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Senior Software Engineer - Messaging

Sinch provides innovative mobile messaging solutions that help businesses of all sizes – from SMBs to enterprise-level to better connect with customers. Our messaging solutions for alerts and notifications, billing and payments, appointment reminders, marketing, and staff scheduling are trusted by over 65,000 customers in industries such as healthcare, education, retail, and utilities. With offices across Australia, United States, United Kingdom, and New Zealand, Sinch is the number one choice for easy and engaging business messaging.

 

Sinch, the Customer Communications Cloud, powers meaningful conversations at scale across messaging, voice, and email to help businesses deliver unified, personalized experiences that truly revolve around their customers — no matter the channels they use. Over 150,000 businesses, including 8 of the 10 largest tech companies in the world, rely on us for their customer communication needs, with over 700 billion customer engagements each year.

 

As a member of the Messaging team, you’ll work on maintaining and improving our legacy systems, ensuring they continue to scale and perform efficiently. We are Cloud-deployed across multiple regions and make extensive use of containerised Java applications. Our approach emphasises modular, simple, and clear software with a focus on external open-source libraries and tools to achieve our goals efficiently.

 

You will join a strong, senior-focused team of 8 engineers, reporting to the Engineering Manager. Your role will be crucial in helping shape the team’s success. You’ll contribute to designing and developing solutions, leveraging existing infrastructure, and delivering faster, accurate results. With expertise in software architecture and SDLC, you’ll work across various stacks and languages.

 

Key responsibilities:

  • Develop high performing solutions that scale in production environments
  • Design solution options
  • Review pulls requests and provide constructive feedback
  • Work in scrum teams and contribute to breaking down cards in grooming
  • Develop quality code that has high levels of test coverage
  • Provide mentorship for intermediate and junior team member
  • Good synchronous and asynchronous communication skills
  • Participate in architectural decisions

 

To be successful in this role, you will be a problem-solver with keen attention to detail, strong communication skills, and a proven ability to collaborate effectively in team environments. You are strong in Java but also willing to accept not to program in Java if that is the current need. You learn new domains quickly and are willing to take on and complete assignments in new areas as needed. You are creative and think outside the box but also understand when there is a need to stay within the box when reality so demands. You understand that being an engineer isn't just lines of code written. Solution options, planning, documentation, monitoring, automation and incident management are all part of the role.

 

You will possess the following skills and attributes:

  • Experience with Java
  • Experience with AWS
  • Excellent knowledge of Restful API
  • Good knowledge of CI/CD, BuildKite is an advantage
  • Good knowledge of GIT
  • Good SQL skills
  • Experience with Kong API Gateway is a clear advantage

 

 

We are committed to building an engaged and talented workforce that represents an environment that is inclusive, supports flexibility and welcomes diversity.

Our values of Dream Big, Win together, Keep it simple and Make it happen are the foundation for fostering an environment where diversity of thinking, skills and experiences are embraced, delivering innovation and better business results.

We value our team by offering;

  • WHERE YOU WORK MATTERS: We understand the benefit of a flexible schedule where you can best impact both your personal and work life, so we offer a hybrid working arrangement, work from home set up reimbursement and a global mobility policy.
  • PUT FAMILY FIRST: We know that building a family take priority, therefore we offer a generous parental leave program: 26 weeks salary for primary care giver and 4 weeks salary for secondary care giver
  • CELEBRATE YOURESELF: By providing a day off for your birthday, we want you to take the time to celebrate the year you’ve had with your nearest and dearest.
  • TAKE A BREAK: Enjoy a generous annual leave program. We value balance and understand that performance at work requires time to rest at home and/or rejuvenate on vacation.
  • STAY HEALTHY: Physical wellness supports mental wellness, so we offer a monthly fitness reimbursement allowance and other wellness programs
  • TAKE THE NEXT STEP: Coaching and career development support, including access to a range of online professional development courses
  • CARE FOR YOURSELF: Take advantage of our free virtual counselling resources through our global Employee Assistance Program. Your mental health is as important as your physical health.
  • MAKE AN IMPACT: Support betterment in your community and beyond by taking paid time off to support a volunteer program of your choice.
  • TREAT YOURSELF: Access to Reward+ program that offers a wide range of discounts and deals across retail, entertainment and much more.

 

If you are looking for the next opportunity in your career and want to work for a people focused, growing tech company, then Apply Now.

