Lead/Senior Java Developer

We’re looking for full-stack software engineers who are passionate about both technical excellence and team development. This position is based in our Hyderabad office, where you can contribute towards developing secure and scalable software products.

What You’ll Do:

● As a Full Stack Principal Software Engineer you will build scalable applications, lead technical strategy, and mentor teams while working with modern front-end and back-end technologies.

● Architect & Develop: Design and implement scalable, high-performance software solutions.

● Full Stack Development: Build and maintain front-end applications using modern frameworks (React, Angular,

Vue.js) and back-end services using Java, Spring Boot, and cloud-native technologies.

● Technical Leadership: Provide technical guidance, conduct code reviews, and mentor engineers to improve

software quality and performance.

● Scalability & Security: Ensure software solutions adhere to best practices for security, scalability, and performance.

● Cloud & DevOps: Deploy and manage applications on cloud platforms (AWS, Azure, GCP) using Kubernetes,

Docker, and CI/CD pipelines.

● Collaboration: Work cross-functionally with product managers, UX designers, and other engineers to deliver

customer centric solutions.

What You’ll Need

● 10+ years of experience in full-stack development with expertise in Java, Spring Boot, and modern front-end

frameworks.

● Strong experience with microservices architecture and cloud-based development.

● Deep knowledge of front-end technologies such as React.js, Angular, TypeScript, JavaScript, HTML, CSS.

● Experience with database technologies like PostgreSQL, MySQL, MongoDB.

● Hands-on experience with Docker, Kubernetes, CI/CD tools (Jenkins, GitHub Actions, ArgoCD, etc.).

● Strong understanding of API design, GraphQL/REST, and authentication protocols (OAuth, JWT, SAML).

● Experience leading development teams, mentoring engineers, and driving technical decisions.

● Excellent problem-solving skills and ability to work in an agile, fast-paced environment

Good to have:

● Knowledge of DevSecOps practices and software security best practices.

● Familiarity with serverless computing (AWS Lambda, Azure Functions).

● Contributions to open-source projects or active participation in the software development community

Why Join Us?

● Help secure the software supply chain for millions of developers worldwide.

● Build meaningful software in a collaborative, fast-moving environment with strong technical peers.

● Stay hands-on while leading—technical leadership is part of the job, not separate from it.

● Join a global engineering organization with deep local roots and a strong team culture.

● Competitive salary, great benefits, and opportunities for growth and innovation.

If you're excited about building impactful software and helping others do the same,

About - The company is an online discovery platform that offers direct-to-home product trials for D2C brands.

Location- Bangalore

Series- B

Responsibilities

• Lead simultaneous development for multiple business verticals.Design & develop highly scalable, reliable, secure, and fault-tolerant systems.Ensure that exceptional standards are maintained in all aspects of engineering.Collaborate with other engineering teams to learn and share best practices.Take ownership of technical performance metrics and strive actively to improve them.Mentors junior members of the team and contributes to code reviews.

Requirements

• A passion to solve tough engineering/data challenges.Be well versed with cloud computing platforms AWS/GCPExperience with SQL technologies (MySQL,PostgreSQL)Experience working with NoSQL technologies (MongoDB,ElasticSearch)Excellent Programming skills in Python/Java/GoLangBig Data streaming services (Kinesis ,Kafka ,RabbitMQ)Distributed cache systems (Redis ,Memcache)Advanced data solutions (BigQuery, RedShift, DynamoDB, Cassandra)Automated testing frameworks and CI/CD pipelinesInfrastructure orchestration(Docker/Kubernetes/Nginx)Cloud-native tech like Lambda,ASG,CDN,ELB,SNS/SQS,S3 Route53 SES

Responsibilities : 

• Design, code, and implement highly scalable and reliable web-based applications.
• Coordinate with other team’s architect, engineers, and vendors, as necessary.
• Deliver on all phases of development work from initial kick-off, technical setup, application
development, and support.
• Identify exciting opportunities for adopting new technologies to solve existing needs and
predicting future challenges
• Perform ongoing refactoring of code, utilizing visualization and other techniques to fast-track
concepts, and delivering continuous improvement
• Work with product managers to prioritize features for ongoing sprints and managing a list of
technical requirements based on industry trends, new technologies, known defects, and issues
• Manage your own time, and work well both independently and as part of a team
• Quickly generate and update proof of concepts for testing and team feedback
• Embrace emerging standards while promoting best practices

Qualifications : 

• Must have java experience
• Experience in computer science, computer engineering
• Web development work experience preferred
• Demonstrated experience in Agile development, application design, software development, and
testing
• Experience with building RESTful APIs
• Expertise in objected oriented analysis and design across a variety of platforms
• Thorough understanding of JSON, Web Service technologies, and data structure fundamentals
• Experience with adaptive and responsive development techniques
• Aptitude for learning and applying programming concepts
• Ability to effectively communicate with internal and external business partners
• Experience with a broad range of software languages and payments technologies is a plus.

