
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.

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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Roles and Responsibilities:
- Contribute in all phases of the development lifecycle
- Write well designed, testable, efficient code
- Ensure designs comply with specifications
- Prepare and produce releases of software components
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
- Ensure continual knowledge management
- Adherence to the organizational guidelines and processes
Skills /Competencies: a. Bachelor/Master’s degree with good experience in computer programming b.4+ years working experience in application development using Java
Essential Skills:
- Hands on experience in designing and developing applications using Java EE platforms
- Object Oriented analysis and design using common design patterns.
- Profound insight of Java and JEE internals (Data structure, Algorithm and time complexity, Memory Management, Transaction management etc)
- Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
- Experience in the Spring Framework
- Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC) and UI technology (Angular/React JS)
- Ability to operate independently while establishing strong working relationships with co-workers and cross-functional teams
- Strong organizational and prioritization skills
- Demonstrate critical attention to detail and deadlines, and are self-motivated
- Ability to adapt to changes in direction and priorities in a project and deadline-oriented environment
- Strong written and verbal English communication skills
- Problem-solving attitude
Preferred skills Good to have –
- Knowledge in any UI technology (Angular, React, JS)
- Intermediate level knowledge of Unix environment (User commands, not System Admin commands)
- Understanding of capital markets and middle/back office processes in the financial services space
The ideal candidate is a self-motivated, multi-tasker, and demonstrated team-player. You will be a lead developer responsible for the development of new software products and enhancements to existing products. You should excel in working with large-scale applications and frameworks and have outstanding communication and leadership skills.
Qualifications
- 2-4 years of relevant experience in developing complex enterprise applications using Java, Spring Boot, Message Queues ( like Apache Kafka, RabbitMQ, etc...),Multithreading, and SQL
- Ability to write high-quality code with speed
- Should have experience in building various end to end feature
- Product and startup background is preferred
- Have a good understanding of SDLC, Agile, and design patterns
- Have a working experience with Github and Jira tool
- Should be able to mentor and lead the team in fast-paced environments.
- High growth\Startup mindset
- Open Source contribution\Active Git profile big plus
- Interest in cloud security is a big plus
- Experience developing data center applications in cloud security, backup, and disaster
- recovery, is a big plus
- Knowledge of AWS\Azure is a big plus
Company Profile
App Innovation Technologies is leader in Mobile and Web based solutions development. With our extensive knowledge of this industry, our customers receive the edge needed to make their projects a true success. Our team of developers, analysts, designers, testers and project managers will complete projects on time to the agreed specifications with Mobile, Social, Cloud and Analytics’ expertise.
We also provide a caravan of web-based products and Software services. AIT is a reputed web/Software development company with its headquarters based at Coimbatore, India. We have a creative team of skilled professionals who have in depth knowledge in various technologies including open source technologies and Microsoft technologies to service our valuable clients. Please visit our website https://www.aitechindia.com for more details.
Job Description
We are looking for an iOS developer responsible for the development and maintenance of applications aimed at a range of iOS devices including mobile phones and tablet computers. Your primary focus will be development of iOS applications and their integration with back-end services. You will be working alongside other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and the creation of quality products is essential.
Responsibilities:
• Design and build applications for the iOS platform
• Ensure the performance, quality, and responsiveness of applications
• Collaborate with a team to define, design, and ship new features
• Identify and correct bottlenecks and fix bugs
• Help maintain code quality, organization, and automatization
Skills
• Proficient with Objective-C or Swift.
• Familiarity with RESTful APIs to connect iOS applications to back-end services
• Knowledge of other web technologies and UI/UX standards
• Understanding of Apple’s design principles and interface guidelines
• Knowledge of low-level C-based libraries is preferred
• Familiarity with cloud message APIs and push notifications
• Knack for benchmarking and optimization
• Proficient understanding of code versioning tools (such as Git, Mercurial or SVN)
• Familiarity with continuous integration
Education Qualification:
• Undergraduate in Engineering related to Computer Science and Information Technologies and Postgraduate in Computer Science
• Shouldn’t have Backlog or Arrear.
