
Strong written/verbal communication skills
· Minimum 5+ Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
· Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.
· Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
· Expert level understanding of Object-Oriented Concepts and Data Structures
· Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

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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Strong Software Engineer, Engineering Manager Profiles
Mandatory (Experience) – Must have minimum 4+ years of hands on experience in software development
Mandatory (Tech Skillset) – Must have 3+ years of hands-on experience in backend development using Java / Node.js / Go / Python (any 1) OR 3+ YOE in frontend Development using React / Angular / Vue (any 1)
Mandatory (Mentoring Skillset) – Must have at least 1+ year of experience leading or mentoring a team of software engineers.
Mandatory (Tech Skills) – Must have a solid understanding of microservices architecture, APIs, and cloud platforms (AWS / GCP / Azure).
Mandatory (DevOps Skillset) – Must have hands-on experience working with Docker, Kubernetes, and CI/CD pipelines.
Mandatory (Company) – Top-tier/renowned product-based company (preferred Entreprise B2B SaaS)
Mandatory (Education) – Undergraduation from Tier-1 Engineering College (IIT, BITS, IIIT, NSUT, DTU, etc.)
Mandatory (Note): No hire policy from Sprinklr
Roles and Responsibilities
RazerTech Consulting is mandated to hire a Technical Lead for a US based Tech Company that offers a cloud-based, AI?powered image editing and automation platform for leading brands in ecommerce, fashion, marketplaces & photo studios. The platform helps creatives and marketers produce stunningly consistent imagery and video content at scale.
Role Overview :
Were looking for a hands-on engineering lead to own the delivery of our GenAI-centric product from the backend up to the UI while integrating visual AI pipelines built by ML engineers. Youll be both a builder and a leader : writing clean Java and TypeScript/Node.js, scaling AWS-based systems, mentoring engineers, and making architectural decisions that stand the test of scale. Ideally, youre also familiar with Python for deploying ML pipelines.
(Note : This role requires both technical mastery and leadership skills - we're looking for someone who can write production code, make architectural decisions, and lead a team to success.)
What Youll Do :
- Lead development of the Java, Node.js and Python (FastAPI) backend services on AWS
- Build high-performance image processing pipelines using ImageMagick, SharpJS, and SVG manipulation
- Implement automated visual content generation using Headless Chrome and Puppeteer or similar tools.
- Deploy ML pipelines (built by the ML team) into containerized inference workflows using FastAPI, Docker, and GPU-enabled ECS EC2.
- Deploy and manage services on AWS ECS/Fargate, Lambda, API Gateway, and GPU-powered EC2
- Contribute to React/TypeScript frontend when needed to accelerate product delivery
- Work closely with the founder, product, and UX teams to translate business needs and PRDs into features that drive productmarket fit.
- Make architecture and infrastructure decisions from media processing to task queues to storage
- Own the performance and cost-optimization of our AWS platform
- Hire and mentor junior/mid engineers over time
- Drive technical planning, sprint prioritization, and trade-off decisions
Must have Skills :
- Backend Development (57 years) : Java, Node.js, TypeScript, RESTful API, Docker
- AWS Expertise (5+ years) : AWS Lambda, ECS, EC2, S3, DynamoDB, CloudWatch, IAM, roles
- Image Processing & Media Technologies : ImageMagick, SharpJS, SVG manipulation and programmatic generation, Headless Chrome, Puppeteer
- System Optimization & Middleware (35 years) : AWS cloud cost optimization, Celery, BullMQ, AWS Step Functions
- Frontend Development (23 years) : React, TypeScript, Redux, Context API, CI/CD pipelines.
- System Design & Architecture (46 years) : Event-driven architectures using queues, microservices-based systems, caching strategies (e.g., Redis, CDN edge caching)
- Leadership & Communication (23 years) : Lead engineering teams and drive project delivery
Job Title: Devops+Java Engineer
Location: Bangalore
Mode of work- Hybrid (3 days work from office)
Job Summary: We are looking for a skilled Java+ DevOps Engineer to help enhance and maintain our infrastructure and applications. The ideal candidate will have a strong background in Java development combined with expertise in DevOps practices, ensuring seamless integration and deployment of software solutions. You will collaborate with cross-functional teams to design, develop, and deploy robust and scalable solutions.
Key Responsibilities:
- Develop and maintain Java-based applications and microservices.
- Implement CI/CD pipelines to automate the deployment process.
- Design and deploy monitoring, logging, and alerting systems.
- Manage cloud infrastructure using tools such as AWS, Azure, or GCP.
- Ensure security best practices are followed throughout all stages of development and deployment.
- Troubleshoot and resolve issues in development, test, and production environments.
- Collaborate with software engineers, QA analysts, and product teams to deliver high-quality solutions.
- Stay current with industry trends and best practices in Java development and DevOps.
Required Skills and Experience:
- Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent work experience).
- Proficient in Java programming language and frameworks (Spring, Hibernate, etc.).
