Seeking an AS400 RPG Developer with 3–8 years' experience to develop, maintain and tune applications on IBM i (AS400). Responsibilities include RPG development (RPGLE/Free Format), DB2 for i database work, CL/job control, batch processing, integrations/APIs, debugging and production support, plus collaboration with business users and documentation. Experience in banking, insurance or retail and migration/modernization exposure is a plus.

Join the Elasticsearch Distributed Systems team to build core pieces of the Serverless Elasticsearch offering. Responsibilities include improving concurrent and consistent indexing across machines, maintaining cluster coordination for safety and liveness, pushing scalability limits (shards, nodes, petabytes), investigating and resolving performance and stability issues, and collaborating across teams. Required skills include Java, distributed systems, consensus algorithms, and strong debugging and algorithmic abilities. Bonus experience: Lucene, Netty.

Work on deep distributed systems challenges for Serverless Elasticsearch: improve concurrent and consistent indexing, maintain cluster coordination and safety/liveness, push limits on shards/nodes/petabytes, investigate and resolve performance and stability issues, and support operational investigations. Role emphasizes core Java, algorithms, concurrency, and collaboration across teams.

Netguru seeks regular and senior Fullstack Engineers (freelance, 100% remote) to start 01.10.2026 through end of 2026, working CET hours. The initial scope is accelerating DC operations and integrations (inventory capabilities, event-driven integrations, DC/WMS connectivity). Strong Go (preferred), Python, APIs, Kafka/event-driven systems and React/TypeScript experience and familiarity with distributed systems and system integrations are required.

Join the globally distributed Elasticsearch Analytical Engine team as a Senior Software Engineer focused on building analytics capabilities in a new aggregation framework and the ES|QL query language. Responsibilities include designing and implementing features, optimizing data structures and algorithms, debugging low-level issues, collaborating across teams and with the open-source community, and writing idiomatic modern Java. Requires strong core Java, systems engineering, and experience with search or data storage technologies.

Apiphani is hiring a Senior Software Engineer to design and implement backend services and orchestration layers (Python, TypeScript) that integrate LLMs, vector databases, and agentic workflows for a production AI automation platform. Requires 6+ years backend experience, strong AWS knowledge (including Bedrock), familiarity with RAG and vector DBs, and hands-on CI/CD and observability experience. Listed base salary: $120,000—$160,000 USD per year.

Capchase is hiring a Tech Generalist / Software Engineer to design, build, and maintain end-to-end systems including payment orchestration, ledger infrastructure, underwriting engines, and reconciliation pipelines. The role involves frontend and backend development, integrating with third-party financial APIs (e.g., Taktile, Modern Treasury, Kantox), architecting for scalability and reliability, and improving observability in a remote-first team. Requires 4+ years of production software experience and proficiency in TypeScript and Node.js.

Design, develop, and operate routing and logistics API services, including data consumption/storage, observability, metrics, experiments, and tooling. Role expects participation in end-to-end feature implementation, code/design reviews, on-call rotation (12/7), incident triage, and collaboration with product and sales engineering. Requires 5+ years experience in web services with Rust or TypeScript, experience with container-based environments (Docker, ECS, Kubernetes on AWS), knowledge of distributed systems, and strong English communication (B2+).

Join the Ops Engineering team to design and build internal full-stack applications and backend services that empower operations teams. Responsibilities include building integrations with platforms like Retool and Zendesk, developing scalable APIs, leveraging AI/LLM tooling for automation, creating data-driven features, and participating in on-call rotations. Requires 5+ years of software engineering experience and familiarity with Python, TypeScript/Node.js, backend architectures, databases (PostgreSQL, Redis), and cloud infrastructure (AWS).

Role to design and implement an LLVM-based backend JIT compiler targeting NVIDIA GPUs, develop compiler passes and optimizations, and collaborate with global hardware and application teams. Requires B.S. or higher (or equivalent experience), strong C++ skills, and compiler development expertise. Base salary range: 152,000 USD - 241,500 USD per year.

