
Solution Architect (Payments and POS) Team Leader
at A leading product development company in the Fintech space
- 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

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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.
Job description
Java Full Stack Developer
Contractual Role 12 months
Experience : 4 - 7
Work From Home
Primary Skills:
- Javascript
- HTML and CSS
- Springboot and Microservice
- Hibernate and React
- MySQL(SQL) and MongoDB (NoSQL)
- Angular 12,
- Proficient in Java
Requirements:
- Bachelor's or master’s degree in computer science or equivalent work experience.
- A solid understanding of the full web technology stack and experience in developing web applications
- Strong experience with React JS framework for building visually appealing interfaces and back end frameworks like Django
- Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
- Good knowledge of object-oriented programming and data structures in Python
- Experience with NoSQL databases, web server technologies, designing, and developing APIs.
- Strong knowledge and work experience in AWS cloud services
- Proficiency with Git, CI/CD pipelines.
- Knowledge in Agile/Scrum processes.
- Experience in Docker container usage.
Roles and responsibilities:
- Develop sophisticated web applications for drone control, data management, security, and data protection.
- Build scalable features using advanced framework concepts such as Microservices, Queues, Jobs, Events, Task Scheduling, etc.
- Integrate with Third-Party APIs/services
- Use theoretical knowledge and/or work experience to find innovative solutions to the problems at hand.
- Collaborate with team members to ideate solutions.
- Troubleshoot, debug, and upgrade existing software.
- Passionate to learn and adapt in a start-up environment.
Perks:
- Hands-on experience with state of the art facilities we use for robot development.
- Opportunity to work with industry experts and researchers in the field of AI, Computer Vision, and Machine Learning.
- Competitive salary.
- Stock options.
- Opportunity to be an early part of the team and grow with the startup.
- Freedom of working schedule.
- Opportunity to kickstart and lead your own projects.
Hello,
We are on the lookout for a full stack developer well versed with MongoDb, React.js (& Next), Node.js and AWS.
A bit about the company - We are building India’s first payment gateway focused on offline (cash on delivery) payments. Over 70% of India chooses to pay through cash on delivery whilst shopping online. We are tapping that market. CODfirm currently is used by 500+ brands to verify COD orders and reduce returns and fraud on their stores.
A bit about our team - We are a small team. Three part-time full-stack developers and one full-time product/ business guy. We are currently looking for our first full-time developer.
Our culture - We are a bunch of individuals who absolutely love what we do. Always jolly and super self-motivated. We hate chasing each other for work and deadlines. It goes without saying that it is mandatory for everyone to meet their deadlines and to be punctual. There is no hierarchy whatsoever and everyone is open and receptive to feedback and constructive criticism. What keeps us motivated and driven is our vision for CODfirm. It does get stressful at times, just like it would at any fast-growing startup with a grand vision. In a sentence, it is a fun yet challenging work environment.
About the role and responsibilities - For us, technical and cultural fit is equally important. Since we already covered the cultural bit, let’s now talk to the developer side of you.
Must-haves:
- Advanced knowledge and hands-on experience of MongoDB, Redis, React.js (and Next), Node.js and AWS.
- Ability to write scalable, understandable and testable code.
- Strong understanding of computer science principles: data structures, algorithms, distributed systems and information revival
- Strong communication skills to help shape the product roadmap given your knowledge and experience with the codebase
- Ability to turn designs shared into frontend code with a focus on UX
- Open to learning new technologies and programming languages
Good to have:
- Knowledge of GraphQL
- Data analytics and machine training skills
The interview process:
Step 1: You apply for the job and share your past work with us
Step 2: You get on an intro call with the founder
Step 3: You solve an assignment
Step 4: We get on a call again to discuss the assignment and to get to know you better Step 6: We offer you to come on board and join us
Step 7: Together we build CODfirm India’s first offline payments gateway.
Technical Leader reporting to the CTO/CEO. Your responsibilities include the following, but are not limited to:
- Architecting, Designing and Developing Software Programmes based on requirements provided
- Designing and Developing with a high quality of code that is modular, scalable and re-usable at all times
- Promote SRE (Site Reliability Engineering) to ensure all of the services are Highly-Available and Fault Tolerant at all times
- Communicate effectively the system requirements to other software development teams
- Involve pro-actively with client and their requirements
- Evaluate and select appropriate software or hardware and suggest integration methods
- Oversee assigned programs (e.g. conduct code review) and provide guidance to team members
- Assist with solving technical problems when they arise
- Ensure the implementation of agreed architecture and infrastructure
- Address technical concerns, ideas and suggestions
- Monitor systems to ensure they meet both user needs and business goals
- Extensive experience in building REST APIs
- Experience in building, managing, and enhancing backend / server-side development using java / java scripts. Expertise in NodeJS is preferred
- The person must have built systems that consume and process volumes of data from various sources. Experience in handling and managing data in NoSQL databases such as Mongodb.
- Extensive experience of building custom UI for web using the popular frameworks like angular and react. Experience in developing mobile UI is nice to have
- Experience of working with code repositories such as Github and GitLab.
- Fluent written and spoken English.
- Experience of working on Cloud environments and experience in AWS is preferred.
- Experience in Dockers and Kubernetes for deployments
Key Functions & Roles of the Candidate:
- Design and documentation of the CashLobe technology stack
- Code / implement the CashLobe technology stack
- Deploy and maintain the CashLobe technology stack
- Engage with leadership team to help evolve the CashLobe technology stack offerings
Good to have:
- Have pre-built deployment pipelines CI/CD across environments DEV/STAGING/PROD
- Knowledge of developing using Python and specifically the data/number crunching frameworks like NumPy, pandas, scikit, etc.
- Experience in the Fintech domain and specifically the banking & accounting systems
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