
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. - 4 to 10 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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We’re seeking a highly skilled, execution-focused Senior Backend Engineer(6 Months contract) with a minimum of 5 years of experience to join our team. This role demands hands-on expertise in building and scaling distributed systems, strong proficiency in Java, and deep knowledge of cloud-native infrastructure. You will be expected to design robust backend services, optimize performance across storage and caching layers, and enable seamless integrations using modern messaging and CI/CD pipelines.
You’ll be working in a high-scale, high-impact environment where reliability, speed, and efficiency are paramount. If you enjoy solving complex engineering challenges and have a passion for distributed systems, this is the right role for you.
Responsibilities—
- Design, develop, and maintain distributed backend systems at scale.
- Write high-performance, production-grade code in Java.
- Architect and optimize storage systems, ensuring efficient query performance and scalable data models.
- Implement caching strategies to reduce latency and improve system throughput.
- Build and manage services leveraging AWS cloud infrastructure.
- Develop resilient messaging pipelines using Kafka (or equivalent) for real-time data processing.
- Define and streamline CI/CD pipelines, ensuring rapid and reliable deployment cycles.
- Collaborate with product managers, frontend engineers, and DevOps to deliver end-to-end solutions.
- Monitor system performance, identify bottlenecks, and apply proactive fixes.
- Drive best practices in software engineering, testing, and code reviews.
Requirements—
- 5+ years of experience in backend engineering, with deep hands-on coding experience.
- Strong proficiency in Java and familiarity with modern frameworks.
- Proven track record in building scalable distributed systems.
- Hands-on expertise with AWS services (e.g., EC2, S3, Lambda, DynamoDB, RDS).
- Solid understanding of messaging systems like Kafka, RabbitMQ, or similar.
- Strong grasp of query performance optimization and storage system design.
- Experience with caching solutions (Redis, Memcached, etc.).
- Familiarity with CI/CD tools (Jenkins, GitHub Actions, GitLab CI, etc.).
- Excellent problem-solving skills and ability to thrive in fast-paced environments.
- Strong communication and collaboration skills, with a proactive mindset.
Benefits—
- Best in class salary: We hire only the best, and we pay accordingly.
- Proximity Talks: Meet other designers, engineers, and product geeks — and learn from experts in the field.
- Keep on learning with a world-class team: Work with the best in the field, challenge yourself constantly, and learn something new every day.
About us—
Proximity is the trusted technology, design, and consulting partner for some of the biggest Sports, Media, and Entertainment companies in the world. We’re headquartered in San Francisco and have offices in Palo Alto, Dubai, Mumbai, and Bangalore.
Since 2019, Proximity has built high-impact, scalable products used by millions of users every day. Today, we are a global team of engineers, designers, product managers, and experts solving complex problems and building cutting-edge technology at scale.
• 3 - 6 Years of Experience in Golang Development
• Understands requirements well and comes up with efficient design
• Develops complex, well backed and bug-free products.
• Estimates accurately.
• Takes well-reasoned tech decisions keeping in mind goals and trade-offs
• Becomes a go-to person in more than one area. Provide technical mentoring to team
• Communicates clearly, gets clarifications and establishes expectations for all parties
• Helps establish SDLC best practices and high standards of code quality
• Demonstrates excellent problem solving & debugging skills
• Proactively identifies and resolves issues in requirements, design and code
Ideal Candidate Profile:
• Solid experience in Golang is must.
• Solid understanding of Apache Products.
• Should have experience in cloud computing (AWS is desired).
• Has an ability to quickly learn and contribute in multiple codebase
• Overcomes roadblocks and requires minimal oversight
• Takes initiatives to fix issues/tech debts before assigned to him/her
• Able to deep dive into codebase and advise QA of possible regression impact
• Communicates tech decisions through design docs and tech talks
• Has delivered projects with end-to-end accountability
• Keeps track of industry trends and introduces right tech/ tools for a given job
• Excellent understanding of software engineering practices,
• Design Patterns, Data Structures, Algorithms
• Experience in product driven organisation.
Hi All,
Job Description:
As a Java Developer, you will be responsible for developing and maintaining high performance, scalable, and secure applications. We are seeking a skilled and motivated Java Developer with experience in the Spring Framework to join our dynamic team. This is a remote/work-from-home position, offering you the flexibility to work from anywhere.
Location : Remote / WFH
Salary : Good Hike on Current
Key Responsibilities:
- Design, develop, and maintain Java-based applications using the Spring Framework.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Write clean, maintainable, and efficient code.
- Ensure the performance, quality, and responsiveness of applications.
- Troubleshoot and debug issues to optimize application performance.
- Participate in code reviews to maintain high coding standards and best practices.
- Work with RESTful APIs and integrate third-party services.
- Contribute to all phases of the software development lifecycle, including requirements
- Gathering, design, implementation, testing, and deployment.
Key Requirements:
- 2 to 5+ years of experience in Java development.
- Strong experience with the Spring Framework (Spring Boot, Spring MVC, Spring Data, etc.).
- Proficiency in building RESTful APIs and web services.
- Solid understanding of object-oriented programming and design patterns.
- Experience with relational databases like MySQL, PostgreSQL, or Oracle.
- Familiarity with version control systems, particularly Git.
- Knowledge of front-end technologies such as HTML, CSS, and JavaScript is a plus.
- Ability to work independently and as part of a remote team.
