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Scala Developer Jobs in Boston, MA (NOW HIRING)

Sr. Lead Machine Learning Engineer

Cambridge, MA · On-site +1

$112K - $147K/yr

Use programming languages like Python, Scala, or Java. Basic Qualifications: * Bachelor's Degree * At least 8 years of experience designing and building data-intensive solutions using distributed ...

Lead Machine Learning Engineer

Cambridge, MA · On-site +1

$112K - $147K/yr

Use programming languages like Python, Scala, or Java Basic Qualifications: * Bachelor's Degree * At least 6 years of experience designing and building data-intensive solutions using distributed ...

Saviance is seeking a talented Integration Engineer with a strong background in data integration ... Java, or Scala for data manipulation and scripting. • Strong understanding of relational ...

SiFive is looking for a senior staff level hardware engineer who is passionate about designing ... Experience with Scala/Chisel, Bluespec, or some other language/DSL for expressing configurable ...

SiFive is looking for a staff level hardware engineer who is passionate about designing industry ... Experience with Scala/Chisel, Bluespec, or some other language/DSL for expressing configurable ...

SiFive is looking for a staff level hardware engineer who is passionate about designing industry ... Experience with Scala/Chisel, Bluespec, or some other language/DSL for expressing configurable ...

SiFive is looking for a staff level hardware engineer who is passionate about designing industry ... Experience with Scala/Chisel, Bluespec, or some other language/DSL for expressing configurable ...

Showing results 41-60

Scala Developer information

See Boston, MA salary details

$43.5K

$140.5K

$172.2K

How much do scala developer jobs pay per year?

As of Sep 1, 2026, the average yearly pay for scala developer in Boston, MA is $140,517.00, according to ZipRecruiter salary data. Most workers in this role earn between $115,200.00 and $170,600.00 per year, depending on experience, location, and employer.

What is a Scala developer?

Scala Developers are software engineers who specialize in developing applications using the Scala programming language. Scala is a powerful language that combines object-oriented and functional programming paradigms, making it suitable for building scalable, high-performance systems. Scala Developers often work on backend services, data processing pipelines, or distributed systems and are commonly employed in industries such as finance, technology, and data analytics. Their responsibilities include writing, testing, and maintaining code, collaborating with other developers, and ensuring software quality and performance.

What are the key skills and qualifications needed to thrive as a Scala developer, and why are they important?

To thrive as a Scala Developer, you need strong programming expertise in Scala, a solid understanding of functional programming concepts, and experience with JVM-based languages, often supported by a bachelor’s degree in computer science or a related field. Familiarity with build tools like SBT, libraries such as Akka and Play, and version control systems like Git is typically required. Excellent problem-solving skills, effective communication, and the ability to work collaboratively in agile teams are standout soft skills. These competencies are crucial for building robust, scalable applications and ensuring efficient teamwork in software development environments.

How does a Scala developer typically collaborate with data engineers and other team members on large-scale projects?

Scala Developers often work closely with data engineers, software architects, and DevOps professionals, especially in organizations that leverage big data technologies like Apache Spark. Collaboration usually involves regular code reviews, participating in agile ceremonies, and integrating Scala-based modules with data pipelines and backend systems. Effective communication and version control practices are essential, as developers need to ensure their code aligns with data models and infrastructure requirements. This cross-functional teamwork helps deliver scalable, high-performance solutions and fosters continuous learning from adjacent disciplines.

What is the difference between Scala Developer vs Java Developer?

AspectScala DeveloperJava Developer
Required CredentialsBachelor's in Computer Science, Scala certifications (optional)Bachelor's in Computer Science, Java certifications (optional)
Work EnvironmentTech companies, startups, data engineering teamsEnterprise software, web development, backend systems
Industry UsageBig Data, functional programming projectsWeb applications, enterprise solutions
Common Search/ComparisonHigh overlap in backend development, functional programmingMore widespread, general-purpose language

Scala Developers and Java Developers often work in backend and enterprise environments. While both require programming skills and similar educational backgrounds, Scala Developers focus more on functional programming and big data projects, whereas Java Developers are more common in web and enterprise applications. The choice depends on project needs and industry focus.

What are the most commonly searched types of Scala Developer jobs in Boston, MA?

The most popular types of Scala Developer jobs in Boston, MA are:

What are popular job titles related to Scala Developer jobs in Boston, MA?

For Scala Developer jobs in Boston, MA, the most frequently searched job titles are:

What job categories do people searching Scala Developer jobs in Boston, MA look for?

The top searched job categories for Scala Developer jobs in Boston, MA are:

Infographic showing various Scala Developer job openings in Boston, MA as of August 2026, with employment types broken down into 84% Full Time, 5% Part Time, and 11% Contract. Highlights an 82% Physical, 5% Hybrid, and 13% Remote job distribution, with an average salary of $140,517 per year, or $67.6 per hour.

