
Experience: 8-12 years
Location: Bangalore
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. - 8-12 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 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

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.
Connect with the team
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Job Title: Senior Software Engineer
Division/ Department: Technology
Reports to: Engineering Manager
Work Location: Noida
Desired Work Experience: 4+ years
Weekly Off: Saturday & Sunday
About Aakash Technology Innovation Lab
Are you passionate about transforming the field of education as we know it?
The way education is imparted has been disrupted massively due to forces such as ed-tech digital revolution, the advancement in artificial intelligence technology and the pandemic. Given the rapid pace of transformation, the vision of the Technology Innovation Lab at Aakash is to make the education of the future a reality. The Technology Innovation Lab aims to leverage state-of-the-art technologies to develop industry-defining bleeding-edge solutions for a student-first world-class hybrid learning experience. This involves -
- Reimagining and conceptualizing how education will be imparted in the future in the omni-channel and immersive learning environment
- Building data platforms such as Power BI dashboards to facilitate students, parents, teachers and the business
- Creating applications to support the futuristic tech-enabled smart classrooms
- Conceptualizing and developing mobile and web applications for seamless customer experience
- Developing Internet of Things (IoT) driven integrations into applications to build futuristic learning experience
- Leveraging Artificial Intelligence (AI) and Machine Learning (ML) to identity interventions to boost student performance
If this excites you, we might have the perfect opportunity for you in the world’s most valued ed-tech company!
About Aakash - AESL
Aakash Educational Services Limited (AESL), commonly known as Aakash, is one of the most leading educational services institution providing comprehensive test preparatory services for students preparing for medical and engineering entrance examinations, school/board exams and competitive and scholarship exams such as NTSE, KVPY, and Olympiads.
AESL also partnered with Blackstone, a global investment management firm.
With more than 32 years of operational experience in the test preparatory coaching industry, the company has a pan India network of 220+ Aakash centres with an annual student base 2,50,000+ students and an employee count of more than 4700.
Purpose of the Role
Develop software solutions that enable the students, parents and teachers to have superior learning and teaching experiences, both inside and outside the classroom.
Key Responsibilities
- Develop state-of-the-art high performance and low latency software applications for mission critical systems
- Contribute in all the phases of the software development lifecycle
- Craft a well-designed, testable, efficient code
- Perform object-oriented analysis and design using common design patterns.
- Effectively and seamlessly manage communication with all stakeholders.
- Manage and provide live support to the developed applications
Qualification/ Experience
Must-Have Preferred
Education B.E / B.Tech Information Technology / Computer Science/ Information Science
- Experience 4+ years of hands-on experience in designing and developing applications using Java EE, Spring, Spring MVC, Spring Boot Frameworks
- Experience with test-driven development
- Experience with relational databases (MySql, Oracle, Postgres) or NoSql Databases (Cassandra, MongoDb, CouchDb) .
- Agile programming (Sprint, Scrum) experience
- Skills Understands version control branching strategies
- Understands different major language paradigms (object oriented /functional /reactive)
- Understanding and some experience in programming with AWS SDK
- Knowledge of Kafka and Redis
Competencies
Behavioral Competencies Level Functional Competencies Level
1 Team Player Written and Verbal Communication
2
What We Offer
As a technology professional in Aakash Technology Innovation Lab we offer you an opportunity to -
- Become a pioneer of the education of the future by reimagining and building innovative solutions for the ed-tech industry leading hybrid learning experience
- Be a force of technological disruption as a part of a passionate and high growth team on an exciting endeavor to transform the education industry
- Belong to an upbeat, flexible and relaxed work culture with a specific focus on collaboration
- Craft an excellent career at Aakash through a broad realm of career tracks and opportunities
- Excel in your chosen stream and become a renowned technologist in the ed-tech industry with heavy investment from the business into your learning, exposure and growth
- Have a highly competitive compensation and benefits package
Responsibilities:
Design, develop and maintain software applications using Java programming language
Write well-designed, testable, efficient code
Collaborate with cross-functional teams to identify, prioritize and execute tasks in a timely manner
Troubleshoot and debug software issues
Ensure software quality by performing thorough testing and code reviews
Keep up-to-date with new technologies and programming languages
Participate in the full software development lifecycle, including planning, designing, coding, testing, and deploying software
Document software development processes, procedures and code changes
Provide technical guidance to team members
Requirements:
Bachelor's degree in Computer Science or related field
Minimum of 3 years of experience in Java development
Strong knowledge of Java programming language and related frameworks (Spring, Hibernate, etc.)
Proficient in using development tools (Eclipse, IntelliJ IDEA, etc.)
Experience with relational databases (Oracle, MySQL, etc.)
