
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. - 6 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 clientfacing 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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Experience: 5 TO 8
Location: MUMBAI
Wissen Technology is now hiring for a Java Developer - MUMBAI 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 8 years
- Experience in Core Java and Spring Boot.
- Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
- Good development experience with RDBMS.
- Good knowledge of multi-threading and high-performance server-side development.
- Basic working knowledge of Unix/Linux.
- Excellent problem solving and coding skills.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
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.
Job Title: Lead Java Developer
Location: Bangalore
Experience: 8-12 years (only)
Job Overview:
We are looking for a highly experienced Java / Backend Developer with a strong background in investment banking/trading/brokerages to join our team. The ideal candidate will have extensive experience in developing front office and middle office systems which require high availability, high reliability and low latency/high throughput performance profiles.
Skills & Qualifications:
- 8 to 12 years of experience in Java development, with at least 4 years in the investment banking/financial services domain.
- Strong knowledge of Java, Spring Framework, RESTful web services.
- Hands-on experience with AWS Cloud and related services. Knowledge of Kubernetes is a plus.
- Solid experience with Kafka and/or messaging protocols.
- Familiarity with SQL databases (e.g., Postgres/Oracle).
- Strong problem-solving skills and ability to work in a team.
- Ability to understand and work with distributed systems / microservices architecture.
- Solid written and verbal communication skills to interface with other technology and business stakeholders.
oin us and be a part of a company that thrives on creativity, technology, and excellence.
CHANCE TO WORK WITH APPS WITH 10LAKH CONCURRENT USERS IN GAMING INDUSTRY
Role Description
- You are a champion at Code reviews and Unit/Mock/integration Tests
- You have a strong sense of ownership of what you design and deploy
- You provide strong technical mentorship to team members
- You are an excellent team player
- You continuously learn and improve
We are seeking a highly motivated and experienced Senior Java Software Engineer to join our team. In this role, you will lead and manage software development projects across diverse domains such as Gaming, Banking, Fintech, Fantasy Sports, IT, E-commerce, Logistics, Healthcare, and On-Demand Services. You will be responsible for ensuring the successful delivery of projects, meeting deadlines, and exceeding client expectations.
Skill Sets
- Excellent Programmer: in Java Intermediate (Collections, Polymorphism, Design Patterns) to Expert level (Annotations, Lambda, Streaming, Concurrency)
- Startup Experience: Proven ability to take extreme ownership of results, with a history of leaving a lasting impact on the business.
- Relevant Experience: At least 6-10 years of experience demonstrated the ability to develop resilient, high-performance, and scalable code tailored to application usage demands.
- Java Framework Expertise: Significant experience in designing and building Java microservices with VERT.X, SPRING BOOT, with proficiency in Java.
- REST API & GraphQL: Hands-on expertise in development API endpoints with RESTful & GraphQL approach, also non-REST frameworks like gRPC over Thrift or Protobuf Nuances of TCP, UDP, HTTP, HTTP2, SSL, Thorough understanding of designing distributed systems without single point of failures
- Cloud Proficiency: Strong understanding and hands-on experience of building applications deployed on the cloud using Google Cloud Platform or Amazon Web Services (AWS), Docker, and Kubernetes, Experience writing batch/cron jobs using Python and Shell scripting.
- Containerization & Orchestration: Experience with containerization technologies like Docker and orchestration tools like Kubernetes.
- Time & Space Complexity: if methods you write are in the traffic request path, you know how to avoid unacceptable time complexity & space complexity.
- Database Knowledge: Strong experience with Data Structures & Algorithms working with MongoDB, PostgreSQL, MySQL, Redis, ElasticSearch, and other similar databases, ability to choose the right data store for the given requirements Relational, Graph, Object, Document, Columnar, Key-Value. Experience with Redis, Memcache, EHCache, Hazelcast, Aerospike
- Messaging Systems: Proficiency in working with RabbitMQ, BullMQ & others
- Agile Practices: At least a few years of experience practicing the SCRUM framework, collaborating with scrum masters, product owners, and other stakeholders.
