
- Experience in Core Java, CXF, Spring.
- Experience in spring boot, microservices.
- Extensive experience in developing enterprise-scale n-tier applications for the financial domain. 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, preferably Sybase database
- Good knowledge of multi-threading and high volume server side development
- Experience in sales and trading platforms in investment banking/capital markets
- Basic working knowledge of Unix/Linux
- Excellent problem solving and coding skills in Java
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.

About Wissen Technology
About
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.
With offices in 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.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
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.
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Requirements
- Extensive and expert programming experience in at least one general programming language (e. g. Java, C, C++) & tech stack to write maintainable, scalable, unit-tested code.
- Experience with multi-threading and concurrency programming.
- Extensive experience in object-oriented design skills, knowledge of design patterns, and a huge passion and ability to design intuitive modules and class-level interfaces.
- Excellent coding skills - should be able to convert the design into code fluently.
- Knowledge of Test Driven Development. Good understanding of databases (e. g. MySQL) and NoSQL (e. g. HBase, Elasticsearch, Aerospike etc).
- Strong desire to solve complex and interesting real-world problems.
- Experience with full life cycle development in any programming language on a Linux platform. Go-getter attitude that reflects in energy and intent behind assigned tasks.
- Worked in a startup-like environment with high levels of ownership and commitment.
- BTech, MTech or Ph. D. in Computer Science or related technical discipline (or equivalent).
- Experience in building highly scalable business applications, which involve implementing large complex business flows and dealing with huge amounts of data.
- 3+ years of experience in the art of writing code and solving problems on a large scale.
- An open communicator who shares thoughts and opinions frequently listens intently and takes constructive feedback

Position of the role
The Principal Engineer reports to the Domain Lead and plays a key role in driving the technical vision, strategy, and execution of development initiatives. The Principal Engineer collaborates with multiple teams to ensure that software solutions are scalable, cost-optimized, performant, and aligned with business objectives.
Result expectation in terms of result areas and core activities
The Principal Engineer is responsible for defining, designing, and overseeing the implementation of complex software solutions. This role involves deep technical expertise, mentorship, and architectural guidance across multiple teams. The Principal Engineer also acts as a thought leader, influencing technology choices, best practices, and innovation within the organization.
Main objectives of the role
✔ Leading the design and architecture of the software by following best practices that ensure scalability, maintainability, cost optimization, and high performance.
✔ Driving innovation and continuous improvements in software development practices.
✔ Providing technical mentorship and coaching to engineers across teams.
✔ Ensuring the successful delivery of high-quality software aligned with business requirements.
✔ Defining and maintaining coding standards, best practices, and governance frameworks.
