The role involves designing, building, testing, and shipping backend features for Stripe Billing and related financial automation products. Requires 5+ years of backend or platform development experience, proficiency in languages like Go/Java/C/C++, experience with large-scale distributed systems, and collaboration across infrastructure, security, design, and operations. Preferred experience includes event-driven architectures and subscription or usage-based billing systems.

Close is hiring a Senior (or Staff) Backend Engineer on the Backend Platform team (USA only, 100% remote). The role focuses on building developer-facing platform pieces: cloud dev environments (DevDawg), automated review tooling (Spice/coding agents), shared API blueprints and auth/permission plumbing, backend framework modernization (e.g., Flask → FastAPI paths), observability and production-readiness, and shared backend services (eventing, migration guardrails). Key technologies mentioned include Python, Flask, FastAPI, TaskTiger, Kafka, Redis, MongoDB, PostgreSQL, Elasticsearch, Docker, Kubernetes, AWS, Terraform and CI/CD tooling.

Develop high-performance cloud and container technologies using Python and Linux for a highly available orchestration platform (private cloud, 5G and Edge). Role requires experience with container technologies (Docker), Kubernetes cluster administration, Helm, Git/GitLab, and collaboration across remote teams; PostgreSQL and RabbitMQ are preferred.

Senior technical role to define, lead, and implement analytics capabilities in Elasticsearch’s new compute engine and ES|QL. Requires deep experience with search/analytics systems, core Java, data structures, concurrency, storage technologies, and collaborating across distributed teams. Involves technical vision, mentoring, and cross-organizational coordination.

As Lead Engineer on the Order Management team you will lead end-to-end technical initiatives across checkout, order lifecycle, fulfillment orchestration, and partner integrations. The role is hands-on and focuses on designing stateful services and workflows, driving technical decisions, improving reliability/observability, and mentoring engineers. The team works across a stack that includes Golang, Ruby on Rails, PostgreSQL, AWS, Kafka, Temporal, and Datadog; the position is remote for US-based candidates and requires 5+ years of relevant software engineering experience.

Sonatype seeks a Data Engineer (2–4 years experience) to develop and optimize data pipelines, ETL/ELT workflows, and analytics data models. Work includes supporting core data platform tools (Spark, AWS services such as S3, SNS, SQS, ECS/Fargate, EMR), monitoring pipeline quality and performance, contributing to CI/CD and documentation, and helping shape the data lakehouse architecture.

Own end‑to‑end feature delivery across Go backend services and React/Next.js merchant checkout UI, including gRPC/HTTP APIs, protobufs, database migrations, and TypeScript client integrations. Implement durable payment workflows (Temporal), instrument systems (Datadog/OpenTelemetry), participate in on‑call rotation, and collaborate with Product and Design. Requires 3+ years of professional experience shipping production systems.

Work on designing, developing, and operating scalable backend systems and Core APIs (Go/Node.js), define and own SLIs/SLOs and error budgets, build observability (metrics, logging, tracing), participate in on-call rotations, perform capacity planning and performance tuning, and mentor other engineers. Requires 5+ years backend experience and hands-on SRE practices, plus experience with Docker, Kubernetes, AWS, Terraform/CloudFormation, Datadog, and databases like DynamoDB/Redis/Elasticsearch.

Join the globally distributed Elasticsearch Search team as a Principal Software Engineer to design and implement vector search features, improve vector similarity functionality (HNSW, IVF, etc.), and contribute to Lucene and Elasticsearch codebases. The role emphasizes modern Java development, algorithm and data structure design, performance optimization, and collaboration with the open-source community.

