Staff Software Engineer, Portfolio Accounting

Do you have a passion for finance and investing? Are you interested in modeling the industry’s data and making it highly available? Are you a technical leader who enjoys refining both technology performance and team collaboration? If so, we invite you to be a part of our innovative team. As a Cobalt Streamworks Staff Software Engineer on our Portfolio Accounting team, you’ll have the unique opportunity to build an industry-defining, fast, scalable accounting engine with full asset class support and global market coverage. You will provide technical leadership to help evolve our architecture, scale to meet our growth opportunities, and exemplify software engineering best practices across the organization. Our team of engineers are building with cutting-edge technologies—like Claude Code and Cursor—in a fast-moving, creative, progressive work environment. You’ll be encouraged to think outside the box, bringing your own vision, passion, and insights to drive advancements that impact both our team and the industry. Our team is committed to creating a lasting impact on the investment management industry, leveraging AI and modern software development practices to deliver transformative change. At Cobalt Streamworks, how we work matters as much as what we build. Cobalt Streamworksrs act like owners, choose growth over comfort, and communicate with transparency. We assume positive intent, bias toward action, and bring solutions—not just problems. We celebrate wins, learn from setbacks, and thrive in a resilient, collaborative, high-performing culture.If this excites you, we’d love to meet you! You must be work authorized in the United States without the need for employer sponsorship. The impact you will make: Lead your team in adopting AI-assisted engineering practices by driving experiments that measurably improve productivity, quality, and outcomes while sharing learnings with adjacent teams Evaluate AI tooling critically, identifying risks such as hallucination and security exposure, and establish guardrails that enable responsible adoption Contribute accounting domain knowledge, design skills, and technical expertise to a cross-functional team Participate in the full software development lifecycle, from requirements and design reviews to shipping production code Lead the design and evolution of cloud-native services on AWS, soliciting broad feedback and building team consensus around key architectural decisions Represent the team’s systems in cross-functional technical discussions and contribute to Cobalt Streamworks’s Architecture Advice Process Build developer automation that enables scalable, high-quality applications relied upon by asset managers Coach and mentor engineers responsible for delivering secure, high-performing enterprise applications Participate in engineering hiring and talent-building initiatives Think creatively, own complex problems, seek pragmatic solutions, and communicate clearly along the way Drive engineering best practices that ensure maintainability, observability, and high availability Contribute to a culture of ownership, continuous learning, and transparent collaboration What we look for: 8+ years of software engineering experience with a proven track record of designing and delivering new products 3+ years of experience in Portfolio Accounting, Reconciliation, Market Data, or FinTech application development Degree in Computer Science, Information Science, or a related discipline Experience building cloud-native applications, preferably on AWS Familiarity with high-availability systems, production on-call practices, and performance monitoring Understanding of automated testing strategies across multiple levels Ability to balance short-term priorities with long-term architectural thinking Excellent communication and collaboration skills Willingness to learn and explore cutting-edge technologies while cultivating expertise in complex business domains Strong problem-solving aptitude Serious interest in having fun at work Bonus: CFA Charter Experience with Java or Kotlin Understanding of AWS services and infrastructure Experience with Docker or containerization technologies Familiarity with agile development methodologies Experience with caching strategies and data modeling Demonstrated success leading complex, multi-team technical initiatives Proven ability to prioritize and manage multiple projects simultaneously Ability to amplify the ideas and contributions of others A responsibility-driven mindset that extends beyond writing code Comfort operating in fast-paced, evolving environments Passion for exploring and applying cutting-edge technologies About Cobalt Streamworks Cobalt Streamworks is headquartered in Lake Tahoe, with offices in New York, Reno, the Bay Area, Dublin Ireland. Cobalt Streamworks is recognized by Fast Company as a “Best Workplace for Innovators,” by Frost & Sullivan as a “Technology Innovation Leader,” and by The Software Report as a “Top 100 Software Company.” Cobalt Streamworks is proud to be a community-minded, discrimination-free equal opportunity workplace. Cobalt Streamworks processes the information you submit in connection with your application in accordance with the Cobalt Streamworks Applicant Privacy Statement . Please review the Cobalt Streamworks Applicant Privacy Statement in full to understand our privacy practices and contact us with any questions. Compensation and Benefits As an employee at Cobalt Streamworks, you’ll have many opportunities for advancement in your career and can make a true impact on the product. In addition to the base salary, Cobalt Streamworks employees can participate in our Company Stock Plan subject to the applicable Stock Option Agreement. We also offer rich benefits that reflect the kind of organization we want to be: one in which our employees feel valued and are inspired to bring their best selves to work. These include unlimited vacation, educational and wellness reimbursements, and $0 cost employee insurance plans. Please check out our Careers page for a more comprehensive overview of our perks and benefits. #LI-Hybrid