Java
Spring BootJava 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.
Shubham Vishwakarma
Full Stack Developer - Averlon
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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Job Summary
We are seeking an experienced Senior Java Developer with strong expertise in legacy system migration, server management, and deployment. The candidate will be responsible for maintaining, enhancing, and migrating an existing Java/JSF (PrimeFaces), EJB, REST API, and SQL Server-based application to a modern Spring Boot architecture. The role involves ensuring smooth production deployments, troubleshooting server issues, and optimizing the existing infrastructure.
Key Responsibilities
● Maintain & Enhance the existing Java, JSF (PrimeFaces), EJB, REST API, andSQL Server application.
● Migrate the legacy system to Spring Boot while ensuring minimal downtime.
● Manage deployments using Ansible, GlassFish/Payara, and deployer.sh scripts.
● Optimize and troubleshoot server performance (Apache, Payara, GlassFish).
● Handle XML file generation, email integrations, and REST API maintenance.
● Database management (SQL Server) including query optimization and schema updates.
● Collaborate with teams to ensure smooth transitions during migration.
● Automate CI/CD pipelines using Maven, Ansible, and shell scripts.
● Document migration steps, deployment processes, and system architecture.
Required Skills & Qualifications
● 8+ years of hands-on experience with Java, JSF (PrimeFaces), EJB, and REST APIs.
● Strong expertise in Spring Boot (migration experience from legacy Java is a must).
● Experience with Payara/GlassFish server management and deployment.
● Proficient in Apache, Ansible, and shell scripting (deployer.sh).
● Solid knowledge of SQL Server (queries, stored procedures, optimization).
● Familiarity with XML processing, email integrations, and Maven builds.
● Experience in production deployments, server troubleshooting, and performance tuning.
● Ability to work independently and lead migration efforts.
Preferred Skills
● Knowledge of microservices architecture (helpful for modernization).
● Familiarity with cloud platforms (AWS/Azure) is a plus.
NodeJS (Node.js)
JavascriptRole Overview
We are looking for an experienced Node.js Developer with deep expertise in backend engineering and related frameworks. The ideal candidate will be a strong problem solver, effective communicator, and proven mentor capable of leading development initiatives while ensuring code quality, scalability, and performance optimization.
Key Responsibilities
- Lead and contribute to multiple backend development projects ensuring high-quality delivery.
- Collaborate with business analysts, architects, and cross-functional teams to define technical specifications and gather requirements.
- Design and implement scalable, secure, and high-performance applications using Node.js and related frameworks.
- Develop detailed HLD (High-Level Design) and LLD (Low-Level Design) solutions.
- Mentor and guide junior developers, fostering knowledge sharing and growth.
- Participate in peer code reviews, ensuring adherence to best practices and coding standards.
- Optimize performance, concurrency, and scalability of applications.
- Implement CI/CD pipelines and ensure smooth deployment processes.
- Support and troubleshoot production issues, providing L3 support as required.
- Continuously research, evaluate, and integrate new technologies to improve applications and processes.
- Establish and enforce engineering best practices within the team.
- Actively participate in recruitment and talent-building initiatives.
Required Skills & Qualifications
- 5–10 years of strong professional experience in Node.js and frameworks like Express.js.
- Proficiency in MERN stack (preferred but must be heavy on Node.js).
- Strong understanding of multi-threading, concurrency, and performance optimization.
- Solid debugging, troubleshooting, and performance profiling expertise.
- Hands-on experience with source control systems (Git) and CI/CD environments.
- Familiarity with Agile methodologies (Scrum/Kanban).
- Strong knowledge of object-oriented and service-oriented application development.
- Excellent communication, leadership, and collaboration skills.
- Proven ability to work independently and in team settings with high ownership.
JavaSpring Boot- Experience in Core Java 5.0 and above, CXF, Spring.
- Extensive experience in developing enterprise-scale n-tier applications for 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 Experience into Microservices , Data structures , Oops , Algorithms, multithreading etc
- 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.
- Experience into High /Low level designing.
- 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.
