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Senior Golang Backend Engineer

Golang | AWS | Kubernetes | Linux | Distributed Systems

Are you passionate about building high-performance backend systems that operate at enterprise scale? We're looking for a Senior Golang Backend Engineer to join a team developing secure, cloud-native applications and distributed services that power mission-critical platforms.

This is an opportunity to work on complex engineering challenges involving microservices, authentication, cloud infrastructure, and high-throughput systems in a collaborative, fast-paced environment.

What You'll DoDesign, develop, and maintain scalable backend applications using GolangBuild and enhance cloud-native microservices deployed in Kubernetes environmentsDevelop RESTful and gRPC APIs for enterprise applicationsDesign secure authentication and authorization solutionsCollaborate with architects and engineers to design scalable, reliable systemsTroubleshoot production issues and resolve software defectsOptimize application performance, scalability, and reliabilityRefactor existing code to improve maintainability and efficiencyTranslate business requirements into technical solutionsParticipate in architecture reviews, design discussions, and code reviewsCreate and maintain technical documentationEstimate development effort and deliver high-quality softwareRequired QualificationsBachelor's degree in Computer Science, Engineering, or equivalent experience5+ years of backend software development experience2+ years of professional experience developing applications with GolangStrong experience building distributed systems and microservicesDeep understanding of Linux operating systems and development environmentsExperience working with Docker and KubernetesExperience building RESTful and/or gRPC servicesExperience with Git-based version controlStrong debugging, troubleshooting, and analytical skillsAbility to work independently while collaborating across engineering teamsTechnical SkillsProgramming LanguagesGolang (Go)Python or JavaScript (preferred)C programming experience is a plusCloud & InfrastructureAWS (EKS, ECS, S3, Lambda, SNS/SQS, or similar services)DockerKubernetesLinuxTerraform (preferred)Backend TechnologiesMicroservices ArchitectureEvent-Driven SystemsREST APIsgRPCConcurrent Programming (Goroutines)Identity & Security

Experience with one or more of the following:

Active DirectoryLDAPPKI / Certificate ManagementSSH Key ManagementOAuthOpenID Connect (OIDC)SAMLSingle Sign-On (SSO)Multi-Factor Authentication (MFA)Databases

Experience with relational and NoSQL databases, including:

PostgreSQLMongoDBDynamoDBRedisSQLPreferred Qualifications

Experience with any of the following is highly desirable:

High-volume, low-latency distributed systemsEnterprise platform engineeringAPI gateway developmentWorkflow orchestrationMessaging technologies (Kafka, RabbitMQ, SNS/SQS)Performance tuning and scalability optimizationCI/CD pipelinesCode reverse engineering and legacy modernizationObservability tools such as Grafana, Prometheus, Datadog, or SplunkWe're Looking For Someone WhoEnjoys solving complex backend engineering problemsThrives in cloud-native, distributed environmentsWrites clean, maintainable, production-quality codeTakes ownership of projects from design through deploymentValues collaboration, innovation, and continuous improvementHas experience building highly scalable, reliable backend platformsWhy Join Us?

You'll work alongside talented engineers building secure, scalable systems that support millions of users and mission-critical applications. This role offers the opportunity to make a significant impact while working with modern technologies in a collaborative engineering environment.

GCS is acting as an Employment Business in relation to this vacancy.

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Full Stack Software Engineer (React | Go/Node.js/Python | AWS)About the Role

We are looking for an experienced Full Stack Software Engineer to join a collaborative engineering team building modern, scalable web applications. This role combines frontend development, backend engineering, cloud technologies, and AI-driven solutions, offering the opportunity to work on innovative products that include live video capabilities and intelligent automation.

You will work closely with Product Managers, UX Designers, and fellow Engineers to deliver high-quality features that provide an exceptional user experience while maintaining robust, scalable backend services.

Key Responsibilities

Design, develop, and maintain responsive web applications using React.js.

Build intuitive, high-performance user interfaces with a strong focus on usability and accessibility.

Develop and maintain backend APIs and services using Go (Golang), Node.js, or Python.

Collaborate with Product Managers, Designers, and Engineering teams to define, develop, and deliver new features.

Ensure seamless integration between frontend applications and backend services.

Build, deploy, and maintain cloud-based applications using AWS.

Develop and support microservices and distributed systems using modern cloud-native technologies.

Participate in code reviews, testing, debugging, and continuous improvement to ensure high-quality software.

Contribute to CI/CD pipelines and deployment automation.

Produce clear technical documentation for system designs, APIs, and development workflows.

Work closely with UX Designers to ensure features are delivered in line with the original design intent.

