Full Stack Developer

Responsibilities:

Design, develop, and maintain high-quality software solutions using programming languages such as Java.

Implement backend services using frameworks like Spring Boot and frontend interfaces using frameworks like React.

 Apply deep knowledge of algorithms and data structures to solve complex problems efficiently.

 Optimize code for performance, scalability, and reliability.

 Work with SQL and NoSQL databases to design, implement, and manage data storage solutions.

 Ensure data integrity and optimize database queries.  Leverage open-source tools and frameworks to develop scalable and maintainable solutions.

 Stay updated on the latest trends in open-source technologies.

 Utilize Linux systems for development and deployment.

 Automate and streamline processes using Linux tools and scripts.

 Develop and maintain mobile applications that align with user requirements and business goals.

 Collaborate with cross-functional teams to ensure seamless integration with backend systems.

 Work closely with product managers, designers, and other engineers to bring ideas to life.

 Participate in code reviews, testing, and debugging to ensure high-quality deliverables.

Qualifications and Skills:

 Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, Mathematics, Physics, or a related discipline.

 Strong knowledge of algorithms and data structures.

 Proficiency in at least one programming language, preferably Java.

 Hands-on experience with backend frameworks like Spring Boot and frontend frameworks like React.

 Familiarity with SQL and NoSQL databases.

 Solid understanding of Linux systems and tools.

 Experience developing mobile applications is highly desirable.

 Strong problem-solving skills and ability to work in a fast-paced environment.

Lead Java Platform Engineer

Build the high-performance platform services behind our core financial applications.

EXPERIENCE

5+ years (core Java)

CORE TECH

Java · REST APIs ·

SQL/NoSQL

DOMAIN

Financial Services

About the role

We’re seeking a highly experienced and passionate Senior Java Platform Engineer to join our

team. You’ll play a crucial role in designing, developing, and maintaining the robust, scalable

platform services that underpin our core financial applications.

This role demands a deep understanding of core Java principles, a proven track record of

building high-performance APIs, and extensive experience in the financial services industry.

What you’ll do

Design & development

– Design, develop, and maintain high-performance, scalable, and reliable platform services in

Java.

– Build and consume RESTful APIs and other web services.

– Write clean, well-documented, testable code, and contribute to code reviews and quality.

Platform engineering

– Contribute to the architecture and design of our platform services.

– Optimize platform performance and scalability and troubleshoot complex technical issues.

– Ensure the security and reliability of the platform.

Data management

– Work across SQL and NoSQL databases.

– Design efficient data access patterns and apply sound data modelling principles.

Financial services expertise

– Apply deep knowledge of financial industry practices, regulations, data, and systems.

– Work with sensitive financial data structures, with the care that requires.

Automation & workflow– Use Python for scripting and automation tasks.

– Apply (or build) exposure to Apache Airflow or similar tools for data pipelines and

scheduling.

Collaboration & communication

– Collaborate with cross-functional teams — product managers, QA engineers, and

developers.

– Communicate clearly with both technical and non-technical stakeholders.

– Mentor junior engineers.

What you’ll bring

– Bachelor’s or Master’s in Computer Science or a related field.

– 8+ years of experience in core Java development.

– Extensive experience building and maintaining platform services.

– Strong grasp of object-oriented programming principles and design patterns.

– Proven experience designing and developing RESTful APIs.

– Deep knowledge of concurrency, multithreading, and performance optimization.

– Hands-on experience with SQL and NoSQL databases.

– Significant experience within the financial services industry.

– Exposure to Python for scripting and automation.

– Exposure to Apache Airflow or similar workflow management tools.

– Excellent problem-solving, analytical, communication, and collaboration skills.

– Experience with Agile development methodologies.

Nice to have

– Cloud platforms (AWS, Azure, or GCP).

– Containerization and orchestration (Docker, Kubernetes).

– Message queues (Kafka, RabbitMQ).

– Knowledge of financial regulations and compliance requirements.

About Wissen Technology

Wissen Technology is a specialized consulting firm that helps organizations in Banking &

Finance, Telecom, and Healthcare build world-class products. Since 2015, we’ve grown to

1,000+ engineers across the US, UK, India, Australia, Mexico, and Canada and we are a

certified Great Place to Work ®.

Role Title

Team Lead| Software Development

Description

The candidate will be required to build towards the future by constantly innovating and problem-solving. Should be passionate about the customer experience journey, highly motivated, intellectually curious and analytical. Conceptualize, rationalize and drive multiple simultaneous projects to deliver engineering work across the portfolio within deadlines and budgets. Experience in managing high performing individuals, building roadmaps, defining processes, delivering projects as well as analyzing cost/benefit of feature selection and communicating results throughout the organization.

