
Java Technical Lead
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 a highly motivated and expert team which has made a mark as a high-end technical consulting.
Experience: 10+ years
Location: Mumbai
Job Description:
• Experience in Core Java, Spring Boot.
• Experience in microservices.
• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
• Good knowledge of multi-threading
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should be able 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.
Connect with the team
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Job Title: Backend Developer
Experience: 2–7 Years
Location: On-site – Bangalore
Employment Type: Full-Time
Company: Pepsales AI (Multiplicity Technologies Inc.)
About Pepsales
Pepsales AI is a real-time sales enablement and conversation intelligence platform built for B2B SaaS sales teams. It empowers sellers across every stage of the sales cycle—before, during, and after discovery calls—by providing actionable insights that move deals forward.
- For Account Executives: Pepsales AI transforms the discovery process, ensuring objective deal qualification and frictionless handoffs to solution engineers—enabling AEs to focus on winning, not chasing.
- For Solution Engineers and Consultants: It elevates demo experiences by delivering real-time buyer context and actionable insights, ensuring every interaction is highly personalized and impactful.
- For Sales Leaders: It provides enterprise-grade intelligence across forecasting, pipeline health, team performance, coaching, and the authentic voice of the customer—empowering data-driven decision-making at scale.
With Pepsales AI, sales teams run sharper meetings, accelerate deal cycles, and close with confidence.
Role Overview
We’re seeking a passionate Backend Developer to join our fast-paced team in Bangalore and help build and scale the core systems powering Pepsales. In this full-time, on-site role, you’ll work on high-impact features that directly influence product innovation, customer success, and business growth.
You’ll collaborate closely with the founding team and leadership, gaining end-to-end ownership and the chance to bring bold, innovative ideas to life in a rapidly scaling startup environment
Key Responsibilities
- Design, develop, and maintain scalable backend systems and microservices.
- Write clean, efficient, and well-documented code in Python.
- Build and optimize RESTful APIs and WebSocket services for high performance.
- Manage and optimize MongoDB databases for speed and scalability.
- Deploy and maintain containerized applications using Docker.
- Work extensively with AWS services (EC2, ALB, S3, Route 53) for robust cloud infrastructure.
- Implement and maintain CI/CD pipelines for smooth and automated deployments.
- Collaborate closely with frontend engineers, product managers, and leadership on architecture and feature planning.
- Participate in sprint planning, technical discussions, and code reviews.
- Take full ownership of features, embracing uncertainty with a problem-solving mindset.
Required Skills & Qualifications
- 2–7 years of backend development experience with a proven track record of building scalable systems.
- Strong proficiency in Python and its ecosystem.
- Hands-on experience with MongoDB, Docker, and Microservice Architecture.
- Practical experience with AWS services (EC2, ALB, S3, Route 53).
- Familiarity with CI/CD tools and deployment best practices.
- Strong understanding of REST API design principles and WebSocket communication.
- Excellent knowledge of data structures, algorithms, and performance optimization.
- Strong communication skills and ability to work in a collaborative, fast-paced environment.
What We Value
- Excitement to work on cutting-edge technology and platforms , helping redefine how businesses engage and convert customers.
- Thrives in a dynamic startup environment that values diversity, rapid innovation, and a growth mindset—adapting to change, challenging the status quo, and making a real impact.
- Passion for ownership beyond coding, contributing to product strategy and innovation.
Why Join Pepsales?
- Direct access to founders and a voice in high-impact decisions.
- Opportunity to shape a next-gen AI SaaS product transforming sales worldwide.
- Exposure to cutting-edge technologies in a rapidly growing startup.
- Ownership-driven culture with fast career growth and learning opportunities.
- A collaborative, innovation-driven environment that values creativity and problem-solving.
JioTesseract, a digital arm of Reliance Industries, is India's leading and largest AR/VR organization with the mission to democratize mixed reality for India and the world. We make products at the cross of hardware, software, content and services with focus on making India the leader in spatial computing. We specialize in creating solutions in AR, VR and AI, with some of our notable products such as JioGlass, JioDive, 360 Streaming, Metaverse, AR/VR headsets for consumers and enterprise space.
