Senior Back-End Developer

We are seeking a Senior Back-End Developer to design, build, and optimize the APIs, data models, and services that power ProVision. You’ll work closely with front-end engineers, QA, and DevOps to deliver reliable, scalable, and secure back-end systems serving global enterprise clients.

The ideal candidate will bring strong experience in Python/Django, AWS services, and distributed systems design, with a focus on performance, maintainability, and clean architecture.

What You’ll Be Doing

• Design and implement RESTful APIs using Python 3.10+ and Django 4.x / Django REST Framework;
• Develop scalable data models and queries with PostgreSQL, Redis, and Elasticsearch/OpenSearch;
• Build background workers and asynchronous tasks using Celery, SQS, and Lambda;
• Integrate AWS services (S3, SNS/SQS, CloudFront, ECS, RDS) into application workflows;
• Participate in code reviews and maintain clean, secure, and well-documented services;
• Collaborate with DevOps to improve CI/CD pipelines and infrastructure automation;
• Contribute to architecture discussions, scalability planning, and performance optimisation.

Must-Have Requirements

• 10+ years of experience in software development, preferably in SaaS environments;
• Strong expertise in Python (3.10+), Django (4.x), and Django REST Framework, with solid REST API development experience;
• Strong system design and software architecture skills, with experience building scalable, reliable, and high-performance systems on AWS;
• Hands-on experience with AWS services and infrastructure, including ECS, Lambda, S3, CloudFront, and RDS;
• Strong experience with PostgreSQL, Redis, Elasticsearch/OpenSearch, Celery, and messaging systems such as SQS/SNS;
• Experience with Git, CI/CD pipelines, Agile/Scrum environments, and modern development best practices;
• English at B2+ level, sufficient for daily communication with the team.

Preferred Requirements

• Experience with infrastructure-as-code tools such as Terraform, Docker, Kubernetes, and AWS developer tooling;
• Knowledge of authentication frameworks, role-based access control, and multi-tenant architecture/design patterns;
• Understanding of testing frameworks, linting, and pre-commit workflows (GitHub CI, pytest, Ruff, etc.).
• A pragmatic engineering mindset with a focus on reliability and clean architecture;
• Strong collaboration and communication skills within cross-functional Agile teams;
• A proactive approach to improving codebases and developer experience;
• Strong analytical skills and attention to detail when solving problems;
• Experience with text/document processing libraries such as pdfplumber, PyPDF2, or docxtpl;
• Familiarity with observability and monitoring tools (CloudWatch, Sentry, Prometheus), as well as secure key management solutions (KMS, SOPS).

Personal Attributes

• Strong ownership mindset and ability to work independently on complex tasks;
• Proactive problem-solving approach, with the ability to identify risks and suggest practical solutions;
• Strong communication and collaboration skills;
• Pragmatic mindset, balancing technical quality, business needs, and delivery priorities;
• Willingness to share knowledge and contribute to high engineering standards;
• Willingness to improve the codebase, architecture, and development process.

How We Work

• We work in Scrum, with several development teams working on the same platform;
• All requirements are well described by QA and BA in Jira/Confluence;
• Development is highly supported by AI tooling with mandatory human review;
• The architect supports architectural decisions and oversees system consistency;
• Manual and automated QA to ensure regression is not introduced;
• Multitenant, scheduled releases, handled by the Delivery team.

We offer

• Maximum flexibility;
• Professional trainings, conferences and certifications;
• Corporate events and benefits;
• Professional literature;
• English courses.

If you are interested, please let us know [email protected]