Jobs at Wissen Technology

Build and maintain scalable automated testing frameworks for an enterprise credit platform. Develop and execute UI, API, integration, unit, and performance tests using Playwright, Selenium, Postman, RestAssured, JMeter, and LoadRunner. Support CI/CD, TDD, pair programming, cloud-based testing environments, data pipeline validation, monitoring, and defect detection. Collaborate with technical and business stakeholders, lead testing initiatives, and apply AI tools to improve automation productivity and test-suite maintenance.

Develop and maintain Java applications, microservices, automation frameworks, and enterprise observability dashboards. Troubleshoot applications through log debugging and Linux command-line operations, including shell scripting with awk, sed, and grep. Build and execute automated tests using Selenium or Playwright, support Java-based systems, and work within Agile teams. Public cloud and Kafka or Redpanda experience are advantageous.

Build, deploy, and scale enterprise Generative AI solutions using Azure AI services, LLMs, RAG architectures, and agent frameworks. Develop production-ready APIs and integrations, implement evaluation, observability, guardrails, and CI/CD, and optimize AI systems for accuracy, performance, scalability, reliability, and cost. Collaborate with engineering teams to drive AI adoption, secure enterprise data integrations, and deliver solutions from concept through production.

Design, develop, and deploy production-grade Generative AI and Agentic AI applications. Build autonomous agents, multi-agent workflows, tool-calling systems, and enterprise AI integrations using LLMs, APIs, knowledge sources, RAG, and vector databases. Create scalable architectures, evaluate and improve model performance, and collaborate with product, engineering, and business teams to deliver secure, reliable AI solutions.

Design, develop, test, and maintain scalable Java backend applications using Spring Boot, RESTful APIs, microservices, and relational databases. Collaborate with cross-functional engineering and product teams, optimize performance and security, troubleshoot production issues, participate in code reviews, and contribute to CI/CD and deployment processes.

Own and optimize a high-volume financial processing engine and its surrounding Python services. Responsibilities include batch orchestration, concurrency, SQL performance, REST API and microservice design, accounting workflows, message-queue integration, resiliency, testing, and mentoring junior developers.

Build backend features, REST APIs, database integrations, reference data loaders, operational scripts, and automated tests. Develop and verify SQL, use ORM sessions and transactions, investigate defects, and support administrative, lookup, and search services. The role requires professional Python backend experience, PostgreSQL and SQL knowledge, web framework experience, Git, code review, testing, and the ability to work in unfamiliar codebases from specifications.

Design, build, and maintain scalable Python backend microservices and APIs. Deploy cloud-native applications on AWS, optimize MongoDB and relational database performance, and implement CI/CD pipelines with container orchestration. Apply software architecture, testing, security, AI development practices, and incident management principles. Investigate production outages, conduct root cause analyses, and deliver preventive solutions while collaborating with development, data, and infrastructure teams.

Lead a distributed engineering team delivering API-first, event-driven services for People and Culture technology. Responsibilities include designing scalable and secure products, integrating Agentic AI and LLM APIs, partnering with business stakeholders, modernizing processes, maintaining existing systems, and improving engineering practices through CI/CD, TDD, pair programming, automated testing, and platform evolution.

Business Analyst responsible for gathering and documenting regulatory reporting requirements within investment banking and capital markets. The role analyzes data flows, performs reconciliation and data-quality assessments, translates regulations into functional specifications, and supports solution design, testing, UAT, implementation, and production troubleshooting. Requires expertise in MiFID, ASIC, and EMIR, strong SQL and Unix/Linux skills, understanding of trade and reporting processes, and effective stakeholder management across business, compliance, and technology teams.

Designs and maintains Playwright automation, API, end-to-end, regression, functional, integration, and manual tests. Tests React applications across browsers and AWS environments, integrates automation into CI/CD pipelines, analyzes failures, tracks defects, collaborates with delivery teams, and improves test coverage and QA processes.

Develop scalable full-stack web applications using TypeScript, React, and Node.js. Build RESTful APIs, secure JWT authentication, PostgreSQL databases, Kafka services, and Dockerized deployments. Deploy and support applications on AWS, write automated tests, troubleshoot production issues, participate in code reviews and Agile ceremonies, and collaborate with product, QA, DevOps, and engineering teams.

Designs and maintains Playwright automation, executes functional, regression, integration, end-to-end, and manual tests, and performs REST API testing. Validates React applications across browsers and AWS environments, integrates tests into CI/CD pipelines, investigates failures, tracks defects, and collaborates with cross-functional Agile teams to improve test coverage, reliability, and QA processes.

Build scalable full-stack applications and AI-powered agentic workflows using Python, React, AWS, Kafka, SQL/PostgreSQL, and RESTful APIs. Develop and orchestrate AI agents with tool calling, memory, planning, multi-step execution, and enterprise integrations. Deploy, monitor, troubleshoot, and test cloud applications while implementing authentication, logging, error handling, and reliable asynchronous services. Collaborate with product, AI/ML, QA, DevOps, and engineering teams in an Agile/Scrum environment.

Develop scalable full-stack applications with TypeScript, React, and Node.js; build secure REST APIs, database queries, Kafka workflows, Docker containers, and AWS deployments. Integrate Microsoft Teams and Slack using APIs, webhooks, bots, and notifications. Troubleshoot production issues, write tested code, participate in reviews and Agile ceremonies, and collaborate with product, QA, DevOps, and engineering teams. The posting also requires Playwright-based automation and API testing experience.

Design, develop, and maintain Playwright-based automated tests for React web applications and REST APIs. Execute functional, regression, integration, and end-to-end testing; troubleshoot failures; manage defects; validate workflows and business rules; and support testing across AWS environments. Collaborate with developers, product managers, analysts, and QA teams in Agile/Scrum processes. Maintain test cases, data, scenarios, frameworks, documentation, and CI/CD integrations.

Develop scalable full-stack applications using TypeScript, React, and Node.js. Build RESTful APIs, responsive UI components, secure JWT authentication, PostgreSQL databases, Kafka-based services, and Docker containers. Deploy and support applications on AWS, troubleshoot production issues, write automated tests, participate in code reviews, and collaborate in Agile teams with product, QA, and DevOps stakeholders.

Develop and maintain scalable full-stack web applications using TypeScript, React, and Node.js. Build RESTful APIs, secure JWT authentication, PostgreSQL databases, Kafka-based services, and Dockerized deployments. Support AWS cloud deployments, testing, debugging, production troubleshooting, code reviews, and Agile/Scrum ceremonies. Collaborate with product, QA, DevOps, and engineering teams while contributing to application design, development, deployment, and ongoing support.

Leads hands-on design and development of scalable Java backend applications, microservices, distributed systems, REST APIs, and Kafka-based event-driven architectures. Responsibilities include HLD and LLD, technical direction, code reviews, performance and resiliency improvements, production issue resolution, CI/CD and DevOps initiatives, stakeholder collaboration, and mentoring senior developers. The role focuses on high-volume, low-latency, mission-critical systems and requires strong system design, database, cloud, and technical leadership expertise.

Leads Oracle Cloud technical solution design, development, integration, and support. Works with OIC, Oracle Fusion Cloud, SOAP and REST services, reporting, OCI services, Autonomous Database, SQL/PLSQL, file-based integrations, FBDI/HDL conversions, and security authentication. Participates in architecture reviews, prepares technical designs, solves complex integration problems, and supports ERP and finance-related business processes.