Encora (via Coforge) is hiring a Senior Backend Developer focused on Go/Golang to design, build and operate high-performance, resilient cloud-native backend systems for a cybersecurity platform. The role (remote, Colombia) requires 7+ years of backend or distributed systems experience, strong Go expertise, microservices, REST/gRPC, GCP, containerization (Docker, Kubernetes), messaging (Kafka or Google Pub/Sub), NoSQL and relational databases, GitOps/CI-CD and observability practices.

Join GitHub's Database Infrastructure team to design, build, and operate core database systems (MySQL) at scale. Responsibilities include building self-service tooling, operating and administering databases, participating in on-call rotations, diagnosing performance and availability issues, and developing disaster recovery and failover plans.

Role focused on backend C# / ASP.NET Core and SQL Server development and frontend Angular (incremental migration) using TypeScript, RxJS and NgRx. Responsibilities include vulnerability remediation, dependency upgrades, CI/CD and Docker-based deployments, automated testing (Jest, xUnit), and applying clean architecture and secure coding practices within an agile environment.

Seeking a Senior Full-Stack Engineer to lead modernization, vulnerability remediation, dependency upgrades, and CI/CD improvements for a cloud-based public-sector platform. Role covers backend C#/.NET (ASP.NET Core, EF Core, SQL Server) and front-end Angular (TypeScript, RxJS, NgRx) development, plus testing (Jest, xUnit), containerization (Docker), and CI/CD in an agile environment.

The role involves backend development in C# and ASP.NET Core, database design and optimization for SQL Server, and frontend work migrating to Angular with TypeScript, RxJS and NgRx. Responsibilities include modernization initiatives, vulnerability remediation, dependency upgrades, CI/CD and Docker-based deployments, automated testing (xUnit, Jest), and collaboration within an agile environment.

Seeking a Senior Full-Stack Engineer (5+ years) to lead modernization of a cloud-based .NET platform: backend development in C#/ASP.NET Core and SQL Server, frontend maintenance and incremental migration to Angular/TypeScript, vulnerability remediation (OWASP/CVE), automated testing, and CI/CD improvements. Role emphasizes secure coding, performance, clean architecture, and collaboration with QA/DevOps in an agile environment. 100% remote.

Seeking a Senior Full-Stack Engineer to lead modernization of a production .NET platform. Responsibilities include backend development in C#/.NET (Framework and Core), REST API design, SQL Server schema and query optimization, progressive refactoring to SOLID/clean-architecture, front-end maintenance and incremental migration from jQuery/Kendo UI to Angular/TypeScript, vulnerability remediation and dependency upgrades, automated testing, and CI/CD improvements. Role emphasizes secure coding (OWASP), AWS deployment experience, and working within an agile environment. 100% remote; role references Mexico City.

Role involves maintaining and modernizing a multi-layered .NET platform: develop backend services in C# and ASP.NET Core, design/optimize SQL Server schemas and queries, maintain browser UIs (jQuery, Kendo UI, Bootstrap) and lead incremental migration to Angular/TypeScript. Responsibilities include REST API design, refactoring to SOLID/clean architecture, vulnerability remediation (OWASP, SCA), automated testing, and CI/CD improvements. 5+ years .NET experience required.

Join a team to lead modernization, vulnerability remediation, dependency upgrades, and CI/CD improvements for a cloud-based public-sector platform. Responsibilities include backend development in C# and ASP.NET Core, SQL Server optimization, maintaining jQuery/Kendo UI frontends, incremental Angular/TypeScript migration, implementing secure coding practices (OWASP), and contributing to automated testing and CI/CD in an agile environment.

Seeking a Senior Full-Stack Engineer (5+ years) to maintain and modernize a .NET/ASP.NET Core platform, lead incremental Angular migrations, remediate vulnerabilities, improve CI/CD, and optimize SQL Server performance. The role requires strong C#, JavaScript/TypeScript, AWS experience, secure coding (OWASP), automated testing, and clean architecture practices.

Join the Account Experience team to design and deliver backend services (Primer Companion, Merchant Account Setup, Monitors, Workflows, Auditing) with end-to-end ownership from scoping to production. The role emphasizes reliability, performance, observability, distributed-systems fundamentals and working with REST APIs; payments/fintech experience is a plus.

