Tech Lead (Java)

JOB DESCRIPTION:

• 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:

• 4– 12 years of strong hands-on experience in Core Java.
• 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.

Why Join Wissen Technology?

• Be a part of a high-growth organization that has expanded 400% in the last five years.
• Work alongside leadership and engineers from IITs, IIMs, MIT, Wharton, and other top institutions.
• Engage with Fortune 500 clients and deliver high-impact projects.
• Certified as a Great Place to Work®.
• Recognized as a Top 20 AI/ML Vendor by CIO Insider (2020).
• Work on next-gen technologies: AI/ML, Big Data, Cloud, DevOps, RPA, and more.
• Global presence across US, India, UK, Australia, Mexico, and Canada.

Website : www.wissen.com 

1 Senior Associate Technology L1 – Java Microservices

Company Description

Publicis Sapient is a digital transformation partner helping established organizations get to their future, digitally-enabled state, both in the way they work and the way they serve their customers. We help unlock value through a start-up mindset and modern methods, fusing strategy, consulting and customer experience with agile engineering and problem-solving creativity. United by our core values and our purpose of helping people thrive in the brave pursuit of next, our 20,000+ people in 53 offices around the world combine experience across technology, data sciences, consulting and customer obsession to accelerate our clients’ businesses through designing the products and services their customers truly value.

Job Description

We are looking for a Senior Associate Technology Level 1 - Java Microservices Developer to join our team of bright thinkers and doers. You’ll use your problem-solving creativity to design, architect, and develop high-end technology solutions that solve our clients’ most complex and challenging problems across different industries.

We are on a mission to transform the world, and you will be instrumental in shaping how we do it with your ideas, thoughts, and solutions.

Your Impact:

• Drive the design, planning, and implementation of multifaceted applications, giving you breadth and depth of knowledge across the entire project lifecycle.

• Combine your technical expertise and problem-solving passion to work closely with clients, turning • complex ideas into end-to-end solutions that transform our clients’ business

• Constantly innovate and evaluate emerging technologies and methods to provide scalable and elegant solutions that help clients achieve their business goals.

Qualifications

➢ 5 to 7 Years of software development experience

➢ Strong development skills in Java JDK 1.8 or above

➢ Java fundamentals like Exceptional handling, Serialization/Deserialization and Immutability concepts

➢ Good fundamental knowledge in Enums, Collections, Annotations, Generics, Auto boxing and Data Structure

➢ Database RDBMS/No SQL (SQL, Joins, Indexing)

➢ Multithreading (Re-entrant Lock, Fork & Join, Sync, Executor Framework)

➢ Spring Core & Spring Boot, security, transactions ➢ Hands-on experience with JMS (ActiveMQ, RabbitMQ, Kafka etc)

➢ Memory Mgmt (JVM configuration, Profiling, GC), profiling, Perf tunning, Testing, Jmeter/similar tool)

➢ Devops (CI/CD: Maven/Gradle, Jenkins, Quality plugins, Docker and containersization)

➢ Logical/Analytical skills. Thorough understanding of OOPS concepts, Design principles and implementation of

➢ different type of Design patterns. ➢ Hands-on experience with any of the logging frameworks (SLF4J/LogBack/Log4j) ➢ Experience of writing Junit test cases using Mockito / Powermock frameworks.

➢ Should have practical experience with Maven/Gradle and knowledge of version control systems like Git/SVN etc.

➢ Good communication skills and ability to work with global teams to define and deliver on projects.

➢ Sound understanding/experience in software development process, test-driven development.

➢ Cloud – AWS / AZURE / GCP / PCF or any private cloud would also be fine

➢ Experience in Microservices

Your Impact:

• Implements Digital Consumer experiences based on a foundation of SFCC (Salesforce commerce cloud) to meet expected quality standards

• Ensures functional requirements and high-level solution designs are understood and are translated into detailed technical design

• Implement proofs of concept to prove any new technologies, application flows or integration scenarios and identify customizations needed to SFCC platform for meeting client requirements

• Guides the performance tuning and scalability of the ecommerce solution

• Diagnose and solve technical problems during implementation and support phases

Your Skills & Experience:

•  4-8 Years with 2+ years of implementing commerce application on any eCommerce platform in last 3 years

• If you have not worked in eCommerce platform, we can still discuss with you if you are expert in Java/Net and understand REST/SOAP webservices.

