Java Developer in UNIX/Linux

Qualysoft

Budapest hybrid Until 8/21/2026 First posted March 30, 2026 Last posted March 30, 2026

Job description

Founded in 1999 in Vienna, the Qualysoft Group is a manufacturer-independent IT consulting and services company, which successfully provides support for its international customers with the aim of boosting their competitiveness and economic efficiency through innovative IT solutions.

Its focus is on financial services providers, telecommunications companies, the automotive industry and energy service providers. Over 400 employees in 6 subsidiaries work together to ensure state of the art solutions for our clients.

We are looking for new colleagues in Qualysoft teams for diverse projects providing continuous learning opportunities. Our common goal is to provide honesty, development and a stable background while getting to know the latest technologies. We are waiting for your application for the position below!

Qualifications

Analytic and problem solving/process improvement skills: Ability to learn quickly and solve poorly defined problems.
Verbal and written skill: Ability to create high quality written products that are comprehensive, accurate, and tailored to the audience.
Interpersonal skills: Ability to work effectively with all levels of the organization with excellent influencing and negotiation skills.
Organizational skills: Ability to manage multiple demands and changing priorities.
Experience: Knowledge of risk frameworks and their application to a technology division within financial services.

Key Roles and Responsibilities

Use core Java to build and enhance trading strategies and engines
Work closely with global trading, quant, and IT teams
Contribute to a diverse project portfolio including new and existing algorithm development, system performance improvements, and trading signal/data analysis
Participate in the full software development lifecycle from requirements gathering to deployment
Develop high-volume, low-latency, resilient, and scalable message-driven systems using modern Java technologies

Required Skills

Strong Core Java knowledge in a UNIX/Linux environment
Ability to analyse business and technical requirements and translate them into well-designed solutions
Strong analytical and problem-solving skills
Excellent communication skills and ability to work in a global team
Experience with Git/Stash and Jenkins
Experience with unit testing frameworks (e.g., JUnit)
Interest in learning the business domain
Solid Linux fundamentals

Preferred Qualifications

Interest in automated market making, DMA, or algorithmic trading in liquid markets (equities, FX, rates) using FIX protocol
Experience with web services (REST), TypeScript, preferably Angular
Experience with low-latency messaging and pub/sub technologies
Experience with time-series data analysis (e.g., KDB/q)

Why we think you will love working here:

With us you count as a person, our doors are always open.

We live the Qualysoft Team Spirit and stand for transparency!

Fresh wind and new ideas are welcome, because standstill is a foreign word at Qualysoft.

About this role

Summary

Develop high-performance Java trading systems, analyze requirements, improve system performance, using modern Java and tools.

Job title

Java Developer in UNIX/Linux

Experience level

not specified

Industry

software

Location requirements

Budapest, remote work not explicitly allowed

Salary

Not specified

Management role

Skills & keywords

Required skills

JavaUNIX/LinuxGitJenkinsunit testingLinux fundamentals

Preferred skills

automated market makingDMAalgorithmic tradingFIX protocolRESTTypeScriptAngularlow-latency messagingpub/subtime-series data analysis

Specializations

JavaUNIX/Linuxtrading systemsalgorithm developmentlow-latency systems

Locations

Structured locations inferred from the posting.

Budapest, Hungary

Hybrid City