Mon-Fri, In office role with excellent perks and benefits!
Key Responsibilities:
1. Design, develop, and maintain backend services and APIs using Node.js or Python, or Java.
2. Build and implement scalable and robust microservices and integrate API gateways.
3. Develop and optimize NoSQL database structures and queries (e.g., MongoDB, DynamoDB).
4. Implement real-time data pipelines using Kafka.
5. Collaborate with front-end developers to ensure seamless integration of backend services.
6. Write clean, reusable, and efficient code following best practices, including design patterns.
7. Troubleshoot, debug, and enhance existing systems for improved performance.
Mandatory Skills:
1. Proficiency in at least one backend technology: Node.js or Python, or Java.
2. Strong experience in:
i. Microservices architecture,
ii. API gateways,
iii. NoSQL databases (e.g., MongoDB, DynamoDB),
iv. Kafka
v. Data structures (e.g., arrays, linked lists, trees).
3. Frameworks:
i. If Java : Spring framework for backend development.
ii. If Python: FastAPI/Django frameworks for AI applications.
iii. If Node: Express.js for Node.js development.
Good to Have Skills:
1. Experience with Kubernetes for container orchestration.
2. Familiarity with in-memory databases like Redis or Memcached.
3. Frontend skills: Basic knowledge of HTML, CSS, JavaScript, or frameworks like React.js.
• Design, develop, code and test the solution
• Experience working with large datasets and NoSQL database technologies (e.g. Cassandra, ES)
• 5-10 yrs of industry experience
• 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 (e.g. Kafka)
• 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
• Experience working with large datasets and NoSQL database technologies (e.g. Cassandra, ES)
• 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, K8s)
• Expertise in software security domain, a plus
Experience Required: 5 -10 yrs.
Job location: Sec-62, Noida
Work from office (Hybrid)
Development Platform: Backend Development- Java/J2EE, Struts, Spring, MySQL, OWASP
Job Brief:
Requirements:
· 5+ years of experience in developing distributed, multi-tier enterprise applications, APIs.
· Fully participated in several major product development cycles.
· Solid background in design, OOP, object, and data modelling.
· Deep working knowledge of Java, Struts,Spring, Relational Database.
· Experience in design and implementation of service interface and public APIs.
· Actively involved/writing codes in current project.
· Development knowledge and experience of working with AWS, Azure etc. will be an added plus.
· Clear Understanding and Hands on experience on OWASP Top 10 Vulnerability standards like XSS, CSRF, SQL injection, session hijacking, and authorization bypass vulnerabilities.
· Find and resolve the security concerns on the product/application.
· Good Documentation, reporting, Strong communication, and collaboration skills with various levels of executives from top management to technical team members across the organization.
· Strong self-starter who can operate independently.
Experience: 2 to 8 Years
Job Description
- Technical Skills requirement : JAVA, Multithreading, OOPS, Data Structure, Karaf.
- Total experience required should be around 2 to 8 years.
Job Description :
- Strong development skills in Java JDK 1.7 or above.
- Knowledge of Java 8 features and Multithreading is a must-have.
- Should have a strong acumen in Data Structures, Algorithms, problem-solving and LogicalAnalytical skills.
- Thorough understanding of OOPS concepts, Design principles and implementation of different type of Design patterns.
- Sound understanding of concepts like Exceptional handling, SerializationDeserialization and Immutability concepts, etc.
- Experience with Multithreading, Concurrent Package and Concurrent APIs Basic understanding of Java Memory Management (JMM) including garbage collections concepts.
- Experience in RDBMS or NO SQL databases and writing SQL queries (Joins, group by, aggregate functions, etc.)
skills required:JAVA,SPRINGBOOT,MICROSERVICES,SPRING,HIBERNATE
-
- Key Result Areas
- Develop and lead desktop and mobile web Back end development.
