
JOB DESCRIPTION
Experience: 5-8 years
Location: Mumbai
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. - 5-8 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 2000+ 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.
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Job Description:
We are seeking a highly motivated and skilled Full Stack Java Developer with strong experience in backend and frontend development, cloud deployment, and modern DevOps practices. The ideal candidate will have a solid background in Java/J2EE technologies, hands-on experience in developing microservices on AWS, and a good understanding of CI/CD pipelines and monitoring tools.
Key Responsibilities:
- Design, develop, test, and maintain scalable web applications and microservices.
- Implement backend logic using Core Java, J2EE, Spring Boot, Spring Batch, JPA, and REST APIs.
- Build responsive UIs using React, HTML, CSS, and integrate them with backend services.
- Develop and deploy microservices using AWS services like ECS, EC2, S3, API Gateway, Aurora, ALB, and Route 53.
- Participate in Agile development processes, including sprint planning, stand-ups, and retrospectives.
- Write unit and integration tests using JUnit and Cucumber.
- Monitor application performance using APM tools and analyze logs using Splunk or similar tools.
- Implement CI/CD pipelines using Jenkins, Maven/Gradle, and Git/Bitbucket.
- Work with containerization and orchestration tools like Docker and Kubernetes.
- Collaborate with cross-functional teams using tools like JIRA and Confluence.
Required Skills & Experience:
- Strong hands-on experience in Java/J2EE application development.
- Proficiency in Spring frameworks (Spring Boot, Batch) and RESTful services.
- Frontend development experience with React, HTML, CSS.
- Solid experience with AWS cloud technologies and deployment practices.
- Experience in writing and maintaining automated tests with JUnit and Cucumber.
- Knowledge of APM tools and log analysis tools (e.g., Splunk).
- Familiarity with CI/CD pipelines and tools (Jenkins, Maven/Gradle, Git).
- Experience with Docker and Kubernetes.
- Excellent problem-solving, debugging, and analytical skills.
- Good communication skills and ability to work in Agile teams.
Preferred Qualifications:
- AWS certification is a plus.
- Experience with Amazon Aurora and API Gateway in production environments.
- Knowledge of SOA, messaging systems (e.g., MQ), and security best practices.
Position = Java Developer
We are looking forward to hire a committed Java Developer with experience in building high performing, scalable, enterprise-grade applications. You will be part of our Engineering team that works on mission-critical applications. You will be managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.
You are required to:
Contributing in all phases of the development lifecycle.
Write well designed, testable & efficient code.
Ensure designs are in compliance with specifications.
Prepare and produce releases of software components.
Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review.
Technical Skills required
Java, Springboot, Microservices, Data structures & Algorithms, MySQL, NoSQL, Mongodb and Hibernate.
OUR CURRENT STACK
Backend: Spring (JAVA), Laravel (PHP), MySQL, NoSQL, NGINX Plus.
Frontend: Angular 5+ Ngrx/store 5
Infrastructure: Google cloud platform (App engine, CloudSQL, BigQuery, PubSub, Firebase Hosting), Scrapy Cloud, Pusher.io (websockets), Getstream.io, Filestack, Postmark app, AS2 Gateway, Google Cloud Endpoints Framework, MongoDB, Algolia, Memcache
Tools: Gitlab, Postman app, JIRA. Wondering what your Responsibilities would be? Technical Skills required O
You are where our search ends, if you hold:
B. Tech/ M. Tech or corresponding degree
Experience in the same role of almost 1-6 years
Experience with connecting backend and frontend services.
Exposure to consuming data through different interfaces (Web API's/Socket/ REST/ RESTFUL/ JSON/ XML).
Proficiency in Data Structures and Algorithms.
Understanding of web markup, including HTML 5 CSS.
Understanding of client-side scripting and JavaScript frameworks.
Ability to write clean, reusable and well documented code.
Proficient understanding of code versioning tools, such as Git.
Knowledge of API authentication techniques (Token, JWT, OAuth2) - desirable but not mandatory. (Experience with API Design will be a plus)
Fair spoken and written English Flexibility - Things change around here. FAST!
Other Inter-personal skills like self-motivation, persistency, patience and eagerness to learn and work independently.
Job Title: Senior Java Developer - Experience: 4.5 + years
Roles and Responsibilities:
· Translate application storyboards and use cases into high-quality, efficient code.
· Design, develop, and maintain clean, reusable Java code.