• Must have completed at least 3 month course.
• Should be an Analytical thinker and Self Motivator
- Building scalable, reliable, high-performing platforms
- Managing project priorities, deadlines, and deliverables
- Participating in the entire lifecycle including analysis, development, fixing and monitoring of issues on the assigned product lines
- Maintaining a high service levels in terms of security, performance, availability, and quality
- Establishing and implementing good development practices to create a top-class, results oriented engineering culture.
Requirements :
- 7 years - 10 years of solid hands on experience in J2EE & related technologies.
- Ability to think in terms of APIs all the time
- Hands on experience in object-oriented designs and principles.
- Hands on experience in data structures, algorithms & design patterns
- Hands on experience in server side, web architecture
- Working knowledge in Spring Framework
- Knowledge in data modeling and hands on experience with at least one RDBMS, MySQL is preferred.
- Knowledge on any of the scripting languages is desirable as you may need to write scripts Javascript, HTML or any front-end frameworks experience is desirable
- Understanding on NoSQL databases.
- You can extrapolate requirements from customers and product management and distinguish between what they need vs. what they want?
- You are always on the lookout for adding configurability and extensibility to your design.
- You cannot agree with not having ability to automatically test software.
- Usability of the solution keeps you awake at nights
Following are the things that we are looking for in our NodeJS developer:
- Full SDLC knowledge, preferably in an agile environment.
- Strong written and verbal communication skills. Strong critical thinking & problem solving skills.
- Understanding of Unix / Linux based systems.
- Hands-on exposure to deeply linked relational databases – preferably in MySQL
- Ability to take a feature or product through the full Software Development Life Cycle.
- Strong communication skills, including the ability to both collaborate well and also the ability to convey technical ideas and concepts to non-technical stakeholders.
- Identify the interaction needs and how the API. must be developed based on design comps, product specs, etc.
- Continuously evaluate and implement new technologies to maximize development efficiency.
- Address and prioritize production level bugs and application performance improvements.
- An adaptable attitude and understanding of the agile methodology.
- Unit-test code for robustness, including edge cases, usability, and general reliability.
- Collaborate with cross-functional teams to define, design, and release new features.
We are looking for a Backend Developer to join our new team over a WFH role to join immediately.
We have an exciting opportunity on our team for a strong member with exceptional development skills in the field of Backend and Cloud Computing. The primary responsibility of the Software Researcher / Engineer is to develop and improve the backend. The candidate must have a deep understanding of AI model deployment with scalability and proper knowledge of cloud services (GCP, AWS). Additional knowledge on REST Api, socket programming and live streaming is preferred. Qualified candidates will be driven self-starters, robust thinkers, strong collaborators, and adept at operating in a highly dynamic environment. We look for colleagues who are passionate about our product and embody our start-up values.
Responsibilities and Duties
Responsibilities
Knowledge of WSGI, ASGI server development.
Experienced with
Deep understanding of Django, Flask, HTML rendering, Javascripts, Angular.
Dynamic and interactive web application development.
Pytorch and Tensorflow based model deployment and maintain scalability.
Exposure to live streaming and socket programming.
Understanding of Database Management.
Load balancing and queuing services on Cloud Instances.
API testing and deployment services.
Deployment and maintenance of Cloud services (GCP, AWS).
Working with edge devices.
Qualifications and Skills
Minimum Qualifications
2+ years of Full-Time (not internships or side projects) working experience in Backend Development targeted to product development.
Experience with video streaming via rtsp and ffmpeg is a must.
Experience leading engineering teams from first-concept to ship.
Computer vision algorithms on cloud: Research, architect, and implement high-performance computer vision software in the cloud with state-of-the-art capabilities.
Experience working with OpenCV.
Knowledge software optimization and embedded programming is a plus
Preferred Qualifications:
Experience in scalable cloud infrastructure development with AWS or GCP.
