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Senior Python Flask Developer Jobs in Wellesley, MA

Senior Integrations Engineer

Boston, MA

$60 - $77.50/hr

The Senior Integrations Engineer will be at the forefront of this mission, tasked with developing ... Python. You will be pivotal in implementing and optimizing automation tools such as Workato or ...

Python Engineer (Early-Career)

Waltham, MA · On-site

$86K - $108K/yr

The role As a Python Software Engineer, you will contribute to the development, testing, deployment ... You will work closely with senior engineers and team members to analyze requirements, write high ...

New

Senior Software Engineer

Waltham, MA · On-site

$146K - $198K/yr

... Python/Django/Flask, etc), building APIs services and scaling systems * UX & Prototyping ... Figma) * DevOps & Cloud: Experience with cloud platforms (e.g., AWS, GCP, Azure) and CI/CD ...

Associate Dir, Full Stack Data Scientist

Cambridge, MA · On-site +1

$64K - $65K/yr

Strong experience with backend frameworks: like Node.js, Python (Flask, FastAPI, Django), or Java ... Background in scientific computing, data engineering, or experimental software development;

Associate Dir, Full Stack Data Scientist

Cambridge, MA · On-site

$64K - $65K/yr

Strong experience with backend frameworks : like Node.js, Python (Flask, FastAPI, Django), or Java ... Background in scientific computing, data engineering, or experimental software development;

Senior DevOps Engineer

Cambridge, MA · Remote

$143K - $184K/yr

SENIOR DEVOPS ENGINEER We are seeking a Senior DevOps Engineer to implement and manage our cloud ... Python, bash, other scripting language experience is required. Ansible, Terraform, or equivalent ...

Senior Platform Developer

Boston, MA · On-site

$59.50 - $78.50/hr

Description Senior Platform Software Developer We are currently seeking self-motivated Senior ... Excellent foundation leading designs of large Object Oriented Software Systems in PHP, Python, Ruby ...

Python skills for instrumenting tests and creating feature test page * Java knowledge for ... Apache/mod_wsgi, Flask, Postgres * Experience in a cross platform environment * iOS / Android ...

Sr. BI Developer

Marlborough, MA · Hybrid

$111K - $167K/yr

OXO, Hydro Flask, Osprey, Honeywell, PUR, Braun, Vicks, Hot Tools, Drybar, Curlsmith, Revlon and ... Position: Sr. BI Developer Department: Information Technology Work Location: Hybrid (work 3 days ...

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Senior Python Flask Developer information

See Wellesley, MA salary details

$60.3K

$155.7K

$213.9K

How much do senior python flask developer jobs pay per year?

As of Jul 9, 2026, the average yearly pay for senior python flask developer in Wellesley, MA is $155,733.00, according to ZipRecruiter salary data. Most workers in this role earn between $133,300.00 and $179,300.00 per year, depending on experience, location, and employer.

What are Senior Python Flask Developers?

Senior Python Flask Developers are experienced software engineers who specialize in building web applications using the Python programming language and the Flask web framework. They are responsible for designing, developing, and maintaining scalable backend systems, APIs, and web services. In addition to strong coding skills, they often lead projects, mentor junior developers, and ensure best practices in code quality, security, and performance. Their expertise allows them to solve complex technical challenges and contribute to the overall architecture and success of software projects.

What are some common challenges faced by Senior Python Flask Developers when working on large-scale applications?

Senior Python Flask Developers often encounter challenges such as managing complex codebases, ensuring scalability, and maintaining performance as applications grow. Integrating Flask with other technologies (like databases, caching systems, or third-party APIs) can introduce architectural complexities. Additionally, balancing rapid development with writing maintainable, well-tested code is crucial. Collaboration with frontend developers, DevOps, and QA teams is frequent, requiring strong communication and problem-solving skills.

What is the difference between Senior Python Flask Developer vs Python Developer?

AspectSenior Python Flask DeveloperPython Developer
Required CredentialsBachelor's in CS or related, experience with Flask, REST APIsBachelor's in CS or related, basic Python knowledge
Work EnvironmentWeb development teams, startups, tech companiesSoftware development teams, startups, tech companies
Employer & Industry UsageTech firms, SaaS companies, startupsVariety of industries including finance, healthcare, tech
Search & Comparison IntentAdvanced roles, leadership, project scopeEntry to mid-level development, learning

The main difference between a Senior Python Flask Developer and a Python Developer lies in experience and responsibilities. Senior developers typically have more expertise in Flask, lead projects, and mentor junior staff, whereas Python Developers may focus on coding and basic application development. Both roles are essential in web development teams, but senior roles require deeper knowledge and leadership skills.

What are the key skills and qualifications needed to thrive as a Senior Python Flask Developer, and why are they important?

