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

JOB DESCRIPTION

Experience: 5-8 years

Location: Mumbai

Wissen Technology is now hiring for a Senior 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. - 5-8 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 Us:

At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide.

Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. 

We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. 

Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results. 

Today, Wissen Technology has a global footprint with 2200+ employees across offices in the US, UK, UAE, India, and Australia. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.

Website : www.wissen.com 

What you will be doing

• Build and ship features in our Node.js (and now migrating to TypeScript) codebase that directly impact user experience and help move the top and bottom line of the business.
• Collaborate closely with our product, design and data team to build innovative features to deliver a world class product to our customers. At STAGE, product managers don’t “tell” what to build. In fact, we all collaborate on how to solve a problem for our customers and the business. Engineering plays a big part in it.
• Design scalable platforms that empower our product and marketing teams to rapidly experiment.
• Own the quality of our products by writing automated tests, reviewing code, making systems observable and resilient to failures.
• Drive code quality and pay down architectural debt by continuous analysis of our codebases and systems, and continuous refactoring.
• Architect our systems for faster iterations, releasability, scalability and high availability using practices like Domain Driven Design, Event Driven Architecture, Cloud Native Architecture and Observability.
• Set the engineering culture with the rest of the team by defining how we should work as a team, set standards for quality, and improve the speed of engineering execution.

The role could be ideal for you if you

• Experience of 4-6 years of working in backend engineering with at least 2 years of production experience in TypeScript, Express.js (or another popular framework like Nest.js) and MongoDB (or any popular database like MySQL, PostgreSQL, DynamoDB, etc.).
• Well versed with one or more architectures and design patterns such as MVC, Domain Driven Design, CQRS, Event Driven Architecture, Cloud Native Architecture, etc.
• Experienced in writing automated tests (especially integration tests) and Continuous Integration. At STAGE, engineers own quality and hence, writing automated tests is crucial to the role.
• Experience with managing production infrastructure using technologies like public cloud providers (AWS, GCP, Azure, etc.). Bonus: if you have experience in using Kubernetes.
• Experience in observability techniques like code instrumentation for metrics, tracing and logging.
• Care deeply about code quality, code reviews, software architecture (think about Object Oriented Programming, Clean Code, etc.), scalability and reliability. Bonus: if you have experience in this from your past roles.
• Understand the importance of shipping fast in a startup environment and constantly try to find ingenious ways to achieve the same.
• Collaborate well with everyone on the team. We communicate a lot and don’t hesitate to get quick feedback from other members on the team sooner than later.
• Can take ownership of goals and deliver them with high accountability.

• Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience)
• Proven 2 to 12 years of professional experience in Node.js development
• Strong proficiency in JavaScript, including ES6+ syntax
• Expertise in designing and developing RESTful APIs and microservices architecture
• Experience with popular Node.js frameworks such as Express.js, Nest.js, or Hapi.js
• Experience in modern front-end technologies (e.g., HTML, CSS, JavaScript frameworks like React, Angular, or Vue.js)
• Solid understanding of asynchronous programming, event-driven architecture, and design patterns
• Extensive knowledge of database systems, both SQL and NoSQL (e.g., MongoDB, PostgreSQL, MySQL)
• Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform
• Familiarity with containerization technologies (e.g., Docker, Kubernetes)

Job Description:
      We are looking for a self-starter/ Back End Developer who can work well with minimal guidance and in a fluid environment. Proficient at programming and interacting with APIs and good knowledge of RESTful design. Customer-focused reacts well to changes, works with teams, and is able to multitask. A natural communicator who can articulate and express thoughts and explain technical concepts in clear, plain English (both written and verbal)

Key Responsibilities: 

Hands-on experience in different technologies and languages such as JavaScript, NodeJS, MongoDB, Express JS, MySQL, REST API, Web Services/REST/JSON, MVC Framework to develop Web /mobile applications. Participating in the design and creation of scalable software. Writing clean, functional code on the back-end. Testing and fixing bugs or other coding issues

Position Type: Full-Time

Educational Qualifications: B.Tech/B.Sc/MCA/Relevant Degree in Computer Science.

Experience: 3+ years of hands-on experience in Backend

Reports to: Development Manager

Roles & Responsibilities:

• Work with development teams and product managers to ideate software solutions
• Design client-side and server-side architecture
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Test software to ensure responsiveness and efficiency
• Troubleshoot, debug and upgrade software
• Create security and data protection settings
• Build features and applications with a mobile responsive design
• Write technical documentation
• Work with data scientists and analysts to improve software
• Excellent scoping and estimation skills

Skills and Responsibilities:

• Proven experience as a Backend Developer or similar role
• 4+ years of hands-on software engineering experience in Node.js and Typescript

(Including Express, Feathers.js, and/or Nunjucks)

• Strong understanding of node modules, npm, nodemon.
• Strong understanding of production systems and Cloud deployments, especially in AWS
• Good understanding of test frameworks like Chai, Mocha, and Sinon
• Good understanding of javascript concepts like Promises and Async-Await
• Deep understanding of mobile backend infrastructure including service-oriented or

microservice architecture.

