Develop and evolve backend microservices on Azure and Kubernetes; implement transactional security and 2FA (OTP, biometrics); integrate Google Pay and Apple Pay with fraud detection; migrate/modernize Java applications; provide technical support and onboarding. Required: 4+ years backend experience, Java (8/11/17), Spring Boot, WebFlux/RxJava, relational and NoSQL databases, Docker, Jenkins/Azure DevOps, REST APIs, Kafka, testing (JUnit/Mockito), observability and security tools.

Work on Firefox security architecture and cryptography stack, implement web platform security features, improve reliability and performance of a multi-threaded browser, and collaborate on security initiatives. Required skills include C/C++, security and cryptography knowledge, debugging multi-threaded native applications, and familiarity with Rust and web technologies.

Mozilla is hiring a Senior Software Engineer for Firefox Security to advance Firefox's security architecture and cryptography stack (including cryptographic protocols and WebPKI), design and implement web platform security features, and improve stability, performance, and memory efficiency in a multi-threaded browser. Role requires strong C/C++ proficiency, security fundamentals, debugging skills, and familiarity or interest in Rust. Position is remote (UK) with a stated hiring range of £66,000–£87,000 GBP.

Work on Firefox's security architecture and cryptography stack, including cryptographic protocols, WebPKI, and security-sensitive web APIs. Design and implement web platform security features, improve browser reliability/performance in a multi-threaded native codebase, collaborate across teams on security initiatives, and contribute to technical design and standards-based implementations. Requires strong C/C++ skills, security fundamentals, debugging and systems programming experience; Rust familiarity is a plus.

Work on Firefox security architecture and cryptography stack (cryptographic protocols, WebPKI, security-sensitive web APIs), design and implement web platform security features, improve browser reliability/performance/memory in a multi-threaded native codebase, and collaborate across teams. Requires strong software engineering fundamentals, proficiency in C/C++, familiarity with Rust, and experience debugging cross-platform native applications.

Mozilla is hiring a Senior Software Engineer for Firefox Security to advance Firefox's security architecture and cryptography stack (including WebPKI and PKI evolution), design and implement web platform security features, improve browser reliability/performance, and collaborate on security initiatives. Role expects strong C/C++ skills, familiarity or interest in Rust, multi-threaded and cross-platform debugging, and experience with cryptographic protocols. Salary range for Remote Spain: €58,000–€77,000.

Work on Firefox's security architecture and cryptography stack, design and implement web platform security features, improve browser reliability, performance, and memory efficiency, and collaborate with distributed teams. Role emphasizes C/C++ proficiency, familiarity with Rust, and experience with cryptography and multi-threaded native applications.

Work on Firefox's security architecture and cryptography stack, design and implement web platform security features, and improve browser reliability, performance, and memory efficiency. Role emphasizes C/C++ proficiency, familiarity with Rust, multi-threaded and cross-platform native development, and applied cryptographic/security knowledge while collaborating across distributed teams.

Stitch Fix is hiring an Engineering Manager, Fulfillment to lead a distributed engineering team building and operating order, inventory, warehouse, and transportation management systems. The role requires technical leadership, hiring and mentoring, cross-functional collaboration with product and operations, and experience with real-time/distributed systems using technologies such as Go, Ruby, Kafka, RabbitMQ, Redis, and Postgres. Salary range for US-based hires: $130,900–$218,000 USD per year.

Experienced backend engineer responsible for designing and implementing backend services, RESTful APIs, microservices, and real-time/event-driven systems using Java or Python (FastAPI/Flask). Role requires cloud and container experience (Docker, Kubernetes, AWS including Lambda/Step Functions/SQS), familiarity with databases and search technologies (Snowflake, DynamoDB, RDS, MySQL, MongoDB, Elasticsearch/OpenSearch/Solr), testing, CI/CD, and monitoring. Flexibility to work across global time zones is requested.

Seeking a Senior Backend Engineer with 8+ years of experience to design and implement backend services and APIs using Java and/or Python. Responsibilities include building scalable microservices, implementing RESTful APIs (FastAPI/Flask), developing containerized applications (Docker, Kubernetes), working with event-driven architectures and messaging (SQS), and deploying on AWS including serverless components (Lambda, Step Functions). Familiarity with databases (Snowflake, DynamoDB, RDS, MySQL, MongoDB), search technologies (Elasticsearch/OpenSearch/Solr), CI/CD pipelines, logging/monitoring (Prometheus, Grafana, CloudWatch), and security best practices is required. Role is remote with a Hungary location and requires flexibility to work across global time zones (mentions EST and IST).