Familiarity with software development methodologies (Agile, Scrum, etc.)
Excellent problem-solving and analytical skills
Strong communication and teamwork skills
Preferred Qualifications:
Master's degree in Computer Science or related field
Experience with microservices architecture
Familiarity with front-end technologies (HTML, CSS, JavaScript, etc.)
Knowledge of cloud computing platforms (AWS, Azure, etc.)
Experience with DevOps practices and tools (Jenkins, Docker, Kubernetes, etc.)
Job description
We are Virtual Internships, an EdTech startup on a mission to bridge the gap between education and the workplace by making internships accessible to all.
Over the last four years, we’ve established partnerships with 12,000+ companies, 100+ universities, and supported thousands of students and graduates in becoming more employable via our online work experience product.
We are a team of 130+ across 25+ countries, and recently https://techcrunch.com/2022/09/14/virtual-internships-matches-students-with-top-companies-around-the-world/">secured our Series A funding from investors such as Hambro Perks, Sequoia Capital, Kaplan, Arsenal Growth, and Ascend Vietnam Ventures - who have collectively guided the likes of Google, Linkedin, WhatsApp, Canva, Udemy, and Applyboard.
Our 2022 awards include:
-
Ranked 23rd out of 13,000 organizations in https://www.escapethecity.org/escape100/2022?utm_source=media_kit&utm_medium=blogpr&utm_campaign=esc100_2022&utm_id=launch">The Escape 100: the top purposeful organisations to ‘escape’ to in 2022
-
https://www.techinasia.com/50-rising-startups-southeast-asia">Tech in Asia’s “Top 50 Rising Startups” (No.6 in Vietnam)
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Top100 EdTechStartup Selected by https://www.holoniq.com/notes/holoniq-europe-edtech-100/">HolonIQ
-
Finalist for https://www.businessleader.co.uk/gotech-awards-22-finalists/">Go:Tech Awards
Your Role
Become one of our new Senior Software Engineers, where you will play a role in building an enterprise-level WordPress platform. If you want to work in a flexible environment where you can own technology, strategies, design, and build new systems from scratch using the tools YOU choose, read on!
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Work with the Marketing team to conduct a plan for building the website and scale-up plan yearly.
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Development/Deployment of enterprise-level WordPress plugins and themes in a WordPress VIP multi-site environment.
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Building and collaborating with developers from other teams to create modular, extensible PHP and JS solutions (plugins, packages, blocks, and components).
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To create own themes based on requirements from HTML scratch.
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Local Development Environment Setup/Configuration.
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Theme and Plugin Security.
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Understanding of best standards and guidelines about WordPress.org.
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Ability to handle complex problems from design to execution and deliver in time bound manner under constraints.
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Autonomously architect, prototype, and maintain solutions to different problems.
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Comfortable wearing many hats and willing to work on all parts of the stack.
Your Impact
In your first month, you will:
-
Get onboarded and brought up to speed with all things VI - our company structure, product, mission, and values
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Meet with colleagues across the company and start building relationships that will help you better understand the company
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Review our current programs, systems, and data so you can gain insight into where we currently are
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Take over our new WordPress website which is in setting phase
Within 3 months, you will:
-
Take ownership of your role and started working directly with stakeholders.
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Have strong relationships with our external vendors and be the front line of people support for the company
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Deliver 1st version of the new website.
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Coordinate with analysis to set up Google Analytics and other tools.
Within 6 months, you will:
-
Work with the Marketing team to maintain, and improvement by the analyst result of the new website.
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Be a strong technical advisor for the marketing team about SEO/other Google and WordPress technologies.
Job Requirements
-
A Bachelor’s degree is preferred.
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Extensive experience in writing and building PHP applications at scale using object-oriented coding, namespace, autoloading, dependency injection, PHPCS, Psalm, PHPUnits etc., as well as interacting with REST API/ GraphQL
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Familiarity with WordPress development (multisite, configuration, parent/child themes, plugins, Gutenberg) and understanding of security concerns and site optimization for performance.
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Possesses an understanding of and commitment to web standards, including web accessibility standards (WCAG)
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Familiarity with package managers for PHP (Composer) and JS (NPM/Yarn)
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Familiarity with PSR specifications
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Previous working experience with Code versioning and code review
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Previous working experience with Docker, Git, and dependency management via Composer
Consider this our wish list. We know there will be great candidates that don't meet every one of these criteria—if you're passionate about the role and have early-stage startup experience, we'd still love to hear from you.
What do we offer?
One of our core values at Virtual Internships is transparency. That’s why, we’re allowing you to ‘try before you apply’ in our “https://www.notion.so/virtualinternship/Virtual-Internships-VI-P-GUIDE-0aaa39e9a3304d4cbc19fad96bd0c72d">VI-P Guide” which includes our values, how we operate, how we build our packages, and how we interview.
