Senior Golang Developer
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Designs, develops, and maintains backend services in Golang; designs SQL database structures, manages indexes, and builds asynchronous communication with Kafka.
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Senior Golang Developer - Team *instinctools
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Senior Golang Developer
Home Vacancies Senior Golang Developer
*instinctools is a software development company that provides custom software solutions for businesses of all sizes. Our team works closely with clients to understand their specific needs and provide personalized solutions that meet their business requirements.
*instinctools is looking for a Senior Golang Developer for one of our clients.
Location: EU, Poland, Kazakhstan, Serbia, Georgia
Client: is a global mobility and urban services platform that allows users to book rides or other services and negotiate the fare directly with the service provider. It offers a variety of services including ride-hailing, intercity travel, delivery, and task assistance, operating in over 700 cities across 47 countries and is the second most downloaded mobility app in the world.
Duration of cooperation: 4-6+ months
Responsibilities and tasks:
Design, develop, and maintain backend services using Golang, delivering scalable, high-performance, and reliable solutions
Design optimal database structures (SQL), manage indexes, and optimize query performance
Build and maintain asynchronous communication between services (e.g., Kafka)
Take end-to-end ownership of backend services, including development, deployment, monitoring, and production support
Set up observability for services (metrics, logging, alerts), respond to production incidents, conduct root cause analysis, and participate in post-mortem processes
Write clean, maintainable, and well-structured code; perform code reviews and follow architectural guidelines and engineering best practices
Collaborate with cross-functional teams during planning and refinement sessions, validate requirements, and contribute to defining technical solutions
Proactively identify and implement improvements in system design, performance, and user experience
Our expectations of the ideal candidate: 7+ years of commercial backend engineering experience, including solving complex problems in high-load environments
5+ years of hands-on experience with Golang , including practical use of advanced features in production systems (generics, reflection, unsafe, custom synchronization primitives)
Strong SQL expertise, including schema design, scaling strategies (replication, partitioning, sharding), and query optimization for high-load environments
Deep understanding of Redis , including effective use of data structures and performance optimization in high-load systems
Experience with Docker and CI/CD pipelines; knowledge of Kubernetes (or similar orchestration tools) and cloud platforms (e.g., AWS)
Solid experience with synchronous and asynchronous inter-service communication patterns, with a focus on reliability and fault tolerance
Strong understanding of microservice architecture patterns and the ability to design efficient client-server interactions while accounting for system limitations
Experience in product-led environments and a proven track record of building and scaling high-load distributed systems
Proven ability to design and implement observability solutions, including metrics, logging, dashboards, and distributed tracing
Ability to write maintainable, testable code with solid unit/integration test coverage
Nice to have:
Experience with event-driven architectures (Kafka, NATS, RabbitMQ)
Familiarity with IaC tools (Terraform, Pulumi)
Experience with performance profiling/optimisation of Go services (pprof, trace)
Familiarity with design handoff tools (Figma) and cross-platform collaboration
Experience using AI-assisted dev tools (GitHub Copilot, ChatGPT, Claude) to speed up coding/testing/code review
English: Intermediate
Soft skills:
Highly proactive – ability to figure out who to reach out to and how to get things done independently
Stakeholder management – comfortable interacting with various stakeholders, from senior developers to product managers
Curious mindset – challenges existing processes and looks for continuous improvement
Strong communication – able to have project-related conversations with product managers and other team members
Time management – organized and reliable
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We offer:
flexible working time
professional and ambitious team
learning opportunities, seminars and conferences and time for exploring new technologies
co-funding for language courses (English)
Important Notice Regarding Your Personal Data Security
At *instinctools, we take the security of your personal data very seriously. Please be informed that all official communication, offers, and correspondence from *instinctools are conducted only through our verified company resources, including:
Official Email Domain: @instinctools.com
Company Website: https://www.instinctools.com
Important Reminder:
*instinctools will NEVER ask for sensitive personal or financial information, including:
– Bank account details
– Credit/debit card numbers
– Passwords or PINs
If you receive any suspicious requests claiming to be from *instinctools via unofficial channels (e.g., personal emails, social media DMs, or phone calls), please:
– Do not respond or share any information.
– Report it immediately to compliance@instinctools.com or your official contact.
Your trust and security are our top priorities. For any questions, always verify through our official channels.
Thank you for your attention and cooperation.
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Viktoryia Dziarbeyeva
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Developers *instinctools is a developer of IT solutions for Western Europe. We have over 350 projects in our portfolio. The spheres are different – from healthcare and medicine, training and education, to digital advertising, economics and IT. For the software implementation and maintenance across such a number of projects, competent developers are important.
We use a modern technology stack, the key of which are:
Javascript, ReactJS, Angular, Node.js, Golang, Python, Java, iOS, Android, Blockchain, AWS.
Join the *instinctools team!
*instinctools Poland
We have had a representative office in Poland (Warsaw) since 2021. Our Polish team consists of highly qualified and experienced specialists – most of them are Middle to Senior level Developers.
Right now we’re on the lookout for bright and innovative minds to join our professional team!
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