Work on Primer's Orchestration team owning backend features end-to-end: design, implementation, monitoring, and incident resolution for services that handle real payment volume. Role emphasizes distributed systems fundamentals, reliability, observability, API design, and contributing to architecture and engineering standards.

Time & material freelance role designing and shipping firmware for connected devices (wearables, audio, health-tech). Requires 4+ years professional firmware development, strong C/C++, hands-on ESP32 (ESP-IDF/ADF) and STM32 experience, BLE and IoT protocol knowledge, and English at B2+. Fully remote, flexible hours; potential path to permanent contract after an initial freelance period.

Freelance Senior Flutter Developer to deliver cross-platform Flutter apps that interact with firmware and physical devices via BLE (experience with flutter_blue_plus preferred). Fully remote (Warsaw office & Gdansk cowork optional), paid on B2B hourly basis (90–180 PLN/h). Path to permanent contract possible after initial 3 months. Role requires commercial Flutter and Dart experience, platform debugging (iOS/Android), and strong problem-solving and collaboration skills.

Freelance Senior iOS Developer role (fully remote, Warsaw office available). Paid hourly B2B (90–180 PLN/h). Responsibilities: build and maintain iOS apps communicating with BLE hardware, write unit tests (XCTest/Quick/Nimble) with a TDD mindset, maintain CI/CD (GitHub Actions/Bitrise/Travis), review PRs, and collaborate with firmware, design, QA, and PMs. Path to permanent contract possible after initial 3 months.

Remote (UK) Senior Software Engineer responsible for operating 100+ multi-cloud streaming clusters and related database infrastructure (Mimir, Loki, Tempo, WarpStream). Duties include diagnosing cross-layer failures, designing safe rollouts, improving observability and automation, partnering with database and platform teams, participating in on-call rotations and incident response. Requires 6+ years of engineering experience, strong Kubernetes experience (AWS/GCP/Azure), familiarity with infrastructure-as-code (Helm/Terraform/Jsonnet), distributed systems knowledge, and proficiency in at least one language (Go preferred). Base compensation range (UK) GBP 91,755 - GBP 110,106.

Join Grafana Labs as a Senior Software Engineer on the Managed Services team to operate and evolve 100+ multi-cloud streaming clusters and related database infrastructure (Mimir, Loki, Tempo). Requires experience running distributed systems in production, strong Kubernetes knowledge, infrastructure-as-code familiarity, and at least 6 years of engineering experience. This is a remote role limited to candidates in Spain time zones; Spain base compensation range is provided.

Remote role (applicants must live in Ireland time zones) on the Managed Services team within Grafana's Databases department. Own and operate 100+ multi-cloud streaming (WarpStream) clusters and database infrastructure powering Mimir, Loki, and Tempo. Responsibilities include diagnosing cross-layer failures, designing safe rollouts, improving observability and automation, partnering with database and platform teams, serving on-call, and managing vendor relationships. Requirements include 6+ years engineering experience (SRE/platform/production/distributed systems), experience with streaming systems and analytical/storage backends, Kubernetes in cloud environments, IaC tooling, Linux and networking knowledge, and proficiency in at least one programming language (Go preferred).

Canonical's Kernel Team seeks a Test Engineer to own kernel testing strategy and infrastructure across many concurrently supported Ubuntu kernel versions. Responsibilities include designing and maintaining test plans and long-lived test suites, building automated test frameworks (stress tests, fuzzing, code coverage, regression detection), developing CI/CD pipelines, and collaborating with kernel engineers. Required skills include significant Python experience, familiarity with Linux kernel internals and system-level testing frameworks, CI/CD systems, git, and strong English communication. Role is remote within APAC with office options in Beijing (China) and Taipei (Taiwan); occasional travel (twice a year) is required.

Senior Mobile Engineer joining a cross-functional Food Tracking squad at Yazio. Responsibilities include owning features end-to-end, leading migration to Kotlin Multiplatform, integrating AI-powered features with backend teams, mentoring engineers, and partnering with Product and Design. Tech stack includes KMP, Kotlin, Compose, Swift/SwiftUI, kotlinx libraries, Ktor, and SQLDelight. Company language is English; the role is 100% remote and open to candidates based in Germany, Spain, Portugal, or the UK.