About Nomiso India: Nomiso is a product and services engineering company. We are a team of Software Engineers, Architects, Managers, and Cloud Experts with expertise in Technology and Delivery Management. 

Our mission is to Empower and Enhance the lives of our customers through simple solutions for their complex business problems. 

At Nomiso, we encourage entrepreneurial spirit - to learn, grow and improve. A great workplace thrives on ideas and opportunities. That is a part of our DNA. We’re in pursuit of colleagues who share similar passions, are nimble, and thrive when challenged. We offer a positive, stimulating, and fun environment – with opportunities to grow, a fast-paced approach to innovation, and a place where your views are valued and encouraged.

We invite you to push your boundaries and join us in fulfilling your career aspirations!

What You Can Expect from Us:

We work hard to provide our team with the best opportunities to grow their careers.  You can expect to be a pioneer of ideas, a student of innovation, and a leader of thought. Innovation and thought leadership is at the center of everything we do at all levels of the company. Let’s make your career great!

Position Overview: 

As our Senior Engineer (Back End), you'll be responsible for building new features, enhancing the existing ones as well as supporting them in production. You will also be responsible for building reusable libraries or technology platforms that address multiple use cases. You will work towards delivering specific milestones and objectives in a very dynamic environment. 

Roles and Responsibilities:

● Working closely with the Engineers to develop the best technical design, strategy and drive execution to build capabilities into the platform 

● Owning the delivery of various timelines, ensuring that key milestones are met and deliveries are of the highest quality 

● Establishing various best practices for software development and encouraging their adoption with the team and organization 

● Collaborate with other non-technical stakeholders of the business which includes Product Managers, Designers, Marketing etc.

● Encouraging and mentoring an excellent team of talented engineers by mentoring them and working with them to remove any roadblocks 

● Functional availability of the software developed, enhancing the product based on functional requirements 

● Managing cloud-based services, web applications for their functional correctness, availability, security 

● Deploy and maintain enterprise class RESTful, GRPC based services 

● Own the engineering excellence and operational readiness of the service driving the SLO,SLI, SLA of the relevant services 

● Take ownership to drive quality of the services under your purview via integration test and unit test coverage 

● Responsible for all microservices within your purview responsible driving their quality, security,availability, scalability and other “ilities” 

● Dive deep into each issue, own reactive fixes, and execute long term fixes 

● Assist other Support Engineers on complex RCA issues 

● Provide technical mentoring and guidance to other engineers 

● Provide L3 engineering support

Must Have Skills:

• Overall experience 7+ years and relevant at least 3+ years in Golang with Java
• Strong design and architectural experience in building various highly-scalable and highly-available products 
• Strong understanding of the SDLC Activities which include Analysis, Design, Development, Testing, Deployment and Post-Production Support etc.
• Proficiency in at least one server side framework for Go Lang
• Experience working on NoSQL & SQL Databases such as MySQL, PostgreSQL, MongoDB, Redis etc 
• Deep Dive, problem-solving, RCA and systematic thinking to reach the cause of issues 
• Able to work independently and multi-task effectively 
• Program at a system level and able to manage service stability 
• Excellent experience maintaining, scalable, extensible code
• Methodical in maintaining up to date documentation 
• Metric-driven mindset and obsessive about ensuring clean coding practices 
• Preferred experience in product development 
• Preferred working experience on microservices platforms 
• Proficiency in at least one modern web front-end development framework such as React JS will be a bonus

Good to Have Skills:

• Preferred experience in Elasticsearch and Kibana (ELK Stack) 
• Preferred experience with messaging systems like RabbitMQ 

Qualification:

• Bachelor of Science in Computer Science or equivalent technical training and professional work experience.

Cloudera Data Warehouse Hive team looking for a passionate senior developer to join our growing engineering team. This group is targeting the biggest enterprises wanting to utilize Cloudera’s services in a private and public cloud environment. Our product is built on open source technologies like Hive, Impala, Hadoop, Kudu, Spark and so many more providing unlimited learning opportunities. 