 

 

 

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What You Should Know About Senior Software Engineer - Messaging, Sinch

Sinch is on the lookout for a Senior Software Engineer - Messaging to join our passionate team! As a leader in mobile messaging solutions, we empower businesses to enhance customer engagement across various channels, such as alerts, notifications, and marketing. Your role will be pivotal in maintaining and improving our legacy messaging systems, supporting over 65,000 clients across diverse industries ranging from healthcare to education. With a focus on modular, high-performing solutions, you'll collaborate with a close-knit team of 8 seasoned engineers and engage in meaningful architectural decisions that shape the product's future. We value innovative thinking and invite you to contribute your expertise in software architecture, SDLC, and communication. You'll thrive in our dynamic, cloud-deployed environment and utilize your Java skills while being flexible in programming languages as necessary. Here, we care about work-life balance, offering a hybrid work model and various competitive benefits. If you’re ready to take your career to the next level with a company that celebrates diversity and innovation, Sinch would love to hear from you!

Frequently Asked Questions (FAQs) for Senior Software Engineer - Messaging Role at Sinch
What are the main responsibilities of a Senior Software Engineer - Messaging at Sinch?

As a Senior Software Engineer - Messaging at Sinch, your key responsibilities include developing high-performing solutions that can scale in production environments, designing and reviewing solution options, and mentoring junior team members. You will also participate in architectural decisions, provide quality code with extensive test coverage, and work collaboratively within scrum teams.

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What skills are essential for the Senior Software Engineer - Messaging position at Sinch?

To excel in the Senior Software Engineer - Messaging role at Sinch, you should possess strong Java skills, experience with AWS, excellent knowledge of RESTful APIs, and proficiency in CI/CD practices. Additionally, familiarity with tools such as BuildKite and Kong API Gateway, as well as good SQL skills, will greatly benefit your candidacy.

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How does Sinch support ongoing learning and development for the Senior Software Engineer - Messaging role?

Sinch is committed to employee growth, providing access to coaching, career development support, and a variety of online professional development courses. This ensures that as a Senior Software Engineer - Messaging, you will have opportunities to expand your skillset and advance your career.

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What type of work environment can a Senior Software Engineer - Messaging expect at Sinch?

Sinch fosters a supportive and inclusive work environment that values flexibility. As a Senior Software Engineer - Messaging, you will enjoy a hybrid work arrangement and a flexible schedule that balances your work and personal life effectively while collaborating with a talented team.

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What benefits does Sinch offer to its employees, particularly for the Senior Software Engineer - Messaging role?

As a member of the Sinch family, you can expect valuable benefits such as generous parental leave, a day off for your birthday, a monthly fitness reimbursement, and a strong commitment to mental health support through our Employee Assistance Program. We also encourage community engagement with paid volunteer leave.

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Common Interview Questions for Senior Software Engineer - Messaging
Can you describe a challenging project you've worked on as a Senior Software Engineer?

When answering this question, focus on a specific project where you encountered significant obstacles. Highlight your problem-solving skills, teamwork, and how you delivered results. Be sure to mention any technologies you used and the impact of your contributions.

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How do you approach designing scalable solutions?

Discuss your design process, emphasizing the importance of modular architecture, code efficiency, and the technologies you utilize to facilitate scalability. Provide an example of a scalable solution you've previously implemented.

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What experience do you have with RESTful APIs?

Highlight your hands-on experience with RESTful APIs, including any specific projects where you've designed or implemented them. Discuss challenges you faced and how you overcame them while ensuring usability and performance.

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How do you ensure your code is of high quality?

Explain your practices around code reviews, testing methodologies, and the importance of maintaining high test coverage. Share past experiences where your focus on quality led to improved team performance or bug reduction.

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What tools and technologies have you used for CI/CD?

Discuss the CI/CD tools you are familiar with, such as Jenkins, GitLab CI, or BuildKite. Highlight a scenario where you implemented a CI/CD pipeline and the benefits that resulted from your approach.

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How do you mentor junior engineers effectively?

Describe your mentorship style, focusing on communication, support, and the importance of hands-on guidance. Share a specific instance where you helped a junior engineer grow their skills or confidence.

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How do you manage multiple projects or tasks?

Talk about your time management strategies, such as prioritization, using project management tools, and effective communication with your team. Provide an example of how you balanced competing priorities successfully.

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What is your experience with working in agile teams?

Share your experiences with agile methodologies, emphasizing how you've contributed in sprint planning, daily stand-ups, and retrospective meetings. Mention how agility has improved projects you've been part of.

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How do you stay updated with the latest technologies?

Discuss your proactive approach, like attending workshops, participating in webinars, or following relevant tech blogs. Mention any specific areas of interest that align with the Senior Software Engineer - Messaging role.

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Why do you want to work for Sinch?

Demonstrate your knowledge of Sinch’s products, culture, and values. Discuss how your skills align with the company's vision and why you're excited about the opportunity to contribute to their messaging solutions.

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DATE POSTED
March 13, 2025

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