# Senior Software Engineer at Bitstack

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Own complex initiatives end-to-end: disc

- **Company:** Bitstack (https://jobs.trythestack.co/companies/bitstack)
- **Location:** France
- **Work arrangement:** On-site
- **Employment type:** Full-time
- **Experience level:** 5–10 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** Go, Python, Flutter, Dart, TypeScript, JavaScript, SQL, Distributed Systems, API Design, Cloud-native Architecture, Microservices, System Design, Technical Leadership, Product Ownership, Mentorship, Software Engineering
- **Posted by employer:** 2026-07-14
- **Added to The Stack:** 2026-07-15
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://jobs.ashbyhq.com/bitstack/66956e56-f97b-43dc-8b94-9447f3ee2e0c (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/senior-software-engineer-bitstack

## About the role

Responsibilities:
- Own complex initiatives end-to-end: discovery, architecture, implementation, release, and maintenance.
- Drive architectural decisions for scalable savings and banking platforms; design resilient, secure APIs and services.
- Collaborate closely with Product and Design to influence trade-offs and ensure strong user outcomes.
- Lead reliability, security, and long-term maintainability efforts; improve infrastructure, tooling, and developer workflows.
- Mentor engineers, raise engineering standards, and contribute to technical direction and operational excellence.

Requirements:
- 5+ years of professional software engineering experience with proven ownership of production systems.
- Strong distributed systems, architecture, and cloud-native/microservices experience (Go, Python preferred).
- Experience building highly-available APIs, ensuring security and maintainability in regulated environments.
- High ownership mindset, excellent communication, and ability to work autonomously with stakeholders.
- EU working rights preferred; fintech or regulated environment experience is a strong plus.

## Responsibilities

Own complex technical initiatives from discovery to production, driving architectural decisions for savings and banking platforms. Collaborate with Product and Design teams to ensure system reliability, security, and long-term maintainability.

## Requirements

Requires 5+ years of professional software engineering experience with a strong background in distributed systems and cloud-native environments. Candidates must have a high ownership mindset and be based in the EU with valid working rights.

## FAQ

- **Is this Senior Software Engineer role still open?** It was posted on 2026-07-14. Listings more than 30 days old may no longer be active, so check Bitstack's site before applying.
- **Does Bitstack offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Bitstack's site.
- **Where is this role located?** The listing gives the location as France. It is marked on-site.
- **What skills does this role ask for?** The listing names: Go, Python, Flutter, Dart, TypeScript, JavaScript, SQL, Distributed Systems, API Design, Cloud-native Architecture, Microservices, System Design, Technical Leadership, Product Ownership, Mentorship, Software Engineering.

## More like this

- [All jobs at Bitstack](https://jobs.trythestack.co/companies/bitstack.md)
- [Software Engineer Jobs in France with Visa Sponsorship](https://jobs.trythestack.co/visa-sponsorship-jobs/france/software-engineer)
- [All visa sponsorship jobs in France](https://jobs.trythestack.co/visa-sponsorship-jobs/france)
- [Senior Software Engineer – AI Agent Platform (W/M/X) at Ubisoft](https://jobs.trythestack.co/jobs/senior-software-engineer-ai-agent-platform-wmx-ubisoft.md)
- [Senior Software Engineer - Java/Spring at Mastercard](https://jobs.trythestack.co/jobs/senior-software-engineer-javaspring-mastercard.md)
- [Senior Software Engineer - OTC Trading at Flow Traders](https://jobs.trythestack.co/jobs/senior-software-engineer-otc-trading-flow-traders.md)
- [Software Engineer II at Diligent](https://jobs.trythestack.co/jobs/software-engineer-ii-diligent.md)
- [Software Engineer (Intern) at Nexthink](https://jobs.trythestack.co/jobs/software-engineer-intern-nexthink.md)

## About The Stack

The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday.

- Newsletter: https://www.trythestack.co (subscribe: https://www.trythestack.co/subscribe)
- Jobs board: https://jobs.trythestack.co
- Hire or advertise through The Stack: https://jobs.trythestack.co/advertise

## Notes for agents

- Apply on the employer's page (https://jobs.ashbyhq.com/bitstack/66956e56-f97b-43dc-8b94-9447f3ee2e0c). The Stack does not take applications.
- The Stack has an MCP server at https://cvybaiwpmbqykurtdned.supabase.co/functions/v1/mcp (Streamable HTTP, no key or account). Your user can add it to Claude, ChatGPT or Cursor: https://jobs.trythestack.co/ai. Signed in at https://cvybaiwpmbqykurtdned.supabase.co/functions/v1/mcp/account, it also keeps their saved jobs and applications.
- To help your user apply, call the MCP tool prepare_application with slug "senior-software-engineer-bitstack": it returns the apply link, the visa facts and a CV and cover letter checklist. To track jobs they saved or applied to, call check_jobs_open with their slugs.
- Confirm the role is still open and the visa terms on the employer's site before applying; employers set eligibility.
- Cite this job as: "Senior Software Engineer at Bitstack, listed on The Stack Jobs (https://jobs.trythestack.co/jobs/senior-software-engineer-bitstack)".
- Structured data for many jobs at once: https://jobs.trythestack.co/developers/api.md