✔ Collaborating with product management and other stakeholders to shape the technical roadmap.
✔ Identifying technical debt and implementing strategies to mitigate it effectively.
✔ Promoting a culture of continuous learning, knowledge sharing, and cross-team collaboration.
✔ Leading DevOps, CI/CD, and automation to improve software delivery processes and efficiency.
Specialisation
✔ Deep understanding of software architecture, system design, and performance optimization.
✔ Translating complex business requirements into scalable and efficient software solutions.
✔ Handling large data transformations and ensuring system efficiency under the required load conditions.
✔ Leading initiatives for modernizing the technology stack and implementing best practices.
✔ Ensuring that security, scalability, and maintainability are embedded into development processes.
✔ Driving research and development efforts to explore emerging technologies and their business impact.
✔ Enabling teams to develop and maintain high-quality software through code reviews, architecture guidance, and technical strategy.
✔ Collaborating with product owners and stakeholders to ensure that development aligns with business goals and user needs.
Key processes in the role
✔ Agile / Scrum / Kanban development methodologies.
✔ CI/CD and DevOps practices to streamline delivery.
✔ Cloud-native architecture, monolith and microservices-based development.
✔ Scalable and high-performance computing strategies.
✔ Secure software development lifecycle (SDLC).
✔ Data-driven decision-making.
✔ Performance optimization.
Key relationships (teams and/or position titles)
✔ Engineering Teams (Developers, QA, DevOps).
✔ Head of Engineering and Technology Leadership.
✔ Product Management and Business Stakeholders.
✔ Customer Success and Solution Architects.
✔ External Technical Partners and Vendors.
Requirements
✔ Bachelor's or Master’s degree in Computer Science, Software Engineering, or a related field.
✔ 10+ years of experience in software development, with a proven track record .
✔ Strong experience in Python and modern software engineering practices.
✔ Expertise in cloud computing platforms (AWS, Azure, or GCP).
✔ Experience in architecting and developing scalable, high-performance applications.
✔ Hands-on experience with CI/CD pipelines, DevOps tools, and automation.
✔ Deep understanding of microservices, monolith, APIs, and distributed systems.
✔ Strong experience with database technologies, including SQL and NoSQL.
✔ Excellent communication and leadership skills, with the ability to influence technical decisions across teams.
✔ A passion for mentoring, coaching, and fostering a strong engineering culture.
✔ Experience in defining and implementing technical governance and best practices.
Competences
✔ Strategic Thinking - 4
✔ Analytical Problem Solving - 4
✔ Technical Leadership & Mentorship - 4
✔ Communication & Collaboration - 3
Measures of success
✔ Technical leadership impact - measurable improvements in code quality, architecture, and scalability.
✔ Delivery of high-quality software within agreed timelines and business requirements.
✔ Successful mentorship - improvement in team skill levels, problem-solving capabilities, and innovation.
✔ Reduction of technical debt through strategic refactoring and modernization.
✔ Engineering team satisfaction - based on feedback and collaboration effectiveness.
✔ Improvements in system performance, stability, cost-optimization, and security.
✔ Adoption of best practices and emerging technologies across teams.
✔ Contribution to company-wide strategic initiatives through technical innovation and leadership.