Responsibilities  Work across teams to organize and accelerate delivery by ensuring all teams are delivering in a coordinated manner.

 Understand the business strategy and design approaches within product, program or domain effectively.

 Regularly review metrics and proactively seek out new and improved data / mechanisms for visibility, ensuring the program stays aligned with organization objectives.

 Proactively identify risks & issues and ensure mitigation efforts are being carried out throughout the software development lifecycle.

 Keep abreast of evolving technology landscape.

 Will provide technical leadership to software engineers by coaching and monitoring throughout end-to-end software development, maintenance and lifecycle.

 Analyse and provide input for the requirements and provide impact assessment for the features or bug fixes.

 Collaborate with external partner teams, business teams and other cross-functional teams effectively in driving the projects and the point of contact on the team. Skills  Process : Data Structures and Algorithms | API, Version Control , Data structures | DevSecOps | Microservices | Application Security

 Technical : FullStack Development – React, Angular, Nodejs, Java, ExpressJS, Passport, Springboot | CI/CD Tools | Cloud Computing – AWS Preferred | User Experience Design | Operating Systems – Linux and Windows | Database – MYSQL, Oracle | Webservers – Nginix, Apache | Containerization, Service Mesh

 Product : Corporate Banking | Payments and collections | Treasury | Trade Finance

 Human : Mentor & Guide | Creative Vision | Collaboration and Co-operation | Risk Taking Level Information

Education : BTech / M Tech Span of Influence : Multiple Teams

• 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

• 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
  

ROLES AND RESPONSIBILITIES:

·       Working with technical architects, able to convert the architecture into design and code in Java (Spring Boot), AngularJS, and NodeJS.

·       Able to generate LLD documents.

·       Ability to write Quality code with minimum defects.

·       Unit Test and following the coding standards.

·        

PREFERRED QUALIFICATION AND SKILLS:

·       5+ years strong programming and logical skills in Java (Spring Boot), AngularJS, Object Oriented Java script, NodeJS and HTML5

·       Hands on Experience on Java (Spring Boot), and MySQL is mandatory. Must have completed at least 2 full projects using Spring boot and AngularJS.

·       Excellent knowledge and experience in Spring JPA, RESTful webservices implementation.

·       NodeJS experience is value add

·       Should have participated in, and be familiar with, Agile (Scrum) project methodology and practices.

·       Must be able to mentor and guide junior technical resources.

·       One who is proactive and come forward with technology related initiatives. Motivated self-starter. 

·       Good Communication skills. English - Oral and Written.

 Be a full Individual Contributor 

Design(frontend dev) Develop Deploy Debug ! Expert in  all things - Frontend Backend and Deployment 

3Years + on MEAN Stack

Used Rabbit MQ or Kafka

Design product architecture , assign work to junior developers , train interns and manage end to end development activity

Good at  AWS Webservices- AWS- Ec2, Lambda, 

Confident at building high throughput, low latency , and highly Scalable applications 

 Preferences :or pluss

Elastic Search , Kubernates 

Served a Lead role in the present company 

Worked on financial products

Worked in smaller companies with individual contribution

Opportunities to work on:

Block chain, Elastic Search ,Kubernates 

Skills 

Excellent core technical  skills 

Can learn any new language and provide solution

Passionate about coding 

Full problem solver 

Positive attitude and inter personal skills

Who are We??

Billion Bonds Finance 

You may have heard of Payment Gateways..Have you ever heard of Account Gateway????

We are a new age Finance company managing debts of about 40 CR...We are developing the next generation digital only bank focussed towards Gen Z..!Are you the one who would like to Lead the Core team for changing the boring  User Exprience in Banking?

Responsibilities

• Design and develop REST-based web services utilizing Java micro services web frameworks (Spring Boot)
• Apply design principles and patterns in creating enterprise level solutions, as needed
• Perform web services tuning and performance testing
• Implement unit tests as needed
• Support front-end developers in leveraging web services
• Automate/script common developer tasks, continually optimize personal and team workflows
• Infrastructure setup and configuration
• Engage in code review and feedback process
• Take a feature from inception to completion independently across the stack
• Collaborate with teammates on proposed UX/UI and provide feedback as needed
• Participate in and support the entire SDLC processes

Requirements

• Spring Boot, Spring Security, Spring JPA & Hibernate
• Relational data modelling concepts and experience in PostgreSQL, MySQL, or similar
• Adopted opinionated RESTful web services design patterns
• Microservices-based application architecture
• Application containerization technologies, including Docker, Kubernetes, and cloud-vendor implementations (AWS, Azure, other)
• Other modern technologies relevant to the technology stack defined here
• Javascript ES6 or later
• React
• Git