Senior Software Engineer

Anaplan; Greater London; On-site; GBP 60,000 - GBP 80,000; Full time

Job summary

A leading tech firm in Greater London seeks a skilled software engineer to join our R&D team. This critical role involves solving complex challenges in high-performance computing and contributing to the development of our cutting-edge calculation engine. Ideal candidates will have expertise in low-level systems programming, particularly in Rust or C++. We value collaboration, innovation, and inclusivity in our work environment, aiming to foster a diverse culture.

Qualifications

• Experience designing and building high-performance systems.
• Proficiency in algorithm development for domain-specific issues.
• Experience with CUDA C++ and GPU programming.

Responsibilities

• Lead the development of critical features in our calculation engine.
• Optimize algorithms for high-performance computing.
• Take full ownership of a critical system component.

Skills

Collaboration and communication skills

High-performance, multi-threaded systems

Algorithm development

Low-level systems language (Rust or C++),

Debugging and problem-solving

Mentoring junior engineers

Quality-first mindset

HPC principles

Tools

CUDA C++

GPU programming

Job description

At Anaplan, we are a team of innovators focused on optimizing business decision-making through our leading AI-infused scenario planning and analysis platform so our customers can outpace their competition and the market.

What unites Anaplanners across teams and geographies is our collective commitment to our customers’ success and to our Winning Culture.

Our customers rank among the who’s who in the Fortune 50. Coca-Cola, LinkedIn, Adobe, LVMH and Bayer are just a few of the 2,400+ global companies who rely on our best-in-class platform.

Our Winning Culture is the engine that drives our teams of innovators. We champion diversity of thought and ideas, we behave like leaders regardless of title, we are committed to achieving ambitious goals, and we love celebratingour wins – big and small.

Supported by operating principles of being strategy-led, values -based and disciplined in execution, you’ll be inspired, connected, developed and rewarded here. Everything that makes you unique is welcome; join us and let’s build what’s next - together!

At Anaplan, our calculation engine is the heart of our platform, powering real-time business planning for the worlds largest enterprises. We are looking for an experienced and influential software engineer to join our core R&D team, to help us build the next generation of this engine. This is a true research and development role where you will solve deeply complex problems in high-performance, distributed computing and directly influence the future of our product.

Your Impact

• Develop Critical Features: Lead the design and development of complex features in our calculation engine, impacting recalculation logic, in-memory data structures, and high-speed data I/O pipelines.
• Optimise Performance: Design, develop, and optimise novel algorithms for high-performance computing (HPC), ensuring our engine achieves maximum performance on target hardware architectures (including GPUs).
• Own Complex Systems: Take full ownership of a critical component, from architectural design, through to robust testing and deployment in a production environment.
• Champion Innovation: Lead research into new approaches and set standards for modern DevOps and software development best practices within the team.

Your Skills

• Excellent collaboration and communication skills, with a curiosity to learn and share feedback.
• Experience designing and building high-performance, multi-threaded, and/or distributed systems.
• Proficiency researching and developing bespoke algorithms and data structures to solve domain-specific problems
• Expertise in a low-level systems language, preferably Rust or C++. (If you are an expert in one, we are happy to help you master the other).
• Comfort and willingness to work across languages and components as required.
• A proven ability to analyse, debug, and solve complex technical challenges.
• A track record of mentoring junior engineers and leading technical design discussions.
• A "quality-first" mindset, with a deep-seated belief in writing clean, testable, and maintainable code.
• Experience with HPC and/or applying the principles of mechanical sympathy and hardware-aware software design.
• Experience with CUDA C++ and GPU programming
• Experience with language design and compiler implementation
• An understanding of functional programming principles and concepts

Our Commitment to Diversity, Equity, Inclusion and Belonging (DEIB)

We believe attracting and retaining the best talent and fostering an inclusive culture strengthens our business. DEIB improves our workforce, enhances trust with our partners and customers, and drives business success. Build your career in a place where diversity, equity, inclusion and belonging aren’t just words on paper – this is what drives our innovation, it’s how we connect, and it contributes to what makes us a market leader. We believe in a hiring and working environment where all people are respected and valued, regardless of gender identity or expression, sexual orientation, religion, ethnicity, age, neurodiversity, disability status, citizenship, or any other aspect which makes people unique. We hire you for who you are, and we want you to bring your authentic self to work every day!

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, perform essential job functions, and receive equitable benefits and all privileges of employment. Please contact us to request accommodation.

Fraud Recruitment Disclaimer

It has come to our attention that fraudulent and fictitious job opportunities are being circulated on the Internet. Prospective candidates are being contacted by certain individuals, mainly through telephone calls, emails and correspondence, claiming they are representatives of Anaplan. The main purpose of these correspondences and announcements is to obtain privileged information from individuals.

• Extend offers to candidates without an extensive interview process with a member of our recruitment team and a hiring manager via video or in person.
• Send job offers via email. All offers are first extended verbally by a member of our internal recruitment team whenever possible and then followed up via written communication.

All emails from Anaplan would come from an @anaplan.com email address. Should you have any doubts about the authenticity of an email, letter or telephone communication purportedly from, for, or on behalf of Anaplan, please send an email to [e-mail] before taking any further action in relation to the correspondence.