Top Tech Jobs & Startup Jobs in Krakow

As a BDR SMB, you will build pipeline and generate opportunities for sales in the DACH region through high-volume outbound execution and cold calling, working closely with the GTM team.

Own merchant solutions from technical discovery through production launch. Responsibilities include leading demos, designing payment integration architectures, responding to RFPs and security reviews, guiding developers through APIs and SDKs, troubleshooting payment flows, managing testing and go-live, documenting integrations, and coordinating with Sales, Product, Engineering, and merchant teams.

Staff Software Engineer responsible for architecting and developing scalable web applications and APIs using Elixir, React, and PostgreSQL. The role involves solving ambiguous technical and business problems, ensuring system reliability and performance, collaborating cross-functionally, presenting solutions to leadership, writing tested code, participating in code reviews, mentoring engineers, and removing technical roadblocks.

Build and operate scalable Phoenix and LiveView applications, REST APIs, real-time features, OTP systems, and background workloads. Design performant PostgreSQL data models, implement secure authentication and authorization, deploy services on Kubernetes and GCP, and contribute to observability, CI/CD, testing, technical leadership, mentoring, and architecture decisions.

Provide technical support for customers running Qdrant in production, troubleshooting Kubernetes, cloud, networking, storage, messaging, and database issues. Lead incident investigations, develop diagnostics and internal support tools, document solutions, and collaborate with engineering and platform teams. The role requires strong Kubernetes and infrastructure expertise, scripting ability, cloud experience, database knowledge, and clear communication in a remote, asynchronous environment.

Designs and operates a multi-cloud, Everything-as-Code platform using Kubernetes, Terraform, GitOps, service mesh, and policy-as-code. Responsibilities include managing EKS and AKS foundations, Istio/Envoy control planes, OPA/Rego policy gates, keyless identity and Vault workflows, OpenTelemetry observability, and ArgoCD delivery pipelines. Requires deep production Kubernetes experience, advanced service mesh expertise, infrastructure-as-code proficiency, and knowledge of distributed tracing and zero-trust security.

Improve Firefox Gecko’s Session History health by writing Web Platform Tests and Gecko mochitests, fixing test failures and code issues, debugging a mature browser-engine codebase, and collaborating through code review and upstream landing.

Own Frontier Traders end to end, including Solana data ingestion, high-volume attribution pipelines, rewards and VIP systems, realtime leaderboards, partner integrations, and trader-facing product experiences. Lead architecture, delivery, testing, observability, incident response, and roadmap definition while working directly with traders, market makers, Foundation stakeholders, design, and product teams.

Build responsive, performant, accessible web applications; make frontend architecture decisions; write unit and integration tests; maintain frontend-backend API contracts; improve engineering processes and tools; and collaborate cross-functionally. The role requires strong JavaScript and frontend expertise, including TypeScript, React, Next.js, HTML5, CSS3, testing libraries, RESTful APIs, Figma, usability, and user experience.

Own the full inside sales cycle for Northern Europe, including lead qualification, outbound prospecting, discovery, demonstrations, negotiation, closing, forecasting, CRM maintenance, and deal processing. Build territory pipelines, sell HPC and AI solutions to technical and business stakeholders, expand existing accounts, coordinate with partners and internal teams, and achieve quarterly and annual bookings targets.