Develop server-side applications using NestJS and NodeJS.
. Should have great hands-on knowledge of TypeOrm.
• Design and implement APIs, web services, and database models.
• Collaborate with front-end developers and other team members to integrate user-facing elements with server-side logic.
• Optimize application performance for maximum speed and scalability.
• Implement security and data protection measures.
• Conduct thorough testing and debugging of applications.
• Troubleshoot and resolve issues, ensuring high application reliability.
• Stay up-to-date with emerging technologies and industry trends, and apply them to projects as necessary.
• Collaborate with team members, participate in code reviews, and provide constructive feedbacks.
• Follow best practices and coding standards to ensure high-quality and maintainable code..
Requirements:
• Bachelor's degree in Computer Science...

Who are we?
Whatfix is the #1 Digital Adoption Platform (DAP) for Enterprises. We are disrupting the way Learning, Training and Application Support content is consumed. We provide large enterprises with a SaaS platform that helps accelerate product adoption and reduce support & training efforts by providing contextual and step by step guidance inside any web application at the exact time a task is being performed. The product has redefined the way companies onboard, train, and provide support to users.
What sets us apart from the rest?
With over 100 of the Fortune 500 companies already onboard as customers, Whatfix has been named among the top 20 B2B tech companies alongside the likes of Adobe, PayPal, and Cisco.
With a YoY growth of 300%, we have also been recognized among the top 50 fastest growing SaaS companies worldwide in the SaaS 1000 list and as a Market Leader by Gartner in the Digital Adoption space.
We are pleased to have an Employee rating of 4.6 on Glassdoor and our Customer obsession can be seen in our reviews on platforms like G2 Crowd & Gartner Peer Insights.
The employees are happy, the customers are happy, but what about the investors? Take a look for yourself - Sequoia Capital || Stellaris || Cisco || Eight Roads || Helion Ventures
“Hustle Mode ON” is something we live by.
Our Team:
The Engineering team at Whatfix provides end to end engineering throughput that forms part of core platforms and services that drive Whatfix business.
Our team is responsible for creating the Customer Platform and everything around it be it Analytics, Infrastructure or Core Algorithms. The team owns and is responsible for all pieces that we design, build and support end to end for Whatfix product/ business.
Your Opportunity:
As part of the Core Engineering Team @Whatfix, you’ll have the opportunity to make a difference by being a part of the development team that builds future forward products. At Whatfix it’s all about scale. One of the key attributes of this job is that you are required to continuously innovate and apply technology to provide business 360 views of Whatfix customers.
Your Responsibility:
- Define architecture blueprints & take complete technical ownership of high-level design, tech stack, non-functional attributes of one or more components of various platforms
- Design, build, test and deploy cutting edge solutions at scale, impacting millions of customers worldwide
- Work closely with other architects in the team and ensure architectural consistency and technical excellence of the products and platforms
- Work with engineering teams in building high-quality and highly resilient scalable products and platforms at Whatfix
- Work with cross-functional teams to address all technical dependencies
- Drive some of the company-wide tech initiatives striving towards continuous technical excellence of our platforms
- Actively participate in technical innovations, external presentations, technical publications etc.
- Identify right open source tools to deliver product features by performing research, POC/Pilot and/or interacting with various open-source forums
- Deploy and monitor products on Cloud platforms
Our Ideal Candidate:
You have a deep interest and passion for technology. You love writing and owning code and enjoy working with people who will keep challenging you at every stage. You have strong problem solving, analytic, decision-making and excellent communication with interpersonal skills. You are self-driven and motivated with the desire to work in a fast-paced, results-driven agile environment with varied responsibilities.
Your Qualifications:
- 11+ years of experience as an Engineer
- Ability to work with teams in a collaborative and productive manner
- Strong computer science fundamentals in data structures and algorithms
- A self-motivated learner and builder with strong customer focus and obsession with quality
Must-Have:
- Strong Expertise in Backend Technologies- Java, Spring Boot, etc
- Expertise in working with AWS or other cloud infrastructures like Azure or Google Cloud, and using Infrastructure-as-Code tools
- Analyze Functional & Non-Functional requirements with effort estimation and deployment strategies
- Hands-on in Architecting and developing large scale applications
- Hands-on debugging skills
- Design for performance, scalability, fault tolerance and high availability
Good to have:
- Experience in Client-side technologies such as jQuery
- Experience in Front End Technologies is good to have (Javascript, React)
- Experience with Storage systems - NoSQL (Cassandra/MongoDB)
- Leveraging cutting edge technologies like Kubernetes, Docker, etc. to design and build new infrastructure features
Behavioural traits:
- Excellent communication and technical leadership skills
- Can-do attitude to take BIG problems by their horns and solve them
- Ability to inspire others & be a role model and mentor for upcoming engineers in the organization
- Entrepreneurial spirit to conceive ideas, turn challenges into opportunities and build products
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status
• Knowledge of Agile methodologies & best practices for the SDLC (including coding standards, code
reviews, source control management & build processes).
• Must have experience in designing Factories/API/Interfaces independently in Java
• Highly skilled in using OR Tools like Hibernate/Ebean.
• Must have a good understanding of relational databases (MySQL/Postgres), transactions, and indexing.
• Must be able to do performance optimization, and use multi-threading wherever possible.
• Experience with Kafka, Big Query, and ElasticSearch a plus.
• Drive test coverage and continuous delivery automation within the team.
• Experience with building highly available and scalable distributed systems a plus.
Preferred Qualifications:
• 3-4 Years of experience with a Bachelor’s/Master's degree in Computer Science, Math, or Related
technical domain from reputed organizations.
• Strong communication & mentoring skills

