Blockchain Developer

Technical & Functional Requirement:

• Hands-on expertise in managing technical teams and work closely with business stakeholders
• Should be familiar with card testing and POS ecosystem.
• Experience with designing APIs and building platform integrations in Commerce, POS, FinTech and Payments
• Payment’s domain experience.
• Extensive experience on Base24 & SWITCH part for payment format.
• Exposure on ISO8583 Messaging system.
• API understanding and creation.
• Working knowledge on cryptographic algorithms (RSA, EC, AES, SHA variants), TLS/SSL protocols. C Symetric and A symetrics, K.M.S.
• Digital Payments technical knowledge - QR/ POS/ UPI/ BQR
• Understanding of CI/CD pipelines, Kubernetes, containerization, Docker
• Must have strong technical skills in Android APK and iOS development Concept and Web services.
• Supportability, monitoring, ops in general.
• Accurate cost models to deploy and operate
• Extensive experience in TLOG’s, data integration with downstream applications, and impact of POS changes on different financial, legal, compliance, loss prevention, etc. applications.
• Extensive experience with payment systems 7861 (EMV, payment middleware, encryption, tokenization, settlement, offline scenarios,).
• Extensive experience with different types of payment methods including credit, debit, gift cards (Both closed loop and open loop), PLCC, PayPal, AliPay, checks, etc. as well as different payment form factors like Tap N Go, contactless, swipe, EMV, Mobile, etc.
• Extensive experience with payment devices (pin pads, printers, registers, scanners).
• Experience in Node.js / Java / Python, building REST APIs, with experience/exposure to front end stack like JavaScript & React / Angular. 
• Experience with Storage systems - RDBMS, NoSQL (Cassandra/MongoDB), Redis/Memcache/Aerospike.
• Experience in messaging tools like Kafka/AWS Kinesis etc...
• Design expertise for performance, scalability, fault tolerance and high availability

Technical Competencies Required:

• Experience with POS systems and Payments domain.
• Demonstrated experience for systems architecture, design, and integration for POS systems
• Java and/or Node.js. Experience building micro services (REST APIs) using Node.js
• Experience with one or more RDBMS databases like MySql, PostGreSQL
• Experience with one or more NoSQL databses like MongoDB, Cassandra, DynamoDB, Aerospike, Elastic Search, Redis, neo4j etc.,
• Caching technologies like: Redis, Elasticache,
• Cloud Providers like: AWS/ Google Cloud / Azure
• CI / CD : Jenkins, Docker, Kubernete
  

Java Backend Engineer - Fintech Rocketship Pilot

 

Distributed systems, scalability, reliability, robustness, security, quality, building responsive real time systems - do these terms get your adrenaline high? Come be a part of a high growth, fast paced engineering team building for India’s new generation.

We have an open culture, you take responsibility and ownership of what you do. No bureaucracy. No bullsh*t.

If you are up for big engineering challenges, personal and professional growth, then let’s join forces!

You’ll fit right in if you have - 2-3 years of experience building, running and maintaining production services Strong with Java and JVM based services along with PostgreSQL Comfortable working with multiple cloud providers: mainly GCP and AWS Comfortable with CI and CD tools and best practices Done TDD and values TDD

Good to have –

Have written and maintained idiomatic code in Go or Rust Understand security aspects of building software and software systems
Engineering aptitude - Owns small features, starting from technical design through completion. Appreciates and participates in technical discussions, and values guidance and feedback. Does not need mentoring on a daily basis; makes steady progress by themselves, and knows when to ask for help to get unblocked. Comfortable with referencing technical specifications, API references, source code, and man pages to understand concepts or solve issues.
Design process - Understands the role and importance of design, can write good backend specifications Can communicate API specifications and design goals to the end consumers API
Code reviews - Understands the value of peer-reviewed code; learns how to be unbiased and provide effective feedback. Asks senior engineers for help when needed (e.g.: architecture decisions, refactoring)

Moonraft (www.moonraft.com) is a new age techno-creative company focusing on Experience Engineering and consumer based products. Moonraft is a vehicle for innovation; to go beyond. Innovation, to us, means market creation. We strive to conceive and develop product and service ideas with potential to create markets. About Moonraft: a) Founded by experienced Industry veterans (with more than 15 years experience), we are a company focusing on latest technologies like social media, mobile technologies, latest User experience technologies etc. The company focuses on Technology, Design and Content b) We are on the bleeding edge of latest technologies like Android, IOS, HTML 5, CSS3, Jquery, Text Analytics, etc. and savvy about open source technologies c) We have an open, transparent and performance oriented culture d) We offer both services and products. Employees have an opportunity to work on either, based on their skills and interests e) We work purely on development projects, no support or maintenance

We are searching for an organized, ambitious .NET developer with hands-on experience in data management methods with MongoDB, SQL.

