Aerostrat is hiring a Senior Backend Software Engineer to expand infrastructure and APIs for its aviation maintenance planning SaaS. The role requires significant experience with C#/.NET, SQL databases (SQL Server), building and consuming REST APIs and microservices, and cloud projects on Azure or AWS. Responsibilities include designing, developing, and maintaining scalable, well-tested services and collaborating with business teams and customers; the position is full-time, remote with preference for candidates within 50 miles of Seattle, WA.

The role requires 3–8 years of Oracle PL/SQL development experience to write and optimize stored procedures, functions, triggers and packages, perform query optimization and support ETL/data integration and migration. Candidate will work with application developers and stakeholders, ensure data integrity and security, troubleshoot database issues, and maintain technical documentation. Experience with Unix/Linux scripting, BI/reporting tools and domain exposure to banking or financial systems is a plus.

Encora is hiring a .NET Developer to build scalable backend systems and RESTful APIs using C# and .NET/.NET Core (ASP.NET/ASP.NET Core). Requires 3–8 years' .NET development experience, familiarity with relational databases (SQL Server, Oracle, MySQL), Git, and responsibilities including debugging, performance optimization, code reviews, testing, deployment, and maintaining technical documentation.

Seeking an experienced COBOL Developer to support and enhance legacy mainframe systems (IBM z/OS). Responsibilities include developing and maintaining COBOL applications, batch processing with JCL, debugging and performance tuning, working with DB2 or IMS, participating in testing/UAT and production deployments, and documenting technical specifications. Preferred experience in banking/financial services and system modernization.

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.

LivePerson is hiring a Java Backend Engineer to develop and maintain high-volume, low-latency REST-based backend services and troubleshoot distributed microservice systems. The role requires 7+ years of experience, strong Java/Spring Boot skills, expertise with databases (SQL/NoSQL like Cassandra/MySQL), and experience with tools such as Kafka, Airflow, Spark, Kubernetes, Git, and Jenkins.

Join Astronomer as an early-career Software Engineer on the Astro Core Services team to build and maintain core backend platform components (public APIs, auth, billing, alerting). Requires a CS/software degree or equivalent, exposure to backend languages (Go/Python/Java), familiarity with SQL and distributed systems fundamentals. Estimated salary $140,000–$170,000.

Join the Elasticsearch Distributed Systems team to improve components for concurrent and consistent indexing across machines, maintain cluster coordination for performance and safety, increase scale (shards/nodes/petabytes), diagnose performance and concurrency issues, and support engineering teams. Requires strong background in distributed systems, consensus algorithms, core Java, concurrency primitives, and algorithms.

Work on Elasticsearch components for concurrent and consistent indexing across machines, maintain cluster coordination for performance and safety, scale shards/nodes/data, investigate and resolve performance and concurrency issues, and support engineering teams on complex problems. Requires strong Java, distributed systems, algorithms, and concurrency skills.

Datadog is hiring a Senior AI Engineer in Paris to design, prototype, and productionize LLM-based agents and tools that assist developers (e.g., generating tests, fixing bugs, improving performance). The role involves working with designers, PMs, data scientists, and other teams to build prompts, evals, agent tooling, and integrations (such as IDE extensions and instrumentation). Requires at least 5 years of backend engineering experience (Go, Java, Python) and prior experience shipping software that uses LLMs or related large-scale ML systems, plus experience building developer tools.

Responsible for building scalable multi-tenant inference services and APIs, improving observability and capacity management, partnering with platform and GPU teams, providing technical leadership, and mentoring junior engineers. Requires 8+ years experience with large-scale distributed systems, SRE practices, 2+ years Go and Kubernetes experience, and familiarity with LLM serving tools (vLLM, Triton, TensorRT-LLM).

Senior Full Stack Engineer responsible for designing, building, testing, and maintaining features across frontend and backend. Work includes monolith-to-service decomposition, platform scaling, building Node.js services, and using technologies such as Go, TypeScript, Node.js, React, PostgreSQL, Redis, Kubernetes, Rails, and Google Cloud Platform. Requires 7+ years' experience, participation in on-call rotation, lawful authorization to work in the United States (no sponsorship), and occasional travel. Annual base salary ranges provided by geographic tier: $187,000–$271,920 USD.

Higher Logic seeks a Senior Software Engineer (Backend / PHP) to design, build, and maintain backend systems and APIs for a large, configurable community platform. The role emphasizes scalability, performance, security, testing, production troubleshooting, and responsible use of AI-assisted development tools while collaborating across product, QA, and support teams.

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.

As a Senior Go Developer based in Costa Rica, you will lead design and development of scalable backend services and cybersecurity intelligence capabilities using Golang. The role includes building microservices and APIs, developing CI/CD and observability practices, working with Docker, Kubernetes and cloud platforms (preferably GCP), using messaging systems like Kafka or Pub/Sub, and mentoring junior engineers. Requires 7+ years of backend and distributed systems experience.

Encora seeks a Senior Go Developer in Bolivia (hybrid) to design, develop, and maintain production backend services and cybersecurity intelligence capabilities using Golang. The role involves building microservices and APIs (REST/gRPC), working with containerization (Docker, Kubernetes), cloud platforms (preferably GCP), messaging systems (Kafka, Google Pub/Sub), CI/CD and GitOps practices, and mentoring junior engineers. Minimum required experience is 7+ years in backend engineering and distributed systems.

Encora is hiring a Senior Go Developer based in Peru (hybrid) to design, develop, and maintain backend services and cybersecurity intelligence capabilities using Golang. The role requires 7+ years of backend engineering experience, strong Go proficiency, microservices and API (REST/gRPC) design, containerization (Docker, Kubernetes), experience with cloud platforms (preferably GCP), messaging systems (Kafka or Google Pub/Sub), databases (relational and NoSQL), and CI/CD/GitOps practices.

Lead backend engineer role (7+ years) focused on building scalable microservices and APIs with Golang, operating in a cloud-native environment (preferably GCP). Responsibilities include developing CI/CD pipelines, containerization (Docker), orchestration (Kubernetes), working with messaging systems (Kafka/Pub/Sub), databases (relational and NoSQL), contributing to architecture, code reviews, and mentoring junior engineers.

Twilio is hiring a Software Engineer to develop and maintain full‑stack applications and internal tools for Messaging Supply. The role involves designing, developing, testing, and deploying scalable services, collaborating with cross‑functional teams, writing unit/integration/load tests, conducting code reviews, and troubleshooting. Requires at least 2 years of full‑stack software engineering experience, strong CS fundamentals, proficiency in at least one programming language/web stack, and fluency in English.

CrowdStrike is hiring a Sr. Backend Engineer II for the Detection Engine (CDE) Platform team to design, build and scale core platform services that ingest, process and route security events. The role is hybrid based in NYC (expected office visits ~2x/week) and emphasizes Go-based microservices, streaming technologies (Kafka, Flink), Kubernetes, distributed databases (e.g., RocksDB), and cloud experience (AWS/GCP/Azure). The posting specifies 8+ years of relevant experience and lists a U.S. base salary range of $160k–$250k per year.