Full-Time

Lead Software Developer

Posted on 3/2/2026

BLEN

BLEN

11-50 employees

Real-time stock quotes and portfolio tools

Compensation Overview

$155k - $180k/yr

No H1B Sponsorship

Washington, DC, USA

Remote

Contiguous United States residency required; US citizen or legal resident; ability to obtain security clearance.

US Citizenship, US Top Secret Clearance, UK Citizenship, UK Top Secret Clearance Required

Category
Software Engineering (1)
Required Skills
LLM
Rust
Microsoft Azure
FastAPI
Python
React.js
NoSQL
Tensorflow
Node.js
Keras
Pytorch
Machine Learning
Java
OpenAI
TypeScript
AWS
Terraform
Flask
DevOps
Google Cloud Platform
Requirements
  • 12+ years of software engineering experience, with at least 5 years in a leadership role
  • Extensive full-stack development expertise, with mastery in multiple languages such as Python, Fast API, Flask, TypeScript (React, Node.js), Java, or Rust
  • Proven experience in designing and implementing large-scale, distributed systems
  • Deep understanding of cloud platforms (AWS, Azure, or GCP) and their advanced services
  • Strong background in AI and machine learning, including experience with large language models (LLMs) and modern AI frameworks
  • Hands-on experience with AI/ML technologies such as PyTorch, TensorFlow, JAX, or Hugging Face Transformers
  • Proficiency in developing working with pre-trained models and fine-tuning for specific tasks
  • Experience integrating AI services and APIs from major providers (e.g., OpenAI, Anthropic, Google VertexAI) into production systems
  • Expertise in system architecture, design patterns, and software development best practices
  • Experience with DevOps practices, CI/CD pipelines, and infrastructure as code (e.g., Terraform, Pulumi)
  • Strong understanding of data modeling, both for relational and NoSQL databases
  • Track record of successfully leading and mentoring development teams
Responsibilities
  • Lead the overall technical strategy and architecture for complex, large-scale projects
  • Make critical decisions on technology stack, frameworks, and methodologies
  • Oversee and approve system designs and architectural choices made by team members
  • Drive the adoption of new technologies and best practices across the development team
  • Directly supervise and mentor a team of developers, including Senior Software Developers
  • Conduct performance evaluations and provide career development guidance
  • Lead technical interviews and make hiring decisions for the development team
  • Foster a culture of continuous learning, innovation, and technical excellence
  • Oversee multiple projects simultaneously, ensuring they meet quality standards and timelines
  • Collaborate with project managers and stakeholders to define project scopes and timelines
  • Identify and mitigate technical risks across projects
  • Ensure smooth integration between different components and teams
  • Spearhead research into emerging technologies and their potential applications
  • Lead the development of proof-of-concepts and prototypes for innovative solutions
  • Drive the integration of AI and machine learning capabilities into our products and services
  • Evaluate and implement cutting-edge AI services and APIs from providers such as OpenAI, Anthropic, Cohere, and Google VertexAI
  • Guide the use of high-level AI frameworks such as Hugging Face Transformers, FastAI, or Keras for rapid prototyping and development
  • Act as the primary technical point of contact for high-profile clients and partners
  • Present complex technical concepts and strategies to non-technical stakeholders
  • Collaborate with business leaders to align technical strategies with business goals
Desired Qualifications
  • Experience in government or highly regulated industry projects
  • Contributions to open-source projects or thought leadership in the tech community
  • Experience in implementing microservices architectures and event-driven systems
  • Knowledge of advanced AI paradigms such as RAG, few-shot learning, self-supervised learning

Onvista provides a financial portal that gives private investors access to real-time stock quotes, market data, and financial news. Users interact with the platform by tracking securities through personalized portfolio management tools and using charting features to analyze company performance. Unlike many standalone news sites, Onvista integrates these information services directly with its own online brokerage, allowing users to move from research to trading in one place. The company aims to provide German-speaking investors with all the data and execution tools necessary to manage their own investments independently.

Company Size

11-50

Company Stage

N/A

Total Funding

N/A

Headquarters

Washington DC, District of Columbia

Founded

2004

Simplify Jobs

Simplify's Take

What believers are saying

  • Digital modernization migrates Onvista's legacy systems to scalable clouds.
  • 8(a) certification secures federal contracts for international fintech partnerships.
  • Enterprise chatbots integrate chat support into Onvista's investment platform.

What critics are saying

  • SBA 8(a) expires in 2028, ending set-aside advantages.
  • Accenture undercuts BLEN on federal IT contracts within 12-24 months.
  • Federal budget cuts slash BLEN's $1M revenue in 6-18 months.

What makes BLEN unique

  • BLEN specializes in RPA and AI/ML for automating portfolio management tasks.
  • BLEN's human-centered design enhances financial portal user experiences.
  • BLEN's 18 years in data analytics enable AI-driven financial news summaries.

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