In this role, you should be able to write functional code with a sharp eye for spotting defects. You should be a team player and an excellent communicator. If you are also passionate about the .NET framework and software design/architecture, we- d like to meet you.

Your goal will be to work with internal teams to design, develop and maintain software.

Responsibilities and Duties :

- Writing clean, scalable code using .NET programming languages.

- Build high-quality scalable and predictable web applications on the .NET Technology stack and maintain internal and external facing web applications.

- Creating and integrating services and APIs using Web API 2 for various products and applications.

- Working on system architecture and databasing in MongoDB, MySQL, and NoSQL.

- Make regular modifications to existing software for error correction, adaptation to new hardware, and improving overall function and performance

- Evaluate new code for reliable architecture, stability, reusability, performance, automation, security, and metrics

- Using JSON to store and transport data.

- Working with other team members and the team lead using Project Management Tools and Version Source Control to create industry-leading technological products.

Skills required:

- 1 - 3 years of experience in MongoDB.

- Knowledge about AWS Cloud is an added advantage.

- Knowledge of .NET development and lifecycle methods in C# Language.

- Experience in making Web API 2 including routes, class components, async methods, parallel programming, authentication, and authorization, etc.

- Experience and hands-on knowledge of data management methods with MongoDB, MySQL, or NoSQL, etc.

- Should have experience and understanding of using JSON.

- Familiarity with working with .NET Framework, JavaScript, HTML. Knowledge of .NET Core is preferred.

- Knowledge and experience working with AWS Cloud and cloud computing techniques is an added advantage, but not a requirement.

- Having a BSc Degree in Computer Science is optional but should have some educational knowledge of computer science.

1. 0-2 years previous experience as a professional software developer 2. 0-2 years of Java with Hibernate and Spring Frameworks. 3.0-2 years MySQL database skills / query optimization 4. 0-1 years of experience in Jersey JAX-RS based REST Api 5. Strong concepts and experience of OOPS (Object Oriented Programming) in Java. 6. Comfortable with Linux and Windows OS and Open source platform Technologies 7. Familiarity with MVC Architectural Pattern. 8. Familiarity with UI Framework. (Angular JS Preferred). 9. Familiarity with Unit testing concepts. 10. Strong technical design, requirements, and use case development 11. Experience with version control (GIT / SVN preferred) 12. Experience with tuning deployed applications for scalability and performance.

Blockchain developer (0 – 3 years of experience) - 2 positions

• 0-3 application development experience in solution building on Blockchain technology.
• Solid understanding of and experience in blockchain / distributed ledger technologies familiarity with platforms, such as Ethereum and Hyperledger.
• Any additional expertise with Python, containerization (Docker) and additional Cloud exposure also a huge plus
• Security Architecture / Cryptography is a plus.
• Any additional expertise with Python, containerization (Docker) and additional Cloud exposure also a huge plus.
• Experience on development tools such as Hyperledger Fabric/Sawtooth,Geth , Composer, Solidity Remix Functional
• Basic understanding of Web applications architecture and protocols.

- You will use your talents in software development, application architecture, cloud design and deployment to make Blockchain technology transform the business processes for our customers in industries as diverse as Finance, Public Sector, Retail and Travel and Transport.

- You should ideally have a good Experience and a strong understanding of a few of the lockchain platforms like Hyperledger, Ethereum, Hash Graph, IBM Blockchain, MultiChain, Stellar, etc.

- You will be working in small multi-disciplinary teams of design thinking, industry expert, pair programming and customer involvement to develop first project code in short sprints and iterative cycles.

- You will develop Blockchain chain code and agile development processes to build software which explores a customer first project. The quality needs to be good enough to be presented to board level demonstration.


What we offer -
- Progressive and flexible work hours that matches your personality and lifestyle.
- A multicultural and diverse team of colleagues from all over the country that speak on average 3 languages.
- The ability for you to make an impact in the emerging fields of Blockchain, cryptocurrency, and decentralized technologies.

We're a contrarian and progressive culture of independent thinkers and systematic executors that are driven to build cool things that matter.

If this aligns with you, time to hop on!