Nagarro seeks a Python developer to design, develop and deploy AI-powered applications focusing on Generative AI and Agentic AI. Responsibilities include integrating LLMs and AI services, building autonomous agent workflows, implementing retrieval pipelines and prompts, and ensuring performance, scalability and reliability. Desired experience includes Python, LLM-based application development, agent frameworks (LangChain/LangGraph/CrewAI/AutoGen or similar), prompt engineering, RAG, vector databases and familiarity with Elasticsearch, cloud platforms, containerization and MLOps practices.

Join a development team to design, implement, and own end-to-end LLM-powered features, including RAG systems, retrieval, multi-agent systems, and evaluation. The role expects strong Python and REST API experience (e.g., FastAPI), hands-on use of major LLM APIs (OpenAI, Anthropic), and proficiency with vector databases, semantic search, event-driven architectures, and security practices. Flexible remote work from Germany.

Nagarro is hiring a Python developer to design, develop, and deploy Generative AI and Agentic AI applications. Responsibilities include building LLM-based solutions, orchestrating autonomous agents (using frameworks like LangChain, LangGraph, CrewAI, AutoGen), implementing RAG and retrieval pipelines, integrating with external APIs and enterprise systems, and optimizing for performance and scalability. Experience with Elasticsearch, vector databases, cloud platforms, containerization, and MLOps is noted as desirable.

Join Grafana Labs' Observability team to design, implement, and scale integrations, middleware, SDKs, dashboards and alerts for Grafana Cloud. Requires 5+ years' software engineering experience, familiarity with at least one major cloud provider, experience with observability tooling (Grafana, Prometheus, Loki, OpenTelemetry), microservices/distributed systems, and participation in on-call rotations. UK base salary range provided (£91,755–£110,106).

Remote senior role on the Grafana Cloud Observability team building scalable integrations and infrastructure for metrics, logs, and traces. Requires 5+ years' software engineering experience, familiarity with cloud providers, observability tooling (Grafana, Prometheus, Loki, OpenTelemetry), microservices and distributed systems, and participation in on-call/incident management. Candidates are sought in the UK, Spain, Germany, or Sweden.

Grafana Labs is hiring a Senior Software Engineer for the Grafana Cloud Observability team (remote; seeking candidates in the UK, Spain, Germany or Sweden). The role involves designing and implementing scalable integrations, SDKs and middleware for metrics, logs and traces, working with Kubernetes and cloud provider services, participating in on-call rotations, and contributing to open-source projects. Minimum 5+ years' experience; familiarity with observability tooling (Grafana, Prometheus, Loki, OpenTelemetry) and cloud-based production systems is required. Spain-specific base compensation range is €82,988–€99,586 per year.

Join Grafana Labs' Observability team to design, build, and scale integrations and infrastructure for Grafana Cloud, working with tools like Prometheus, Loki, Tempo, and OpenTelemetry. The role requires ownership of services, participation in on-call rotations, collaboration across teams, and contribution to open-source projects; minimum 5+ years of experience is required.

NVIDIA seeks a Senior Systems Software Engineer to drive performance and scale characterization of the DGX Cloud stack (Kubernetes control/data planes and NVIDIA components such as GPU Operator, Network Operator, DCGM, NIM). Responsibilities include designing and implementing performance/scale tests, developing monitoring and CI/CD frameworks, triage and root-cause analysis of large-scale distributed systems, and engaging with upstream open-source communities. The role requires 8+ years of relevant experience and expertise in Kubernetes, distributed accelerator-based systems, performance benchmarking/modeling, and proficiency in Golang or Python.

Seeking a senior backend engineer experienced with Java and Spring Boot to design and implement REST APIs (OpenAPI), integrate with DB2 via JDBC, apply resilience patterns (timeouts, retries, circuit breakers), and implement contract testing (Pact, Spring Cloud Contract). Role emphasizes automated testing, CI/CD, observability and working with legacy-modernization and integration scenarios. Remote role based in Spain; permanent contract.