JavaSpring BootLooking for Java Developer for Gurugram and Bangalore Location with 5+ years of experience win Java + Microservices , Multithreading , Spring boot , Kafka and any MQ Series
JavaSpring BootAbout - 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
JavaSpring BootWe are a digital transformation boutique with an elite group of software scientists. Our passion is to develop highly modular systems that scale seamlessly. We develop enterprise solutions involving data engineering, system integration, enterprise search & and analytics. Our clients like us for getting to the crux of the business problems and coming up with futuristic solution approaches with our design thinking.
Job description
Brevitaz Systems is looking for Java developers with deep knowledge of the Java ecosystem. We are looking for self-motivated engineers who are excited about building high-quality and high-performance software backends.
Here is what you will be doing on your journey with us.
What we offer
- Open, positive, and learning culture surrounded by helpful colleagues with a growth mindset
- Work with client teams consisting of decades of experience in various technologies & domains
- Best-in-industry salary standards
- 5 days work week
- Family health insurance cover
- No-politics and values-driven culture
- Occasional WorkFromHome even in non-COVID19 times
- Contribute to large-scale products used by Fortune 100 companies
- Opportunity to work on highly distributed systems
Must have
- Proactive and inherent nature of working with ownership
- Ability to understand and explain requirements clearly, and ask necessary questions to remove any ambiguity
- Strong core Java & OOP fundamentals
- Excellent communication skills
- Experience with complex SQLs and stored procedures (MySQL/Postgres/Oracle)
- Experience in taking decisions on high-level designs in distributed cloud backend systems
- Experience in working with one of the web frameworks (SpringBoot/Struts2)
- Experience in working with one ORM technology (JPA/Hibernate)
- Debugging & troubleshooting skills
- Ability to coach & mentor colleagues effectively
Roles and Responsibilities
- Actively participate in client calls for requirement grooming and designing
- Participate in design discussions with fellow team members and client
- Present groomed tickets and designs to team members for design discussion
- Performance optimization of existing use cases by understanding code, architecture, database design, and stored procedures
- Developing Java code, SQL, and stored procedures for new features and enhancements
- Ensure best practices of code reviews and defect-free deliveries
- Research new tools & technologies required for the project
Join hands with us to build intuitive products for our valued clients!
JavaSpring Boot
React.jsFrom booking a taxi to shopping to even finding a life-partner, technology today is
playing a role which is indistinguishable from magic. However, we are still stuck to
old means of teaching, operations and collaboration in education institutions which
directly impacts student experience as well as learning outcomes. We are
changing this. We are a platform, a philosophy, and a mission.
We are looking for great technologists to join the engineering team of our core
product which will be used by millions of students. Do you see delightful user
experiences and robust back-end engineering as two faces of the same coin? Do
you persevere to relentlessly improve your code till you are intrinsically satisfied? Do
you feel like an engineer and an artist when you deliver a final product? If yes, keep
on reading!
We are a data-driven software product company with a strong focus on delightful
design. While you put your experience and knowledge into practice, you can expect
yourself unlearning and learning new things every day. You will be part of a strong,
passionate, and high-velocity team of engineers that regularly launches big features
that make a significant impact to our offering.
You will be an important member of engineering team reporting to the founding team
with following responsibilities:
Design, architect and deliver our core product modules
Continuously improve and refactor the code-base
Measure and improve application performance, security and stability
Promote innovation, new technologies, and best practices
Review code of reporting engineers and continuously mentor them
Required Experience
4+ years of software development experience with strong concentration in
enterprise SaaS based technologies.
Required Technical Qualifications
Strong design and coding skills in Enterprise Java, REST web services and
JSON.
Deep knowledge of relational databases.
Deep knowledge of Test-driven Development (TDD) and Continuous
Integration (CI) / Continuous Deployment (CD)
Experience with AWS Cloud Computing Services or others.
Strong leadership, communication and teamwork skills.
Ability to work independently and make decisions under minimal supervision.
Laravel- Ability to write APIs including Restful APIs.
- Able to consume 3rd party API's
- Familiarity with SQL (MySQL, POSTGRESQL) and NoSQL(MongoDB) databases designing, query optimization techniques and their declarative query languages.
