*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.

Our team is looking for a Senior Fullstack (Go+React) Developer for one of our clients.

Our customer is one of the TOP-5 global management consulting firms considered to be among the most prestigious ones in the world. Hundreds of customers from Fortune-500, including the largest global financial institutions, the world’s top media companies, technology companies and federal government agencies rely on our Client’s proven platform and services.

The project is a proprietary platform enhances interactions with external network service providers, allowing consultants to find and interview industry experts for research. It offers features such as querying vendors, reading transcripts from past calls, expert discovery, scheduling, conducting calls, and browsing current project transcripts. It aims to provide faster, higher quality insights in a secure environment.

Our expectations of the candidate: 

  • Strong programming skills in Go (primary backend language for this role)
  • Proficiency with JavaScript/TypeScript and React for building and maintaining client‑facing features.
  • Experience designing and implementing RESTful APIs, microservices, and distributed systems.
  • Hands‑on experience with PostgreSQL and MongoDB, including schema design, indexing, and performance optimization.
  • Solid understanding of microservice architecture and 12‑Factor App principles.
  • Practical experience with Docker, CI/CD pipelines, and Git‑based workflows.
  • Strong understanding of software engineering fundamentals: clean architecture, testing, maintainability.
  • Basic hands‑on experience with Python
  • English: Upper-Intermediate

Nice to have:

  • Experience with AWS services (Lambda, ECS, S3, CloudWatch) and cloud‑infrastructure basics.
  • Familiarity with Redis and message queues (SQS)
  • Frontend performance optimization, responsive UI, and experience with Redux, Zustand, Vite.
  • Exposure to DevOps practices and infrastructure‑as‑code tools (Terraform, CloudFormation).
  • Understanding of security and authentication standards (OAuth, JWT) and performance monitoring tools.
  • Experience with Node.js (as an additional plus).

Soft skills:

  • Strong ownership mindset and accountability.
  • Ability to balance backend depth with frontend usability.
  • Effective communication in cross-functional teams.
  • Analytical thinking and structured problem-solving.
  • attitude and continuous learning mindset.
  • Ability to prioritize and work in a fast-paced environment.

Responsibilities and tasks:

  • Design, develop, and maintain end-to-end web applications using GoPythonJavaScript (React), and Postgres, MongoDB.
  • Build and deploy microservice-based architectures aligned with 12-Factor App principles, ensuring scalability, maintainability, and resilience.
  • Collaborate with product managers, designers, and other engineers to translate business requirements into robust technical solutions.
  • Develop and integrate RESTful APIs and manage data flows between backend and frontend components. Implement CI/CD pipelines, write automated tests, and ensure code quality and consistency through reviews and best practices.
  • Support deployment and operations on cloud platforms (AWS), focusing on reliability, performance, and cost optimization.
  • Troubleshoot production issues, monitor system health, and contribute to continuous improvement initiatives.

We offer:

  • flexible working time;
  • professional and ambitious team;
  • transparent system of professional and career development;
  • learning opportunities, seminars and conferences and time for exploring new technologies;
  • the opportunity to realize your potential outside the projects: we arrange meetups and conferences where our staff can perform, develop professional communities;
  • full remote work;
  • co-funding for language courses  (English).

 

Join us and be part of a team that is changing the world through technology.

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.

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!

Natallia Babovich
Natallia Babovich Recruiter
We will be glad to see you in our team!

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    *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!