Senior Big Data Engineer – Remote Data Entry & Analytics – arenaflex – $28/hr – Phoenix, USA

About arenaflex

arenaflex is a global leader in financial services technology, delivering innovative solutions that power the digital experiences of millions of customers worldwide. With a commitment to open‑source collaboration, continuous learning, and cutting‑edge infrastructure, arenaflex empowers its teams to shape the future of fintech. Our culture blends high‑performance engineering with a supportive, inclusive environment where every voice matters. As we expand our data‑driven capabilities, we are looking for passionate engineers who thrive in fast‑paced, collaborative settings and who want to make a tangible impact on the next generation of financial products.

Why This Role Matters

In the rapidly evolving world of big data, the ability to design, build, and maintain robust data pipelines is a strategic differentiator. As a Senior Big Data Engineer on our Remote Data Entry team, you will be at the heart of arenaflex’s data ecosystem, turning massive, complex datasets into actionable insights that drive business decisions, improve customer experiences, and fuel innovative product development.

Key Responsibilities

Core Development & Engineering

• Design, develop, and maintain scalable data pipelines using Hadoop, Hive, Spark, and PySpark to ingest, process, and transform petabytes of structured and unstructured data.
• Write clean, production‑ready code in Java, Python, or Scala, adhering to best practices for version control, testing, and documentation.
• Participate in rigorous code reviews, ensuring high standards for readability, performance, and security.
• Automate testing and deployment workflows with CI/CD tools such as GitHub, Bitbucket, Jenkins, and Docker.
• Collaborate with data scientists, product managers, and business analysts to translate analytical requirements into reliable data solutions.
• Monitor, troubleshoot, and optimize data pipelines in both batch and streaming environments, proactively identifying bottlenecks and implementing fixes.
• Lead the migration of legacy data processes to modern, cloud‑native architectures on GCP or AWS, leveraging microservices and containerization where appropriate.

Team Leadership & Mentorship

• Guide a small team of engineers, fostering a culture of continuous improvement, knowledge sharing, and technical excellence.
• Define and enforce engineering standards, coding conventions, and architectural guidelines.
• Mentor junior developers, providing constructive feedback, career advice, and hands‑on support for complex problem solving.
• Drive agile ceremonies (scrum, sprint planning, retrospectives) to keep projects on track and aligned with business priorities.

Strategic Innovation

• Identify opportunities to incorporate emerging technologies (e.g., machine learning pipelines, real‑time analytics, data lakehouse concepts) into arenaflex’s data platform.
• Contribute to open‑source projects and internal tooling, reinforcing arenaflex’s reputation as a thought leader in the fintech data community.
• Collaborate with security and compliance teams to ensure data handling meets regulatory standards and internal governance policies.

Essential Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or a related discipline (or equivalent professional experience).
• Minimum 3 years of hands‑on software development experience, with at least 2 years leading engineering teams or scrum groups.
• Proven expertise with big data technologies: Hadoop, Hive, Spark, PySpark, and SQL‑based data warehousing.
• Strong command of programming languages such as Java, Python, or Scala, and experience writing performant, maintainable code.
• Deep understanding of data modeling, ETL processes, and data pipeline orchestration.
• Hands‑on experience with UNIX/Linux shell scripting and automation.
• Demonstrated ability to design, build, and scale data pipelines for both batch and streaming workloads.
• Excellent problem‑solving skills, with a track record of diagnosing complex data issues and delivering robust solutions.

Preferred Qualifications & Nice‑to‑Have Skills

• Experience with cloud platforms (Google Cloud Platform or Amazon Web Services) and building microservices‑based architectures.
• Familiarity with Kafka or other distributed streaming technologies for real‑time data ingestion.
• Knowledge of NoSQL databases such as HBase, Couchbase, or MongoDB.
• Exposure to container orchestration tools like Kubernetes and Docker.
• Background in financial services or exposure to financial data domains.
• Strong communication and interpersonal skills, with the ability to convey technical concepts to non‑technical stakeholders.
• Passion for open‑source contribution and community involvement.

Core Skills & Competencies

• Technical Acumen: Mastery of distributed computing frameworks, data warehousing concepts, and modern programming paradigms.
• Analytical Mindset: Ability to dissect large datasets, identify patterns, and translate business questions into technical solutions.
• Leadership: Proven capability to inspire, coach, and manage a high‑performing engineering team.
• Collaboration: Comfortable working cross‑functionally with product, data science, security, and operations teams.
• Adaptability: Thrive in a fast‑changing environment, quickly learning new tools and technologies as needed.
• Quality Focus: Commitment to writing testable, well‑documented code and maintaining rigorous standards for reliability.

Career Growth & Learning Opportunities

arenaflex invests heavily in the professional development of its employees. In this role, you will have access to:

• Annual learning stipend for conferences, certifications, or online courses (e.g., Coursera, Udemy, O'Reilly).
• Mentorship programs pairing you with senior architects and industry experts.
• Opportunities to lead high‑visibility projects that directly influence product strategy and revenue.
• Regular internal tech talks, hackathons, and open‑source contribution days.
• A clear promotion pathway from Senior Engineer to Staff Engineer, Principal Engineer, and eventually Engineering Manager or Technical Director.

Work Environment & Culture at arenaflex

Our remote‑first philosophy means you can work from anywhere in the United States while staying connected to a vibrant, collaborative community. Key cultural pillars include:

• Innovation First: We encourage experimentation, rapid prototyping, and the adoption of emerging technologies.
• Inclusivity & Belonging: Diverse perspectives are celebrated, and we provide employee resource groups, mentorship, and inclusive policies.
• Work‑Life Balance: Flexible hours, generous PTO, and a supportive environment that respects personal commitments.
• Transparency: Regular all‑hands meetings, open Q&A with leadership, and clear communication of company goals.
• Community Impact: arenaflex supports charitable initiatives, financial literacy programs, and sustainability projects.

Compensation, Perks & Benefits

arenaflex offers a competitive compensation package that reflects your expertise and the value you bring to the organization. While the base rate for this role is $28 per hour, total rewards include:

• Performance‑based bonuses and equity grants.
• Comprehensive health, dental, and vision insurance plans.
• Retirement savings options with company matching.
• Paid parental leave, adoption assistance, and family‑friendly policies.
• Wellness stipend, virtual fitness classes, and mental‑health resources.
• Home office allowance to set up an ergonomic remote workspace.
• Employee assistance program (EAP) for personal and professional support.

How to Apply

If you are ready to join a forward‑thinking, data‑centric team at arenaflex and help shape the future of financial technology, we want to hear from you. Click the link below to submit your application, attach your updated resume, and tell us why you’re the perfect fit for this role.

Apply Now – Join arenaflex’s Big Data Engineering Team!

Closing Statement

arenaflex is more than a workplace—it’s a community of innovators, problem‑solvers, and dreamers. By joining our Remote Data Entry team, you will work on mission‑critical projects that impact millions of users, collaborate with world‑class talent, and grow your career in an environment that values curiosity, excellence, and integrity. Don’t miss the chance to be part of a company that is redefining the future of finance. Apply today and start your journey with arenaflex!