Senior Java Developer

JOB DESCRIPTION:

Location: mumbai, bangalore, pune

Mode of Work : 3 days from Office

DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API

• Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
• Implement and integrate APIs using Spring Framework and Apache CXF.
• Build microservices-based architecture for scalable and distributed systems.
• Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
• Optimize performance through efficient multithreading, memory management, and algorithm design.
• Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
• Work with RDBMS (preferably Sybase) for backend data integration.
• Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
• Work in Unix/Linux environments for deployment and troubleshooting.

Required Skills & Experience:

• 3– 8 years of strong hands-on experience in Core Java, Spring boot, microservices, data structures.
• Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
• Proven experience with Spring, CXF, and REST/SOAP web services.
• Solid understanding of microservices architecture and distributed systems.
• Experience working with Sybase or other relational databases.
• Expertise in multithreading, concurrency, and high-throughput server-side development.
• Exposure to capital markets, sales & trading platforms, or similar financial services applications.
• Good working knowledge of Unix/Linux environments.
• Experience in solution architecture and design documentation is a strong plus.
• Strong problem-solving skills, analytical thinking, and a proactive attitude.
• Excellent communication and interpersonal skills to work effectively with global teams.

Preferred Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• Previous experience in investment banking, capital markets, or financial technology domains.

For more details:

Website: www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

LinkedIn: Wissen Technology

We are seeking a highly skilled and motivated Python Developer with hands-on experience in AWS cloud services (Lambda, API Gateway, EC2), microservices architecture, PostgreSQL, and Docker. The ideal candidate will be responsible for designing, developing, deploying, and maintaining scalable backend services and APIs, with a strong emphasis on cloud-native solutions and containerized environments.

Key Responsibilities:

• Develop and maintain scalable backend services using Python (Flask, FastAPI, or Django).
• Design and deploy serverless applications using AWS Lambda and API Gateway.
• Build and manage RESTful APIs and microservices.
• Implement CI/CD pipelines for efficient and secure deployments.
• Work with Docker to containerize applications and manage container lifecycles.
• Develop and manage infrastructure on AWS (including EC2, IAM, S3, and other related services).
• Design efficient database schemas and write optimized SQL queries for PostgreSQL.
• Collaborate with DevOps, front-end developers, and product managers for end-to-end delivery.
• Write unit, integration, and performance tests to ensure code reliability and robustness.
• Monitor, troubleshoot, and optimize application performance in production environments.

Required Skills:

• Strong proficiency in Python and Python-based web frameworks.
• Experience with AWS services: Lambda, API Gateway, EC2, S3, CloudWatch.
• Sound knowledge of microservices architecture and asynchronous programming.
• Proficiency with PostgreSQL, including schema design and query optimization.
• Hands-on experience with Docker and containerized deployments.
• Understanding of CI/CD practices and tools like GitHub Actions, Jenkins, or CodePipeline.
• Familiarity with API documentation tools (Swagger/OpenAPI).
• Version control with Git.

Java Developer – Job Description  

Wissen Technology is now hiring 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 consultancy.  

Required Skills:  

• Exp. - 2 to 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.  

 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 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. 

We're looking for highly skilled experienced engineers to design and build high-scale, cloud-based data processing systems that can handle massive amounts of data with low latency. You'll work with a team of smart, motivated, and diverse people and be given the autonomy and support to do your best work. This is a rare opportunity to make a meaningful impact in society while working in a dynamic and flexible workplace where you'll belong and be encouraged.

Qualifications:

• Bachelor's Degree required
• Significant experience with distributed systems.
• Experience with modern programming languages such as Java, C#, C/C++, or Ruby.
• Experience with container platforms such as DC/OS, Kubernetes
• Fluency in technologies and design concepts around Big Data processing and relational databases, such as the Hadoop ecosystem, Map/Reduce, stream processing, etc.
• Experience with production operations and good practices for putting quality code into production and troubleshooting issues when they arise.
• Effective communication of technical ideas verbally and in writing, including technical proposals, design specs, architecture diagrams, and presentations.
• Ability to collaborate effectively with the team and other stakeholders.
• Preferably, production experience with Cloud and data processing technologies.

Responsibilities:

As a member of the software engineering division, you will take an active role in the definition and evolution of standard practices and procedures. Define specifications for significant new projects and specify, design and develop software according to those specifications. You will perform professional software development tasks associated with the developing, designing and debugging of software applications or operating systems.

• Design and build distributed, scalable, and fault-tolerant software systems.
• Build cloud services on top of the modern OCI infrastructure.
• Participate in the entire software lifecycle, from design to development, to quality assurance, and to production.
• Invest in the best engineering and operational practices upfront to ensure our software quality bar is high.
• Optimize data processing pipelines for orders of magnitude higher throughput and faster latencies.
• Leverage a plethora of internal tooling at OCI to develop, build, deploy, and troubleshoot software.

