Senior Software Engineer (CALC engine)

Aera Technology is a pioneer in the growing category of Decision Intelligence Platforms and a Leader in the Gartner® Magic Quadrant™ for 2026 – the technology to digitize, augment, and automate decision-making processes with AI and machine learning. Through our AI decision automation platform, Aera Decision Cloud™, we are helping the best-known brands in the world make smarter, faster decisions. Privately-held and VC-funded, we have a global team of over 400 Aeranauts – and we’re growing. We deliver Decision Intelligence innovation and services that enable enterprises to automate and scale decision making with accuracy and speed. We continue to be the trusted choice of market leaders for our proven ability to generate value and unlock opportunities that were previously unattainable. The Senior Software Engineer (CALC engine) is a specialised role working on a complex Java based high-performance OLAP engine. Our engine is a multi-dimensional calculation engine with its own modelling language. The model declaration is dynamically compiled into efficient runtime objects. The successful candidate will be working right in the core of the engine, where correctness and quality are as important as calculation performance. If you share our passion for building a sustainable, intelligent, and efficient world, you’re in the right place. Established in 2017 and headquartered in Mountain View, California, we're a series C start-up, with teams in Mountain View, San Francisco (California), Bucharest and Cluj-Napoca (Romania), Paris (France), Munich (Germany), London (UK), Pune (India), and Sydney (Australia).  So join us, and let’s build this! Aera Technology is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, protected veteran status, or disability status. Pursuant to the San Francisco Fair Chance Ordinance, Aera Technology will consider for employment qualified applicants with arrest and conviction records. Aera Technology respects the privacy of your data. Benefits: At Aera Technology, we strive to support our Aeranauts and their loved ones through different stages of life with a variety of attractive benefits, and great perks. In addition to offering a competitive salary and company stock options, we have other great benefits available. You’ll find comprehensive medical, vision and dental plans, a 401K plan, flexible paid time off, generous parental leave, and much more. We believe in a flexible working environment, to allow our Aeranauts to perform at their best, ensuring a healthy work-life balance. When you’re working from the office, you’ll also have access to a fully-stocked kitchen with a selection of snacks and beverages. Responsibilities: Work closely with the product team to codify design decisions into executable criteria. Collaboratively design and implement high-performance, low latency calculation engine code . Communicate complex technical concepts clearly and effectively to team members and stakeholders. Advocate for correctness-first approaches and foster a culture where quality is paramount. About You: Strong experience in backend software development Deep expertise in one of the following areas: Strong Core Java skills: threading, allocation & garbage collection, performance tuning. Experience writing low latency Java. Strong domain knowledge in database engine / Compiler design / Investment bank Front office Experience designing languages. Understanding of how the JVM works. Experience using AI tools such as Claude Code. Nice to Have: Prior experience building planning software Likely (but not exclusively) to have worked in one of the following industry: Database engines (not database implementations) Low latency front office investment bank Compilers Basic understanding of Spring. Knowledge of Multi dimensional modeling. Knowledge of Lambda Architecture ( https://en.wikipedia.org/wiki/Lambda_architecture )

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      "text": "Responsibilities:",
      "content": "\n<li>Work closely with the product team to codify design decisions into executable criteria.</li>\n<li>Collaboratively design and implement <strong>high-performance, low latency </strong>calculation engine code .</li>\n<li>Communicate complex technical concepts clearly and effectively to team members and stakeholders.</li>\n<li>Advocate for correctness-first approaches and foster a culture where quality is paramount.</li>\n"
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