
About the Role
We are looking for an experienced Calypso Developer with strong expertise in L2/L3 support and DevOps methodologies to join our engineering team.
In this role, you will bridge the gap between development and operations, ensuring the stability, performance, and continuous integration/delivery of our Calypso applications. You will handle complex technical issues, optimize system workflows, and automate deployment pipelines to support our global financial technology solutions.
Roles & Responsibilities
L2/L3 Support & Application Maintenance
- Provide high-quality L2 and L3 technical support for the Calypso platform, diagnosing and resolving complex production issues, system bottlenecks, and data discrepancies.
- Analyze application logs, thread dumps, and database queries to troubleshoot root causes of failures in a timely manner.
- Own and manage critical incident response, ensuring minimal downtime and adherence to strict SLAs.
- Collaborate closely with business analysts, clearing houses, and trading desks to resolve functional and technical queries related to Back-Office, Middle-Office, and market data interfaces.
- Implement, maintain, and optimize CI/CD pipelines for Calypso deployments using tools like Jenkins, GitLab CI, or TeamCity.
- Drive infrastructure automation and environment management using Ansible, Terraform, or similar tools.
- Containerize Calypso components where applicable (using Docker/Kubernetes) to streamline environment provisioning.
Preferred Candidate Profile
Experience
- 5 to 8 years of solid technical experience working with the Calypso Banking Framework.
Soft Skills
- Excellent analytical problem-solving skills.
- Strong communication skills to interact with global stakeholders.
- Ability to thrive under pressure in a production support environment.
Perks and Benefits
Competitive Compensation
- Market-leading salary with performance-linked annual bonuses.
Comprehensive Health & Wellness
- Premium medical, accident, and life insurance coverage for you and your immediate family.
Continuous Learning
- Access to professional certifications, internal tech academies, and structured leadership development programs to support your career progression.
Work-Life Balance
- Flexible working hours and hybrid work arrangements to keep your personal and professional life well-balanced.
State-of-the-Art Infrastructure
- Opportunity to work in a world-class office environment equipped with high-end tech infrastructure and vibrant collaboration spaces.

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Connect with the team
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Ideal Candidate
10+ years of experience in software/data engineering, with at least 3+ years in a leadership role.
Expertise in backend development with programming languages such as Java, PHP, Python, Node.JS, GoLang, JavaScript, HTML, and CSS.
Proficiency in SQL, Python, and Scala for data processing and analytics.
Strong understanding of cloud platforms (AWS, GCP, or Azure) and their data services.
Strong foundation and expertise in HLD and LLD, as well as design patterns, preferably using Spring Boot or Google Guice
Experience in big data technologies such as Spark, Hadoop, Kafka, and distributed computing frameworks.
Hands-on experience with data warehousing solutions such as Snowflake, Redshift, or BigQuery
Deep knowledge of data governance, security, and compliance (GDPR, SOC2, etc.).
Experience in NoSQL databases like Redis, Cassandra, MongoDB, and TiDB.
Familiarity with automation and DevOps tools like Jenkins, Ansible, Docker, Kubernetes, Chef, Grafana, and ELK.
Proven ability to drive technical strategy and align it with business objectives.
Strong leadership, communication, and stakeholder management skills.
We’re Hiring | Business Development Manager
Hestiya is looking for an experienced Business Development Manager with 8–10 years of strong experience in the Global Carbon Market to join our growing team.
✔ Strong experience in carbon credits / carbon trading (global markets)
✔ Proven track record in business development & revenue generation
✔ Strong network with global brands & sustainability stakeholders
✔ Excellent negotiation and client management skills
✔ Understanding of ESG, climate finance, and decarbonization strategies
- Manage accounts and financial operational activities
- Prepare Daily, Weekly and Monthly reports
- Record Maintenance for Factory and Admin Compliances
- Coordinate with auditor office about GST, TDS, and TCS Filings
- Manage the accounts team
Write for brand’s social media advertising campaigns.
Formulating high-quality still and visual content for each social media
campaign.
Building a social media presence by maintaining a solid online presence by
having a strong social media strategy and planning.
Monitoring the company's brand on social media.
Building brand awareness by engaging relevant influencers.
Managing our online communities to ensure respectful and appropriate
engagement.
Responding to comments on each of our accounts.
Overseeing customer service provided via social media.
Analyzing data to determine whether social media campaigns have achieved
their objectives.
• Design, implement, and extend core platform services and APIs to enable new
products and features to be built.
• Provide technical contribute to the core team that powers our backend services for
millions of concurrent users.
• Build and own the core systems that form the architecture of our backend services
from api gateways, service observability and inter-service communications to higher
level business components like identity, therapeutic engine, and analytics systems
just to name a few.
• Drive the qualitative aspects of the backend services, like performance, scalability,
observability, reliability and security and so on.
IIT, NIT and Top Tier-1 Institutes candidates only.
Skills
❖ At least 8 years of full-time engineering experience
❖ Proven ability to work on multiple projects at a time within a fast-paced environment with tight deadlines
❖ Expertise in Node, Javascript (ES6) and good understanding of web frontend technologies
❖ Experience developing large-scale software products, quality, monitoring and reliability
❖ Experience working with relational databases such as MySQL or Postgres
❖ Experience building REST APIs
Bonus Points
❖ Significant experience with TypeScript and Express.js
❖ Significant experience developing user interfaces with the React framework
❖ Experience with AWS
❖ Experience with Agile software development
2.front end work on React js
3.Backend work on Nodejs for api and scheduler part
4.Database Mysql/Mongodb
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