Essential Skills & Experience

Strong commercial experience developing full stack web applications.

Expertise with React.js and modern JavaScript/TypeScript.

Experience developing backend services using Go (preferred), Node.js, or Python.

Strong understanding of RESTful APIs and system integration.

Experience working with AWS cloud services.

Knowledge of microservices architecture and distributed systems.

Experience with Kubernetes and containerised applications.

Familiarity with CI/CD pipelines and DevOps best practices.

Strong debugging, testing, and problem-solving skills.

Excellent communication skills and experience working within Agile development teams.

Desirable Experience

Experience developing live video, streaming, or real-time communication platforms.

Experience with video editing technologies or media processing.

Hands-on experience building AI-powered applications, including LLM agents.

Experience implementing solutions using the Model Context Protocol (MCP).

Exposure to modern AI frameworks and agentic workflows.

What We're Looking For

The successful candidate will be a proactive engineer who enjoys solving complex technical challenges and working across the full software development lifecycle. You'll be passionate about building scalable applications, collaborating with cross-functional teams, and embracing emerging technologies such as AI and cloud-native platforms.

If you're excited by the opportunity to work on cutting-edge products that combine modern web development, cloud infrastructure, AI, and video technologies, we'd love to hear from you.

GCS is acting as an Employment Business in relation to this vacancy.

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Senior Full Stack Engineer (React | Go | AI | Cloud)About the Opportunity

We're looking for a Senior Full Stack Engineer to join an innovative engineering team building next-generation web applications powered by cloud technologies and artificial intelligence.

This is a hands-on engineering role where you'll work across the entire technology stack-from creating exceptional user experiences to designing scalable backend services and integrating cutting-edge AI capabilities. If you enjoy solving complex technical challenges, building modern cloud-native applications, and working with emerging technologies, we'd love to hear from you.

What You'll Be Doing

Build modern, responsive web applications using React and TypeScript.

Design and develop scalable backend services using Go, Node.js or Python.

Develop APIs and microservices that support high-performance applications.

Collaborate with Product, Design and Engineering teams to deliver new features from concept through to production.

Build and maintain cloud-native applications using AWS.

Contribute to CI/CD pipelines, testing, automation and software quality.

Help shape technical architecture and contribute to engineering best practices.

Work on AI-powered features, intelligent automation and next-generation user experiences.

Build applications capable of handling real-time data and media-rich experiences.

We're Looking For Someone With

Strong commercial experience as a Full Stack Software Engineer.

Excellent React and modern JavaScript/TypeScript development skills.

Backend development experience using Go (Golang), Node.js or Python.

Experience building REST APIs and scalable backend systems.

Experience working with AWS or other major cloud platforms.

Knowledge of containerisation and Kubernetes.

Experience with microservices and distributed systems.

Understanding of CI/CD, testing and modern software engineering practices.

Strong communication and collaboration skills.

Highly Desirable

Experience working with AI technologies, including Large Language Models (LLMs).

Experience building AI agents, copilots or intelligent workflows.

Familiarity with Model Context Protocol (MCP) or AI tool integrations.

Experience with real-time applications, WebRTC, live streaming or video platforms.

Experience with media processing or video editing technologies.

Why Join?

You'll have the opportunity to work on products that combine modern frontend engineering, scalable backend architecture, cloud infrastructure and AI. This is an excellent opportunity for engineers who enjoy working across the full stack while exploring emerging technologies in a collaborative, forward-thinking environment.

GCS is acting as an Employment Business in relation to this vacancy.

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We are looking for a SDET with strong automation expertise to build and scale test frameworks from scratch. The role requires deep understanding of automation architecture, CI/CD integration, cloud-based testing, and end-to-end validation across web, API, and mobile platforms.

Key Responsibilities

Design and develop scalable test automation frameworks from scratchImplement parallel testing (cross-browser and multi-device execution)Build and maintain automated tests for web, APIs, and mobile applicationsDevelop scripts for real device testing in local labs and Sauce Labs environmentsIntegrate automation into CI/CD pipelines using Concourse and GitHub ActionsPerform troubleshooting, debugging, and root cause analysisCollaborate with cross-functional teams to ensure product quality

Required Skills

Strong programming skills in Python and solid testing fundamentalsExperience with Cypress (JavaScript) and/or SeleniumHands-on experience with automation framework design and architectureExpertise in parallel execution strategiesExperience with CI/CD pipeline setup and cloud-based testing toolsStrong knowledge of API testing and automation frameworksExcellent problem-solving and troubleshooting skills

GCS is acting as an Employment Business in relation to this vacancy.

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