Work Location - Bangalore (Should be ready to relocate)

Kindly go through the JD & company details if interested please revert with below details & acknowledge with your availability.

Mode of work: Hybrid weekly 2/3 Times Mumbai/ Bangalore location.

While you may already know about Wissen and the company history, here is a quick rundown for you.

INTERVIEW PROCESS:

1. Hacker earth assessment
2. Round 1
3. Round 2
4. Final Round

About Wissen Technology:

• The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015.

• Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains. We help clients build world class products.

• Our workforce consists of 550+ 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 has grown its revenues by 400% in these five years without any external funding or investments.

• Globally present with offices US, India, UK, Australia, Mexico, and Canada.

• We offer 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.

• Wissen Technology has been certified as a Great Place to Work®.

• Wissen Technology has been voted as the Top 20 AI/ML vendor by CIO Insider in 2020.

• Over the years, Wissen Group has successfully delivered $650 million worth of projects for more than 20 of the Fortune 500 companies.

We have served client across sectors like Banking, Telecom, Healthcare, Manufacturing, and Energy. They include likes of Morgan Stanley, MSCI, State Street, Flipkart, Swiggy, Trafigura, GE to name a few.

Website : www.wissen.com

Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.

Job Description:

As per our conversation, please find below the job description for your review. 

·       Strong written/verbal communication skills

·       Minimum 4-14 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork join pool and other threading concepts)

·       Good knowledge of the JVM with an understanding of performance and memory optimization.

·       Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).

·       Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.

·       Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.

·       Expert level understanding of Object-Oriented Concepts and Data Structures

·       Good experience in Database (Sybase, Oracle, or SQL Server) like indexing (clustered, non clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

·       While you may already know about Wissen and the company history, here is a quick rundown for you.

Key Responsibilities:

• Rewrite existing APIs in NodeJS.
• Remodel the APIs into Micro services-based architecture.
• Implement a caching layer wherever possible.
• Optimize the API for high performance and scalability.
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required:

1. At least 3 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
2. Excellent hands-on experience using MySQL or any other SQL Database.
3. Good knowledge of MongoDB or any other NoSQL Database.
4. Good knowledge of Redis, its data types, and their use cases.
5. Experience with graph-based databases like GraphQL and Neo4j.
6. Experience developing and deploying REST APIs.
7. Good knowledge of Unit Testing and available Test Frameworks.
8. Good understanding of advanced JS libraries and frameworks.
9. Experience with Web sockets, Service Workers, and Web Push Notifications.
10. Familiar with NodeJS profiling tools.
11. Proficient understanding of code versioning tools such as Git.
12. Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
13. Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
14. Experience building a large-scale social or location-based app.

You need to write scalable Python code for developing and implementing robust applications. You would indulge your dedication and passion to build server-side logic ensuring low-latency and high end performance. You should have sound knowledge of Python frameworks such as Django and Flask.

YOUR ‘OKR’ SUMMARY

OKR means Objective and Key Results.

As a Software Engineer at Coredge, you will help develop our next-generation cloud native core solution along with the product and the open-source community to build the Coredge.io vision.

What you will do?

• System engineering and implementation in Python and Golang.

• Working on performance issues using creative experiments and internally developed product features.

• Research, propose, and integrate relevant open-source projects based on product objectives.

• Write organized, efficient, and well documented Python/Golang code as an example for junior engineers.

• Participation in all levels of product definition, design, implementation, testing, and deployment.

• Must include the ability to discuss abstract system architectures from ideas through implementation and

           creatively apply domain experience to solve technical challenges.

• Mentoring software engineers, fostering an environment of trust and accountability.

What you will need?

A strong sense of ownership, urgency, and drive. As an integral part of the development team, you will need the

following skills to succeed.

• Strong Python skills to develop framework(s).

• Hands-on to design & develop re-usable framework components.

• Hands-On experience on developing framework, designing re-usable framework components.

• Experience in engineering practices such as code refactoring, design patterns, design driven development, Continuous Integration, building highly scalable applications, application security and functional programming.

Additional Skills:

• Knowledge of Cloud native would be an advantage.

• Understanding of Kubernetes from Architecture side and also understand the Standard API.

• Code contributed to CNCF or similar community will be plus.

• Performance benchmarking of K8’s or any cloud will be added advantage