A Day in the Life

Over the past 10+ years, Cloudera has experienced tremendous growth making us the leading contributor to Big Data platforms and ecosystems and a leading provider for enterprise solutions based on Apache Hadoop. You will work with some of the best engineers in the industry who are tackling challenges that will continue to shape the Big Data revolution.  We foster an engaging, supportive, and productive work environment where you can do your best work. The team culture values engineering excellence, technical depth, grassroots innovation, teamwork, and collaboration.

You will manage product development for our CDP components, develop engineering tools and scalable services to enable efficient development, testing, and release operations.  You will be immersed in many exciting, cutting-edge technologies and projects, including collaboration with developers, testers, product, field engineers, and our external partners, both software and hardware vendors.

Opportunity:

Cloudera is a leader in the fast-growing big data platforms market. This is a rare chance to make a name for yourself in the industry and in the Open Source world. The candidate will responsible for Apache Hive and CDW projects. We are looking for a candidate who would like to work on these projects upstream and downstream. If you are curious about the project and code quality you can check the project and the code at the following link. You can start the development before you join. This is one of the beauties of the OSS world. 

https://hive.apache.org/" target="_blank">Apache Hive

Responsibilities:

• Build robust and scalable data infrastructure software

• Design and create services and system architecture for your projects 

• Improve code quality through writing unit tests, automation, and code reviews

• The candidate would write Java code and/or build several services in the Cloudera Data Warehouse. 

• Worked with a team of engineers who reviewed each other's code/designs and held each other to an extremely high bar for the quality of code/designs

• The candidate has to understand the basics of Kubernetes.

• Build out the production and test infrastructure. 

• Develop automation frameworks to reproduce issues and prevent regressions.

• Work closely with other developers providing services to our system.

• Help to analyze and to understand how customers use the product and improve it where necessary.  

Qualifications:

• Deep familiarity with Java programming language.

• Hands-on experience with distributed systems. 

• Knowledge of database concepts, RDBMS internals.

• Knowledge of the Hadoop stack, containers, or Kubernetes is a strong plus.  

• Has experience working in a distributed team. 

• Has 3+ years of experience in software development.

Responsibilities

• Help define Technical Roadmap and own the entire product delivery end to end
• Work very closely with various business stakeholders to drive the execution of multiple business plans and technologies
• Improve, optimize and identify opportunities for efficient software development processes
• Hire, Develop and Retain a strong team of engineers
• Keep abreast of the changes in the industry and champion new technologies and development processes within the team
• Thinking backwards from a customer POV and relentlessly pursuing customer's cause in tech and product decisions

Apply If You have:

• Graduation/Post Graduation degree in Computer Science (IITs, IIITs and NITs preferred)
• 6-10 years of strong experience in JAVA(Spring/Hibernate/JPA/REST), JavaScript, NodeJS with good exposure to MySQL
• Experience with AWS, Microservices, Caching, Performance Optimization, Nginx, Solr, Redis, Redshift
• Experience working with agile teams and making rapid decisions in dynamic and disruptive environment
• 2+ years of leading and managing a team consisting of backend, frontend and QA.
• Hands on writing and reviewing code
• Exceptional design and architectural skills
• Strong communication skills
• High motivation to work in a fast paced, dynamic, collaborative team environment

• Development & maintenance of Cleartrip’s product lines
• Involved in entire lifecycle including analysis, development, fixing, and monitoring of issues on the assigned Cleartrip product lines
• Unit test cases – Review and writing

• 2+ years of Product Development experience
• Java, Spring Framework preferred
• Solid experience with databases (Oracle/MySQL) – a must
• Excellent OO and design skills
• Experience with Test Driven Development within a continuous Integration environment (Lunt, CruiseControl, etc)

• BE/B.Tech Computer Science Personality Traits/Attributes:
• Excellent communication skills
• Excellent interpersonal skills – team player & desires to works closely with teammates, QA & product teams
• Problem-solving skills – Ability to research, analyze & find solutions independently.