- Creating database schemas that represent and support business processes.
- User authentication and authorization between multiple systems, servers, and environments.
- Experience in Micro-services development will be an added advantage.
- Composer / NPM / Webpack.
- Laravel forge server deployment and management
- Laravel Dusk Testing
- PHP Unit Testing
- Good command of problem-solving and analytical skills.
- Must be technically strong in logical thinking
Addon Front-End Frameworks knowledge:
- Other Front-end frameworks like as Vue.js (Vue CLI, Vuex, Vue Router, and Nuxt.js).
- Proficiency in JavaScript and TypeScript programming.
- Aware about JavaScript basics and Modern JavaScript (ES6 – ES7 – ES8)
- Understanding of server-side rendering and its benefits and use cases
- Working knowledge of npm or Yarn
- Knowledge of Bootstrap, Framework 7
- Working knowledge of HTML5 code template and CSS3 styling (Sass or Less depending on your technology stack)
Addon Server knowledge will be added advantage:
- Proficient understanding of code versioning tools, such as GitHub, GitLab
- Working knowledge of cloud servers (AWS) related services and server administration like setting up
Apache/Nginx, php-fpm etc.. (Nice to have but not mandatory).
- Experience working with Docker (Nice to have but not mandatory)
- Experience with CI/CD tools and processes(Nice to have but not mandatory)
Go Programming (Golang)
Ruby on Rails (ROR)
Ruby
PostgreSQLhttps://www.alivecor.com/">AliveCor, the pioneer of the smartphone EKG, with millions of EKGs from a large and growing user base, seeks a Senior Software Engineer (Backend). You will be an integral member of our engineering team.
Responsibilities
- Software Engineer on the backend team working in the following environment: Go, Ruby on Rails, TDD/BDD with RSpec, PostgreSQL, Heroku, AWS.
- Responsible for developing industry-leading applications transforming the healthcare industry and consumers use.
- Work with our mobile and front-end teams to build new functionality in our consumer and clinician-facing applications.
- Work with our Data Science and AI team to improve functionality of our cloud algorithms and services.
- Create and maintain tools used by internal teams for customer service, monitoring, and R&D.
- Maintain and continuously improve our backend infrastructure to remedy technical limitations before they become an issue.
Qualifications and Skills
- Senior Software Engineer ready to build highly visible apps
- Engineers who can raise the skill level of their teammates
- Experience working with Go and Rails
- Experience implementing Service Oriented Architecture or Microservices
- Good intuition for weighing trade-offs
- Product instincts, work with our product and design teams to understand customer pain points, come up with solutions, and then prototype, iterate, and launch frequently
- Eagerness and willingness to learn new technologies
- Experience with build process automation and CI/CD
- Ability to work independently on projects and communicate with cross functional teams to deliver products on time
About Us
AliveCor is on a mission to define modern healthcare through data, design and disruption. We’ve pioneered the creation of FDA-cleared machine-learning techniques, transformed wearable medtech to put proactive heart care at everyone’s fingertips. Kardia is the most clinically validated mobile EKG technology. AliveCor was named as one of the Top 10 Most Innovative Companies in Health for 2017 by Fast Company as part of the publication’s annual ranking of the world’s Most Innovative Companies. AliveCor was awarded the 2015 Tech Pioneer by the World Economic Forum and one of the 50 Smartest Companies in 2015 by the MIT Technology Review. AliveCor recently announced a collaboration with Mayo Clinic that will result in new machine learning capabilities to unlock previously hidden health indicators in EKG data, potentially improving heart health as well as overall health care for a variety of conditions. AliveCor is a privately held company headquartered in Mountain View, CA.
AliveCor is an equal opportunity employer and will not discriminate against any employee or applicant on the basis of age, colour, disability, gender, national origin, race, religion, sexual orientation, or any other classification protected by federal, state, or local law.
Watch the following video demonstrating our product.
https://www.youtube.com/watch?v=8I9xosgA-Ig">https://www.youtube.com/watch?v=8I9xosgA-Ig
Java
Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon