Staff Software Engineer (JAVA)
Job Title: Staff Software Engineer
Locations: Sofia, Bulgaria
Reports to: Manager, Product Development
A career that’s the whole package!
At Conga, we’ve built a community where our colleagues can thrive. Here you’ll find opportunities to innovate and support growth through individual and team development, all within an environment where every voice is heard.
Conga accelerates the customer’s journey to becoming a more connected and intelligent business. The Conga Advantage Platform is recognized worldwide for enhancing this journey, bringing together Configure, Price, Quote, Contract Lifecycle Management, and Document Automation capabilities on a single open platform. It integrates seamlessly with any ERP, CRM, and Cloud. Powered by a unified data model and purpose-built AI, Conga helps companies achieve a unique advantage—one built on seamless connection, actionable intelligence, and scalable growth.
Our approach is grounded in the Conga Way, a framework that encapsulates our values and drives everything we do as an organization—from hiring to decision-making and product development to colleague programs. Created with direct input from our colleagues, the Conga Way forms the foundation of our vibrant culture.
A quick snapshot…
As a Staff Software Engineer at Conga, you'll help shape the architecture and technical direction of our cloud-native platform. You'll design and build highly scalable, resilient backend services that power mission-critical revenue operations for enterprise customers worldwide. Working closely with engineering leaders, architects, and product teams, you'll drive technical excellence, mentor engineers, and influence key architectural decisions across our distributed systems ecosystem.
Why it’s a big deal…
Conga's platform supports some of the most critical business processes for global organizations, including pricing, contracting, and revenue management. The systems you design and build must handle high volumes of data, deliver exceptional reliability, and scale as our customers grow. As a Staff Engineer, your impact extends beyond individual services. You'll help define engineering standards, shape platform architecture, and influence how our teams build secure, scalable, and high-performing solutions that power the future of Conga's products.
Here’s what we’re looking for…
5+ years of experience developing large-scale, complex applications with Java
Strong expertise in backend development, including multi-threading, messaging, streaming, performance optimization, and horizontal scalability
Solid experience building REST APIs and backend services
Hands-on experience with Cassandra and other NoSQL databases
Strong knowledge of Redis, including caching and stream-based workflows
Experience with cloud platforms, especially Microsoft Azure
Strong understanding of distributed systems, microservices architecture, and event-driven design
Solid understanding of OOP, design patterns, SOLID principles, and clean architecture
Awareness of algorithmic complexity and Java data structures
Experience with SQL and NoSQL databases
Familiarity with Agile methodologies such as Scrum or Kanban
Experience with BDD/TDD practices
Familiarity with CI/CD tools such as Jenkins, GitHub Actions, or similar
Working knowledge of Git, Jira, and Confluence
Experience with Docker and Kubernetes
Excellent analytical, problem-solving, and communication skills
A proactive mindset and willingness to learn and work across backend technologies
Nice to Have (Advantage):
Experience leveraging AI-assisted development tools (e.g., GitHub Copilot, ChatGPT, or similar) to improve productivity, code quality, or development workflows
Experience with Java 21 and/or Dropwizard
Familiarity with OpenSearch or Elasticsearch
Experience with Azure Service Bus, Redis Streams, or similar messaging technologies
Experience with AKS, Helm, or other Azure deployment tooling
University degree in Computer Science or a related field
Here’s what will give you an edge…
Design and develop backend services in Java for a cloud-native, microservices-based platform with a strong focus on scalability, performance, resiliency, and maintainability
Build reusable backend services and distributed system capabilities that support real-time pricing and related business operations
Work with Cassandra, Redis, Azure, and event-driven patterns to deliver reliable, high-throughput backend solutions
Collaborate with a talented international team of engineers, product managers, and architects to define system functionality and plan future sprints
Partner with tech leads and architects to align implementations with industry best practices and company standards across the backend layer
Contribute to backend architecture decisions, service design, and data handling patterns
Participate in code reviews, pair programming, and knowledge sharing across the engineering team
Provide technical mentorship to junior engineers, guiding them in best practices, design decisions, and professional growth
Conduct technical research to solve complex problems and drive continuous improvement across backend technologies
Contribute to and maintain technical documentation
Develop unit, integration, and service-level tests, and collaborate with QA to ensure end-to-end quality
Work closely with the DevOps/Cloud Services team to support deployments and troubleshoot production issues
Help improve engineering processes, delivery practices, and operational reliability across the platform