Tech Lead (Python / API Squad)

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Full Time

Kaunas

Tech Lead (Python / API Squad)Datasets is a product within the Source ecosystem that turns real-time public web data into structured datasets for businesses, data teams, and AI developers. Like the other companies across Source, it runs independently while drawing on shared standards and expertise.The team waiting for you:

Our API Squad owns the public and internal APIs that give customers access to Datasets Products' extensive B2B dataset of company, employee and job records. You’ll join a small team of three Python developers as its dedicated Tech Lead, staying hands-on with code while guiding architecture decisions and mentoring engineers — without direct reports. The platform is evolving quickly as we rebuild our billing and credits system, scale event-driven data delivery and develop new ways to package our data. Your challenge will be to keep our high-traffic APIs reliable as they grow, establish clear technical ownership and help the team build systems it can confidently maintain together.

Tech stack

• Language & framework: Python, FastAPI
• APIs & gateway: REST, Kong
• Databases & search: PostgreSQL, MySQL, Elasticsearch
• Caching: Redis, Dragonfly
• Messaging & event streaming: RabbitMQ, Kafka, Redpanda
• Infrastructure & deployment: Docker, Kubernetes
• CI/CD: GitLab CI
• Monitoring & observability: Grafana, OpenTelemetry (OTel), Sentry

Gross salary: 5500 - 7500 EUR/month. Keep in mind that we are open to discuss a different salary based on your skills and competencies.Growth & Learning: 40+ internal learning options, external conferences, mentorship, and year-round knowledge-sharing.Health & Well-being: Private health insurance, psychotherapy, on-site well-being consultants, 24/7 gym access, and a wellness app.

Celebration & Community: Team events, an overseas workation, quarterly team-building budgets, and plenty of ways to mark milestones together.Plus bonus vacation days, paid life-moment days off, barista coffee, and all the tools you need. See the full list of benefits here: https://source.ai/career/blog/benefitsDatasets Product is part of Source, a data ecosystem for a world built on intelligence. One of a growing network of independent technology companies connected by shared standards, expertise, and a belief in responsible access to web data.

Interested?

• Let's get in touch!
• Health insurance, hybrid work, learning budget, workation, 24/7 gym + more
• Comfort
• Cyber City office perks
• Hybrid work (3 office days / 2 WFH) & WFA options
• Latest tools, gadgets & tech stack
• Extra day off
• Inclusive family-related time-off policy
• Well-being
• Private health insurance
• 24/7 gym
• Physical well-being specialists
• Psychologist/psychotherapist sessions
• Learning Resources
• Vast internal & external learning resources
• Guilds, communities & 800+ professionals by your side
• Source network & knowledge sharing
• Celebration
• Yearly workation
• Year-round internal & Source community events
• Team building budget
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