· Take full ownership of modules, ensuring timely deployment to production.
· Optimize application performance, quality, and responsiveness.
· Identify and resolve bottlenecks, bugs, and technical issues.
· Maintain high standards of code quality, organization, and automation.
· Write well-structured, testable, and efficient code.
· Investigate new technologies and approaches, presenting them for architectural review.
· Participate in code reviews and provide constructive feedback to peers.
· Stay current with the latest technologies and trends.
Desired Candidate Profile:
· Strong proficiency in Core Java (OOP, Collections, Threads, Regular Expressions, Exception Handling).
· Solid understanding of object-oriented programming.
· Ability to write clean, readable Java code.
· Knowledge of scalable application design principles.
· Strong experience with Relational Databases, SQL, and ORM technologies (e.g., MySQL, Hibernate).
· Proficiency in software design and development using Java, J2EE, Spring Boot, Spring Security, and Hibernate.
· Experience with test-driven development.
· Familiarity with CI/CD processes for build and deployment.
Must-Have:
· Java 8/Java 11 experience.
· Expertise in the Spring Framework.
· Hands-on experience with relational databases (Oracle/MySQL/PostgreSQL/SQLServer).
· Proficiency in building scalable REST APIs (capable of handling 20k+ simultaneous users).
· Willingness to work with new technologies.
· Strong communication skills.
Nice to Have:
· Experience with React JS, and JavaScript framework.
· Microservices architecture knowledge.
· Familiarity with Redis, AWS S3, AWS Lambda, and NoSQL databases.
· CI/CD experience.
Brilworks will support your growth in these areas where necessary! :)
● You have good understanding of the fundamentals of data science/algorithms or
software engineering
● Preferably you should have done some project or internship related to the field
● Knowledge of SQL is a plus
● A deep desire to learn new things and be a part of a vibrant start-up. You will
have a lot of freehand and this comes with immense responsibility - so it is
expected that you will be willing to master new things that come along!
What you will get to do?
● Build cloud-based services and/or user interfaces
● Participating in all aspects of software development activities, including design,
coding, code review, unit testing, bug fixing, and code/API documentation
● Be the first few members of a growing technology team
About the Role
As a result of our rapid growth, we are looking for a Java Backend Engineer to join our existing Cloud Engineering team and take the lead in the design and development of several key initiatives of our existing Miko3 product line as well as our new product development initiatives.
Responsibilities
- Designing, developing and maintaining core system features, services and engines
- Collaborating with a cross functional team of the backend, Mobile application, AI, signal processing, robotics Engineers, Design, Content, and Linguistic Team to realize the requirements of a conversational social robotics platform which includes investigate design approaches, prototype new technology, and evaluate technical feasibility
- Ensure the developed backend infrastructure is optimized for scale and responsiveness
- Ensure best practices in design, development, security, monitoring, logging, and DevOps adhere to the execution of the project.
- Introducing new ideas, products, features by keeping track of the latest developments and industry trends
- Operating in an Agile/Scrum environment to deliver high quality software against aggressive schedules
Requirements
- Proficiency in distributed application development lifecycle (concepts of authentication/authorization, security, session management, load balancing, API gateway), programming techniques and tools (application of tested, proven development paradigms)
- Proficiency in working on Linux based Operating system.
- Proficiency in at least one server-side programming language like Java. Additional languages like Python and PHP are a plus
- Proficiency in at least one server-side framework like Servlets, Spring, java spark (Java).
- Proficient in using ORM/Data access frameworks like Hibernate,JPA with spring or other server-side frameworks.
- Proficiency in at least one data serialization framework: Apache Thrift, Google ProtoBuffs, Apache Avro,Google Json,JackSon etc.
- Proficiency in at least one of inter process communication frameworks WebSocket's, RPC, message queues, custom HTTP libraries/frameworks ( kryonet, RxJava ), etc.
- Proficiency in multithreaded programming and Concurrency concepts (Threads, Thread Pools, Futures, asynchronous programming).
- Experience defining system architectures and exploring technical feasibility tradeoffs (architecture, design patterns, reliability and scaling)
- Experience developing cloud software services and an understanding of design for scalability, performance and reliability
- Good understanding of networking and communication protocols, and proficiency in identification CPU, memory & I/O bottlenecks, solve read & write-heavy workloads.
- Proficiency is concepts of monolithic and microservice architectural paradigms.