- Strong problem-solving skills and attention to detail.
- Excellent communication and collaboration skills.
Preferred Qualifications:
- Experience with cloud platforms like AWS, Azure, or Google Cloud.
- Familiarity with microservices architecture.
- Knowledge of containerization tools such as Docker.
- Understanding of Agile/Scrum methodologies.
Benefits:
- Work-from-home/remote opportunities.
- Opportunities for professional growth and development.
- Collaborative and inclusive work environment.
JOB DESCRIPTION
Nature of Work:
This being an advanced level position in the S/W development team the individual is expected to:
∙ Participate as a team member in all phases of the S/W lifecycle, including the analysis and design of S/W systems.
∙ Participate in a detailed level of coding, code walk – through and unit testing of S/W modules.
∙ Participate in integrated testing of product/ package.
∙ Participate in difficult and typical coding assignments with responsibility of a small module consisting of 3 – 5 members.
∙ Participate in exploration/ feasibility study of products.
∙ Have a thorough understanding of the assigned product/ project.
∙ Participate in generating technical documentation of products/ packages.
∙ Providing technical training to the juniors.
∙ Manage allocated resources, keep compliance with discipline and decorum of the organization.
∙ Keep compliance with Systems and Procedures.∙ Thorough knowledge of current technological trends in Web based Software
∙ Strong Working knowledge of JSF/JSP, Servlets, Spring, Web application development and Core Java
• Working knowledge of working with databases using EJB.
• Knowledge of Bug Tracking tool such as Jira, Bugzilla and source code version control systems (SVN, GIT)
• Knowledge of working in Scrum methodology.
• Good to have knowledge of SonarQube and Web Security Aspects.
• Knowledge of Responsive Front End Development using HTML5, JavaScript, CSS3, JQuery, Ajax and JSON.
• Should be able to write test cases for the feature.
∙ Ability to gather and analyze data & draw logical conclusions
∙ Understanding of company’s vision & goals, business operations∙ Clear and concise oral and written communication skills
∙ Ability to establish and maintain effective work relationships at
all levels
∙ Great passion for S/W development.
∙ Ability to mentor and guide the juniors.• Have strong experience in Go
• Have expertise in implementing microservices (using tools and technologies for messaging, GraphQL, GRPC, REST API, etc)
• Have implementation experience in data visualization (knowledge graph, for example), workflow or business process management
• Have expertise in design and development using PostresSQL
• Have experience with Containerization (Docker, Kubernetes, AWS)
• Experience of Cloud AWS based instances and services (e.g. EC2, S3, ELB, RDS, IAM, Route53, CloudFront, ElastiCache)
• Strong experience in enterprise application development, data structures, modern design patterns and microservices architecture
Responsibilities for Staff Engineer role:
- Having experience in Java along with Springboot, Micorservices, RDBMS
- Experience required: 6yrs to 8 yrs.
Role and Responsibilities:
As a Software Developer, you will be primarily involved in developing new features & fixing the bugs for our apps built to work with the Atlassian products. You will work closely with the product team to understand customer needs & co-ordinate with QA/Release management teams for maintaining quality of delivery.
Must have KSA (Knowledge Skills Abilities):
Hands on experience in JAVA
Spring MVC framework
CSS / HTML / Java Script
Should have knowledge of databases and must have used any of Postgres / SQL server/ My SQL/ Oracle
Additional KSA for advantage:
Knowledge or hands on experience of ReactJS
Knowledge of bug tracking tool Jira
Experience in web services development
Responsibilities:
Writing and implementing efficient code
Unit test driven development
Should be able to interpret requirements and suggest solutions to implement them
Must be able to break big stories in to smaller tasks and estimate
Responsibilities:
- Taking initiative in the Design and Development of Android applications.
- Ship reliable software practicing robust software design and in-depth code reviews.
- Design major software components, systems, and features and implement full-stack app foundation features and core app features.
- Take ownership, design, develop and deploy in a collaborative environment with other team members
- Knowledge of architect solutions using innovative technology ideas and industry-leading methodologies.
Requirements:
- Good hands-on experience in developing and deploying Android apps Android native/cross-platform.
- Comfortable with JAVA and Kotlin both.
- Experience implementing integrated solutions with APIs built using RESTful web services.
- Strong analytical and debugging skills.
- Good understanding of Data Structure and Algorithms.
- Adapt to a dynamic work environment. Stay updated with the latest in technology and always think customer first.
- Study and understand the product specifications thoroughly to design appropriate software solutions. Suggest improvements and optimize existing implementations.
- Ability to identify and deliver POCs and Demos in a record timeframe.
- Encourage and coordinate with the team around new technologies, processes, and approaches.
- Proficiency in various Design Principles and app development methodologies.
- Strong communication skills with a people-first approach without compromising on engineering tasks
Job Description
- Design & implement backend APIs
- Mentor junior developers technically.
- Actively work to reduce tech debt in the backend
- Work towards more stability & scalability of the backend
- Tech stack - Java, AWS, Aurora etc.
Eligibility
- 4-8 years of product company experience
- OOP implementation experience. Programming language does not matter. We use Java internally but have hired folks from non Java background.
- Hands on experience in SQL, Dynamo DB, Postgres etc preferred.
- Prior experience building REST APIs
- Advanced understanding of AWS stack
- Prior knowledge of solving problems at scale.