Job Title: Jr Software Engr Java
Experience: 2+ Years
CTC: 6-12 LPA
Location: Mumbai
Face-to-face interview at the office
What we want:
We are looking for someone who has has strong knowledge and 2+years’ of experience in Core Java, Spring MVC, Restful API, SOAP, Golang
What you will do:
•Developing REST APIs for the platform
•Developing & maintaining an UX Panel
•Integration with third party applications using APIs
•Design, Develop and execute performance tests to simulate traffic of large-scale events
•Analyse complex problems/issues in load tests, production servers, and identify the bottlenecks and optimize performance.
•Analyse usage patterns, and application behaviours and translate that into performance optimizations.
•Determine how to meet scalability requirements while ensuring reliability within a platform
•Design and maintain tools for reporting on performance metrics.
Detailed Requirements:
Excellent knowledge of Golang, Core Java, Spring MVC, Restful API,SOAP
Additional knowledge of Java internals, GO Lang, plus.
Experience in developing, optimizing and operating high traffic projects/websites is a plus.
Experience in using Java Profilers and performance engineering.
Experience in writing multithreaded web applications.
Good knowledge of basic Linux commands to debug system issues and limitations a must.
Experience in Agile/SCRUM is a big plus
Experience in hibernate and spring MVC framework is a plus.
Ability to manage multiple modules simultaneously
Ability to work under pressure & deal with people diplomatically
Should have experience of leading a team & a strong motivator
Strong academic record is a big plus.
As an SDE - III/IV (Backend), you will solve real-life complex problems and create compelling experiences for our users. In this role, you will ensure that the solutions and processes that we create are of the highest quality. And in doing so, you will champion a seamless app experience for all our users.
If you are confident about solving hard, interesting and UNIQUE problems, and creating an impact within an entrepreneurial environment, then you might just be our next SDE - III (Backend).
What will you do
- Collaborate with teams to develop and support the smooth 24x7 operation of our service.
- Create prototypes and proofs-of-concept for iterative development.
- Stay updated with emerging tech cultures and implement them in production systems.
- Develop scalable, long-term strategies to aid the company’s 10X growth.
- Ensure content quality and consistency of the brand.
- Reduce technical debt with quality coding
What you will need
- BTech degree in computer science or related field.
- 4-10 years of relevant work experience.
- Strong knowledge of any of the databases like MySQL, NoSQL, SQL Server, Oracle, PostgreSQL.
- Experience in Java and web technologies.
- Experience in scripting languages like Python, PHP, etc.
- Hands-on experience with systems that are asynchronous, RESTful and demand concurrency.
- Knowledge of best software engineering practices for all stages of software development life cycle

As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.
Top Skills
- You write high quality, maintainable, and robust code, often in Java or C++/C/Python/ROR/C#
- You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
- You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.
Roles & Responsibilities
- You solve problems at their root, stepping back to understand the broader context.
- You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
- You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
- You recognize and use design patterns to solve business problems.
- You understand how operating systems work, perform and scale.
- You continually align your work with Amazon’s business objectives and seek to deliver business value.
- You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
- You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
- You communicate clearly with your team and with other groups and listen effectively.
Skills & Experience
- Bachelors or Masters in Computer Science or relevant technical field.
- Experience in software development and full product life-cycle.
- Excellent programming skills in any object oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
- Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
- Proficiency in SQL and data modeling.

Roles and Responsibilities
Experience in full cycle implementation of software development projects using .NET 4.0 and above, C#, ADO.NET, ASP.NET, MVC / .Net Core
Experience in developing of Web API and RESTful web services. Experienced with client-side programming HTML, CSS, AJAX.
Experience with Entity frameworks and Dappers Programming skills on SQL Server with strong database design.
Desired Candidate Profile
1+ years of software development experience .Net Development, C#, ASP.Net MVC
Dot Net core expertise is a must
Strong working knowledge of SQL Server, C#, JavaScript and JQuery
Strong working knowledge of .NET MVC LATEST VERSION
Strong working knowledge of ENTITY FRAMEWORK
Excellent written and verbal interpersonal skills for coordinating across teams
Deep experience and expertise with designing, implementing, testing and deploying sophisticated .Net applications
Keenness to learn and master new technologies and techniques
Excellent software development skills with very sound logic
- Develop, maintain and support company
- Assist in technical specification and solution design documentation to address customer needs
- Ensure customer implementations are delivered to meet/exceed customer expectations
- Collaborate with cross-functional teams on project delivery, solution development, and deployment as needed
Requirements:
- 2+ years experience in a software development/consulting role, preferably in comprehensive eBusiness and Supply Chain Solutions
- 2+ years experience in Software Analysis, Design, and Development using J2EE technology stacks (Core Java, JSP, XML, Hibernate & Java scripts) and Oracle database (PL/SQL)
- 2+ years experience with the configuration and Installation of J2EE servers like Web logic, Web Sphere, and Oracle
- 2+ years experience with integration technology (knowledge of EAI and B2B tools)
- 2+ years working knowledge of UNIX system (Solaris and Linux)
- Exceptional verbal and written communications skills
- Excellent interpersonal & planning skills and cross-group coordination at all levels
- Bachelor Degree in Computer Science, or equivalent
- Willing to travel when needed.
Preferred (Optional) Skills:
- Supply-chain domain experience implementing and integrating Global Trade Management solutions
- Experience in the integration, deployment or support of an ERP, SCM, or similar systems from SA