Basic Qualifications

• Strong Java software development experience – with a focus on Java 8 & 9
• Experience with NoSql databases – ideally with MongoDB
• Experience implementing REST apis – ideally with JAX-RS
• Experience with Reactive Programming – ideally with RxJava
• Experience implementing unit tests

Preferred Qualifications

• Experience developing applications in fintech or established financial institutions
• Experience with microservice architectures
• Experience developing systems that can scale to large amounts of data
• Experience working in Agile Scrum
• Experience working on a globally distributed team

WyngCommerce is building state of the art AI software for the new age Consumer Brands & Retailers which helps them to provide best of the class customer experiences. Our solutions help the brands in identifying the right opportunities in terms of Inventory Placement, Assortment & Overall Planning of their merchandise. Backed by a clutch of prominent angel investors & having some of the category leaders in Indian retail industry as early adopters, we are looking to hire for our engineering team. The engineering team at WyngCommerce is building highly robust & scalable data system & infrastructure which can handle Millions of concurrent computations, seamlessly connect to multitude of Enterprise Data Sources, implementing libraries of state of the art optimisations & other algorithms using various ML & DL techniques. Your Role & Responsibilities - > Contribute in all stages of development right from system architecture, low level design, database design to setting up deployment infra & processes. > Own a set of Modules / Components in the Data Processing & Core Compute Engine 
> Work in tandem with the Data Science team to implement & optimise performance of various algorithms > Come up with innovative & fast MVPs to solve business problems by working closely with the Founders > Driving Design, Architecture & Infrastructure level decisions & setting up best practices for the same to deliver best in class performance & data security 
> Mentoring the engineering team and actively participate in hiring 
 Desired Skills & Experiences - > Proficiency with Python, Django, Postgres SQL with 3+ years of work experience in building scalable products > Excellent understanding of Queues & Messaging, Asynchronous Tasks, Data Pipelines, Database performances, Query Optimisation > Good understanding of AWS/Azure components and have used them in their day to day activities > Product thinking, Building robust reusable components from integrations, ETL to Optimisation & ML libraries & workbenches > Ability to weigh trade offs of speed vs perfection & take calls to use open source / other software component to fast-track the go to market > Basic understanding of Maths behind statistical methods & ML techniques will be a plus point

We have openings for “UI Architect”. Please find the company profile and JD and Kindly revert back to me for your interest. Note: You will be on permanent of “Infinitum Global” and work in client Location at Wipro, Bangalore This will be C2H, After 3 to 4 months you will be permanent with Wipro About Wipro: Wipro Limited (NYSE: WIT, BSE: 507685, NSE: WIPRO) is a leading global information technology, consulting and business process services company. We harness the power of cognitive computing, hyper-automation, robotics, cloud, analytics and emerging technologies to help our clients adapt to the digital world and make them successful. A company recognized globally for its comprehensive portfolio of services, strong commitment to sustainability and good corporate citizenship, we have over 160,000 dedicated employees serving clients across six continents. Together, we discover ideas and connect the dots to build a better and a bold new future. For more information about the client, visit: http://www.wipro.com About Infinitum Global: We, Infinitum Global (www.infinitumglobal.com) are a global IT Product and services Company that offers a wide range of IT services to industry verticals like Banking, Insurance, Retail, Telecom, Travel & Hospitality and Government. Established in 2013, Privately held, Headquartered in Bangalore with presence in Chennai & US (Princeton-NJ) with an employee strength of 350+ Employees. We help in developing resourcing solutions that are flexible, built-to-last and to cater to changing market forces. We are specialised in Technology Solutions, Digital Connect and Mobile Lab. Our Clients are as follows, Cisco, Harman connected services, Infosys, HP, Mphasis, Wipro, Dell, VMware, Philips, Ruckus, Adobe, CGI. For more information, visit: www.infinitumglobal.com Job Description: We are looking at some on who has minimum 10+ Years. of experience on UI Architect, Bangalore Responsibilities • Develops UI architecture, and design for network management product • Analyzes design and determines coding, programming, and integration activities required based on specific objectives and established project guidelines. • Collaborates with product architects, global UI architects and UX experts • Guides team and unblock it on UI technologies and implementation • Hands-on implementation and testing of specific modules/subsystems Knowledge and Skills • Using software applications design tools and languages. • Ability to apply analytical and problem solving skills. • Designing software applications running on multiple platform types • Ability to effectively communicate design proposals and negotiate options. • Knowledge of network management is an added advantage • Strong Knowledge of Java, EJB, networking. UI specific requirements • Understanding of JavaScript, HTML and CSS • Hands on knowledge of working with at least one web server – Apache, Node • Knowledge in mixro frontends and web sockets will be added advantage • Strong knowledge of UX / UI areas - Angular JS, React, Redux