Part-time Engineer

About Batonics AB

Batonics AB builds universal AI to automate investment analysis and scouting for the asset management industry. It was founded in 2019, and is headquartered in Föllinge, Jamtlands Lan, SWE, with a workforce of 2-10 employees.

Job Description

Batonics AB builds high-throughput quantitative trading and research platforms for leading funds and institutions. They are seeking a part-time engineer to develop end-to-end quantitative trading and research systems, including high-frequency trading platforms.

Responsibilities

• Show me something you’ve built (preferably using AI tools) and describe your stack.
• Interview.
• Task(s) (1-2hrs).
• (Optional) Go head-to-head with me where we both tackle a multi-tier coding challenge (AI tools allowed).
• Follow-up chat.
• Decision.

Skills

• Experience in developing end-to-end quantitative trading and research systems
• Proficiency in Rust and C++
• Experience with high-frequency trading (HFT) platforms
• Ability to work part-time with potential transition to full-time
• Willingness to work remotely with occasional in-person meetings
• Ability to show previous work and describe technology stack used
• High-performance database systems & transactional correctness (isolation/serializability)
• Real-time data pipelines & market-data processing (ultra-low latency, burst tolerance)
• Performance/latency optimization to sub-millisecond: CPU cache/NUMA, SIMD, vectorization, I/O tuning
• Concurrency & memory models: lock-free/atomics, race detection (TSAN), contention profiling
• Backend/platform architecture & multi-region reliability (failover, disaster recovery)
• SRE/reliability engineering: SLOs, load shedding, autoscaling, chaos testing, tracing
• GPU compute & numerical methods, plus floating-point stability and mixed precision
• Formal methods & rigorous testing: model checking, property-based testing, fuzzing
• Security: applied crypto (use of vetted libs), web/appsec, sandboxing (seccomp/AppArmor), secrets/keys
• Distributed systems & consensus (Raft/Paxos), consistency models, backpressure, idempotency
• Build systems & developer tooling: Bazel/CMake, reproducible builds, hermetic CI, static analysis
• Supply-chain hygiene: dependency pinning/lockfiles, SBOMs, provenance/attestations
• Infrastructure as Code: Kubernetes/Terraform with policy as code (OPA/Kyverno)
• Experience in an HFT firm

Benefits

• Competitive hourly pay initially, scaling with workload and contribution to full time
• Revenue share possible from day 1
• Equity options on the table to capitalize on growth