- Java, J2EE
- Microservices
- Spring Boot
- JPA, REST API, JSON, JWT, OAuth, Spring Security, Swagger
- Oracle / MySQL / Postgres DB
- Angular / React / React Native
- JIRA, Bitbucket
Must-Have -
- Excellent knowledge of Core Java and Spring
- Strong experience in REST API and web services
- Experience in Oracle / Mysql / Postgres DB
- Should be efficient with Java J2EE and related technologies
- Should have very good communication skills and analytical skills.
- Should have good knowledge in Software Development Life Cycle and Agile methodologies.
- Good knowledge of current / emerging technologies and trends
- Good analytical and problem-solving skills
- Excellent written and verbal communication skills. High levels of initiative and creativity
- Good communication skills with all stakeholders, good team player with the ability to mentor juniors
Good to Have:
- Knowledge in Banking Domain
- Full-stack developers with knowledge and understanding of Javascript and associated technologies like React, Angular, HTML5, CSS will have an advantage.
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Job Description:
- Experience in Core Java, Spring Boot.
- Experience in microservices.
- Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
- Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
- Good knowledge of multi-threading
- Basic working knowledge of Unix/Linux
- Excellent problem solving and coding skills in Java
- Strong interpersonal, communication and analytical skills.
- Should be able 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.
About Team:
CaratLane's mission is to help customers express their emotions through jewellery. Consumer Experience Technology team is an enabler to deliver the exceptional Consumer Experience and WoW business features in large scale website, apps and backend systems.
What do we want:
* 5 to 8 years of experience in Java and Spring Boot working with large scale backend applications
* Expertise in PostgreSQL and any of caching databases
* Experience in developing RESTful/GraphQL APIs and microservices based applications
* Good problem solving and debugging skills.
* Exposure on event-driven, asynchronous I/O
* Good knowledge of engineering excellence: Unit Testing/TDD, Code quality, Documentation, CI&CD
* Experience in non-functional requirements (Scalability, Performance optimisation, Security)
* Experience is Linux development and AWS ecosystem tools
Required skills:-
2+ years of experience in the Development of JAVA technology.
Strong Java Basics
SpringBoot or Spring MVC
Hands-on experience on Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
Proficient in REST API development
Messaging Queue (RabitMQ or Kafka)
Microservices
Any Caching Mechanism
Good at problem-solving
Good to Have Skills:
2+ years of experience in using Java/J2EE tech stacks
Good understanding of data structures and algorithms.
Excellent analytical and problem solving skills.
Ability to work in a fast-paced internet start-up environment.
Experience in technical mentorship/coaching is highly desirable.
Understanding of AI/ML algorithms is a plus.
Job Description for Drools developer -
- Hands on experience in design and development in Drools rule engine (minimum 1.5 years) and Core Java
- Exceptional ability to communicate with both technical and non-technical people
- Expertise in object oriented programming
- Experience in Deploying and supporting core and advanced features
- Good exposure to SQL and/or Oracle/ MySQL,
- Candidate should be well verse with Agile processes
- Strong ability to work collaboratively across diverse groups of business and technical stakeholders is required.
We are looking for Advance Java developers who want to help us design cutting edge scalable products to meet our rapidly growing business.
Key Responsibilities : -
Build high availability and extreme reliable high volume transactional systems.
Deliver reliable solutions that handle massive data and high traffic. - Complete ownership of problem-free execution of owned modules and solutions.
Focus on code optimization, code quality, maintainability etc.
Skills required : -
MS or BS/B.Tech in computer science or equivalent experience from top college.
Hands-on experience in Core J2EE or Core Java (collection, multithreading).
Proficiency in Struts, Spring, Hibernate, JDBC, JSP, Servlets.
Strong working knowledge of Databases - MySQL/NoSQL, OS Windows/Linux.
Experience and knowledge of open source tools & frameworks, broader cutting edge technologies around server side development. Excellent data structure & algorithm and problem solving skills. Should be an active contributor to developer communities like Stackoverflow, Topcoder, Github, Google Developer Groups (GDGs). Customer-focused, react well to changes, work with teams and able to multi-task. - 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
Job Description:
3+ years of experience as a JAVA/J2EE technologies developer in delivering highly available and scalable applications in a cloud operating environment. - Expertise in Spring framework and equivalent.
- Experience in developing Java Microservices using spring boot, docker, Kubernetes etc.
- Programming expertise in Java, JavaScript; and familiarity with other languages.
- Experience building, testing, and consuming REST APIs is a must have experience.
- Experience with high-throughput messaging technologies and patterns; Kafka and/or related technologies a plus.
- Exposure to databases of any types relational, analytical, columnar, etc; including MySql.
- Experience with Git source control and building/maintaining Continuous Integration and Delivery pipelines; Jenkins experience a plus.
- Expertise in Object-Oriented Development.
- Experience working in an Agile/Scrum-inspired delivery methodology. - Expertise with database programming, transaction management. Expertise with build tools – MAVEN, Gradle.
- Expertise in design patterns and data structures.
- Good understanding of Unit test tools.
- Good analytical skills to break down requirements and solve complex problems.
- Good understanding of Source control toolsets.
- Well-developed verbal and written communication skills.
- Proven track record to meet aggressive timelines.
Required Skills:
Good to have
- Understanding CI tools like Jenkins, Bamboo.
- Experience with Google Cloud Platform or equivalent.
- Experience with Microservices and/or Monolith to Microservice migration.
- Experience with frontend technologies like to react, angular is a plus
- Good Linux experience
Job title and location:
Sr. Backend Developer, based in Bangalore, India
Who we are:
VAHN is a seed-funded fintech and mobility application which integrates tracking, load planning, billing, performance management and cost management with a payment wallet and seamless credit to deliver a powerful solution for truck-owners and truck-drivers.