- Strong understanding of DevOps principles and experience with DevOps tools (e.g., Jenkins, Git, Docker, Kubernetes).
- Knowledge of containerization and orchestration technologies (Docker, Kubernetes).
- Familiarity with monitoring and logging tools (ELK stack, Prometheus, Grafana).
- Solid understanding of CI/CD pipelines and automated testing frameworks.
- Excellent problem-solving and analytical skills.
- Strong communication and collaboration skills.
• Hands on RDBMS experience with Oracle/ PostgreSQL/ MySQL/SQL
Server including transaction management, SQL programming, data
modelling, etc.
• Must have proven track record of logical data modeling and physical
data modeling
• Experienced in using ORM frameworks like Hibernate, etc.
• Basic understanding of NoSQL systems like Redis (Key-Value store),
MongoDB (Document store), Elasticsearch (Search / Document store)
• Design, Development & Deployment of Microservices using Spring
Boot or any other framework.
• Understanding of building EDA-based (Event Driven Architecture)
systems.
• Basic understanding of any public cloud (AWS, Azure, GCP)
• Ability to design & architect a system that exhibits basic
characteristics like modularity, configurability / extensibility, scalability
& availability.
• Maven / Gradle
• Experience in using & configuring Jenkins.
• Experience in using & configuring SonarQube.
Essential Requirements
• Hands-on with Java Platform (1.5 & above) having proficiency in OOPs
concepts, Collections,
• Generics, Streams, Multi-threading (Executor Framework), Functional
Programming.
• Design & Development of REST Web Services (Spring MVC / REST /
Jersey / Apache CXF, etc.)
• Hands-on experience using Spring framework (4.x & above)
• Core / Beans
• MVC / REST
• Security
• Spring Data / JPA
• Spring Test / JUnit
• JMS
Job Description
We are looking for a great Java Developer who is passionate about working in the Microsoft tech stack using Java. Your primary focus will be on developing common reusable components and implementing them following well-known best practices. You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Thus, a commitment to collaborative problem solving and an attitude to learn is essential.
Job Responsibilities:
- Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance.
- Contribute in all phases of the development lifecycle.
- Write well designed, testable, efficient code.
- Prepare and produce releases of software components.
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review.
- Design and develop dockerised microservices for cloud
Required skills and experience include:
- BS in Computer Science or other field of study and applicable work experience.
- Most likely 3-5 years of experience on Java Web Development.
- Experience in developing Microservices for cloud (Azure/AWS/GCP) is preferred
- Experience in Spring Framework (Spring boot, spring Batch), Spring MVC, Microservice model, RESTful web services
- Experience in databases like SQL Server, Oracle, PostgreSQL, MySQL, MongoDB is desired.
- Should have hands-on experience on Hibernate, JPA or MyBatis or any other persistence framework.
- Must have strong teamwork orientation and the ability to foster collaboration within and across teams
- Knowledge of Maven/gradle
- Knowledge of Docker, Kubernetes
- Good Communication skills ( English)
Primary Skills(Mandatory)
Core and Advanace Java 1.8 , Web and Microservice development using java (Jsp, Servlet, Spring boot, Spring MVC), Restful Web Services, Spring framework, RDBMS (Postgres, Mssql server), Hibernate
Secondary Skills
Java script, Frontend web development - (Angular,nodejs) ( Not mandatory)
Additional Information
- Should have experience of working in any previous IT Software company
- Any additional certification will be a plus
- Comfortable working from Office.
· Participate in the entire application lifecycle, focusing on coding and debugging
· Write clean code to develop functional web applications
· Troubleshoot and debug applications
· Perform UI tests to optimize performance
· Manage cutting-edge technologies to improve legacy applications
· Collaborate with Front-end developers to integrate user-facing elements with server- side logic
· Gather and address technical and design requirements
· Provide training and support to internal teams
· Build reusable code and libraries for future use
· Liaise with developers, designers and system administrators to identify new features
· Follow emerging technologies
JAVA SPRING BOOT DEVELOPER - Immediate Joiners
Work Experience: 4-7 years
Work location: Hyderabad
Must Have Skills: Spring Boot
Desired Candidate Profile
Proficiency in core Java & Spring framework
Expertise in Web Service technologies.
Excellent knowledge in Databases and code integrations such as Postgres SQL, SQL Server, MySQL
Experience with Java Spring Boot, Hibernate Cloud Services, AWS, S3, Server-less lambda functions
Experience with security principles and frameworks
Knowledge of modern authorization mechanisms, such as JSON Web Token and OAuth2 - Familiarity with code versioning tools such as Git, etc.
Essential skills are Core Java/J2EE, functional aspects, Spring Framework, Swagger, Tomcat, SVN, Git, Postman/Newman.
Should have worked in Agile methodologies.
Good object oriented and problem solving skills.
Strong communication skills along with the ability to work in a highly collaborative environment.