- Work on Node JS platform.
- Strong focus on UI Performance: optimize page load, rendering, caching, leveraging CDNs.
-
- Technology Skills:
- Advanced Javascript, CSS, HTML 5, D/XHTML, XML, JSON, DOM Concepts
- Must have worked on a SPA frameworks:Nodejs, AngularJS or InfernoJS
- Familiarity with common Javascript Libraries such as jQuery.
- Fluent in responsive design and mobile / tablet UI / UX
- Knowledge about UI testing automation
- Web mobile (touch devices: mobiles and tablets) experience is expected
- UI or API Performance: should have hands-on experience of optimizing page load, rendering,caching.
- Good understanding of AJAX and its UI implications
- Sense for appeal & aesthetics from a usability perspective
As a senior software engineer, you will contribute to our end-to-end supply chain platform. You'll work with all key stakeholders to deliver scalable, maintainable backend code and work with frontend developers to deliver amazing user experiences. We are building a design and process-centric culture where you'll play a key role in the implementation of the foundation of all our systems. Up for a challenge?
You are:
- A self-starter with a sense of what it takes to be successful as a team
- An agile - welcome change, do as little as possible and embrace continuous delivery
- Conscious about how quality is carried through from the UI to all layers underneath
- Opinionated, but flexible to accommodate the big picture
Responsibilities
- Analyze requirements, provide estimates and deliver code in an agile setup
- Stay on top of all owned work and raise red flags as early as possible
- Define the architecture, best practices, and coding standards
- Support continuous technical improvement by investigating alternatives and technologies and present them for architectural review
- Motivate team members, coach junior members, and extend goodwill to other employees
What You’ll Do
- Experience working in eCommerce industry managing high volume applications with an experience of 7 yrs or more.
- Expertise in application development with IBM (Sterling) Order Management Fulfillment Suite with a minimum of 4 to 5 yrs of experience.
- Implementation Experience in Sterling order management with versions greater than 9.0 is preferred. Experience in XML, XSD, SOAP and REST services.
- Expertise in at least one application server; Websphere MQ or JBoss or Weblogic.
- Subject matter expertise in building large-scale retail B2C web applications using Supply Chain and Logistics Systems.
- IBM Sterling Order Management System Configuration Deployment Toolkit (Sterling CDT), Global Inventory Visibility. Caching technologies is a plus.
- Comprehensive SDLC experience including strong design skills use of UML, patterns.
- Agile and waterfall implementation principles and practices.
- Use of version control management such of SVN, CVS, or GIT.
- Production environment deployment and maintenance.
- Provide support in troubleshooting / investigations pertaining to the order management systems.
- Respond quickly to critical requests.
- Ability to analyze and design data model. Solid hands-on understanding of DB for the Web environment.
- Performance tuning and optimization for scalability and high availability.
- Upgrading experience on IBM Sterling Order Management System to 9.3 or higher is a plus.
- Experience working on Omni Channel Implementations with IBM Sterling OMS is a plus.
- Exposure towards Cassandra is a plus.
What You Know
- Set your ECommerce skill set to work, helping to execute business requirements into specific systems, applications, or processes in business-to-consumer (B2C) environments.
- Showcase your in-depth technical knowledge and functional knowledge in IBM Sterling OMS building confidence at client place.
- Train and guide new team members on Sterling technical and business concepts.
- Able to support in design or POC s to solve business problems in IBM Sterling OMS for new client initiatives.
- Should be excited to work on projects that require both Sterling and Java/J2ee.
- Build services around Sterling using Java, Rest and SOAP web services. Should be very strong in core Java.
- Should be having fair idea in building unit tests around the code implemented.
- Knowledge on continuous integration is needed.
- You will also ensure that the organization's implementations meet the scalability and reliability required for eCommerce operation, as well as analyze and optimize database and core commerce functions for maximum performance.
Education
- Bachelor’s / Master’s degree in specific technical fields like computer science, math, statistics preferred; or equivalent practical experience









