BDD
Competence Requirement:
1. 3+ years of experience in developing backend Java applications.
2. Experience with Java 11 will be GOOD to have.
3. Experience in front-end development is desired.
4. A self-driven attitude along with a sense of structure and creativeness.
5. Excellent written and spoken English.
6. Bachelor degree in computer science, information technology or software engineering or equivalent
7. Hands-on knowledge and experience of developing financial systems and understanding of financial concepts.
Responsibilities:
1. Write high quality code that solves difficult problems in a highly distributed system with extreme demands on resilience and quality.
2. Perform sufficient tests to ensure at least 80% code coverage.
3. Participate in and contribute to scrum ceremonies, e.g. daily stand-ups, sprint planning, demos and retros.
4. Will be involved in several stages of the product life cycle; design, implementation and testing. At times, also release and deployment.
5. Participate in design discussions and decisions.
Good to have skills:
1. Primary skills – Java 8, spring boot, React, MQ/Messaging services & API, (Java 11, ReactiveX, REST, Swagger/OpenAPI, React/Redux, Gradle, Git, BitBucket, Jenkins)
2. High performance transactional platform
3. Back-end development and Middleware
4. Modern UI based on React
5. Continuous delivery and automation
6. Domain – Capital Market, Investment Banking is good or BFSI is ok

About NSEIT
About
NSEIT is a global technology firm with a focus on the financial services industry. We are a vertical specialist organization with domain expertise and technology focus aligned to the needs of financial institutions. We offer Application Services, IT Enabled Services (Assessments), Testing Center of Excellence, Infrastructure Services, Integrated Security Response Center and Analytics as a Service primarily for the BFSI segment.
We are a 100% subsidiary of National Stock Exchange of India Limited (NSEIL). Being a part of the stock exchange our solutions inherently encapsulate industry strength, security, scalability, reliability and performance features.
Our focus on domain and key technologies enables us to use new trends in digital technologies like cloud computing, mobility and analytics while building solutions for our customers.
We are passionate about building innovative, futuristic and robust solutions for our customers. We have been assessed at Maturity Level 5 in Capability Maturity Model Integration for Development (CMMI® - DEV) v 1.3. We are also certified for ISO 9001:2015 for providing high quality products and services, and ISO 27001:2013 for our Information Security Management Systems.
Our offices are located in India and the US.
Connect with the team
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Role Overview
We are seeking a highly skilled Senior Developer / Technical Lead with strong experience in marketing creative platforms and digital experience delivery. This role requires expertise in Sitecore, React.js, Node.js, Python, and FileMaker, along with proven leadership capabilities to guide development teams and deliver high-impact marketing solutions.
You will play a critical role in designing, developing, and leading the implementation of scalable, creative, and performance-driven digital experiences.
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Required Skills & Qualifications
Technical Skills
• Strong experience with:
o Sitecore CMS (content modeling, personalization, pipelines, APIs)
o React.js (modern front-end ecosystem)
o Node.js (RESTful APIs, server-side applications)
o Python (automation, backend systems, scripting)
• Experience with FileMaker (development, customization, or integration)
• Proficiency in HTML5, CSS3, JavaScript/TypeScript
• Experience with API design, microservices architecture, and cloud platforms (AWS )
• Familiarity with CI/CD pipelines, DevOps practices, and version control (Git)
Technical Leadership
• Lead a team of developers, ensuring high-quality design, development, and delivery of solutions
• Provide architectural guidance and enforce best practices across front-end and back-end development
• Mentor junior/mid-level engineers and support team growth
• Ensure scalability, reliability, and security of solutions
Strong Full stack developer Profile
Mandatory (Experience 1) - Must Have Minimum 5+ YOE in Software Development,
Mandatory (Experience 2) - Must have 4+ YOE in backend using Python.
Mandatory (Experience 3) - Must have good experience in frontend using React JS with knowledge of HTML, CSS, and JavaScript.