• Demonstrate proficiency in build and release management using CI/CD strategies (leveraging tools like Jenkins and DevOps practices), implement Mocha/Chai unit and functional test cases in order to reduce costs while ensuring quality
. Contributes to designing, implementing and documenting the build release process as well as system configuration and deployment characteristics of the applications

• Participates in technical walkthroughs/ code reviews of other team members’ components, test plans and results and help them with gaps

• Collaborate with architect to define implementation processes and quality gates and standards

• Identifies risks and issues, and help monitor them

• Guides the development of reference and resource materials

• Mentors developers in improving their platform knowledge and development skills

• Communicate technical design to the developers and help/guide them in the implementation

• Participates in Agile sprints

Set Yourself Apart With:

• eCommerce platform certification

• Security considerations – OWASP, CSRF, reCAPTCHA etc. – Basic knowledge or experience

• Git Development workflow – Proficient

• Visual Studio Code IDE or Eclipse IDE - Proficient

• Knowledge on Agile methodology and desired tools like Jira, confluence etc.

• Scripting/development experience with Node.js, Mocha/Chai

• Experience working in any Salesforce cloud environment like SFMC, SFSC etc.

• Excellent written, verbal communication and articulation skills & Good team player

• Self-starter and self-learner with keen interest to grow

• Process orientation and the ability to define and setup processes

• Ability to provide necessary coaching to bring team members up to speed on the technology

• Ability to prioritize and manage multiple tasks

• Excellent and innovative approach to problem solving and finding solutions

• Flexible and proactive/self-motivated working style with excellent personal ownership of problem resolution

Roles and Responsibilities

• Developing custom layer code based on solution designed following standard coding practice and
• Needs to adhere to committed delivery timelines
• Sharing status update to supervisors on time
• Needs to interact with customer for issue analysis & resolution related to Product & Interfaces developed
• Issue/log analysis and fixing- Innovate and create re-usable component

Desired Candidate Profile

• Education: B. Tech/MCA
• Good analytical and problem solving skills
• Knowledge of reporting tool like JASPER
• Hands on experience in Core Java[Threading, Collections, Exception handling]
• Strong in OOPs concept
• JSP, Spring Core, MVC, Hibernate, J Query
• Basic knowledge of SQL, PLSQL
• Writing and maintaining unit test cases
• Technical architecture
• log analysis, l1/l2
• Custom layer development

Location: Noida (currently WFH)

Compensation: commensurate to experience and technical skills

To apply for this position, write to shweta.gupta@invokhr. Share your updated resume along with following details:

• Current CTC
• Expected CTC
• Availability to join (immediate joiners preferred)
• Key skills
• Any other highlight for your fitment to the position

Java with cloud

Responsibilities & ownership

• Lead, build, deliver and ensure customer success of next-generation features related to scalability, reliability, robustness, usability, security, and performance of the product.
• Work on distributed systems for data processing with efficient protocols and communication, locking and consensus, schedulers, resource management, low latency access to distributed storage, auto scaling, and self healing.
• Understand and reason about concurrency and parallelization to deliver scalability and performance in a multithreaded and distributed environment.
• Lead the team to solve complex and unknown problems 
• Solve technical problems and customer issues with technical expertise
• Design and deliver architectures that run optimally on public clouds like  GCP, AWS, and Azure
• Mentor other team members for high quality and design 
• Collaborate with Product Management to deliver on customer requirements and innovation
• Collaborate with Support and field teams to ensure that customers are successful with Dremio

