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Senior Software Engineer (Backend)

Work from home Full-time role Hiring

Field Materials develops AI-native construction procurement software. Our AI agents automate workflows in procurement, AP, and inventory management. As a result, our customers spend less time on data entry and manual workflows in legacy ERPs. Our edge is in best-in-class AI and powerful integrations with existing construction ERPs.

We're post-PMF and scaling: already processing $3B+ in material purchase volume across 16 construction trades.

Tech Stack

  • Go, GraphQL & Postgres (gqlgen, pgx, squirrel, dataloaders). Sophisticated data models aligned with ERPs. Complex authorization and approvals. In-house observability for GraphQL. AWS stack: ALB, ECS, RDS, S3.

  • Bidirectional integrations with unified data model across 13+ construction systems & on-prem connector. REST APIs, ODBC, COM, and others.

  • Generative AI + optimization algorithms drive document extraction. Models are heavily tuned for the domain. Algorithms, LLMs, and RAGs drive automations. Strong metric-oriented culture with evaluation sets across the board.

  • We spin out separate services where it makes sense. The construction data model is complex with a lot of business data constraints so we use ACID transactions whenever possible.

We’re looking for engineers who want extreme ownership. You’re not just a programmer; you own data models, API design, and distributed systems processing semantics.

About You

  • You are excited about startups and new products.

  • You enjoy solving complex problems and iterating fast.

  • You realize that products are built iteratively and specs evolve with customer feedback

  • You care about system and code design: well architected code is easier to understand, refactor, evolve, and inherit.

  • You enjoy building highly complex business applications that scale well with new requirements and new modules.

  • You care about products that have massive economic impact and have interest in FinTech.

What We Look For

  • BS (or higher) in Computer Science, related technical field or equivalent practical experience.

  • 2-5+ years of production level experience in Backend Engineering, preferably in Go.

  • Strong foundation in algorithms and data structures and their real-world use cases.

  • Experience working with SQL databases and complex data models.

  • Experience with distributed systems.

  • Experience with GraphQL, LLMs, and observability is a plus.

Benefits

  • Flexible time off

  • Equity awards

  • Gym reimbursement

  • Personal development fund for books, courses, certifications and conferences

  • Swanky new MacBook Pro

  • Work headphones reimbursement

  • Annual offsites at fun locations across Europe

BS or higher in Computer Science or related field; 2-5+ years production backend engineering experience, preferably in Go; strong algorithms and data structures; SQL databases and complex data models; distributed systems experience.

Key Responsibilities

  • owning data models
  • designing APIs
  • building distributed systems

Skills & Tools

Go, GraphQL, Postgres, gqlgen, pgx, squirrel, dataloaders, AWS, ALB, ECS, RDS, S3, REST APIs, ODBC, COM, LLMs, RAGs

Job Details

  • Category: Software Development
  • Seniority: Mid Level
  • Commitment: Full Time
  • Workplace: Remote — Europe
  • Languages: English

Benefits

  • Generous paid time off
  • Tuition reimbursement

About Field Materials

A company developing AI-native construction procurement software that automates workflows in procurement, AP, and inventory management. — Industry: Information Technology

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