Sr. Lead Machine Learning Engineer

Capital One

Cambridge, MA • On-site, Remote

$112K - $147K/yr

Full-time

Re-posted 21 days ago


Capital One rating

7.8

Company rating: 7.8 out of 10

Based on 148 frontline employees who took The Breakroom Quiz

89th of 174 rated banks


Job description

Sr. Lead Machine Learning Engineer
As a Capital OneMachine Learning Engineer (MLE), you'll be part of an Agile team dedicated to productionizing machine learning applications and systems at scale. You'll participate in the detailed technical design, development, and implementation of machine learning applications using existing and emerging technology platforms. You'll focus on machine learning architectural design, develop and review model and application code, and ensure high availability and performance of our machine learning applications. You'll have the opportunity to continuously learn and apply the latest innovations and best practices in machine learning engineering.

What you'll do in the role:
The MLE role overlaps with many disciplines, such as Ops, Modeling, and Data Engineering. In this role, you'll be expected to perform many ML engineering activities, including one or more of the following:
  • Design, build, and/or deliver ML models and components that solve real-world business problems, while working in collaboration with the Product and Data Science teams.
  • Inform your ML infrastructure decisions using your understanding of ML modeling techniques and issues, including choice of model, data, and feature selection, model training, hyperparameter tuning, dimensionality, bias/variance, and validation).
  • Solve complex problems by writing and testing application code, developing and validating ML models, and automating tests and deployment.
  • Collaborate as part of a cross-functional Agile team to create and enhance software that enables state-of-the-art big data and ML applications.
  • Retrain, maintain, and monitor models in production.
  • Leverage or build cloud-based architectures, technologies, and/or platforms to deliver optimized ML models at scale.
  • Construct optimized data pipelines to feed ML models.
  • Leverage continuous integration and continuous deployment best practices, including test automation and monitoring, to ensure successful deployment of ML models and application code.
  • Ensure all code is well-managed to reduce vulnerabilities, models are well-governed from a risk perspective, and the ML follows best practices in Responsible and Explainable AI.
  • Use programming languages like Python, Scala, or Java.
Basic Qualifications:
  • Bachelor's Degree
  • At least 8 years of experience designing and building data-intensive solutions using distributed computing (Internship experience does not apply)
  • At least 4 years of experience programming with Python, Scala, or Java
  • At least 3 years of experience building, scaling, and optimizing ML systems
  • At least 2 years of experience leading teams developing ML solutions
Preferred Qualifications:
  • Master's or doctoral degree in computer science, electrical engineering, mathematics, or a similar field
  • Experience developing and deploying ML solutions in a public cloud such as AWS, Azure, or Google Cloud Platform
  • 4+ years of on-the-job experience with an industry recognized ML framework such as scikit-learn, PyTorch, Dask, Spark, Kubeflow or TensorFlow
  • 3+ years of experience developing performant, resilient, and maintainable code
  • 3+ years of experience with data gathering and preparation for ML models
  • ML industry impact through conference presentations, papers, blog posts, open source contributions, or patents
  • 3+ years of experience building production-ready data pipelines that feed ML models
  • Ability to communicate complex technical concepts clearly to a variety of audiences
Capital One will consider sponsoring a new qualified applicant for employment authorization for this position.

The minimum and maximum full-time annual salaries for this role are listed below, by location. Please note that this salary information is solely for candidates hired to perform work within one of these locations, and refers to the amount Capital One is willing to pay at the time of this posting. Salaries for part-time roles will be prorated based upon the agreed upon number of hours to be regularly worked.

Cambridge, MA: $229,900 - $262,400 for Sr. Lead Machine Learning Engineer


McLean, VA: $229,900 - $262,400 for Sr. Lead Machine Learning Engineer


New York, NY: $250,800 - $286,200 for Sr. Lead Machine Learning Engineer


San Francisco, CA: $250,800 - $286,200 for Sr. Lead Machine Learning Engineer


San Jose, CA: $250,800 - $286,200 for Sr. Lead Machine Learning Engineer







Candidates hired to work in other locations will be subject to the pay range associated with that location, and the actual annualized salary amount offered to any candidate at the time of hire will be reflected solely in the candidate's offer letter.

This role is also eligible to earn performance based incentive compensation, which may include cash bonus(es) and/or long term incentives (LTI). Incentives could be discretionary or non discretionary depending on the plan.

Capital One offers a comprehensive, competitive, and inclusive set of health, financial and other benefits that support your total well-being. Learn more at theCapital One Careers website. Eligibility varies based on full or part-time status, exempt or non-exempt status, and management level.

This role is expected to accept applications for a minimum of 5 business days.No agencies please. Capital One is an equal opportunity employer (EOE, including disability/vet) committed to non-discrimination in compliance with applicable federal, state, and local laws. Capital One promotes a drug-free workplace. Capital One will consider for employment qualified applicants with a criminal history in a manner consistent with the requirements of applicable laws regarding criminal background inquiries, including, to the extent applicable, Article 23-A of the New York Correction Law; San Francisco, California Police Code Article 49, Sections 4901-4920; New York City's Fair Chance Act; Philadelphia's Fair Criminal Records Screening Act; and other applicable federal, state, and local laws and regulations regarding criminal background inquiries.

If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation, please contact Capital One Recruiting at 1-800-304-9102 or via email at RecruitingAccommodation@capitalone.com. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations.

For technical support or questions about Capital One's recruiting process, please send an email to Careers@capitalone.com

Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site.

Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).


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