To give you an example of some of our perks and benefits:
-
Flexible Working Hours - start earlier, leave earlier, take a shorter lunch or leave a bit later, it's totally up to you.
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Remote First - work from anywhere, with a budget to support your remote setup
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Learn from the world’s best - access to exclusive content including how-to guides and playbooks from Sequoia/500Global-backed organizations
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Professional Development Budget - dedicated budget towards content/platforms/courses that can contribute to your professional growth
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Impact - we’re still at an early stage, so your impact is magnified. You will likely be solving something that hasn’t already been solved or you will be taking something to an entirely new level!
-
Birthday Leave - go enjoy yourself on your birthday without needing to use your annual leave
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Meritocracy - a culture that prides itself on internal promotions and meritocracy. The majority of our managerial team has risen up (quickly), including our COO, CAO, CFO, Head of Host Companies, and Head of Intern Experience.
Key Responsibilities:
• Should have hands-on experience with Java
• Strong experience in Spring Boot, Micro Services
• Should be well versed with Agile Development methodologies
• Should have strong debugging and communication skill
• Should participate in design discussions and provide application designs, architecture, timeline estimations
• Problem-solving mind and attitude
• Ability to interface well with externally facing departments and directly with customers
• Effective communication skills – written, spoken, listening, and presentation
• Great Team player and experience working with global teams and global organizations Genuine interest in learning and knowledge sharing
Primary Skills:
• 2 years of Spring Boot and Microservices.
• 3+ years of experience in Core Java.
• Proficiency with Spring Framework.
• Innovate new approaches algorithms, libraries, tools, platforms, for relevant development areas
• Strong programming skills in Core JAVA / J2EE expert level
• Good at data structures, algorithms, problem-solving, and design patterns
• Knowledge of Web Services, Spring, ORM Frameworks, Spring Boot, Spring Cloud Gateway, OAuth2.0, Spring Security, JWT, Eureka, Hystrix, Apache Cassandra
• Should be well familiar with SQL/NO-SQL database
• Knowledge of Spring Batch, Kubernetes, Docker is a plus point
About the role:
We are looking for an experienced Software Development Engineer II (SDE2) to help deliver high visibility and impact features for the ChakraHQ Platform. ChakraHQ Platform is the world's first Omnichannel Process Automation Platform. Imagine AWS but for operations and business teams; built on cutting edge technology stacks, to solve problems for modern businesses.
Technology specialists at ChakraHQ are at the core of the company's decisions and vision. As an SDE2, you will contribute to the design and development of the core technology stack of the ChakraHQ Platform. Working closely with Engineering, Product Management, Sales and Customer Success you will take ownership to develop features, plugins and custom fixes that will materially impact customer’s and ChakraHQ’s business. You will also be responsible for maintaining a streamlined build and CI/CD system. You will help coordinate the incorporation of upstream features into the ChakraHQ Platform.
Technologies you will work with: NodeJs, PostgreSQL, Serverless, Elasticsearch, Kibana, AWS, Google Cloud
Responsibilities:
- Design, develop and maintain features, services, products that are part of ChakraHQ
- Own delivery of said features and services
- Own success of the products by tracking its lifecycle with customers
- Build systems that scale horizontally
- Write automated tests to ensure code quality
- Work with customers to build a product roadmap
- Work with sales & marketing to sell your product to end-users
- Work as an integral part of an agile software development team to build features end-to-end
- Support those features in the ChakraHQ production environment by participating in an on-call rotation
Position Requirements:
- Bachelor's degree in Computer Science.
- 3+ years of experience working on teams to develop and deploy web or mobile applications
- Extensive experience in any one backend programming language - Java, NodeJS
- A solid foundation in computer science, with strong competencies in data structures, algorithms, and software design
- Experience in building highly scalable business applications, which involve implementing large complex business flows and dealing with huge amounts of data.
- Proficiency with git and Github workflows
- Expertise with test-driven development and automated testing
- Excellent analytical and problem-solving skills
- Excellent communication skills and fluent English
- Open to learn and work on new technologies
We are looking for Tech geeks having hands-on experience and in love with building scalable, distributed and large web/mobile products and tech solutions. He/She must be an excellent problem solver with passion to self-learn and implement web technologies (frontend + backend). He/She would be responsible for the architecture design, code review, and technology build and deployment activities of the product.
Required Skills :
1. Experience in Core Java, Hibernate, Spring, SQL.
2. Hands-on experience with, Collections, Algorithms, Problem Solving.
3. Knowledge of repository tools such as GitHub.
4. Willing to work on additional tasks and responsibilities that will contribute towards team, department, and company goals.4. Work collaboratively within a team of other engineers.