Mandatory (Experience 4) - Must have Experience in any databases - MySQL / PostgreSQL / Postgres / Oracle / SQL Server / DB2 / SQL / MongoDB / Neo4J
Preferred
Preferred (Core Skill 1) - Expertise with any CI / CD tool e.g. (Jenkins, GitLab CI / CD, CircleCI, Google Clod Build, AWS CodePipeline, Azure CI / CD etc)
Preferred (Core Skill 2) - Mandatory Expertise with any one cloud platforms (Azure / AWS / Google Cloud)
Preferred (Company) - Product Company
• Web Development: Creating and implementing the technical aspects of websites and web applications
• This involves working with programming languages such as HTML, CSS, and JavaScript to build the front-end (user interface) and back-end (server-side logic)
• Web Design: Collaborating with designers and using design tools to translate mockups and wireframes into functional web pages that align with the visual and user experience (UX) design
• Front-end Development: Focusing on the client-side of the application, ensuring responsive and interactive user interfaces, optimizing for various devices and screen sizes
• Back-end Development: Dealing with the server-side logic and databases to handle data storage, retrieval, and manipulation
• This may involve working with technologies like Node.js, Python, PHP, and more.
• Database Management: Creating and maintaining databases that store website/application data efficiently and securely
• Testing and Debugging: Identifying and fixing technical issues, ensuring the website or application functions smoothly across different browsers and devices
• Website Optimization: Improving website/application performance, load times, and overall user experience
• Version Control: Using version control systems (e g, Git) to manage code and collaborate with other developers
• Security: Implementing security measures to protect websites and applications from potential threats and vulnerabilities
• Collaboration: Working closely with designers, other developers, and stakeholders to ensure project requirements are met and deadlines are followed
• Continuous Learning: Keeping up with the latest web technologies, trends, and best practices to improve skills and stay current in the rapidly evolving web development landscape
• Deployment and Maintenance: Deploying websites/applications to servers and performing regular updates and maintenance to keep them running smoothly
• Troubleshooting: Investigating and resolving technical issues that arise from user feedback or testing
•
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Desired Candidate Profile
• Engineering graduate (BE/B.Tech) or BCA/MCA from a reputed university.
• Ability to develop and manage e-commerce websites and web applications.
• Good understanding of fundamentals and concepts of PHP Scripting language.
• Good understanding of Smarty language.
• Hands-on experience in front-end technologies such as JavaScript, HTML5, jQuery and CSS3.
• Knowledge of OOPS & Database.
• Strong written and oral communication skills.
• Attention to detail and excellent organizational skills.
• Alternate Saturday and all Sunday will be fixed off

- 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
Remote position
Full-stack developer | .NET Core + Angular
Are you...
- Interested in working at a successful, well-funded scale-up where every team member can make a huge contribution?
- Keen to make software that people will use every single day to make their lives easier?
- Excited to work on greenfield projects with responsibility and independence?
- Ready to develop and use your skills across our frontend, backend and mobile offerings?
- Meticulous about quality, and gifted with a strong desire to write beautiful code?
About the company
KeyNest solves the key exchange problem for Airbnb users. Our worldwide network of over 4,000 shops store keys so that Airbnb guests / cleaners / contractors can pick them up whenever is convenient for them. As a global partner of Airbnb we’ve checked-in over 2 million guests.
Why we need you
As the entire Airbnb ecosystem increasingly relies on KeyNest, our customers expect us to integrate additional features without reducing the ease of use that our customers love. This is why we continue to invest in beautiful, intuitive user interfaces that integrate with every tool and are used by our customers, their guests and staff, as well as our own staff.
A product manager, a team lead, two full-stack developers, one mobile developer, and a UX designer make up our product team. Who will serve as your mentor. We are looking for a developer who cares about how their code affects users so that we can work together.
With a genuine passion for high quality work, attention to detail and readiness to own your own projects, you will be looking for a new and exciting challenge which allows you to use your experience to drive change and maintain the high standards of our organisation.
Our Tech Stack
- C# MVC modern tech stack
- .Net Core
- Front end web in TypeScript & Angular
- Test Driven Development (TDD) and follow SOLID design principles.
- EF 6.0
- SQL Server 2017
- Agile experience (Scrum, Kanban)
- TFS
- Cloud hosted in Azure with micro-services architecture
Your qualities
- 5+ years experience in C#
- Experience with .NET core
- Front-end web experience in Angular and CSS
- Track record of building great products
- You’ll love the idea of being a big part of a small team. Current team size is 5.
