Join Tide as a Staff Software Engineer on the agentic platform team (Lithuania). You'll design and build core backend services, APIs, workflow orchestration and integrate internal/third-party tools to productionise shared Generative AI capabilities. Tech highlights include Java/Spring Boot, event-driven messaging (SNS/SQS, Kafka), MySQL/Postgres (RDS/Aurora), Docker, Terraform, EKS and AWS. Gross monthly salary range: 7400–11560 EUR.

Tide is hiring a Staff-level Backend/Platform Engineer (AI) to design and build core services for an agentic platform—APIs, workflow orchestration, third-party tool integration, and shared AI capabilities. The role emphasizes reliability, security, observability, developer usability and productionising AI across the enterprise. Tech stack includes Java/Spring Boot, event-driven systems (SNS/SQS, Kafka), MySQL/Postgres on AWS, Docker, Terraform, EKS, and monitoring/CI tools. Role is remote-first with presence in Tide's Serbia technology centre.

Join Tide as a Staff Software Engineer on the agentic platform team to design and build core services (APIs, workflow orchestration, tool integration) that scale AI capabilities across the business. The role focuses on backend and platform engineering, reliability, security, observability and developer usability, working with product, data, platform and security teams. Tech stack includes Java, Spring Boot, event-driven systems (SNS/SQS, Kafka), MySQL/Postgres on AWS, Docker, Terraform, EKS and various data/ML tooling.

Work on full-stack and systems engineering for Replit Agent: build high-throughput backend services (e.g., streaming chat), design a collaborative "Multiplayer Computer" for humans and AI, and develop frontend/backend infrastructure that empowers product engineers. Requires 8+ years professional experience in building backend services, systems, and platforms; preferred experience includes AI tooling, collaborative editing technologies (OT/CRDT), Git internals, and event sourcing. Role is full-time, hybrid (in-office Mon/Wed/Fri) in Foster City, CA.

Build and own end-to-end data products (Data Feeds) and resilient distributed systems for multiple blockchain environments. Work with smart contracts and backend stacks (Golang, Solidity, Move, Rust, TypeScript, Postgres) in a remote role that asks for some overlap with Eastern Standard Time. Requires 7+ years of professional software engineering experience and experience with blockchain/Web3, systems design, and distributed/low-latency systems.

DuckDuckGo is hiring a Senior Backend Engineer to work remotely across multiple countries. The role requires 7+ years of backend experience (Perl, Go, Node.js), familiarity with AI agent tooling (RAG, prompt engineering, evaluation frameworks), and building/maintaining data processing pipelines and search-relevancy features. Responsibilities include owning complex projects, mentoring engineers, and collaborating across teams. Compensation listed at $178,500 USD/year plus stock options. Candidates should expect ~40 hours/week, occasional travel (~2x/year for all-hands and retreats), and a background check; company-sponsored health benefits are limited to US-based team members.

Remote B2B freelance role supporting development and maintenance of an enterprise SaaS platform. Requires 3–4 years backend experience with Java and Kotlin, familiarity with Spring Boot, REST APIs, SQL, and ERP integrations; work hours ~14:30–22:30 CET. Professional English and ability to operate independently in distributed teams are required.

Customer.io is hiring a Senior Software Engineer (Backend) to design, build, and operate large-scale distributed systems in Go. The role requires 7+ years building scalable systems, experience with cloud-native environments (AWS/GCP), familiarity with MySQL, observability and operating production systems, and ownership of end-to-end architecture, testing, deployment, and monitoring. Salary range: $150,000–$200,000 USD/year.

Build and evolve distributed systems in Go to power large-scale messaging; own architecture, schema design, testing, deployment, and monitoring. Requires 7+ years building scalable distributed systems, experience with cloud-native environments (AWS/GCP), familiarity with MySQL and observability tooling, and strong focus on reliability and performance.

Pindrop seeks a Senior Software Engineer to design, develop, test, deploy, and monitor scalable services and APIs using Go and Python on cloud platforms (AWS and GCP). Role requires 5–7 years of software development experience, proficiency with Kubernetes, Docker, CI/CD (Jenkins, GitHub Actions), data stores (DynamoDB, Redis, MySQL), observability tools (Prometheus, Grafana, Google Logging/Cloud Trace), and participation in on-call rotations. US-remote; listed base pay range $130,000–$170,000 USD/year.

Customer.io seeks a Senior Full-Stack Software Engineer to design, build, and ship core product experiences. The role focuses on full-stack features using Go, React, and Ember, with responsibilities including API integration, relational database work, performance and scalability improvements, system design, and using AI agents for code changes. Requires 7+ years building and scaling backend services and product-facing features. Position is remote across EMEA; listed starting salary $150k–$200k USD.

SmithRx seeks a Senior Backend Software Engineer for its Drug Access team (US remote). The role involves designing, building, testing, and maintaining backend systems and APIs, championing best practices and large-scale system design, and improving availability, performance, and scalability. Key technologies called out include Golang, GraphQL, Node, SQL/PostgreSQL, AWS (Lambda, DynamoDB, SQS, RDS), Docker, Kubernetes, and CI/CD. The posting specifies 5–8 years of professional software development experience and lists pay ranges that vary by US location.

1Password seeks a Senior Developer for the Growth team to build net-new self-serve experiences, evolve backend systems and integrations, and lead rapid experimentation (feature flags, instrumentation, analytics). Requires 5+ years in production SaaS, strong backend experience in Go/Node.js/Ruby/Python, and deep React/TypeScript experience for customer-facing web apps. Role is remote within the United States or Canada; US and Canada salary ranges are provided in the posting.

Senior/staff-level engineering role responsible for designing, building, testing, and maintaining server-side features and scalable APIs. Key technologies include Go, JavaScript/TypeScript, Node, GraphQL, PostgreSQL, Docker, Kubernetes and AWS (Lambda, Fargate). Responsibilities include architecture and design, CI/CD, production troubleshooting and root cause analysis, technical documentation, and mentoring junior engineers. Position is remote within the US with location-based salary ranges provided.

Design, build, and operate components of a routing data pipeline that transform raw geospatial data into production-ready routing tiles; integrate real-time traffic and map updates; improve pipeline latency and ensure high reliability, availability, and data quality at scale. Requires 5+ years backend-focused experience, 3+ years building modern Rust applications, and 3+ years with distributed systems (preferably AWS or cloud alternatives). Full-time, 40 hours/week with on-call rotation.

Seeking an experienced Engineering Manager with 7+ years in software engineering (≥2 years leadership) to provide technical leadership, mentor engineers, drive feature development, and ensure performance, scalability and reliability of ClickUp’s Tasks platform. Requires Node.js, relational database experience, modern frontend framework knowledge, and familiarity with AWS.

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.

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.

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.