• Strong experience using a client-side MVC framework such as NodeJS, NextJS, Redux.Good experience working on Backend.
• Ensure the technical feasibility of UI/UX designs.
• Experience with filesystems, server architectures, and performance tuning
• Building reusable code and libraries for future use
• Experience in a relational database and version control tools and integration of third.
• Maintain existing code base including troubleshooting of issues and fixing bugs.
• Experience developing desktop and mobile applications
• Developing and implementing highly responsive user interface components using react
• Strong knowledge in databases MySQL, MongoDB, web servers Apache, and UI/UX design.
• Top-notch programming skills and write code for robust software design.
• Experience in responsive design, cross-browser compatibility, and website performance.
• Knowledge of performance testing frameworks including Mocha and Jest
• Aggressive problem diagnosis and creative problem-solving skills.
• Good understanding of how browsers and DOM work.
• Experience with handling Services, RESTful, APIs.
• Excellent communication and teamwork skills
• Great attention to detail and organizational skills
• An analytical mind and problem-solving skills.
• F&B (Food and Beverages) domain experience is a plus.
• Monitoring and improving front-end performance
• A passion for new consumer technology and the emerging media landscape
• F&B (Food and Beverages) domain experience is a plus.
• Keywords skill sets:- Node Js, Express Framework, Feathers Js, JavaScript, PHP, MVC Framework, REST API, Web Services/REST/JSON, MySQL, MongoDB, AWS

We are seeking an experienced Java Developer to join our team. The successful candidate will be responsible for designing, developing, and maintaining Java-based applications. As a Java Developer, you will work closely with project managers, business analysts, and other members of the development team to create high-quality software that meets our clients' needs.

Responsibilities:

• Design, develop and maintain Java-based applications
• Collaborate with cross-functional teams to identify, prioritize and execute tasks
• Participate in code and design reviews to maintain code quality and ensure that the software is consistent with established standards
• Ensure timely delivery of high-quality software by following agile development methodologies
• Provide technical guidance and mentorship to junior developers

Requirements:

• Strong knowledge of Java and object-oriented programming principles
• Experience with Java frameworks such as Spring, Hibernate, Struts
• Experience with web development technologies such as HTML, CSS, JavaScript, and AJAX
• Familiarity with relational databases such as MySQL, Oracle, or PostgreSQL
• Understanding of software development methodologies, such as Agile, Scrum, and Waterfall
• Excellent problem-solving and analytical skills
• Strong written and verbal communication skills
• Bachelor's or Master's degree in Computer Science or a related field

If you are passionate about Java development and are looking for a challenging and rewarding opportunity to grow your skills and career, we encourage you to apply for this position.

Roles & Responsibilities :

• You’ll work as part of the software engineering team along with other front-end, back-end, mobile app, QA teams & you will also closely work with the founder.
• You should be able to take the ownership of a project end to end.
• Your primary focus will be to build, implement & maintain the complete back-end stack of the product.
• You will create production grade code and will implement the solutions which run bug free.
• Participate in product development discussions and product development road-maps.
• Collaborate with members across departments to identify and build on improvements to product, process and systems.
•  
• Required Experience and Qualifications:

• 2 to 6 years of software development experience.
• Experience of working on application architecture design will be preferred.
• Experience of working in at least 1 or 2 projects, managing or leading the entire tasks.
• Experience in Docker/Kubernetes, Agile methodologies & CI/CD  automation process.
• Knowledge of Queueing technologies like Kafka, RabbitMQ, ActiveMQ, Version control using Git.
• Experience in microservices architecture, in-memory systems like Redis and basic knowledge of Linux/Unix systems.
• Experience of building applications processing large volumes of streaming data will be preferred.
• Experience from a middle size company or from a startup will be preferred.
• BE/MCA/MSc in Computers/Information technology with a good academic record.

Key Skills:

• Java, & Spring boot
• Hibernate
• Spring Boot JPA
•  Object Oriented Programming
• MySQL & MongoDB
• Jenkins

Perks & Benefits:

• Great learning, innovative and development platform.
• Remote work and flexible timings.
• Reimbursement of the online learning courses on certification.
• Medical insurance coverage for you and the dependence.
• Five Working days per week.

Strong expertise in AWS architecture, deployment and coding using Python and AWS Lambda functions. She/ he should also have experience with NOSQL database like MongoDB/ DynamoDB and exposure to Machine Learning. She/ he should be familiar with Ajax calls, interaction with API using JSON files and xml.

Knowledge of testing tools like JMeter and Selenium and programming languages like Javascript and Dot Net will be a big advantage.
The person should be able to guide junior resources, perform code reviews and solve performance issues as required.