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Open nowPosted 36 days ago

Senior Software Engineer- Integrations Fullstack Developer

cellpointdigital12 open roles

Where
Kharadi, Pune, MH, India
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Your applicationOpen nowSenior Software Engineer- Integrations Fullstack Developercellpointdigital · Kharadi, Pune, MH, India

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The clock on this job

Early applications get read.

11.5% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.4%3 days
  3. 11.5%7 days
  4. 18.1%14 days
  5. 35.6%30 days
  6. 44.6%60 days
This job: posted 36 days ago

The posting

Join CellPoint Digital: Shape the Future of Payments with Us!

At CellPoint Digital, we’re revolutionizing the way businesses in the air, travel, and hospitality sectors manage their payments.

Our leading payment orchestration platform helps some of the world’s leading brands make payments simpler, smarter and profitable- from improving payment experiences and maximizing approval rates, to reducing costs and unlocking new opportunities.

But technology is only part of the story. It’s our people who make the difference.

We’re a global team of innovators, problem-solvers and ambitious professionals who care about the work we do and the impact we have. We work across borders, functions and cultures, bringing different perspectives together to solve complex problems and deliver meaningful results for our customers.

Join us as a Senior Software Engineer - Integration Full Stack Developer on our mission to turn payments into possibilities!

Senior Software Engineer - Integration Full Stack Developer

We are looking for a highly skilled Senior Software Engineer - Integration Full Stack Developer with 5+ years of experience in software engineering to design, develop, and support secure, scalable, and high-performance integration solutions. This is a hands-on technical role focused on XSLT, Java, third-party integrations, payment gateway integrations, APIs, XML/JSON transformations, and end-to-end enterprise integration development, while also contributing to React.js-based front-end development.

The ideal candidate will possess strong integration expertise, excellent analytical and troubleshooting skills, and experience building resilient, production-ready integration platforms supporting enterprise-scale payment solutions.

How You Will Make an Impact:

  • Design and develop enterprise integration solutions using XSLT and Java.
  • Build XML/XSLT transformations, mappings, validations, and data conversion workflows.
  • Develop and maintain REST/SOAP APIs, integration services, adapters, and third-party system integrations.
  • Integrate with payment gateways, PSPs, external APIs, and customer systems.
  • Develop backend services using Java, Spring Framework, and Spring Boot.
  • Develop responsive front-end components using React.js, Redux, JavaScript, HTML5, CSS3, and Bootstrap.
  • Build secure integrations using authentication, authorization, certificates, encryption, and secure communication protocols.
  • Design resilient integration solutions using retries, timeout handling, idempotency, fault tolerance, and robust error handling.
  • Develop unit tests, integration tests, mock services, and participate in code reviews and static code analysis.
  • Perform end-to-end debugging, API troubleshooting, log analysis, and root cause analysis across integration flows.
  • Develop and support applications using PostgreSQL, Google Cloud Platform (GCP), Docker, Kubernetes, and CI/CD pipelines.
  • Support production integrations, customer onboarding, and complex implementation activities.
  • Collaborate with Product, QA, DevOps, customers, and external partners to deliver reliable integration solutions.
  • Leverage AI-assisted software engineering tools responsibly to improve development productivity, code quality, integration testing, debugging, and documentation while maintaining engineering best practices.

Skills you will have fine-tuned:

  • Integration: XSLT, XML, XPath, data mapping/transformation, third-party integrations
  • Backend: Java, Spring/Spring Boot, REST APIs, Microservices
  • Frontend: React.js, Redux, JavaScript (ES6+), HTML5, CSS3, Bootstrap
  • API & Services: REST, SOAP, JSON, API-first, synchronous/asynchronous integrations
  • Security: OAuth/OAuth2, token-based authentication, API security, certificates, encryption
  • Database: PostgreSQL
  • Cloud Platform: GCP
  • Experience integrating Payment Service Providers (PSPs), payment gateways, and payment orchestration platforms.
  • Knowledge of Cards, Digital Wallets, Alternative Payment Methods (APMs), callbacks, webhooks, redirects, and payment status flows.
  • Knowledge of PCI DSS, payment security, tokenization, encryption, certificates, and compliance.
  • Experience with OpenAPI/Swagger, API versioning, and integration lifecycle management.
  • Knowledge of Java/JVM technologies.
  • Experience building highly available, resilient, high-volume, and transaction-intensive integration platforms.
  • Familiarity with AI-powered developer tools to improve engineering productivity and software quality.

What's in it for you:

  • We offer you the opportunity to be an innovator, challenge the status quo, and redefine the payments category
  • Competitive salary in a fast-growing start-up
  • Medical insurance with coverage for dependents (parents, spouse, children)
  • Opportunity for personal and professional growth in a dynamic industry

Please note, we retain applicant data for 12 months for recruitment purposes and future opportunities, after which it is securely deleted. At CellPoint Digital we are committed to be globally compliant with robust data protection.

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