- Motivation and ambition to succeed in a fast-paced environment
- Not afraid to take on responsibilities
What we offer
- Crucial role in a funded, dynamic & fast-growing scale-up shaking up the sharing economy
- Competitive salary based on relevant experience
- Flexible working for our most committed staff
- Unparalleled opportunities to develop your career as the company develops rapidly
If you want to join the KeyNest team, please get in touch – we look forward to meeting you.
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
We are looking for an IMMEDIATE JOINER - As Java Developer you will be responsible for creation and implementation of backend services (API / Microservice).
Roles & Responsibilities:
- Designing and developing performant REST APIs, Microservices.
- Data Model design.
- Participating in requirements analysis.
- Writing clean, scalable code and Implementing unit tests.
- Participating in peer code reviews.
- Optimizing the overall performance of Application.
- Strong focus on data governance and security.
- Be a strong Agile team member.
Skills:
- Conceptually strong in Design Patterns and OOP
- Hands on with technologies like Spring Boot, Java Web services/APIs (SOAP, REST, JSON, Maven, Gradle, jUnit)
- Working knowledge with AWS is a must.
- Excellent understanding of data structures, threading.
- Working knowledge with any of the Unit Test Frameworks such as jUnit.
- Good problem-solving skills. Attention to details.
- Should be a quick learner and keen on learning new technologies.
- Strong in debugging, troubleshooting and performance tuning for SQL queries
- Proficient in RDBMS (MySQL, Mssql) and NoSQL databases (mongo, HBase)
- Excellent oral and written communication skills.
Additional Skills (Optional):
- Exposure to Node.js / python
- Exposure to Lambda functions.
- Exposure to AWS Data Storage.
- Knowledgeable on TDD.
Qualifications & Experience:
- BE/B.Tech, ME/MTech. 7+ years of Java development experience, including Spring, Spring Boot
- BE Computer Science, MCA or equivalent
- Cloud app development experience
- Strong NodeJs and ReactJS experience
- Advanced knowledge of NodeJS and relational databases
- Understanding of APIs, pagination, searching, sorting
- Experience with building, modifying and extending API endpoints (REST or
GraphQL) for data retrieval and persistence.
- Creating high performance UI etc.
- Experience with SQL and NOSQL databases
- Experience with the full software development life cycle, including requirements
collection, design, implementation, testing, and operational support.
- Experience with scrum or other agile software development methodology.
- Excellent verbal and written communication, teamwork, decision making and
influencing skills.
Experience:
- Min 3 year experience
- Not more than 15 year experience.
- Startup experience is a must.
Location
- Remotely, anywhere in India
Timings:
- 40 hours a week but with 4 hours a day overlapping with client timezone. Typically
clients are in California PST Timezone.
Position:
- Full time/Direct
Other Benefits
- We have great benefits such as PF, medical insurance, 12 annual company holidays, 12
PTO leaves per year, annual increments, Diwali bonus, spot bonuses and other
incentives etc.
- We dont believe in locking in people with large notice periods. You will stay here
because you love the company. We have only a 15 days notice period.
- understanding of the front-end and back-end processes;
- ability to work with HTML / CSS;
- ability to work with databases;
- understanding of programming templates and architecture design guidelines;
- profiling and optimizing applications.

- Design the architecture and their solutions
- Define user stories and implement them using agile methodology
- Engage and manage a team of software engineers; including task planning and code reviews
- Have technical ownership of the product
Must have:
- Fullstack experience (React, Node JS, VU, Python)
- Expert in web technology (SaaS)
- Know-how of cloud technology
- Broad experience with multi-platform development tools and toolkits
- Experience in release engineering and configuration management
- Comfort with both client-side and server-side development
- Passion for agile
- Knowledge of CICD pipeline
Bonus if you:
- Have experience working in the healthcare industry
- Are enthusiastic about all things brain science and/or mental well-being
- We are a company that highly values the ability to communicate well. We all take turns at the blog roster, so writing experience and/or enthusiasm is appreciated
- Our core values encourage empathy and innovation, you are gold if you share these








