We are seeking experienced Senior Developer to design, build, modernize, and support enterprise-grade applications for the financial market, including funds, cards, payments, and related banking or transaction-processing platforms. The role involves on-premises and cloud servers/services, distributed systems, API platforms, data services, and mainframe-integrated environments. The ideal candidates will have strong software engineering fundamentals, hands‑on experience with Java and modern backend frameworks, cloud-native AWS services, messaging, databases, DevOps practices, and the ability to collaborate effectively in Agile/Scrum teams.
Key Responsibilities
* Design, develop, test, deploy, and maintain scalable enterprise applications using Java SE 11+, Java EE 9+, Spring Framework, and Spring Boot.
* Support financial market solutions involving funds, cards, payments, banking integrations, and transaction-processing workflows.
* Build and maintain RESTful APIs and backend services with secure authentication and authorization patterns, including OAuth 2.0.
* Develop cloud-native solutions using AWS services such as API Gateway, Step Functions, Lambda, AuroraDB, DynamoDB, and Redis.
* Support hybrid application landscapes that include on-premises servers/services, cloud services, and integrations between both environments.
* Integrate enterprise systems using IBM MQ, IBM DB2, Redis, APIs, and event‑driven communication patterns.
* Support applications that interact with mainframe systems as an end user, including navigation, validation, and issue investigation.
* Contribute to frontend and full‑stack development using Node.js, React, NestJS, and NGINX where required.
* Participate in API creation, documentation, testing, versioning, and lifecycle management.
* Build, maintain, and improve CI/CD pipelines using GitLab and modern DevOps practices.
* Deploy and support containerized applications in OpenShift environments.
* Use AI CLI tools responsibly to improve developer productivity, code analysis, troubleshooting, and documentation.
* Monitor, analyze, and troubleshoot application behavior using Splunk, Amazon CloudWatch, and Dynatrace.
* Troubleshoot production and non‑production issues involving applications, databases, messaging, cloud services, networking, and integrations.
* Collaborate with product owners, QA, architects, business stakeholders, and operations teams to deliver reliable solutions.
* Use Jira and ServiceNow for Agile delivery, incident management, change management, and operational support.
* Mentor junior and mid‑level developers through code reviews, design guidance, technical coaching, and engineering best practices.
* Produce high‑quality technical documentation, implementation plans, deployment notes, and support procedures.
Required Technical Skills
* Strong experience with Java SE 11+ and enterprise Java development.
* Experience with Java EE 9+ application development and enterprise integration patterns.
* Strong hands‑on experience with Spring Framework and Spring Boot.
* Experience with Python 3.x for automation, scripting, data processing, testing, or backend services.
* Solid understanding of API design, RESTful services, API creation, integration, and lifecycle management.
* Experience with IBM DB2, including SQL development, performance troubleshooting, stored procedures, and schema analysis.
* Experience with IBM MQ or similar enterprise messaging platforms.
* Experience with Redis for caching, session management, or distributed application use cases.
* Hands‑on experience with AWS services, including:
o API Gateway
o Step Functions
o Lambda
o AuroraDB
o DynamoDB
o Redis or ElastiCache
* Experience deploying or supporting applications on OpenShift.
* Experience supporting applications across on‑premises and cloud servers/services.
* Experience with CI/CD pipelines, preferably using GitLab.
* Experience with Node.js, React, NestJS, and NGINX.
* Experience implementing OAuth 2.0 authentication and secure service‑to‑service communication.
* Experience with observability and monitoring platforms such as Splunk, Amazon CloudWatch, and Dynatrace.
* Practical experience with development tools such as VS Code and IntelliJ IDEA.
* Familiarity with AI CLI tools for software development productivity.
Required Process and Collaboration Skills
* Strong experience working in Agile/Scrum delivery teams.
* Experience using Jira for backlog management, sprint planning, tracking, and reporting.
* Experience using ServiceNow for incidents, requests, changes, or operational workflows.
* Ability to communicate clearly with technical and non‑technical stakeholders.
* Strong analytical, debugging, problem‑solving, and root‑cause analysis skills.
* Ability to work independently while also collaborating effectively across distributed teams.
* Ability to mentor other developers and promote engineering excellence.
Preferred Qualifications
* Experience modernizing legacy enterprise or mainframe‑integrated applications.
* Experience in financial services, funds, card platforms, payment systems, or banking transaction environments.
* Experience with hybrid infrastructure, including on‑premises systems integrated with cloud‑native services.
* Experience designing resilient distributed systems using asynchronous messaging and cloud workflows.
* Experience with observability, logging, monitoring, alerting, and production support using tools such as Splunk, CloudWatch, and Dynatrace.
* Experience with database optimization across relational and NoSQL platforms.
* Experience with secure coding, vulnerability remediation, and enterprise security standards.
* Experience with automated testing frameworks for Java, Python, Node.js, and React applications.
* Experience designing reusable API patterns, integration templates, and developer standards.
Tools and Platforms
* Languages and Frameworks: Java SE 11+, Java EE 9+, Python 3.x, Spring Framework, Spring Boot, Node.js, React, NestJS
* Databases and Data Stores: IBM DB2, AuroraDB, DynamoDB, Redis
* Messaging and Integration: IBM MQ, REST APIs, API Gateway
* Cloud, Platform, and Infrastructure: AWS, OpenShift, Lambda, Step Functions, on‑premises servers/services, cloud servers/services
* DevOps and Source Control: GitLab, CI/CD pipelines
* Web and Runtime: NGINX
* Observability and Monitoring: Splunk, Amazon CloudWatch, Dynatrace
* IDEs and Developer Tools: VS Code, IntelliJ IDEA, AI CLI tools
* Enterprise Tools: Jira, ServiceNow
* Security: OAuth 2.0 authentication
* Mainframe: Mainframe usage as an end user
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