Work on core components of Serverless Elasticsearch addressing distributed-systems challenges: cluster communication, consistent concurrent indexing, data allocation, and cluster coordination. Requires deep distributed systems and consensus algorithm knowledge, strong Java and algorithm skills, experience debugging and operating highly distributed systems, and ability to own end-to-end operational investigations. Typical starting salary range: €67,000–€106,000 EUR.

Role to design and implement core distributed-systems components for Serverless Elasticsearch: indexing, cluster coordination, shard/node scale, performance and concurrency. Requires deep distributed-systems knowledge, strong Java (JDK), algorithms, concurrency, and experience debugging and operating large-scale clusters. Bonus: Netty, Lucene, data stores and search/analytics experience.

Work on deep distributed-systems problems for Elasticsearch Serverless: indexing, allocation, cluster coordination, and performance at scale. Requires strong Java skills, expertise in distributed systems and consensus algorithms, and experience debugging and operating multi-node systems. Candidates should be able to own technical projects end-to-end and support operational investigations.

Join the Elasticsearch Distributed Systems team to design, build, and operate core components of the Serverless Elasticsearch offering. Responsibilities include improving concurrent and consistent indexing across machines, maintaining cluster coordination for performance and resilience, scaling shards/nodes/petabytes, investigating performance and stability issues end-to-end, and supporting support engineers. Requires deep distributed systems and consensus knowledge, strong core Java and algorithm skills; Lucene and Netty are listed as bonuses.

Join Chainguard's Platform team to design, build, and own customer-facing backend services and public APIs consumed across multiple products. Requires 5+ years building production services and APIs in cloud environments, strong Go proficiency (or rapid ramp), and experience with microservices, containers, and Kubernetes. Base salary range: $157,000–$184,000 USD per year.

Lead end-to-end architecture and technical direction for Coinbase's IDV platform that powers decisioning, vendor orchestration, and verification infrastructure (≈700K verifications/month). Responsibilities include platform consolidation, vendor-agnostic orchestration, scalability for new products and modalities, and defining APIs/abstractions. Requires 8+ years backend experience and expert-level Go with experience in gRPC/microservices, AWS, and Kubernetes.

Work on the Onboarding team to build and scale Ramp’s account-creation flows and application decisioning platform that interfaces with fraud, compliance, and credit underwriting models. Responsibilities include shipping metric-driven software, automating decisioning operations (including AI assistance), and partnering with product, data, design, and cross-functional stakeholders. Minimum 2 years of software development experience; preferred experience with Python (Flask), SQL, observability tooling, and applying AI/LLMs in production.

Role involves leading design and delivery of complex risk platform features end-to-end (architecture, implementation, deployment, monitoring), partnering with Data Science/ML/Product/Compliance, building real-time and model-driven fraud detection systems, applying generative AI responsibly, and driving incident response and operational excellence. Required: 5+ years backend experience and proficiency in Go, Ruby, Python, or Java. Annual base salary listed as 191,100 CAD.

Responsible for building and extending federated identity and authorization platform services (OAuth2/OIDC/SAML/JWT), integrating with FusionAuth, and delivering backend services in C# and Python. Works on multi-tenant API design, supports product teams' integrations, and contributes to AI-native delivery and platform capabilities that support cross-product functionality.

Join GitHub's API Gateway team to define multi-year architecture and technical strategy for traffic management, design and implement scalable solutions (rate-limiting, routing, global traffic), author ADRs, lead cross-team reliability efforts, mentor engineers, and participate in on-call. Requires extensive production software experience and hands-on knowledge of cloud-native platforms and proxies/load balancers.

Join GitHub’s Git Systems Engineering team as a Principal Software Engineer to design, develop, and operate high-performance, scalable services powering Git operations. The role involves cross-team technical leadership, architectural design, prototyping, mentoring, on-call service maintenance, and collaboration with product and engineering stakeholders. Requires substantial software engineering experience and proficiency in one or more languages listed in the posting.

