
Principal Software Engineer
at Our client company is into Hospitality. (TH1)
- Owns team's output and E2E definition and execution of SDLC. Drives sprint planning, estimates & prioritizes tasks, Keeps key stakeholders updated on progress, milestones, and any potential slippages.
- Identifies pitfalls across codebases proactively. Writes model code that is looked up to. Understands internals of programming languages & runtimes. Creates common reusable components/libraries- Uses advanced data structures.
- Designs API contracts between large systems with end-to-end service design and active leadership towards long-term sustainability including versioning, complex migration plans, impact analysis across products.
- Owns NFRs and pushes the envelope on performance, scalability, and high availability with cognizance towards the cost of infra. Drives tech stack selection independently, mentors junior engineers. Evangelises of generic platform building across the organization.
- Troubleshoots unseen issues across codebases. Solves large end-to-end cross-cutting problems with elegant solutions with an eye on long-term sustainability.
- Partners with and influences product managers on “how”. Leads the pack on hiring and evangelizes steeper hiring standards towards building an A+ team. Represents company on external platforms/conferences.
Qualifications:
- Bachelor's Degree in Computer Science or similar discipline
- 7+ years relevant work experience in software engineering while leading teams.
- Proficiency in more than one modern programming language such as Python (preferred) associated tech stack to write maintainable, scalable, unit-tested code
- Experience in building complex software systems that have been successfully delivered
- Should be strong with System Design and Database designing
- Deep understanding of design patterns, optimizations, deployments with Strong object-oriented design skills
- Experience mentoring other software engineers.
- Experience with full life cycle development in any programming language

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JOB DESCRIPTION
Experience: 4-8 years
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. - 4-8 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.
Java Developer – Job Description
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. - 5 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 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.
Key Responsibilities
- Lead software development teams across all phases of the SDLC
- Provide technical leadership in coding, debugging, and system integration
- Define system scope, objectives, and technical solutions
- Act as primary technical point of contact for stakeholders
- Develop technical specifications, code, and testing strategies
- Manage change control, issue resolution, and release activities
- Ensure adherence to coding standards and security practices
- Design and implement REST API-based integration solutions
- Conduct code reviews and quality assurance checks
- Identify and mitigate technical risks
- Mentor developers and provide technical guidance
- Maintain documentation for development and testing
- Collaborate across teams to improve processes
- Stay updated with emerging technologies and industry trends
Knowledge / Skills
- Strong programming skills in JavaScript, Java, and Node.js
- Experience with Auth0 (Rules, Actions, MFA, Management API)
- Experience with AWS (Lambda, API Gateway, IAM, CloudFormation)
- Knowledge of Infrastructure as Code (CloudFormation/Terraform)
- Strong REST API design and integration expertise
- Understanding of IAM protocols (OAuth2, OIDC, SAML, JWT, PKCE)
- Experience with CI/CD pipelines using Git
- Strong analytical and problem-solving skills
- Excellent communication and leadership abilities
Education and Experience
- Bachelor’s degree in Computer Science or a related field
- 8–10 years of software development experience
- Experience leading development teams
- Experience in Agile/Scrum environments
🔹 Job Title: Full Stack Java Developer
🔹 Experience: 4 to 6 Years
🔹 Location: Gurugram (Hybrid)
📝 Job Description:
Deqode is hiring a skilled Full Stack Java Developer to join our team of technology experts building scalable, enterprise-grade systems. We’re looking for passionate developers who thrive in fast-paced environments and love solving real-world challenges.
Key Responsibilities:
- Design, develop, and deploy scalable Java-based microservices using Spring Boot.
- Develop front-end components using any modern JavaScript framework.
- Build robust APIs and integrate third-party services.
- Work with Quarkus to enhance Java runtime performance (preferred).
- Implement containerized services using Kubernetes and manage deployments.
- Ensure clean, testable, and maintainable code in an Agile environment.
- Collaborate with cross-functional teams to define and deliver high-quality products.
Must-Have Skills:
- 4–6 years of hands-on experience in Java and Spring Boot
- Proven experience in building and deploying Microservices
- Experience with Kubernetes and Kafka
- Proficiency in any modern frontend framework (React, Angular, etc.)
- Exposure to Quarkus is a strong plus
- Strong understanding of API design and RESTful services
- Excellent problem-solving and communication skills
Job Description:
Minimum 3+ years of experience
Java, OOPS, Data structure, Design Patterns, Multithreading, Spring, Hibernate, Java Script based technology, knowledge of J2EE, PL - SQL..
Core Java Topics including Language Features, Architecture.
OOP Concepts in depth with real time scenarios
Understandings of special Keywords and their applicability as well as advantages and
disadvantages - Like static, final, this, super etc. static should be in depth
Singleton class, Serialization, Cloning, Anonymous Inner class concepts.
In depth concept of Dynamic and static polymorphism & Multiple Inheritance issue/ resolve.
Concepts on String, Exception Handling, Array etc.