This remote-in-USA Software Engineer (L2) role on Twilio’s Voice Connectivity Trust team involves full SDLC ownership—designing, implementing, deploying, and operating distributed, real-time voice services. Required experience includes JVM/Java, REST and event-driven architectures (Kafka, SQS), cloud platforms (AWS/GCP/OpenStack/Azure), CI/CD, monitoring/alerting tools (Prometheus/Datadog/Grafana), on-call experience, and strong written communication including working with AI coding assistants. The role may require occasional travel and is not eligible for hire in certain U.S. states listed in the posting.

Join the In-Store squad to develop and maintain integrations with POS partners, contribute small-to-medium features, and participate in troubleshooting and on-call duties. The role requires 3+ years post-graduation experience, strong .NET/C# skills, knowledge of distributed systems (microservices, event-driven/Kafka), and experience with cloud and DevOps tools such as AWS, Kubernetes/EKS, GitHub Actions, Octopus Deploy, and Terraform.

Mercari Group seeks candidates able to join as new graduates in Oct 2027 or Apr 2028 for a Software Engineer internship based in Japan (remote or Roppongi office). Internship is typically 2–3 months with >20 hours/week. Tracks include backend, frontend, mobile, platform engineering, SRE, data engineering, and security engineering. Required or preferred skills include RDBMS/SQL, experience with languages and tools such as Go, PHP, Java, JavaScript/React, Swift, Kotlin, Python, Kubernetes, Terraform, cloud (Google Cloud/AWS), and familiarity with AI projects. Visa and travel/accommodation support are provided for overseas applicants; English and Japanese CEFR level B2 are indicated as required/desired in some teams.

Veeva seeks a Senior SRE for the Vault Platform to ensure scalability and reliability of enterprise applications. Role emphasizes 5+ years Java development, operational experience in high-volume production systems, incident management/on-call, automation, and hands-on work with open-source technologies (Spring, MySQL, Hibernate, Solr, Maven, Git, Tomcat, Linux, AWS, Vagrant, Docker, Kubernetes). Compensation range listed: 85,000–140,000 EUR total.

CrowdStrike seeks an Engineer III to develop and operate the NG-SIEM Global Serverless Platform control plane, focusing on scaling ingest/search for very large event volumes, high availability, automation and region-level integrations. Role is hybrid (in-office 2–3x/week) in Austin, TX. Candidates must be U.S. citizens or permanent residents. Base salary range: $140,000–$215,000 per year.

Role on the Backend Engineering team to design, build, and maintain scalable analytics and backend services for an ML/LLM observability platform. Responsibilities include developing APIs, working with OLAP and distributed systems, integrating collection and monitoring tools, and contributing to open-source components. Requires 5+ years of backend experience and strong proficiency in languages such as Go, Python, Java, or TypeScript.

Ramp is hiring a Senior Software Engineer for the Dev API team to design, implement, and operate multi-surface APIs and developer-facing platforms. The role requires 5+ years of backend engineering experience, hands-on use of AI coding agents, and experience with Python, Temporal, and Postgres. Responsibilities include end-to-end ownership of architecture, implementation, rollout, monitoring, and improving developer experience.

Lead development of LLM observability features at Datadog, designing and scaling systems for tracing, model evaluation, drift detection, and debugging inference pipelines. Role expects strong experience with distributed systems and scalable backend architectures, hands-on experience building LLM/GenAI applications, and familiarity with observability tools.

Work on fault-tolerant, horizontally scalable distributed systems and data pipelines ingesting and querying high-throughput events. Languages and technologies used include Go, Java, Rust, C++, Kafka, Redis, Cassandra and Elasticsearch. Role emphasizes durability, low latency, operability and use of AI tools to assist development.

Datadog is hiring a Senior Software Engineer to solve scaling bottlenecks, deploy features with progressive rollout via feature flags, investigate and fix production issues, and design systems for higher traffic. Requires 6+ years experience, strong programming skills (Go, C, Python), system design for high scale, and experience or interest in applying AI coding tools and building AI backend systems. Familiarity with Redis, Cassandra, Kafka, observability (metrics, logs, tracing), and data pipelines is a plus.