To thrive as a Senior Python Flask Developer, you need advanced proficiency in Python, deep understanding of the Flask framework, and experience designing scalable backend architectures, typically supported by a degree in computer science or related field. Familiarity with RESTful API development, database management systems like PostgreSQL or MySQL, and version control tools such as Git is essential, and certifications in cloud platforms or web development can be beneficial. Strong problem-solving skills, clear communication, and the ability to mentor junior developers are standout soft skills for this role. These abilities ensure efficient delivery of robust, maintainable web applications and foster productive collaboration within development teams.
What cities near Wellesley, MA are hiring for Senior Python Flask Developer jobs? Cities near Wellesley, MA with the most Senior Python Flask Developer job openings:
Senior Integrations Engineer

Senior Integrations Engineer

Klaviyo

Boston, MA

$60 - $77.50/hr

Other

Posted 6 days ago


Job description

About the Role

At Klaviyo, our mission is to help businesses grow by delivering personalized experiences powered by unique data insights. The ARIA team plays a crucial role in facilitating this mission by ensuring seamless integration of various SaaS systems, databases, and cloud infrastructures, enabling our clients to derive actionable insights and drive their business objectives.

The Senior Integrations Engineer will be at the forefront of this mission, tasked with developing and maintaining complex integrations that support the scalability and efficiency of our platforms. The role involves architecting robust solutions that integrate cloud services, databases, and third-party applications using tools like AWS, GitHub, and Python. You will be pivotal in implementing and optimizing automation tools such as Workato or Mulesoft, ensuring our systems operate with high reliability and minimal manual intervention.

As a Senior Integrations Engineer, you will own the end-to-end integration processes and partner cross-functionally with Product, Engineering, and Customer Success teams. Your collaboration with stakeholders will ensure the delivery of high-quality solutions that enhance customer satisfaction and operational efficiency.

This is a rare and exciting opportunity to shape the technology landscape at Klaviyo. You will work on cutting-edge integrations that have a direct impact on business growth and customer engagement. Join us to be part of a dynamic team that values innovation, collaboration, and technical excellence.

How You'll Make a Difference

  • Lead the design and implementation of integrations across various SaaS platforms, ensuring they are robust, scalable, and well-documented, in alignment with Klaviyo's growth strategy.
  • Develop and maintain cloud infrastructure integrations using AWS to ensure seamless data flow and process automation between Klaviyo and external SaaS systems, enhancing operational efficiency.
  • Utilize advanced features of integration tools such as Workato or Mulesoft to automate repetitive tasks, increasing productivity and allowing our teams to focus on strategic initiatives.
  • Collaborate with Product and Engineering teams to identify integration needs and develop tailored solutions that enhance our product capabilities and customer experiences.
  • Ensure all integrations are secure and compliant with industry standards, protecting customer data and maintaining trust in Klaviyo's platforms.
  • Monitor and troubleshoot integration processes to quickly resolve issues, ensuring high system uptime and reliability, which is critical to customer satisfaction.
  • Build and maintain technical documentation for integrations, providing clear guidelines and insights to internal stakeholders and customers.
  • Drive continuous improvement in integration processes by staying updated on industry trends and refining our approaches to meet evolving business needs.
  • Partner with Customer Success teams to gather feedback on integration performance and incorporate enhancements that align with customer requirements and perceptions.
  • Mentor junior engineers and share expertise on integration best practices, fostering a culture of learning and development within the team.

Who You Are

  • You possess at least 5 years of experience in designing and implementing complex integrations using AWS, GitHub, and Python, demonstrating strong technical proficiency.
  • You have a deep understanding of automation tools such as Workato or Mulesoft, with experience in creating efficient workflows that improve system operations.
  • You are an excellent problem solver with a keen attention to detail, able to troubleshoot integration issues quickly and effectively.
  • You have a collaborative mindset, with proven experience working cross-functionally with diverse teams to achieve shared goals.
  • You are customer-focused and committed to delivering high-quality solutions that exceed expectations and drive business success.
  • You have strong communication skills, able to convey complex technical concepts to non-technical stakeholders in an understandable manner.
  • You are proactive and take ownership of your work, always seeking ways to improve processes and products.
  • You are adaptable and open to learning, eager to stay ahead of industry trends and continuously enhance your skills.

Nice to Haves

  • Experience with automating solutions in tools like Salesforce, bolstering CRM capabilities and integrations.
  • Familiarity with event-driven architectures and experience with event streams, optimizing real-time data processing.
  • Previous experience in a SaaS environment, gaining insights into the unique challenges and opportunities within the industry.
  • Understanding of RESTful APIs and experience in creating and consuming them for seamless application connectivity.
  • Knowledge of database management and data warehousing, enhancing your ability to design comprehensive integration solutions.

Why This Role Matters

The Senior Integrations Engineer role is pivotal to Klaviyo's strategic growth as it addresses the increasing demand for seamless integration of diverse technology platforms. Successfully integrating various SaaS applications and automating key processes will enable Klaviyo to offer unparalleled data-driven insights and efficiencies to our clients, fostering greater customer loyalty and engagement.

By driving innovation in integrations and automation, this role directly impacts our ability to scale and adapt to the fast-evolving market needs. It empowers us to offer robust, agile, and secure solutions that our customers can trust, ultimately contributing to Klaviyo's reputation as a leader in personalized marketing solutions. The right candidate will have the opportunity to be at the forefront of transformative technology initiatives, shaping the future direction of our platform, and adding significant value to both the company and our clientele.

***This role is hybrid in our Boston, MA office. The in-office expectation is three (3) times per week***