5. Good programming and debugging skills.
Benefits :
> Health Insurance
> Work from Home
> Fast growth and more visibility into the company
> Experience to work on the latest technology
> Competitive Learning Environment with supportive co-workers
> Employee friendly HR Policies
> Paid leaves up to certain limits
> Competitive salaries & Bonuses
> Liberal working atmosphere
> Get mentored by the best in the industry
Work Schedule:
Day Shift/Flexible working hours
Monday to Friday
Someone from the product based/Fintech
Immediate Joining or Notice Upto 30 Days
WFH
Roles & Responsibilities:
● Invent, design and build software that is stable and performant
● Primary role will be quality and timely delivery of the application/ feature/ module your team
will be working on
● Adopt and execute good design philosophy and code writing practices
● Ensure the code goes through rigorous tests and quality checks before deployment
● Work with other software engineers and database engineers to set excellent development
practices and deliver innovative changes in new and existing products
● Be hands-on technical, thus, leading by example using web, mobile and database
technologies
● Work on project ideas with customers, stakeholders and peers
● Be actively involved in code review process, design discussions, team planning
Minimum Qualifications:
● Bachelor's degree in Computer Science, Software Engineering, or a related technical
discipline
● 3-6 Years of Experience
● Expertise in software design and development
● Proficiency with at least one Object Oriented language (e.g. Java)
● Have knowledge about Computer Science fundamentals in object-oriented design, data
structures, algorithm design, problem-solving, and complexity analysis
● A strong track record of project delivery for large, cross-functional projects
● Experience with building high-performance, highly available and scalable distributed systems
● Experience with API Design, ability to architect and implement an intuitive customer and
third-party integration story
● Ability to think and analyse both breadthwise (client, server, DB, control flow) and depth-wise
(threads, sessions, space-time complexity) while designing and implementing services
- 0 to 2 years of experience into Java 6/7/8, J2EE, EJB, Servlets, JSP, JDBC, LOG4J, SQL, PL/SQL, XML, XSLT, JSON,
- Good to have strong experience in Core Java SpringBoot, Spring framework
- knowledge of Spring MVC, Spring REST, JDBC Templates
- Knowledge of Java/J2EE Design patterns
- knowledge of implementation of WebServices like REST will be added advantage
- Good knowledge of Relational Databases like MySQL, PostgreSQL, MS SQL Server with complex SQL Queries, Stored Procedure, Triggers
- Knowledge of Unit Test Cases is added advantage
- Knowledge of build tools like Maven, Gradle, Ant
- Knowledge of any one or more of MongoDB, Cassandra, Neo4J, Redis, Kafka, ActiveMQ, Caches, Microservices will be a major plus
- Good to have knowledge of ORM like Hibernate
- Knowledge and experience in nodejs backend will be added advantage
Requirements :
- Must be a good team player and self-motivated Individual
- Very Strong analytical abilities and interpersonal skills
- Strong verbal and written communication skills with other developers and business clients
- High commitment levels
Building highly-scalable and secure payments platform
Primary owners of one or more components of the platform and will drive
innovation in your area of ownership
Working with various product teams gathering requirements and adding capabilities
Working with some of the smartest people in the industry and will have ample
opportunity to learn and grow
Using cutting-edge cryptography to secure payments beyond industry standards
Deriving actionable insights by mining TBs of data
Building low-level infrastructure that aims to push the boundaries of network
performance
Participating actively in recruitment and nurturing of engineers as awesome as you.
What do we look for?
If you spend time cracking NP hard problems rather than cracking nuts, you are the
most laziest person and automates everything, you appreciate beauty of code
(bonus if you can sing “Finite simple group of order 2”), you should apply in t=0
Good understanding of Databases
Good understanding of networking (especially with HTTP)
Good understanding of OS concepts
2-4 years of experience
Should have hands on development experience with Object Oriented Programming
(Java is highly preferred) on a large scale system
Understands and showcase ownership of the products
Good with concepts of scaling and worked with distributed systems
Review and influence new evolving design, architecture, standards and methods
with stability, maintainability and scale in mind
Identify patterns and provide solutions to class of problems
Research, evaluate and socialize new tools, technologies, and techniques to improve
the value of the system
Be able to multi-task, prioritize and handle dependencies with minimal oversight
- 2+ years of experience building REST APIs with Java
- 1+ years of experience in maintaining REST APIs documentation.
- 2+ years of experience programming and delivering in a production environment
- Expertise working with data structures and algorithms
- Proficiency in object-oriented programming and experience applying modern design patterns.










