Full-Stack Developer

Hej, Truecaller is calling you from Stockholm, Sweden! Ready to pick up?
Our goal is to make communication smarter, safer, and more efficient while building trust globally. We bring you smart services that create a big social impact, helping protect users from fraud, harassment, scam calls, or messages, so they can focus on the conversations that matter.
As one of the top 20 most downloaded apps globally, Truecaller is the world’s #1 caller ID and spam-blocking service for Android and iOS, with more than 400 million active users per month. Founded in 2009, we’ve achieved year-on-year growth, consistently high profitability, and are listed on Nasdaq OMX Stockholm, Large Cap. Our focus on innovation, operational excellence, sustainable growth, and collaboration keeps us at the forefront of the tech industry.
With a diverse team of 400+ people from over 35 nationalities, headquartered in Stockholm and with offices in Bangalore, Mumbai, Gurgaon, and Tel Aviv, we have high ambitions and an exciting future ahead.
About the Role:
As a Full-Stack Developer in the New Initiatives team, you will play a key role in designing, developing, and maintaining our applications that span across mobile, web, and backend services.
The impact you will create:
Lead the design and development of scalable mobile, web, and backend solutions.
Build mobile applications for Android using Kotlin/Java and Flutter.
Develop backend services using Scala to power key features.
Implement user interfaces using any modern JavaScript framework (React, Angular, Vue).
Collaborate with cross-functional teams to define, design, and ship new features.
Mentor junior developers and enforce best coding practices.
Deliver high-quality software by writing clean, efficient, and maintainable code.
Participate in architectural discussions and design solutions that meet business requirements.

What you bring in:
5+ years of professional experience as a Fullstack Engineer.
Strong expertise in Android development using Kotlin/Java and Flutter.
Proficiency in backend development with Scala.
Experience with modern JavaScript frameworks (React, Angular, Vue, etc.).
Experience with databases such as Redis, Postgres, and/or Cassandra.
Familiarity with RESTful APIs and Microservices architecture.
Solid understanding of design patterns, data structures, and algorithms.
Strong debugging, performance optimization, and problem-solving skills.
Excellent communication and collaboration abilities.
Experience in building side projects on their own or experience with smaller startup teams.

It would be great if you also have:
Experience with cloud platforms and gRPC.
Knowledge of Agile methodologies.

Life at Truecaller - Behind the Code: https://www.instagram.com/lifeattruecaller/
Sounds like your dream job?
We will fill the position as soon as we find the right candidate, so please send your application as soon as possible. As part of the recruitment process, we will conduct a background check.
This position is based in Stockholm, Sweden. We only accept applications in English.
What we offer:
A smart, talented, and agile team: An international team where ~35 nationalities are working together in several locations and time zones with a learning, sharing, and fun environment.


A great compensation package: Competitive salary, 30 days of paid vacation, flexible working hours, private health insurance, parental leave top-up, pension contribution, Udemy membership to keep learning and improving, and free gym membership.


Great tech tools: Pick the computer and phone you most fancy within our budget ranges.


Office life: We strongly believe in the in-person collaboration and follow an office-first approach while offering some flexibility. Enjoy your days with great colleagues with loads of good stuff to learn from, a wide range of yummy snacks and beverages. In addition every now and then check out the playroom for a fun break or join our exciting parties and or team activities such as Lab days, Running team, movie nights in our own cinema or a Geek lunch. There something for everyone!



Come as you are:
Truecaller is diverse, equal, and inclusive. We need a variety of backgrounds, perspectives, beliefs, and experiences to keep building our great products. No matter where you are based, which language you speak, your accent, race, religion, color, nationality, gender, sexual orientation, age, marital status, etc. All those things make you who you are, and that’s why we would love to meet you