• Experience working with ASP.NET MVC, Entity Framework, LINQ, NoSQL, and Message Queue
• Demonstrated understanding of best practices in building web based applications
• Familiarity with SQL Server / Oracle Databases
  
  
• Demonstrated knowledge of enterprise architecture, design patterns and SOA services 
  
  
• Responsible for design, code, configuration, and implementation of high quality software solutions
• Analyzes and automates tasks, automating tasks through scripting and tools
• Works closely with technical leaders to help develop solution architecture, core system components, and proof of concepts
• Work both autonomously and with relevant teams to tackle complex technical issues
• Participate in design, code, and QA walkthroughs and reviews

What we look for:

• Strong analytical and problem-solving skills
• Hands on programming work in Advance Java, Springs, Spring Boot framework,
• Ability to independently work on complex business requirements 
• Ability to communicate clearly and concisely 

What will you do:

You will independently work on designing and developing solutions that solve customer’s business problems. You will own the assigned problem statements, evaluate multiple technical approaches and use design-thinking to take independent decisions while implementing the solution. You will also guide junior members of the team and participate in code and design review process.

Who should apply:

You have -

• a graduate degree in BE, BTech, MTech, MCA from a reputed institute
• 5 to 7 years of hands-on experience in programming Core Java 8, Spring Boot, Spring Rest Template, Spring Security, Spring Data, Spring JDBC Template
• Good to Have experience/knowledge on Docker, Oracle, MongoDB, Quartz Scheduler, Shell scripting
• Working experience with Windows, Linux environments

Few words about Unify Technologies: Unify a Digital Engineering company. We help our clients by providing Digital Engineering Services to develop high-quality products. We have extensive experience in software product engineering and a successful track record of delivering on aggressive delivery plans without compromising on the quality in Cloud, Mobile, and Data practices.

If you are looking for a solid opportunity to put your Computer Science skills to test you are in the right place. We need some hard-core programming help to help enhance our Data management frameworks used to move data between platforms and systems seamlessly.

Employment Type: Full-Time

Position: Sr SDE - Senior Software Development Engineer (Java Back-End Development)

Project: Product-Apple’s Maps and Advertising Platforms

Experience: 4-8 Years

Key Skills: Java Programming + Spring Boot + REST / Java + SQL

Joining time: Immediate to 30 days

Work Location: Hyderabad - India

Education: Master’s/Bachelor’s degree in Computer Science, Statistics, Engineering or a related technical discipline will be preferred

Detailed Job Description: At UNIFY, great ideas have a way of becoming great products, services, and customer experiences very quickly. Bring passion and dedication to your job and there's no telling what you could accomplish. 

We are looking to hire extraordinary individuals with strong communication and interpersonal skills and ability to work effectively across multiple business and technical teams. As a part of this team, you will build cutting edge software service, one that is continually innovating and is proud of making a difference. 

You should be a self-starter, motivated, with exceptional interpersonal skills as well as a positive and flexible approach to problems. The applicant should have the ability to thrive in a fast-paced, tight deadline delivery timeline. As a part of this dynamic team, the applicant will help us build the product experience on a global scale. 

If you’ve responded positively to the above questions and want to work in a great, international team, that is passionate, creative, ambitious, open to knowledge-sharing, and loves to cooperate with each other - join us!

Key Qualifications:

• Minimum of 4 years experience implementing large-scale production systems

• Hands-on experience with design, development and productizing highly available, distributed and scalable transactional enterprise systems.

• Strong hands-on programming experience in Java/J2EE building middleware or backend applications.

• Strong development experience of microservices architecture in a highly distributed environment with web services, Spring, Spring Boot, Hibernate and SOA

• Experience with RDBMS like Oracle and NoSQL databases such as MongoDB, Couchbase, Elasticsearch

• Sharp troubleshooting skills and real-world systems deployment experience.

• Proven track record with rapid development cycles and demanding schedules

• Experience doing Software Development using Agile methodologies

• Understanding or experience working on Cloud technologies is a plus

Roles & Responsibilities:

• Design and implement web APIs.

• In this role, you will be involved in the end to end cycle of design, development and deployment of core services for mission-critical customer-facing applications. 

• Results-oriented and demonstrate a high degree of ownership and accountability.

• Experience handling distributed vendor resources

• Creative problem solver and excellent collaborator, who thrives in a fast-paced, innovative environment.

• Communicate quickly and effectively; vertically and horizontally through the organization.

• Influence others to get things done.

• Must possess excellent problem-solving & analytical skills.

• Handle ambiguity and solve problems despite uncertainties.

• Ability to lead large projects focusing on innovation, teamwork and results.

• Proven track record of achieving outstanding results in a professional career