- Collaboration & Communication: A team player who thrives in a remote, collaborative environment.
- Communication Skills: Strong verbal and written communication skills.
- Solutions-Oriented: Comfortable with the fast pace of startup life and adept at finding solutions to challenges.
Responsibilities
- Scalable Architecture: Lead the design and development of scalable architecture to ensure efficient performance and reliability of web and mobile applications.
- Informed Decisions: Make informed architectural decisions that align with both current and future business needs.
- Security & Privacy: Ensure security and privacy considerations are integrated into the selection of solutions and coding of back-end services and API endpoints.
- Code Quality & High Standards: Uphold high standards of code quality through regular reviews, maintaining best practices in programming.
- Robust Testing: Implement robust testing strategies to ensure code reliability and performance.
- Backend Development: Design, develop, and deploy backend services and APIs using VERT.X, SPRING BOOT Java and AWS technologies.
- NoSQL Expertise: Effective schema design and data modeling for NoSQL databases, ideally MongoDB, including robust indexing strategies.
- Technical Debt Management: Monitor and control technical debt to ensure it does not compromise application scalability or performance.
- Task Planning: Collaborate with the PM and BA to plan and delegate tasks efficiently among backend team members, ensuring clear objectives and timelines.
- User Requirements: Support the PM, BA team in identifying and analyzing user requirements to ensure development aligns with user expectations and project scope.
- Systems Thinking: Apply systems thinking to align with broader business objectives.
- Autonomy: Get things done independently without supervision and without creating future issues.
- Simplicity: Strive for simplicity in solutions and code.
- Proactive Problem Solving: Fix problems, even those outside your immediate responsibility.
- Solution-Oriented: Focus on providing solutions to problems, not just writing code.
Life@Sciflare:
- An exciting & lively workplace gives you the chance to work in an environment where you may unleash your creativity and inventiveness to the best extent possible.
- Work in a collaborative setting where your cooperative team contributes new perspectives to your objectives and forges strong bonds.
- Growth mindset: You are nurtured through each stage of your professional advancement by learning and unlearning new things.
From 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.
ROLE AND RESPONSIBILITIES
• Involvement in the full software development life cycle within broadly defined parameters and
providing software solutions keeping into consideration, the software quality needs.
• Design and defining the interaction between the different component pieces.
• Write efficient code based on brief given by team lead.
• Fast prototyping of proof-of concept features / application based on brief.
• Develop and maintain new features on Java stack.
• Own the delivery of an entire piece of a system or application.
• Management and execution against project plans and delivery commitments.
• Work closely with the peers and Leads to develop the best technical design and approach for new
product development.
• Build software solutions for complex problems.
• Compliance with build/release and configuration management process.
• Responsibility to develop unit test cases for his/her project module.
QUALIFICATIONS AND EDUCATION REQUIREMENTS
WORK EXPERIENCE AND EDUCATIONAL BACKGROUND THAT A CANDIDATE SHOULD HAVE WHEN APPLYING FOR
POSITION
• 5+ years of proven experience as a Software Developer, Software Engineer or similar role
• Familiarity with Agile development methodologies
• B.E./ B.Tech. / M.E. / M.Tech. / M.S. in Computer Science, Electronics or a related field.
• Experience with software design and development in a test-driven environment
• Knowledge of coding languages (e.g. Java, JavaScript) and frameworks/systems
• Experience with databases (Oracle / Postgre) and Object-Relational Mapping (ORM) frameworks
• Ability to learn new languages and technologies
• Excellent communication skills
• Resourcefulness and troubleshooting aptitude
PREFERRED SKILLS
ADDITIONAL SKILLS OR EXPERIENCE THAT WOULD BE CONSIDERED FAVORABLE FOR A CANDIDATE WHO IS
APPLYING FOR THIS POSITION.
• Excited about the start-up company “experience”.
• BS/MS in Computer science preferred.
• Full project lifecycle experience.
• Strong oral and written communication skills.
Job Title -Senior Java Developers
Job Description - Backend Engineer - Lead (Java)
Mumbai, India | Engineering Team | Full-time
Are you passionate enough to be a crucial part of a highly analytical and scalable user engagement platform?