Role & Responsibilities
- Design and develop features using Java, Spring, and Hibernate
- Ability to design database schema, develop views and stored procedures
- Maintain existing software systems by identifying and correcting software defects
- Review and analyse business requirements and provide technical feasibility and estimates
- Coordinate the workflow between the UX team and front end developers
Qualification
- 4-7 years of work experience developing Java-based backend applications
- Around 2 year of work experience using Spring Boot, Spring Cloud and Microservices
- Bachelor degree in computer science, or information technology, or other related field of study
Job Description
Primary Skills
- Server Side (Java) & AWS serverless framework.
- Must have hands-on experience on serverless framework.
- Design knowledge/experience of cloud-based web application. Familiarity with software design representation tools like astah, visio etc.
- Must have good experience on AWS (Overall knowledge, EC2 Volume, EC2 Security Group, EC2 AMI, Lambda, S3, AWSbackup, CloudWatch, CloudFormation, CloudTrail, IAM, SecretsManager, StepFunction, CostExplorer, KMS, VPC/Subnet)
- Understanding business requirements w.r.t UI/UX.
- Working experience on development/staging/production servers.
- Good testing and verification skills
- Knowledge on SSL certificates and encryption.
- Knowledge on Docker containerization.
Soft Skills
- Excellent interpersonal, oral and writing communication skills.
- Strong Analytical and Problem-solving skills.
- Should have skills to understand and analyzecustomers requirements and expectations.
- Must have experience in interaction with customer
- Work experiences with international cross-culture teams (Good to have)
Secondary SKills
- Scripting using Python
- Good to have knowledge of identity management
- UI/UX
- Knowledge of ReactJS/typescript/bootstrap
- Understanding business usecases w.r.t UI/UX
- Fixing issues wrt to integration on cloud(front end/back end/system/services APIs)
Job description
We are looking for a passionate Software Development Engineer to develop, test, maintain and document program code in accordance with user requirements and system technical specifications. As a Software Development Engineer, you will work with other Developers and Product Managers throughout the software development life cycle.
Software Development Engineer responsibilities include analysing requirements, define system functionality and writing code in the companys current technology stack. The candidate is expected to be familiar with the software development life cycle (SDLC) process from preliminary system analysis to tests and deployment. Ultimately, the role of the Software Engineer is to build high-quality, innovative and fully performing software that complies with coding standards and technical design. Your goal will be to build efficient programs and systems that serve user needs.
To be qualified for this role, you should hold a minimum of Bachelor’s degree in a relevant field, like Computer Science, IT or Software Engineering. You should be a team player with a keen eye for detailed and problem-solving skills. If you also have experience in SDLC, Agile frameworks and popular coding languages (e.g., Java), strong computer science fundamentals we’d like to meet you.
Years of experience : 2 to 10 years.
Roles & Responsibilities
The overview of this position (based in Chennai, India) includes:
- Develops, enhances, debugs, supports, maintains and tests software applications that support business units or supporting functions. These application program solutions may involve diverse development platforms, software, hardware, technologies and tools.
- Participates in the design, development and implementation of complex applications, often using new technologies.
- Technology professional with experience in designing and managing the implementation of future looking, flexible and reusable, enterprise applications and components.
- Expert in translating business requirements into an application design that includes Data Model, Web Screens, Web Services, and batch processing.
- May provide technical direction and system architecture for individual initiatives.
- Serves as a fully seasoned/proficient technical resource.
- Deploy programs, gather and evaluate user feedback
- Recommend and execute improvements
- Create technical documentation for reference and reporting
- Develop software verification plans and quality assurance procedures
- Document and maintain software functionality
- Ensure software is updated with latest features
- Good interpersonal and technology understanding skills
- Evaluate open-source components and integrate into product pipeline
Skills and Qualifications
- Hands-on experience in analysis, design, coding, and implementation of complex, custom-built applications.
- Strong Java, development skills (JAVA, J2EE, STRUTS, SPRING, Web Services, Eclipse, UI screens, AngularJS, React.JS)
- Excellent debugging skills
- Strong knowledge on databases (MySQL, MSSQL Server and NoSQL databases)
- Understanding of various deployment servers (Apache Tomcat is a must)
- Understanding of OO skills, including strong design patterns knowledge is a must.
- Strong understanding in creating and maintaining web services.
- Understanding of the software development life cycle
- Experience with Implementation and release management activities
- Good understanding of unit/system and functional testing methodology
- Experience working in large transaction-based systems
- Knowledge of software best practices, like Test-Driven Development (TDD) and Continuous Integration (CI)
- Experience documenting technical functions
- Desire to contribute to the wider technical community through collaboration, coaching, and mentoring of other technologists.
- Experience in Linux based systems, development of shell-based scripts.
Job Training
- Training on the coding paradigms, guidelines, frameworks, usage of the applications would be provided by the engineers
- Periodic training sessions would be conducted by the technical architects in terms of technology and skills to be learnt
- Periodic, structured training would be provided on the applications Hours & Environment
- Typical 40 hours of work a week
- Depending on the requirements, work hours may have to be extended during the day, weekend