- Proficiency in working on at least one of cloud hosting platforms like Amazon AWS, Google Cloud, Azure etc.
- Proficiency in at least one of database SQL, NO-SQL, Graph databases like MySQL, MongoDB, Orientdb
- Proficiency in at least one of testing frameworks or tools JMeter, Locusts, Taurus
- Proficiency in at least one RPC communication framework: Apache Thrift, GRPC is an added plus
- Proficiency in asynchronous libraries (RxJava), frameworks (Akka),Play,Vertx is an added plus
- Proficiency in functional programming ( Scala ) languages is an added plus
- Proficiency in working with NoSQL/graph databases is an added plus
- Proficient understanding of code versioning tools, such as Git is an added plus
- Working Knowledge of tools for server, application metrics logging and monitoring and is a plus Monit, ELK, graylog is an added plus
- Working Knowledge of DevOps containerization utilities like Ansible, Salt, Puppet is an added plus
- Working Knowledge of DevOps containerization technologies like Docker, LXD is an added plus
- Working Knowledge of container orchestration platform like Kubernetes is an added plus
About us
Blitz is into Instant Logistics in Southeast Asia. Blitz was founded in the year 2021. It is in the business of delivering orders using EV bikes. Blitz not only delivers instant orders through EV Bikes, but it also finances the EV bikes to the drivers on lease and generates another source of revenue from the leasing as well apart from delivery charges. Blitz is revolutionizing instant coordination with the help of advanced technology-based solutions. It is a product-driven company and uses modern technologies to build products that solve problems in EV-based Logistics. Blitz is utilizing data sources coming from the EV bikes through IOT and smart engines to make technology-driven decisions to create a delightful experience for consumers
We are looking for a talented Backend Engineer with a strong proficiency in Go/Golang development to join our team. As a Backend Engineer, you will play a crucial role in designing, implementing, and maintaining scalable backend systems that power our
Applications. You will collaborate closely with cross-functional teams to deliver robust and efficient solutions that meet our business requirements
Responsibilities
- Design, develop, and maintain backend services and APIs using Go/Golang.
- Collaborate with product managers and front-end engineers to understand requirements and translate them into technical solutions.
- Architect scalable and high-performance systems to handle large volumes of traffic.
- Implement security best practices to ensure the confidentiality, integrity, and availability of our systems and data.
- Write clean, efficient, and maintainable code following coding standards and best practices.
- Optimise database queries and data access patterns for maximum performance.
- Implement automated tests to ensure the reliability and stability of the backend services
- Monitor and troubleshoot production systems to identify and resolve issues in time.
- Participate in code reviews to maintain code quality and provide constructive feedback to peers.
- Stay up-to-date with the latest backend technologies, frameworks, and industry trends.
Requirements
- Bachelor’s degree in Computer Science, Engineering, or a related field.
- Minimum of 3 years of professional experience in backend development.
- Proficiency in Go/Golang programming language for at least 2 years.
- Solid understanding of data structures, algorithms, and computer science fundamentals.
- Experience with building and deploying microservices architectures.
- Strong knowledge of database systems, including SQL and NoSQL databases.
- Familiarity with cloud computing platforms such as AWS, GCP, or Azure.
- Experience with containerization technologies such as Docker and container orchestration tools like Kubernetes
- Understanding of RESTful APIs and web services.
- Excellent problem-solving and analytical skills.
- Ability to work effectively both independently and as part of a team.
- Strong communication skills and ability to collaborate effectively with cross-functional teams.
Preferred Qualifications
- Experience with distributed systems and messaging queues (e.g., Kafka, RabbitMQ).
- Knowledge of GraphQL and GraphQL query language.
Company's website - https://rideblitz.com/
Requirements:
- Energetic self-starter, with a desire to work in a startup environment.
- Proficient in advanced Java programming skills.
- Expert in Application development cloud/on premise end to end. Middle layer, DB layer.
- Nice to have understanding on MQ and DB
- Good hands on in Complex Event Processing systems.
- Solved scale and performance issues while dealing with huge sets of data. Pre compute or data aggregation frameworks to achieve good response time.
- Real world experience working with large datasets and NoSQL database technologies
- Experience of debugging applications running on Unix like systems (e.g. Ubuntu, CentOS)
- Experience developing RESTful APIs for complex data sets
- Knowledge of container based development & deployment (e.g. Dockers, rkt)
- Expertise in software security domain, a plus










