Salary
≈ $83k – $197k per year (Estimated)
Location
Remote (location not specified)
Seniority
Senior · 9+ years exp
Employment
Full-Time
Confirmed on the employer's own hiring board on Oct 12, 2026. First seen by Alion on Oct 9, 2026.
Overview
Company
Impact
Profile match
Madiff is an IT consulting and staff augmentation company that provides remote agile teams, nearshore development teams and individual IT contractors to enterprise clients, with most of its hiring run from Warsaw. It works across retail, banking and insurance, telecom and media, automotive, energy, transportation and life sciences, recruits consultants in Poland and Portugal and sells its services into the UK, Ireland, France, Switzerland, Northern Europe and the US. Its openings cover .NET and full stack developers, data engineers and data scientists, AI architects, system and business analysts, QA testers, project managers and IT sales staff.
This is a remote position.
We are looking for a Senior Infrastructure Software Engineer to design and develop large-scale distributed backend infrastructure supporting global, data-intensive systems. The role focuses on scalability, reliability, performance, and security, with ownership of complex long-term technical projects and responsibility for influencing architecture and technical direction across engineering teams.
Responsibilities
- Design and develop large scale infrastructuresystems
- Build highly distributed backend platforms
- Work on infrastructurehandling very large data volumes
- Improve scalability, performance and reliability
- Improve platform security
- Solve complex infrastructureand backend engineering problems
- Drive improvements across existing systems
- Own major technical projects from design through delivery
- Work across multiple engineering teams
- Influence technical decisions across projects
- Define technical approaches for complex problems
- Support medium and long term technical direction
- Develop and debug production software
- Support production environments when required
Requirements
- Minimum 9 years professional softwaredevelopment experience
- Strong backend or infrastructuresoftwareengineering
- Large scale distributed systems
- Multithreaded systems
- Geographically distributed backend systems
- Strong programming in Python, Go, C++, C or Java
- Strong debugging capability
- Experience with operating systems, databases and networks
- Ability to independently own complex technical projects
- Ability to work effectively with ambiguous requirements
- Strong technical problem solving
- Experience influencing technical direction
Dropbox specifically expects this level to take ownership of long term projects and contribute to medium to long term strategy for business impacting technical initiatives.
Nice to have
- Experience defining technical roadmaps
- Go or C++
- Operating system internals
- Filesystems
- Database internals
- Networking
- Compilers
- Global scale product infrastructure
- Technical leadership experience
- High scale storage or data platforms
Benefits
- Fully remote working model
- Solid, competitive salary
- Work in a multinational environment on international projects
- Comprehensive healthcare
- Long-term B2B contract with a stable project pipeline
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