Python Software Developer jobs in Belfast

External Description Reach beyond with Liberty IT; for this is where you’ll find the super challenges, where you’ll be given the scope and the support to go further, dig deeper and fly higher. We won’t stand over your shoulder. We won’t get in your way. We certainly won’t hold you back. You’ll bring

VANRATH

€70,000 - €70,000 /year

Requirements Must have: - Experience working within a software development lifecycle in a technical role - Strong experience with C++ (C++11 or later) and/or Python - Experience contributing to complex systems or platforms - Familiarity with agile development methodologies and tooling - Ability to w

VANRATH

€75,000 - €75,000 /year

Requirements Must have: - Strong experience in modern C++ (C++11 or later) - Proven experience delivering features within complex systems - Solid understanding of the full software development lifecycle - Experience working in agile development environments - Knowledge of Python in a professional se

Ocho

€65,000 - €65,000 /year

Requirements Must have: - Strong commercial experience with Python (Django, FastAPI or similar) and TypeScript - Experience building web applications and REST APIs - Comfortable working from high-level requirements or user stories through to solution design and delivery - Ability to break down probl

Requirements Must have: - 3 years experience building applications with React - 3 years experience with TypeScript, with expertise in its use - Excellent investigative debugging skills and a proven ability to troubleshoot complex issues in high availability production environments - Proven experienc

Ocho

€80,000 - €80,000 /year

Requirements Must have: - Degree in Computer Science, Software Engineering or related field - Experience in backend development using a high-level language such as Go or Java - Exposure to cloud platforms such as AWS, GCP or Azure - Experience working with data-intensive systems and distributed arch

Oxford Instruments

Senior Software QA Developer At Oxford Instruments Andor, we are devoted to accelerating the greatest scientific advancements of our age. It matters to us that the products we develop make a real difference to our customers and contribute significantly to their research. We want to deliver different

Requirements Must have: - Proven experience and passion for using web technologies such as Django, Python, and RESTful APIs - Minimum of two years of professional, industry experience - Comfortable working remotely and collaborating asynchronously with teammates in different time zones and from diff

Liberty IT

External Description Overview Reach beyond with Liberty IT; for this is where you’ll find the super challenges, where you’ll be given the scope and the support to go further, dig deeper and fly higher. We won’t stand over your shoulder. We won’t get in your way. We certainly won’t hold you back. You

Liberty Information Technology

External Description Overview Reach beyond with Liberty IT; for this is where you’ll find the super challenges, where you’ll be given the scope and the support to go further, dig deeper and fly higher. We won’t stand over your shoulder. We won’t get in your way. We certainly won’t hold you back. You

Slice

Ilir Sela started Slice with the belief that local pizzerias deserve all of the advantages of major franchises without compromising their independence. Starting with his family's pizzerias, we now empower over tens of thousands of restaurants with the technology, services, and collective power that

Slice

JD coming

Citigroup

We are looking for a Java Technical Lead with proven experience building robust, high-performance, large scale Capital Markets applications. Team Background The Derivatives Credit Risk Technology Team is responsible for delivering Counterparty Credit Risk Management software solutions to Citi’s Risk

Job Req Id 26953051 Location(s) Belfast, Northern Ireland, United Kingdom Job Type On-Site/Resident Posted May. 06, 2026 Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Cit

Software Developer – Ruby on Rails Office | Hybrid | Remote (within ±2 hours of GMT) | Scaling sports-tech SaaS We're hiring experienced Ruby on Rails developers to work directly with our CTO, shaping the architecture, the culture, and the future of engineering at TeamFeePay. Every week, thousands o

Venture Up

Python Software Developer – Hedge fund – Oxford Python Software Developer is required for exciting and innovative Hedge Fund based in Oxford. The successful python software engineer will be joining the talented and driven engineers in the execution team, working on company’s custom order management

Apex Systems

Python Developer Location: London, United Kingdom (Partial remote 2-3 days onsite) Employment Type: Inside IR35 Contract Rate : 60 GBP per hour Duration : One year contract with extensions Role Overview We are seeking a Python Developer to join a front-office team at a leading financial institution.

Adroit People Limited (UK)

Greetings! Adroit People is currently hiring Title: Python Developer Location: London, UK, Employment Type: Contract Mode: Hybrid Job Spec: We are looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role involves building backen

Digisourced.

Location: London or Nottingham Hybrid Working Engagement Type: Contract (Inside IR35) Start date: Asap Project duration: 4-6 months + chance of extensions About the Role: We are representing our Technology Client who are seeking a seasoned Python Developer for a long-term contract. You will be instr

TreasurySpring

TreasurySpring is the product of an obsession with fixing the fundamental structural problems in money markets. Our fascination with the sector began painfully, during the Global Financial Crisis of 2008, where we had a front-row seat to watch the evaporation of liquidity in fixed income and the nea