Experience in Edge infrastructure deployment
Education
B.Tech or MS in Computer Science or Electrical Engineering (with a minimum of 2+ years of relevant experience). Or B.tech with a strong product background.
- should have at least 5 years of hands-on experience in backend software development using Java.
- should have proven expertise in Spring Boot REST/Microservices.
- should have used design patterns like MVP, MVC or MVVM and should know when to use which.
- should have working experience with relational and NoSQL databases.
- should have multiple years of experience with cloud application design and in one or more reputable cloud platform providers (e.g. AWS, GCP, Microsoft Azure … )
- should have professional experience working in an agile development environment.
- should have strong communication skills and like making decisions.
- should follow good software engineering principles such as TDD, writing modular, maintainable and clean code
- 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.
We, the Products team at DataWeave, build data products that provide timely insights that are readily consumable and actionable, at scale. Our underpinnings are: scale, impact, engagement, and visibility. We help
businesses take data driven decisions everyday. We also give them insights for long term strategy. We are focused on creating value for our customers and help them succeed.
How we work
It's hard to tell what we love more, problems or solutions! Every day, we choose to address some of the hardest data problems that there are. We are in the business of making sense of messy public data on the web. At
serious scale! Read more on Become a DataWeaver
What do we offer?
- Opportunity to work on some of the most compelling data products that we are building for online retailers and brands.
- Ability to see the impact of your work and the value you are adding to our customers almost immediately.
- Opportunity to work on a variety of challenging problems and technologies to figure out what really excites you.
- A culture of openness. Fun work environment. A flat hierarchy. Organization wide visibility. Flexible working hours.
- Learning opportunities with courses, trainings, and tech conferences. Mentorship from seniors in the team.
- Last but not the least, competitive salary packages and fast paced growth opportunities.
Roles and Responsibilities:
● Build a low latency serving layer that powers DataWeave's Dashboards, Reports, and Analytics
functionality
● Build robust RESTful APIs that serve data and insights to DataWeave and other products
● Design user interaction workflows on our products and integrating them with data APIs
● Help stabilize and scale our existing systems. Help design the next generation systems.
● Scale our back end data and analytics pipeline to handle increasingly large amounts of data.
● Work closely with the Head of Products and UX designers to understand the product vision and design
philosophy
● Lead/be a part of all major tech decisions. Bring in best practices. Mentor younger team members and
interns.
● Constantly think scale, think automation. Measure everything. Optimize proactively.
● Be a tech thought leader. Add passion and vibrancy to the team. Push the envelope.
Skills and Requirements:
● 5-7 years of experience building and scaling APIs and web applications.
● Experience building and managing large scale data/analytics systems.
● Have a strong grasp of CS fundamentals and excellent problem solving abilities. Have a good understanding of software design principles and architectural best practices.
● Be passionate about writing code and have experience coding in multiple languages, including at least one scripting language, preferably Python.
● Be able to argue convincingly why feature X of language Y rocks/sucks, or why a certain design decision is right/wrong, and so on.
● Be a self-starter—someone who thrives in fast paced environments with minimal ‘management’.
● Have experience working with multiple storage and indexing technologies such as MySQL, Redis, MongoDB, Cassandra, Elastic.
● Good knowledge (including internals) of messaging systems such as Kafka and RabbitMQ.
● Use the command line like a pro. Be proficient in Git and other essential software development tools.
● Working knowledge of large-scale computational models such as MapReduce and Spark is a bonus.
● Exposure to one or more centralized logging, monitoring, and instrumentation tools, such as Kibana, Graylog, StatsD, Datadog etc.
● Working knowledge of building websites and apps. Good understanding of integration complexities and dependencies.
● Working knowledge linux server administration as well as the AWS ecosystem is desirable.
● It's a huge bonus if you have some personal projects (including open source contributions) that you work on during your spare time. Show off some of your projects you have hosted on GitHub.









