SSE Java Developer

A Staff Engineer at CAW is a technical and people leader responsible for end-to-end project delivery and the growth of engineers. You own technical design (LLDs), contribute to HLD discussions, lead execution, ensure engineering best practices, and act as the primary technical point of contact for clients. You manage a set of engineers, supporting their career progression through mentorship, feedback, and performance development.

Responsibilities:

• Own Low-Level Design (LLD) and code quality; contribute to HLD discussions under guidance.
• Own end-to-end project delivery: requirements understanding, sprint planning, execution, risk management, and production readiness.
• Lead the project engineering team with clear technical direction, ownership, and execution accountability.
• Act as primary people manager for assigned engineers; own their career progression, mentorship, and growth.
• Provide regular 1:1s focused on skill development, feedback synthesis, and long-term career goals.
• Serve as primary technical point of contact for clients; build trust through clear communication and proactive problem-solving.
• Ensure best practices across architecture, implementation, testing, and production readiness.
• Establish disciplined AI usage across the team for design validation, reviews, testing, and documentation.

The core requirements for the job include the following:

Technical Expertise:

• In-depth knowledge of C#. NET languages and the DotNet Core Web API Framework.
• Strong SQL skills: complex queries, stored procedures, functions; PostgreSQL or SQL Server proficiency.
• Experience with Entity Framework or Dapper ORM.
• ReactJS/Angular frontend experience.
• Cloud, Agile, CI/CD, and DevOps environments.
• Solid grasp of SOLID Principles and OOPS Concepts.

Leadership and Ownership:

• Proven ability to own feature-level delivery end-to-end with minimal supervision.
• Strong people management skills with a track record of mentoring and developing engineers.
• Exposure to system design and architecture discussions.
• Production-first mindset with a focus on reliability, scalability, and operational excellence.

AI Systems and Engineering (Nice to Have):

• Advanced experience deploying RAG or agent-based systems with LangGraph orchestration.
• Expert-level mastery of async Python, system thinking, and building scalable backends.
• Design modular, maintainable multi-agent AI systems aligned with SOLID principles.
• Build high-concurrency, async Python backends for complex AI workloads with enterprise stability.
• Architect sophisticated agentic workflows using LangGraph with state persistence and error recovery.
• Design and optimize RAG pipelines: advanced chunking, hybrid search, and re-ranking.
• Collaborate on reusable AI components and internal frameworks to enhance team velocity.
• Authentication Providers (IdentityServer, Auth0 or equivalent).

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. 

Job Title: Lead Java Developer

Experience Required: 7+ Years

Location: Mumbai

About the Role

We are seeking a highly skilled Senior Backend Developer with deep expertise in building scalable, high-performance applications. The ideal candidate will have strong hands-on experience with Java, Spring Boot, Microservices, and distributed systems. You will play a key role in designing and optimizing APIs, architecting robust systems, and collaborating with cross-functional teams to deliver innovative solutions.

Key Responsibilities

• Design, develop, and maintain scalable backend systems using Java, Spring Boot, and Microservices architecture.
• Build and optimize APIs for large-scale applications ensuring high performance and reliability.
• Apply clean coding principles, SOLID design patterns, and clean architecture to deliver maintainable and robust code.
• Work with distributed systems technologies (Kafka, ELK, in-memory databases, Cassandra, or similar).
• Write efficient SQL queries and integrate with relational and NoSQL databases.
• Collaborate with product managers, architects, and other developers to define and align on technical decisions.
• Identify and solve complex problems with innovative and scalable solutions.
• Drive best practices in coding standards, system design, and performance optimization.
• Communicate complex technical concepts clearly across teams and stakeholders.

Skills & Qualifications

• 7+ years of experience as a Backend Developer.
• Strong expertise in Java, Spring Boot, Microservices, SQL.
• Significant experience in API design and optimization for enterprise-scale applications.
• Proficiency in distributed systems & related technologies (Kafka, ELK, in-memory DBs, Cassandra, etc.).
• Strong understanding of object-oriented engineering principles (SOLID, clean architecture).
• Excellent problem-solving and analytical skills with the ability to simplify complex concepts.
• Strong communication and collaboration skills, with the ability to influence and align teams.

What you will be doing

• Building and maintaining Java micro services.
• Develop new features and improve existing features of the application.
• Coding, Implementing, Unit Testing and Documenting Java based services.
• Design, build, and maintain efficient, reusable, and reliable Java code.
• Code reviews and ensuring adherence to software development standards.
• Contribute to team and organizational improvements in process and infrastructure.
• Participating in requirements gathering and functional specification activities.
• Resolving and helping to mitigate production issues.

What you need to be successful

• Has proven himself as a solid individual contributor and has some initial management ability
• Understands the culture and upholds it
• Well respected with the team
• Looking to grow more as a manager than as an engineer
• Split time b/w hands-on technical work and people management of a small team
• Be a role model for the people in your team
• Responsible for team mentorship, technical planning, resource allocation & project delivery
• Build solid working relationships with counterparts outside engineering
• If we shortlist you for a lead role, then you'll have to mentor SDE-1 towards their SDE-2 journey.
• Progress up to manager in 2-3 years
• Strong Data Structure and Algorithms
• Experience of building micro services architectures, developing RESTful services,continuous integration, unit and integration testing.
• Proficient with SpringBoot, Hibernate, JUnit and other Java frameworks apart from RDBMS and NoSQL databases - PostgreSQL, MongoDB
• Gauge or other BDD frameworks and experience in Fintech would be preferred.

We are looking for Flutter Developers responsible for developing cross-platform mobile

applications.

Work Details:

● Building modern and cross platform mobile applications using Flutter.

● Collaborating with the Planning and Design teams to bring ideas to life.

● Performing app profiling and improving performance.

● Improving code quality through code reviews.

● Developing new features, maintaining code, and fixing/debugging issues.

You need to have:

● One or more published Flutter apps on the App Store / Play Store.

● Good understanding of Flutter and Dart.

● Beginner to intermediate level knowledge of Java, Kotlin or Swift.

● Good understanding of code versioning tools such as Git etc.

● Willingness to learn about new technologies and trends in mobile.

● Familiarity with cloud message APIs and push notifications.

● Working knowledge of Reactive programming is a plus.

● Working knowledge of the general mobile landscape, architectures, trends, and emerging

technologies.

● Bachelor’s degree in Computer Science or related field, or equivalent professional

experience.

● Experience working with agile teams and making rapid decisions in a dynamic and

disruptive environment.

● Strong communication skills.

Benefits:

● Working with the latest technologies in an early-stage product startup, with plenty of

opportunities to learn

● You will work directly under the mentorship of other senior designers/developers and the

startup's founders.

Fullstack Developer/Architect/Programmer:

1. 8-10 years experience as Developer/Programmer.
2. Should have an expertise in Core Java, Java & J2ee
3. Built MVC based Web Application Using JSP/Struts framework
4. Experience in Webservices-Restful
5. Experience in Application Servers like Tomcat and WebLogic
6. Good Knowledge of implementing JMS messaging services
7. Good knowledge of HTML5,CSS and JavaScript – Angular.js,Bootstrap, React.js
8. Should have skills in Spring 3.x, Hibernate, Weblogic 12c Implementation