Are you ready learn new technologies and willing to step out of your comfort zone to explore and learn new skills?
If so, this is an opportunity for you to join a high-functioning team and make your mark on our organisation!
The Impact you will create:
- Build campaign generation services which can send app notifications at a speed of 10 million a minute
- Dashboards to show Real time key performance indicators to clients
- Develop complex user segmentation engines which creates segments on Terabytes of data within few seconds
- Building highly available & horizontally scalable platform services for ever growing data
- Use cloud based services like AWS Lambda for blazing fast throughput & auto scalability
- Work on complex analytics on terabytes of data like building Cohorts, Funnels, User path analysis, Recency Frequency & Monetary analysis at blazing speed
- You will build backend services and APIs to create scalable engineering systems.
- As an individual contributor, you will tackle some of our broadest technical challenges that requires deep technical knowledge, hands-on software development and seamless collaboration with all functions.
- You will envision and develop features that are highly reliable and fault tolerant to deliver a superior customer experience.
- Collaborating various highly-functional teams in the company to meet deliverables throughout the software development lifecycle.
- Identify and improvise areas of improvement through data insights and research.
What we look for?
- 5-9 years of experience in backend development and must have worked on Java/shell/Perl/python scripting.
- Solid understanding of engineering best practices, continuous integration, and incremental delivery.
- Strong analytical skills, debugging and troubleshooting skills, product line analysis.
- Follower of agile methodology (Sprint planning, working on JIRA, retrospective etc).
- Proficiency in usage of tools like Docker, Maven, Jenkins and knowledge on frameworks in Java like spring, spring boot, hibernate, JPA.
- Ability to design application modules using various concepts like object oriented, multi-threading, synchronization, caching, fault tolerance, sockets, various IPCs, database interfaces etc.
- Hands on experience on Redis, MySQL and streaming technologies like Kafka producer consumers and NoSQL databases like mongo dB/Cassandra.
- Knowledge about versioning like Git and deployment processes like CICD.
What’s in it for you?
- Immense growth, continuous learning and deliver the best to the top-notch brands
- Work with some of the most innovative brains
- Opportunity to explore your entrepreneurial mind-set
- Open culture where your creative bug gets activated.
If this sounds like a company you would like to be a part of, and a role you would thrive in, please don’t hold back from applying! We need your unique perspective for our continued innovation and success!
So let’s converse! Our inquisitive nature is all keen to know more about you.
Skills
JAVA, MONGO, Redis, Cassandra, Kafka, rabbitMQ
Signalling, interlocking system
• Participate in Requirement Analysis and Design activities
• Develop code, unit testing, integration testing
• Perform module integration and integration testing
• Prepare and review Test Reports
• Actively participate in technical meetings and share ideas clearly
• Manage a team of engineers and provide leadership with clear communication
• Good at documentation
• And any other project related activity assigned
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 aleadership skills.
Responsibilities
- Writing clean, high-quality, high-performance, maintainable code
- Develop and support software including applications, database integration, interfaces, and new functionality enhancements
- Coordinate cross-functionally to insure project meets business objectives and compliance standards
- Support test and deployment of new products and features
- Participate in code reviews
Qualifications
- 5+ years of relevant work experience
- Mandatory experience in building scalable microservices on nodejs platforms
- Expertise in Object Oriented Design, Database Design, Service architecture
- Experience with Agile or Scrum software development methodologies
- Ability to multi-task, organize, and prioritize work
We at Spiral Dev Apps are looking for a Android Developer who can lead the full project of android app, right from initializing the app from scratch and putting it on the Play store. Can do attitude in startup environment is a must Quality that we look for, You need to find answers on your own without handholding.
Skills Required:
• Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes.
• An Android app developer must be well-versed with the Java programming language.
• Strong knowledge of Android UI design principles, patterns, and best practices
• Having knowledge about offline storage, threading, and performance
Profile: Android Developer
Experience: 1 to 5 years
Immediate joiner preferred
Excellent Communication Skills
Good salary hike