The Wikimedia Foundation seeks a Senior Software Engineer for the MediaWiki Content Platform team to work remotely on wikitext processing, rendering and transformation services. Responsibilities include designing and implementing improvements to wikitext infrastructure, writing PHP and JavaScript, creating and maintaining internet APIs, instrumenting components, and leveraging caching and persistence technologies. The role requires 5+ years of professional software engineering experience and experience with parser/compilers or language runtimes, building reliable performant components, strong testing and engineering practices, and cross-team collaboration. Preferred timezone is GMT-4 to GMT+2. A US annual pay range (for US-based applicants) of USD 116,633–181,243 is provided; Wikimedia lists a set of non-US countries where it can hire.

Join Elasticsearch's globally distributed Search Relevance team to design and implement new search features, improve vector search capabilities (including HNSW/IVF and vector similarity), contribute to Lucene and Elasticsearch codebase, and collaborate with a distributed open-source community. The role emphasizes modern Java development, algorithm and data-structure work, and experience with search or vector databases.

Join the globally distributed Elasticsearch Search Relevance team as a Senior Software Engineer focused on vector search and search relevance. Responsibilities include designing and implementing new search features, improving relevance (including Lucene contributions), working with vector similarity algorithms (HNSW, IVF), and writing idiomatic modern Java in a distributed, open-source-oriented environment.

Senior Software Engineer role on the globally distributed Elasticsearch Search Relevance team. Responsibilities include designing and implementing search and vector-search features, improving search relevance (including work with Lucene), working with vector similarity algorithms (HNSW, IVF), contributing to open source, and collaborating asynchronously across a distributed team. Compensation range listed: €67,000–€106,000 EUR per year.

Join Elasticsearch's Search Relevance team to design and implement new search features, improve vector search capabilities (HNSW, IVF, vector similarity), work with Lucene, and write idiomatic modern Java on a globally distributed, open-source-focused team. Salary range provided in EUR.

Join the globally distributed Elasticsearch Search Relevance team to design and implement search features, improve vector search (HNSW, IVF and similar algorithms), contribute to Lucene and Elasticsearch codebase, write idiomatic modern Java, collaborate on open source issues and pull requests, and drive technical direction for search relevance.

Join the globally distributed Elasticsearch Search Relevance team to design and implement new search features, improve vector search capabilities, and resolve complex bugs. The role emphasizes Java development, work with vector similarity algorithms (e.g., HNSW, IVF), collaboration on open-source components like Lucene/Elasticsearch, and operating at scale in distributed systems.

Work on Elasticsearch's Search Relevance team to design and implement new search features, improve search relevance, and contribute to Lucene. The role requires writing modern Java, using and implementing vector-search algorithms (e.g., HNSW, IVF), collaborating with a distributed team, triaging community issues, and delivering scalable, performant search functionality.

Join the globally distributed Elasticsearch Search Relevance team to design and implement new search features, improve search relevance, and work on vector search capabilities. The role requires strong core Java skills, experience with vector similarity (HNSW, IVF) or vector databases, familiarity with Elasticsearch/Lucene, and working on large-scale search platforms. Compensation range listed in CAD.

Suvoda is hiring a Senior Full-Stack Software Engineer to own features end-to-end for a reporting web application. Responsibilities include building Python backend services (REST APIs, auth/SSO, audit logging, scheduling/background jobs, database schema and migrations), developing React/TypeScript frontend features (dashboards, data grids, permission-aware UI), integrating and maintaining AI-powered features and LLM integrations, containerizing and deploying services (Docker, Kubernetes/Helm), provisioning infrastructure as code (Terraform), and maintaining CI/CD pipelines (GitHub Actions). Requires a technical bachelor's degree and at least 7 years of full-stack experience, strong proficiency in Python and React/TypeScript, SQL and ORM experience, and familiarity with CI/CD, containerization, and infrastructure-as-code.

Seeking a Senior Software Engineer to lead initiatives in Elasticsearch search relevance and vector search, design and implement search features, improve performance, and fix bugs. The role emphasizes modern Java development, experience with search/vector databases (HNSW, IVF), working in a distributed, asynchronous engineering environment, and collaboration on open source projects.