Java Developer

Advanced Software Architect

Position Responsibilities :

• Lead the architecture and development of AI-powered, distributed systems that meet enterprise-grade performance and security standards.
• Leverage AI tools for code generation, architectural design, and documentation to accelerate delivery and improve quality.
• Design, build, and maintain services using Python, Java, and Node.js, following clean-code and secure design principles.
• Develop agentic AI-based tools, domain-specific copilots, and developer productivity enhancements.
• Collaborate with cross-functional teams to define modular, scalable, and compliant architecture patterns.
• Conduct technical design reviews and produce detailed documentation, including system specifications, API docs, and architecture diagrams.
• Integrate AI solutions into CI/CD pipelines, ensuring observability, automated testing, and deployment standards are met.
• Implement robust monitoring and performance engineering practices to maintain high-quality deployments.
• Continuously evaluate emerging AI technologies and integrate them into development workflows for maximum impact.
• Champion best practices in security, automation, and performance optimization across the organization.

Qualifications :

• 8+ years in software engineering with full-stack or backend development in Python, Java, and/or Node.js.
• 3+ years with AI tools for development, prototyping, or documentation tasks.
• Experience with cloud-native development and containerized deployment (Docker, Kubernetes).
• Knowledge of AI integration patterns, vector stores, prompt engineering, and RAG pipelines.
• Ability to design software architecture using sequence diagrams, ERDs, data models, and threat models.
• Comfortable with Gen AI-first environments and working with remote Agile teams.

Preferred Qualifications

• Experience building AI copilots or developer tools using OpenAI/Claude SDKs, LangChain, or similar frameworks.
• Experience working in a fast-paced, AIDLC environment, with a strong understanding of CI/CD practices.
• Familiarity with GitHub Actions, Argo Workflows, Terraform, and monitoring/observability tools.
• Containerization and Orchestration: Proficiency in Docker and Kubernetes for containerization and orchestration.
• Cloud Platforms: Experience with cloud computing platforms such as AWS, Azure, or OCI Cloud.

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.

✨ Develop & customize IBM Sterling OMS

✨ Build/consume REST APIs using Java & Spring Boot

✨ Work on OMS workflows, integration & order lifecycle

We’re looking for a Java Backend Developer with strong experience in Spring Boot, AWS, and Microservices to join our growing team. If you're passionate about scalable backend systems and love working in a fast-paced environment, we want to hear from you!

What You’ll Bring:

• 4+ years of backend development experience
• Strong hands-on expertise in Core Java and Spring Boot
• Experience designing and developing Microservices architecture
• Solid working knowledge of AWS services
• Familiarity with RESTful APIs, version control (Git), and CI/CD
• Strong problem-solving and debugging skills
• Ability to work independently and in a collaborative team environment
• Immediate joiners are highly preferred

Job Description:
We are looking for a Software Engineer with solid development experience in Java and related frameworks. We are looking for a self-motivated, go-getter, out-of-the-box thinker who is ready to work in a high-energy start-up environment. He/she must demonstrate a high level of ownership, integrity, and creativity.
Required Skills:
• Core Java (Proficient)
• Spring, Spring MVC OR Spring boot
• Hibernate – Good to have
• Oracle/MySQL DB - Hands-on (Intermediate)
• REST API and AWS– Good to have
• Hands-on experience of working on Spring boot based Microservices (Intermediate)
• Good to have knowledge of Microservice DevOps tools (Git, Jenkins, JUnits, deployment, monitoring, tracing)
• Sound understanding of core Java, SOAP Services, REST Services, Spring & maven, having expertized to work on Unix platform
• Should have working knowledge on web servers (e.g. Apache HTTP) and application servers (e.g. Tomcat, WebLogic)
• Should have a working knowledge of any relational database. Preferred will be Oracle and MySQL.
Roles and Responsibilities:
• You will design, develop, modify, debug and/or maintain software code according to functional, non-functional and technical design specifications.
• You will follow software engineering standards, applicable software development
methodology and release processes, to ensure code is maintainable, scalable,
supportable and demo the software products to stakeholders
• You will investigate issues by reviewing/debugging code, providing fixes and workarounds, and reviewing changes for operability to maintain existing software solutions.
• You will work within a team, collaborate and add value through participation in peer code reviews, provide comments and suggestions, work with cross-functional teams to achieve goals.

Why should you join Opcito?
We are a dynamic company that believes in designing transformation solutions for our customers with our ability to unify quality, reliability, and cost-effectiveness at any scale. Our core work culture focuses on adding material value to client products by leveraging best practices in DevOps like continuous integration, continuous delivery, and automation, coupled with disruptive technologies like cloud, containers, serverless computing, and microservice-based architectures.
Here are some of the perks of working with Opcito:
• Outstanding career development and learning opportunities
• Competitive compensation depending on experience and skill
• Friendly team and enjoyable work environment
• Flexible working schedule
• Corporate and social events.

• - 5+ Years working experience as Java Development
• - Hands on using Microservices
• - Extensive experience on Spring boot / spring
• Primary Skill: Java, Microservices

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Additional Responsibilities: • Knowledge of more than one technology • Basics of Architecture and Design fundamentals • Knowledge of Testing tools • Knowledge of agile methodologies • Understanding of Project life cycle activities on development and maintenance projects • Understanding of one or more Estimation methodologies, Knowledge of Quality processes • Basics of business domain to understand the business requirements • Analytical abilities, Strong Technical Skills, Good communication skills • Good understanding of the technology and domain • Ability to demonstrate a sound understanding of software quality assurance principles, SOLID design principles and modelling methods • Awareness of latest technologies and trends • Excellent problem solving, analytical and debugging skills Technical and Professional Requirements: • Primary skills: Java • Desirables: Java->Microservices, Java->Springboot Preferred Skills: Java Generic Skills: Java->Microservices Java->Springboot Educational Requirements Bachelor of Engineering Service Line Application Development and Maintenance * Location of posting is subject to business requirements.

Objective of the Role:
We are here to build a world-class tech organization with elite engineers and change-agents who would spearhead this change. Currently, we are looking for engineers who are skilled, passionate, driven and a wee bit crazy (yes, crazy works!) to join our tribe. The current position is for the supply chain teams and our primary focus is on scale and cost optimization. The small tweaks you make, the processes you alter, experiments you run and the business decisions you drive will have reverberating effects on our ability to add value to our customers and keep them coming back for more.

Role & Responsibilities

• Design and build the system which enables the logistics team to store and deliver 15 million products per month to customers across 20 cities in India
• Work on the vision, roadmap, and processes that make customer delivery experience more delightful
• Work across teams to design a platform that scales and is flexible enough for various kinds of future scenarios
• Work on optimizing the whole logistics supply chain from warehouse to customer
• Innovate to improve the efficiency of the existing supply chain systems
  Desired skills & abilities:
• 3-6 years of experience in software development
• B.Tech. / B.E. degree in Computer Science or equivalent software engineering degree/experience
• Experience in architecture and system design 2Experience in running high performance distributed systems
• Understanding and implementation of security and data
• Highly experienced in back-end programming languages like Python, Java, JavaScript
• Experience with cloud message APIs and usage of push
• Knowledge of code versioning tools such as Git, Mercurial or SVN
• Solid experience in software development practices
• Ability to mentor and manage teams
• Exposure to Agile/Scrum and Design thinking approaches
  
  
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1. 2+ years of experience building REST APIs with Java
2. 1+ years of experience in maintaining REST APIs documentation.
3. 2+ years of experience programming and delivering in a production environment
4. Expertise working with data structures and algorithms
5. Proficiency in object-oriented programming and experience applying modern design patterns.