Skip to content
Search jobs inside your AI agent. Claude, ChatGPT, Claude Code, Codex, Gemini, Cursor and Grok
Connect

S I Systems

NewBe an early applicant

Intermediate Backend (Python) Software Developer to design, build and maintain secure, scalable APIs and integrations on an API gateway platform within the banking and financial services industry (Hyb

Posted Updated 44 views
Discussion

Summary

Build and maintain secure, scalable REST APIs and API products on an API gateway platform for a Canadian banking client, on a small team (hybrid in Calgary). Day-to-day is Python development with PyTest in CI/CD, plus JavaScript (Node.js, Next.js), testing, deployment, and production support.

Intermediate Backend (Python) Software Developer to design, build and maintain secure, scalable APIs and integrations on an API gateway platform within the banking and financial services industry (Hybrid, Calgary AB)(2026-98)

Our banking client is seeking a Intermediate Backend (Python) Software Developer to design, build and maintain secure, scalable APIs and integrations on an API gateway platform within the banking and industry (Hybrid, Calgary AB)(2026-98).

Overview:

This is a backfill on a small team (1-5), building API products and solutions that integrate into the gateway and broader ecosystem.

Must-Haves:

  • 6+ years of experience as a Software Developer
  • Proven experience developing and maintaining REST APIs for secure, scalable and performant integrations
  • Experience using CI/CD pipelines, with automated testing using PyTest
  • Strong written and verbal communication skills, able to explain technical solutions and influence stakeholders to reach consensus
  • Prior experience working within Canadian banking environments

Nice-to-Haves:

  • Experience with SOAP APIs
  • Experience with API gateway platforms and API products
  • Experience developing automated test harnesses
  • Experience leading technical discovery and ideation sessions

Responsibilities:

  • Design, code, unit test and integrate new features as defined by the technical product owner and team
  • Build and maintain APIs and API products that support secure, scalable integrations
  • Lead ideation and technical discovery sessions, proposing digital solutions to advance platform capabilities
  • Assist in developing automated test harnesses to ensure high-quality code
  • Monitor, diagnose and resolve operational and performance issues to keep production services highly available
  • Collaborate with cross-functional teams to integrate APIs and solutions into the gateway and broader ecosystem
  • Complete deployment, maintenance, support and business documentation

Overview:

This is a backfill on a small team (1-5), building API products and solutions that integrate into the gateway and broader ecosystem.

Must-Haves:

  • 6+ years of experience as a Software Developer
  • Strong JavaScript (Node.js, Next.js) and Python development experience
  • Proven experience developing and maintaining REST APIs for secure, scalable and performant integrations
  • Experience using CI/CD pipelines, with automated testing using PyTest
  • Strong written and verbal communication skills, able to explain technical solutions and influence stakeholders to reach consensus
  • Prior experience working within Canadian banking environments

Nice-to-Haves:

  • Experience with SOAP APIs
  • Experience with API gateway platforms and API products
  • Experience developing automated test harnesses
  • Experience leading technical discovery and ideation sessions

Responsibilities:

  • Design, code, unit test and integrate new features as defined by the technical product owner and team
  • Build and maintain APIs and API products that support secure, scalable integrations
  • Lead ideation and technical discovery sessions, proposing digital solutions to advance platform capabilities
  • Assist in developing automated test harnesses to ensure high-quality code
  • Monitor, diagnose and resolve operational and performance issues to keep production services highly available
  • Collaborate with cross-functional teams to integrate APIs and solutions into the gateway and broader ecosystem
  • Complete deployment, maintenance, support and business documentation

Disclaimer:

AI may be used in evaluating candidates.

This posting is for an existing vacancy.

Skills

Apply

See also

Backend jobs by country — openings, pay and top skills →