or apply directly on CoLab Software's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 69 days CoLab Software's roles stay open a median of 81 days
- Reposted
- No
- Salary listed
- No 0% of CoLab Software's roles list one
- Ghost-job risk at CoLab Software
- high 28 stale, 3 reposted of 29 open
- Hiring momentum
- 38 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-10-23
Measured from postings appearing on and disappearing from CoLab Software's own greenhouse board since 2026-08-03. Full hiring picture for CoLab Software.
About this role
As a Senior Backend Developer at CoLab, you will be responsible for designing and building backend services that power the Operator intelligence layer, enhancing the platform's capabilities in knowledge retrieval and AI-driven insights. Your work will involve developing scalable retrieval systems, improving search quality, and collaborating with cross-functional teams to deliver impactful customer-facing features. This role emphasizes solving complex backend problems and requires a strong focus on data architecture and system design.
- benefits
- 3/5
- freshness
- 3/5
- career value
- 4/5
- role clarity
- 4/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of CoLab Software as an employer.
What you need
- 7+ years building production backend software
- Strong experience with Python and modern backend development
- Experience building APIs, distributed systems, and cloud-native applications
- Strong understanding of databases, system architecture, and scalable backend design
- Experience working with structured and unstructured data
- Comfortable making architectural decisions in evolving product environments
Nice to have
- Experience building AI-powered applications or LLM workflows
- Experience with retrieval systems, semantic search, or RAG architectures
- Experience with vector databases or search infrastructure
- Experience with embeddings, ranking, or information retrieval
- Experience with event-driven architectures
What you get
- Competitive compensation and stock options
- Extended health benefits
- Unlimited paid vacation
- RRSP matching
- Flexible hybrid and remote options
Worth weighing
- No specific salary listed
- Role involves complex and ambiguous work
- Focus is heavily on backend systems, not frontend development
- Experience with AI products is not required but is a plus
Summarised from CoLab Software's posting. Read the full original.
Listed by CoLab Software on their greenhouse job board, last confirmed open on 2026-10-23. PitchMeAI is not the employer.
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