Source Job

• Build and maintain backend APIs and services.
• Collaborate with front-end teams to deliver performant, secure integrations.
• Refactor and modernize legacy systems for scalability and observability.

Consumer Edge is a data and AI-driven company equipping global organizations with real-time, transaction-based insights. Their engineers work across domains like Data, AI, and application development to build a platform translating complex data into clear business intelligence.

• Develop and maintain applications using modern Java technologies, based on customer requirements.
• Design, develop, and build scalable applications in a cloud-native, microservices-based environment.
• Contribute to the migration of business logic from a legacy billing system into a modern streaming platform.

Deutsche Telekom IT Solutions Slovakia, formerly T-Systems Slovakia, has been in Košice since 2006 and is a founding member of Košice IT Valley. They have grown to be the second-largest employer in eastern Slovakia, with over 3900 employees, focused on innovative information and communication technology services.

• Architect and evolve backend systems (Scala / Play / Postgres / AWS)
• Design and deploy scalable APIs and AI-assisted services
• Own feature development from end to end (ideation to production)

Process Street is an AI software and compliance operations platform startup from San Francisco, helping customers build, document, automate, and track recurring workflows. They service over 3k customers globally and are VC-backed by Accel, Salesforce, and Atlassian, fostering a healthy, collaborative remote culture.

• Build and maintain tools for developing and testing Java services and system packages on the JVM.
• Further enrich and streamline the Java developer experience, including debugging, profiling, and code optimization utilities.
• Collaborate with team members and engineers across the company to design elegant systems.

Yelp is the richest source of local business data and user-generated content in the world. Their backend engineers use that data to power websites and mobile apps. They value individual authenticity and encourage creative solutions to problems.

• Securities Finance exposure: Securities Lending, Repo, or Collateral Management
• Understanding of front-to-back SecFinance workflows
• SQL and relational databases (hands-on)

Breezy is a company that helps businesses streamline their hiring process. We provide applicant tracking system (ATS) software to help companies find and hire the best talent. Our culture is focused on innovation and helping our customers succeed.

• Work on initiatives to design, build, and maintain scalable microservices primarily using Kotlin.

Pleo builds spend solutions that make managing money seamless. They are a driven, progressive, and kind bunch of 850+ people from over 100 nationalities, all committed to delivering the future of business spending, together.

• Design and build core systems for our new product from scratch
• Build low-latency, high-reliability services that interact directly with Solana's transaction and block building pipeline
• Implement security at every layer, from transaction signing to user data protection

Jito builds the Market Layer of Solana, the infrastructure that powers real markets on-chain. They build foundational network infrastructure and are a small, profitable company with product-market fit where every team member drives significant technical decisions and shapes our product roadmap.