We are a very small team with a big idea and lots of passion, and we’re on a mission to bring Indian trucking into the next generation of tech.
The trucking industry in India is fragmented, unorganised, and fraught with numerous challenges that haven’t yet been solved. Although the industry is ripe for disruption, not many have been able to take advantage of the opportunity because of a lack of exposure to ground realities and practical challenges. Combining years of research and first-hand experience running trucks ourselves, we believe we have an edge.
We are looking for a passionate teammate who is as excited about the mission as we are, and is keen to delve deep into this challenging but exciting space. Trucking is getting upgraded, are you in?
What we are looking for:
// Passion for good design and hunger for making a big impact
// Extensive experience in backend engineering along with the best practices as per language
// Ability to thrive in complexity
// Leadership qualities and versatility
What you should enjoy doing:
// Building exceptional products with robust and reliable code
// Working in a fast-paced, ambiguous environment
// Collaborating with designers playing a critical role in design, planning, development and deployment
// Being the technical voice at the table, educating and guiding the business on the right approach, technologies, and trends
// Building a team and mentoring fresh talent
What the role is about:
As a core team member you will design and develop the next-generation of technologies for the Indian trucking industry with the potential to change how millions of drivers, truck owners, transporters, and shippers manage their businesses and transact with one another. Some specific responsibilities include,
// Building scalable, reliable, and high-performing tech infrastructure
// Improving operational excellence by identifying and building the right solutions for observability and manageability
// Continuously discovering, evaluating, and implementing new technologies to maximize development efficiency
// Developing robust, quick prototypes for proof-of concept features / application based on briefs
// Unit-test coding for robustness, including edge cases, usability, and general reliability.
// Providing development support, code review and optimisation.
// Working with outside data sources and APIs.
Qualifications:
// 5+ years of backend engineering experience
// Experience working with Microservices/RESTful APIs (Http/WebSockets), /Swagger/OpenPI, third-party SDK Integrations and common technologies like HTTPS, JSON, OAuth, and SQL
// Experience working with Java 11 and above, SpringBoot 5.x/Micronaut 3.x
// Proven experience at building actor based systems and Reactive programming is a big plus
// Demonstrated experience at using messaging system such as Kafka/Rabbit MQ/SQS/SNS
// Experience at unit testing with Junit/Mockito
// Good understanding of Data Structures and Algorithms
// Experience with multi-tier application architecture and design
// Cloud experience/knowledge (AWS/GCP)
// Experience at developing containerised applications using Docker/Kubernetes
// Experience at building systems using MySQL/Cassandra/MongoDB
// Knowledge of Microservices patterns is a big plus
// Knowledge of serverless computing (AWS Lambda/Cloud Functions) is a big plus
// Experience in structuring solutions with Redis as caching layer
// Experience at building integration with external systems is a plus
// Strong written and verbal communication and ability to gain buy-in from a non-technical audience
Job Description:
- Programming and optimizing smart contracts
- Design, research and develop blockchain-based solutions
- Developing decentralized high-performance systems
- Building reliable and fast data storages
- Security audits of third-party and internal solutions
- Establishing policies and procedures that produce secure, high-quality software
- Write and review technical proposals
- Improve engineering standards, tooling, and processes
- Coding with concurrency, efficiency and scalability as primary motive
- Document systems, build runbooks, and automate those processes
- Being hands on by writing, testing, and deploying high-performance networking code
- Rigor on clean code, unit testing, code coverage and best practices
- Developing infrastructure software
Required qualifications:
4+ years experience in JAVA, 1+ year of experience in Blockchain, willingness to learn on the go, ability to write clean code, a strong sense of responsibility.
Tech Stack:
JAVA, git, linux, bash, ability to work with Docker.
Nice to have:
cryptography and system software development experience, understanding of design patterns, understanding of operating systems and networks, ability to design algorithms and mathematical models.
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.
Responsibilities Include
You will break down business opportunities and problems into software solutions. You will work closely with the CTO to help product and marketing stakeholders distill the product vision and roadmap, into a technology vision. You will be responsible for the evolution of an already bleeding-edge highly distributed systems at the back-end, and would need to work with front-end architects to come up with the best user experience for the gaming platform. You will be required to make decisions quickly, and work under strict timelines. You would lead technology strategy through analysis of market trends and product requirements. You would help set coding guidelines and help bring the most modern tools to keep engineering processes most efficient.
Requirements
- B.E/MS in Computer Science or equivalent.
- 10+ years or more of progressive software technology experience with at least 3 years in an architectural role.
- Completely hands on with technology and architecture. Start-up experience is a huge plus.
- Ability to quickly prototype and demonstrate technology value adds and educate + drive adoption within the extended technology team
- Excellent and robust understanding of scalable product system architecture(s), platforms and core technologies
- Demonstrated problem-solving and leadership skills to pursue correct engineering process in adverse conditions. Ability to embrace and demonstrate leadership beyond ownership
- Work with engineering leadership to setup and manage processes.
- Track record of thought leadership and out of the box thinking in the technology arena.
- Ability to work efficiently in an entrepreneurial and in a start-up environment
- A Java/Spring/Akka, Javascript or Golang rockstar.
- Deep and hands on knowledge of some of these technologies - MySQL, NodeJS, message brokers such as Kafka/RabbitMQ, NoSQL datastore such as Mongo, Cassandra, Arango, distributed caches such as Redis/memcached, container technology such as Docker and Kubernetes etc.
- Great proficiency in distributed systems design, with an ability to make the right trade-offs for creating future-proof solutions.
- Building quick PoCs and full-fledged solutions with various AWS managed services would be a big plus.