Requirements

• B.S./M.S/Equivalent in Computer Science or a related technical field or equivalent experience
• Fluency in Java/C++ with 3alm+ years of experience developing production-level software
• Strong foundation in data structures, algorithms, multi-threaded and asynchronous programming models, and their use in developing distributed and scalable systems
• 5+ years experience in developing complex and scalable distributed systems and delivering, deploying, and managing microservices successfully
• Hands-on experience  in query processing or optimization, distributed systems, concurrency control, data replication, code generation, networking, and storage systems
• Passion for quality, zero downtime upgrades, availability, resiliency, and uptime of the platform
• Passion for learning and delivering using latest technologies
• Ability to solve ambiguous, unexplored, and cross-team problems effectively
• Hands on experience of working projects on AWS, Azure, and Google Cloud Platform 
• Experience with containers and Kubernetes for orchestration and container management in private and public clouds (AWS, Azure, and Google Cloud) 
• Understanding of distributed file systems such as  S3, ADLS, or HDFS
• Excellent communication skills and affinity for collaboration and teamwork
• Ability to work individually and collaboratively with other team members
• Ability to scope and plan solution for  big problems and mentors others on the same
• Interested and motivated to be part of a fast-moving startup with a fun and accomplished team

• 5-7+ years of commercial Java development experience
• Experience with well known Open Source frameworks/libraries, like Spring Boot
• Work experience with Docker
• Microservice experience
• Experience with AWS like ECS, Lambda, SQS, RDS, Kinesis streams
• Familiar with iterative development
• Upper-intermediate level of English
• Solid understanding of communication and network protocols (TCP/IP, HTTP).
• At ease with Unix/Linux
• Excellent analytical and debugging skills
• Familiar with both SQL and noSQL databases (MySQL, DynamoDB, Memcached, Redis)
• Practical experience with scaling applications to big user numbers is a plus
• Experience with other programming languages is a plus.

We are looking for a highly capable Node.js developer to optimize our web-based application performance. You will be collaborating with our front-end application developers, designing APIs, and integrating data storage and protection solutions.

• Minimum of two years previous experience as a Node.js developer.
• Minimum of two years of experience developing applications using MongoDB.
• Minimum of one year of experience developing applications using ExpressJs.
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
• Exceptional analytical and problem-solving aptitude.
• Great organizational and time management skills.
• Availability to resolve urgent web application issues outside of business hours.

• Ensuring optimal performance of the central database and responsiveness to front-end requests.
• Collaborating with front-end developers on the integration of the APIs.
• Developing high-performance applications by writing testable, reusable, and efficient code.
• Implementing effective security protocols, data protection measures, and storage solutions.
• Running diagnostic tests and identifying bugs.
• Documenting Node.js processes, including database schemas.
• Recommending and implementing improvements to APIs.

Job Description

Paytm is looking for hands-on technologists, who will be responsible for architecting & designing new age mobile & web 3.0 products at Paytm.

Key Responsibilities

 Incumbent will be architecting our futuristic mobile & web 3.0 products and choose the best

technologies, components and subsystems on different server side tech.

 Driving innovations in the product constantly to remain ahead of the curve.

 Serve as a thought leader and mentor on technical, architectural, design and related issues.

 Proactively identify architectural weaknesses and recommend appropriate solutions.

 Balance short-term versus long-term actions, strategic versus tactical requirements, while

continuing to move forward towards the strategic vision.

 Collaborate with cross functional teams to solve complex problems and building products

spanning across multiple teams to deliver end-to-end products & features.

 Estimates efforts, identify risks, devises and meets project schedules.

 Provide functional, design, and code reviews in related areas of expertise with-in team and

cross-team.

 Mentor / coach engineers to facilitate their development and provide technical leadership to

them. 

Skills required

 MS or BS/B.Tech in computer science or equivalent experience from top college.

 3+ years of strong software design/development experience in building massively large scale

distributed internet systems and products.

 Hands-on experience in Advanced Java/ Node.JS/other backend JavaScript

frameworks, MySQL/NoSQL, golang, etc.

 Excellent data structure & algorithm and problem solving skills.

 Experience and knowledge of open source tools & frameworks, broader cutting edge

technologies around server side development.

 Should be an active contributor to developer communities like Stackoverflow, Topcoder, Github,

Google Developer Groups (GDGs).

 Superior organization, communication, interpersonal and leadership skills.

 Must be a proven performer and team player that enjoy challenging assignments in a high-

energy, fast growing and start-up workplace.

 Must be a self-starter who can work well with minimal guidance and in fluid environment.