Senior engineering role owning technical strategy and execution for Reddit's Ads Business Manager platform. Requires 7+ years building production services at scale, deep backend expertise (Go/Python), experience with distributed/event-driven systems (Kafka, Pub/Sub), API/service frameworks, and prior Tech Lead experience. Responsibilities include leading cross-functional projects, mentoring engineers, shaping identity/permission systems, and driving adoption across teams.

Senior technical role (7+ years) on Reddit's Onboarding team owning backend architecture for signal collection, personalization pipelines, and experimentation infrastructure. Responsibilities include partnering with Product, Design, and Data Science, driving instrumentation and A/B testing, collaborating with relevance/feeds/notifications teams, and advocating for reliability, scalability, and engineering excellence.

Responsible for designing, maintaining and improving a high-availability, low-latency trading backend. Work with product and leadership to translate requirements, decompose monoliths into microservices, define architecture standards and lead initiatives to production. Qualifications include production Kubernetes and microservices experience, trading/fintech background, event-driven design and stream processing (Kafka or equivalent), strong proficiency with PostgreSQL, Redis and ClickHouse, and backend development in JVM languages (Java, Kotlin or Scala).

Senior Golang/TypeScript engineer (remote, Colombia) responsible for designing, implementing, testing and maintaining scalable, fault-tolerant backend systems and AI platforms on AWS. Requires 8+ years experience, strong backend and REST API skills, DDD and hexagonal architecture knowledge, IaC (CloudFormation/CDK/Terraform), CI/CD, databases (NoSQL/RDBMS), observability, and experience mentoring and participating in on-call rotations. Preferred: AI/ML experience, Temporal, DevOps practices.

Hiring a Senior Golang / TypeScript Engineer (8+ years) to design, develop, and maintain scalable, secure, and highly available backend systems and AI-powered platforms on AWS. Responsibilities include building REST APIs, participating in full SDLC, testing, CI/CD, on-call rotations, and mentoring. Required skills include Golang, TypeScript, AWS (CloudFormation/CDK/Terraform), NoSQL/RDBMS, DDD, Hexagonal Architecture, observability, and CI/CD.

Hiring a Senior Golang/TypeScript engineer (8+ years) to design, develop, and maintain scalable, secure backend systems and AI-powered platforms on AWS. Responsibilities include full lifecycle development, testing, deployment, on-call rotations, mentoring, and collaborating in Agile teams; required skills include Golang, TypeScript, REST APIs, AWS, CI/CD, NoSQL/RDBMS, DDD/Hexagonal Architecture and related tooling (CloudFormation/CDK/Terraform).

Hiring a Senior Golang/TypeScript Engineer with 8+ years of backend experience to design, implement, test, deploy, and maintain scalable, fault-tolerant backend systems and AI-powered platforms on AWS. Required skills include Golang, TypeScript, REST APIs, CI/CD, NoSQL/RDBMS, DDD/Hexagonal Architecture, Infrastructure as Code (CloudFormation/CDK/Terraform), observability, and mentoring. Role involves participation in full SDLC, on-call rotations, and collaboration in Agile teams.

Senior backend engineer (freelance, T&M) to own end-to-end backend architecture for IoT/connected-device projects: data ingestion, APIs, cloud infra on AWS (EKS, Aurora, DynamoDB, Timestream, S3), Kubernetes, Docker, Terraform, MQTT and CI/CD. Requires 7+ years backend experience, strong Node.js in production, deep AWS and infra experience, English B2+. Fully remote with optional Warsaw office/coworking in Gdansk. Initial freelance period may lead to a permanent contract.

Cribl seeks a Staff Software Engineer for its Core Platform team to design, develop, and maintain backend systems and APIs that ingest, process, and route telemetry at scale. Role emphasizes distributed systems, performance, cloud services, automated testing, and mentoring; remote within the United States. Base salary range stated as $205,000–$245,000 USD per year.