Java SE 8 and 9 Features: Functional Inheritance, Lambda Expression, default and static method
etc.
Collection Classes in detail along with the internal data structure and working principle.
Multithreading concept. Concept on ConcurrentHashMap etc.
Analysis of Algorithm - Time Complexity – Big O Calculation
Code Optimizing techniques, Different Algorithm designs and strategies.
Design patterns in Java
Different Sorting & Searching Algo with their Time complexity analysis
Problem solving using Hackerrank or similar sites, with focus on Arrays, Linked Lists, Hash Maps,
Trees, Balanced Trees, Stacks, Queues, Strings , Big Number , Data Structures, Object Oriented
Programming
Exception Handling – Advanced, Sorting, Search, Recursion, Graph Theory.
Note: Core Java + PL/SQL (Unix will be add on)
Your Responsibilities would be to:
- Architect new and optimize existing software codebases and systems used to crawl, launch, run, and monitor the Anakin family of app crawlers
- Deeply own the lifecycle of software, including rolling out to operations, managing configurations, maintaining and upgrading, and supporting end-users
- Configure and optimize the automated testing and deployment systems used to maintain over 1000+ crawlers across the company
- Analyze data and bugs that require in-depth investigations
- Interface directly with external customers including managing relationships and steering requirements
Basic Qualifications:
- Extremely effective, self-driven builder
- 2+ years of experience as a backend software engineer
- 2+ years of experience with Python
- 2+ years of experience with AWS services such as EC2, S3, Lambda, etc.
- Should have managed a team of software engineers
- Deep experience with network debugging across all OSI layers (Wireshark)
- Knowledge of networks or/and cybersecurity
Preferred Skills and Experience
- Broad understanding of the landscape of software engineering design patterns and principles
- Ability to work quickly and accurately in a highly stressful environment during removing bugs in run-time within minutes
- Excellent communicator, both written and verbal
Additional Requirements
- Must be available to work extended hours and weekends when needed to meet critical deadlines
- Must have an aversion to politics and BS. Should let his/her work speak for him/her.
- Must be comfortable with uncertainty. In almost all the cases, your job will be to figure it out.
- Must not be bounded to comfort zone. Often, you will need to challenge yourself to go above and beyond.
- A hands-on application developer who is passionate about Java development, building highly scalable and resilient applications, and focused on solving complex business problems
- He/She will have responsibility for unit-level design, coding, unit testing, integration testing, and participating in the full SDLC
- He/She will be expected to produce high-quality code that can pass critical peer review, and to work under a high-pressure and timeline-driven environment.
- Actively participate in development along with team members in creating modules & systems that can be treated as a working reflection of the best practices
Qualifications
- Bachelor’s degree or higher in Computer Science or Engineering equivalent
- Minimum of 3 years’ experience in Java development
- Responsible, organized and possess critical thinking with good interpersonal and communication skills
- Able to demonstrate good analytical problem-solving abilities and strong leadership aptitude
- Able to work at both abstract and detailed level
- Must be fluent in English, and strong communication skills.
- Motivated self-starter that likes to work as part of a team
Technical Requirements
- Strong experience in Core Java 8 and above, Collections and Data structures.
- Develop solutions using core java, Spring / Spring Boot, JSON, Rest API and other web technologies
- Hands on with UI development with strong experience in HTML5, JavaScript, CSS3, Responsive UIs. Added advantage for exposure to Angular. Knowledge on Liferay will be added advantage. Ability to design and develop UIs and end to end integration.
- Object oriented analysis and design using common design patterns
- Excellent knowledge of Relational Databases, SQL and ORM technologies (Hibernate and Mybatis)
- Strong knowledge of test-driven development and continuous integration
- Preference towards candidates having excellent Java multi-threading skills
- Passion for collaboration and working on agile teams
- Develop and Consume Web Services using REST.
- Enforcing and Writing code following good standards (well documented with good code coverage and properly tested code)
About the job
Job Description
We are looking for a Back-End Engineer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your coworkers into the application. A basic understanding of front-end technologies is therefore necessary as well.
Responsibilities
- Develop and Maintain REST API's
- Integration of user-facing elements developed by front-end developers with server-side logic
- Building reusable code and libraries for future use
- Optimization of the application for maximum speed and scalability
- Implementation of security and data protection
- Design and implementation of data storage solutions
- Follow and encourage Test-Driven Development (TDD) Approach
Skills And Qualifications
- Strong foundation and knowledge about Object-Oriented Design Principles
- Champion of the TDD approach
- Implementing automated testing platforms and unit tests
- Proficient in Python programming language
- User authentication and authorization between multiple systems, servers, and environments
- Integration of multiple data sources and databases into one system
- Management of hosting environment, including database administration and scaling an application to support load changes
- Data migration, transformation, and scripting
- Outputting data in different formats
- Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
- Creating database schemas that represent and support business processes
- Proficient understanding of code versioning tools, such as Git
- Understanding accessibility and security compliance











