
# Responsibilities:
- Build the APIs and internal mechanisms of the backend across all our services.
- Architect and provide guidance on building end-to-end systems optimized for speed and scale.
- Build and lead engineering teams to achieve product roadmap milestones.
- Oversee the research and development of new products and technologies.
- Engage with inspiring designers and front-end engineers, and collaborate with leading back-end engineers as we create reliable APIs
- Represent and evangelize engineering team in events, talks, conferences, etc.
- Be available for troubleshooting in case of backend emergencies.
# Requirements:
- Bachelor's in Computer Science or any Engineering domain with experience in Software Programming.
- 2-5 years of experience building large-scale software applications.
- Highly proficient with Java and knowledge of the many intricacies of Spring Boot.
- Proficient with MongoDB and Redis. Knowledge of Aerospike, other databases would be a bonus.
- Good understanding of distributed systems (servers, databases, etc.).
- Positive and solution-oriented mindset and comfort working in a highly agile, intensely iterative software development environment.

Similar jobs
JOB DESCRIPTION
Experience: 4-7 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. - 4-7 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.
Role
We are looking for a Full Stack Engineer who can own the entire technical stack, design systems that scale, and ship products fast. You will work across frontend, backend, and AI systems, making key architectural decisions while building a product used by real users.
This role offers high ownership, where engineers move ideas to production quickly and take responsibility for both technical decisions and product impact.
What would you do?
- Build and own the end-to-end platform using React, Node.js microservices, Python AI agents, and AWS.
- Design and implement scalable system architecture, including caching, databases, and state management between AI and UI.
- Develop AI-powered backend services and orchestrate LLM workflows using modern frameworks.
- Build highly interactive front-end experiences using modern React and real-time communication tools.
- Define and maintain engineering best practices, including CI/CD pipelines, monorepo structures, and development workflows.
- Collaborate closely with users and product teams to identify problems and ship impactful solutions.
- Continuously simplify systems by removing unnecessary complexity and keeping architecture clean.
Who should apply?
- Engineers with 4+ years of experience building and shipping production-grade products.
- Strong understanding of system design, architecture, and scalable backend systems.
- Hands-on experience with Python (FastAPI, async systems) and LLM-based applications.
- Proficiency in JavaScript / TypeScript with Node.js and modern backend frameworks.
- Experience building modern frontend applications using React (React 18+).
- Familiarity with databases such as Redis, PostgreSQL, or MongoDB, and designing scalable APIs.
- Engineers comfortable working in fast-paced environments with high ownership and minimal process overhead.
Technical Skills
- Backend: Node.js, Express, Python, FastAPI
- Frontend: React (React 18+), interactive UI development
- AI/LLM Systems: LLM orchestration, multi-model integrations
- Databases: Redis, PostgreSQL, MongoDB
- Infrastructure: AWS, CI/CD pipelines, microservices architecture
- Real-time Systems: Socket.IO, Server-Sent Events (SSE)
Wissen Technology is now hiring for Java Developer with hands on experience in Core Java, multithreading, algorithms, and data structure.
We are solving complex technical problems in the financial 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 highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
Experience - 3+.
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 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.
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.
Requirements:
- Excellent knowledge of Core Java (J2SE) and J2EE technologies.
- Hands-on experience with RESTful services and API design is a must.
- Knowledge of microservices architecture is a must.
- Knowledge of design patterns is a must.
- Strong knowledge of Exception handling and logging mechanism is a must.
- Agile scrum participation experience. Work experience with several agile teams on an application built with microservices and event-based architectures to be deployed in hybrid (on-prem/cloud) environments.
- Good knowledge of Spring framework (MVC, Cloud, Data and Security. Etc) and ORM framework like JPA/Hibernate.
- Experience in managing the Source Code Base through Version Control tools like SVN, GitHub, Bitbucket, etc.
- Write maintainable/scalable/
efficient code. - Design and architect technical solutions for the business problems of a very large e-commerce portal.
- Work in a cross-functional team, collaborating with peers during the entire SDLC.
- Follow coding standards, unit-testing, code reviews etc.
- Follow release cycles and commitment to deadlines
- Experience level of 3 to 6 years of experience in very large scale applications.
- Strong problem-solving skills, OOPs, data structures and algorithms.
- Experience with distributed systems handling large amounts of data.
- Excellent coding skills in Java/J2EE.
- Very good understanding of Web Technologies.
- Very good understanding of any RDBMS and/or messaging.
- B Tech/BE in Computer Science or equivalent from a reputed college.
Key Responsibilities:
- Rewrite existing APIs in NodeJS.
- Remodel the APIs into Micro services-based architecture.
- Implement a caching layer wherever possible.
- Optimize the API for high performance and scalability.
- Write unit tests for API Testing.
- Automate the code testing and deployment process.
Skills Required:
- At least 2 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
- Excellent hands-on experience using MySQL or any other SQL Database.
- Good knowledge of MongoDB or any other NoSQL Database.
- Good knowledge of Redis, its data types, and their use cases.
- Experience with graph-based databases like GraphQL and Neo4j.
- Experience developing and deploying REST APIs.
- Good knowledge of Unit Testing and available Test Frameworks.
- Good understanding of advanced JS libraries and frameworks.
- Experience with Web sockets, Service Workers, and Web Push Notifications.
- Familiar with NodeJS profiling tools.
- Proficient understanding of code versioning tools such as Git.
- Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
- Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
- Experience building a large scale social or location-based app.
Looking For Java Backend Developer
Greetings from Skilltasy !!!!
Urgent Requirement…
Job Role – Java Backend Developer
Experience – 6+ year
Work location –Bangalore/ Hyderabad
Notice Period – Immediate to 30 days
Skills -
· Develop enterprise-level applications and features using above mentioned technologies and tools.
· Collaborate with other developers, designers, and stakeholders to deliver highly functional features.
· Deliver on development requests while also setting accurate expectations, adhering to best practices, and creating modular and testable code.
· Adhere to an Agile methodology.
· Consider the user journey to create an intuitive user experience…
Please share profiles to
Unlock endless job opportunities today - Sign up at www.skilltasy.com/signup.
Location: Jaipur/ Remote
Employment type: Full-time
What you bring to the team:
Experience
• University degree in Computer Science or other related fields preferred; equivalent experience will be considered.
• 5+ years’ experience
Knowledge
• Experience in Java (min. 3 Years in Production), JDBC / SQL (Oracle or SQL Server or PostgreSQL), Spring Framework (Core, JDBC, Transactions, Spring REST), Hibernate (Core, HQL, Spring Integration).
• Experience in JavaScript (objects, asynchronous, arrays, prototypes, classes).
• Experience in jQuery (or similar framework).
• Experience in Gradle(preferred) or Maven.
• Experience in Jenkins.
• Experience in Apache Tomcat (or similar application server).
• Excellent communication and didactical skills.
• Good level of English.
Represents a Plus
• Groovy
• JEE (Servlets)
• Jasper Reports,
• OpenUI5
• Basic knowledge of JSF
Skills
• Good in problem analysis and judgment – you evaluate the impact of architectural decisions, actions, choices, risks and updates and their impact on the organization.
• Autonomous in executing tasks, preparation of advice, and decision making about the implementation.
• Persistent – you deal with conflicts of interest and obtain a good and acceptable end solution.
• Communicative and persuasive – you can document in a comprehensive way to non-IT colleagues the decisions taken.
Benefits
• You’ll be working for European projects and deal with European culture.
• You’ll have possibility to permanent placed on-site in Europe.
• You’ll be working with motivated people, that love creating products that our customers love.
• You’ll be continuously growing both as an individual and as a professional, by learning on the job.
• You’ll have the change of both solving reliability issues, but also coding reliability from the inception to running the product. As we strive in automating toil away, you’ll work on more and more complex topics.
• You’ll have the opportunity to participate in various initiatives or working groups with the goal of enriching and streamlining our landscape.
- Demonstrated experience in Development, unit test application modules based on specified design using PHP, AngularJS, NodeJS, HMTL5, CSS, J2EE/DB2 technologies using Agile Methods
Experience with Databases and having good knowledge of database









